7df8435936e11ac1d26cc8307e1de056dfb28b1df69281d36a66f71f1ebb1f28

Analysis

max time kernel
129s
max time network
151s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/11/2026, 23:50

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
Zulip-Web-Setup-5.13.2.exe
Size 801KB
Sample261102-3vygtsf13l
SHA256 7df8435936e11ac1d26cc8307e1de056dfb28b1df69281d36a66f71f1ebb1f28
MD5 83d0af4632603cd5294695f3eb968dd2
SHA1 070034764666fbe542a3b970f090294d50bc4aac
SHA512 a5fd4f5a0d847c6f6a2710634d80a8ca164cb1515491a6d73799fe9e719609e5d15ff9c9490f930e1e3df8b267d9f88bb2ad2cc41476e7aadc56fa9b7cbeeba8
SSDEEP 12288:3+3P45vLRKRtDPNKT1zH3ptaR1sDfOQSvJqFZ6FD0gPQDewRKMxg:3+3A9MvDu173pG1szLSvJwW01ewMv
TLSH
T1B10502D1EEC2DAC2CD5F543A43375C72CBB66D006454A6933AA633E939BB4806D83937
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery execution spyware stealer

Malware Config

Signatures

Reads ssh keys stored on the system 2 TTPs
Tries to access SSH used by SSH programs.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Command and Scripting Interpreter: PowerShell 1 TTPs 7 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1504	powershell.exe
3220	powershell.exe
2632	powershell.exe
2868	powershell.exe
3156	powershell.exe
456	powershell.exe
3684	powershell.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SystemTemp\scoped_dir5976_182297655\image.ico	Zulip.exe
File created	C:\Windows\SystemTemp\scoped_dir5976_607363374\image.ico	Zulip.exe
File created	C:\Windows\SystemTemp\scoped_dir5976_631191934\image.ico	Zulip.exe
File created	C:\Windows\SystemTemp\scoped_dir5976_1066133380\image.ico	Zulip.exe
File created	C:\Windows\SystemTemp\scoped_dir5976_238440551\image.ico	Zulip.exe

Executes dropped EXE 9 IoCs

pid	Process
5976	Zulip.exe
6048	Zulip.exe
5616	Zulip.exe
4504	Zulip.exe
4668	Zulip.exe
6028	Zulip.exe
3724	Zulip.exe
3348	Zulip-Web-Setup-5.14.2.exe
5008	old-uninstaller.exe

Hide Artifacts: Ignore Process Interrupts 1 TTPs 3 IoCs

Command interpreters often include specific commands/flags that ignore errors and other hangups.

defense_evasion

Ignore Process Interrupts

T1564.011

pid	Process
2104	powershell.exe
1496	powershell.exe
3040	powershell.exe

Loads dropped DLL 32 IoCs

pid	Process
4964	Zulip-Web-Setup-5.13.2.exe
4964	Zulip-Web-Setup-5.13.2.exe
4964	Zulip-Web-Setup-5.13.2.exe
4964	Zulip-Web-Setup-5.13.2.exe
4964	Zulip-Web-Setup-5.13.2.exe
4964	Zulip-Web-Setup-5.13.2.exe
4964	Zulip-Web-Setup-5.13.2.exe
4964	Zulip-Web-Setup-5.13.2.exe
4964	Zulip-Web-Setup-5.13.2.exe
4964	Zulip-Web-Setup-5.13.2.exe
4964	Zulip-Web-Setup-5.13.2.exe
4964	Zulip-Web-Setup-5.13.2.exe
4964	Zulip-Web-Setup-5.13.2.exe
5616	Zulip.exe
6028	Zulip.exe
5616	Zulip.exe
5616	Zulip.exe
5616	Zulip.exe
3348	Zulip-Web-Setup-5.14.2.exe
3348	Zulip-Web-Setup-5.14.2.exe
3348	Zulip-Web-Setup-5.14.2.exe
3348	Zulip-Web-Setup-5.14.2.exe
3348	Zulip-Web-Setup-5.14.2.exe
3348	Zulip-Web-Setup-5.14.2.exe
3348	Zulip-Web-Setup-5.14.2.exe
5008	old-uninstaller.exe
5008	old-uninstaller.exe
5008	old-uninstaller.exe
5008	old-uninstaller.exe
5008	old-uninstaller.exe
5008	old-uninstaller.exe
3348	Zulip-Web-Setup-5.14.2.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
3356	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 6 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	Zulip.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	Zulip.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	Zulip-Web-Setup-5.13.2.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	Zulip-Web-Setup-5.13.2.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	Zulip.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	Zulip.exe

System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	old-uninstaller.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Zulip-Web-Setup-5.13.2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Zulip-Web-Setup-5.14.2.exe

Checks processor information in registry 2 TTPs 24 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString	Zulip.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\4\~MHz	Zulip.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\4\ProcessorNameString	Zulip.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\5\ProcessorNameString	Zulip.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\6	Zulip.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\6\~MHz	Zulip.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\2	Zulip.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\2\~MHz	Zulip.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\2\ProcessorNameString	Zulip.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\3	Zulip.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\3\ProcessorNameString	Zulip.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\7\~MHz	Zulip.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\7\ProcessorNameString	Zulip.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Zulip.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	Zulip.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz	Zulip.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\5	Zulip.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\5\~MHz	Zulip.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\6\ProcessorNameString	Zulip.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\4	Zulip.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	Zulip.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Zulip.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\3\~MHz	Zulip.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\7	Zulip.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

pid	Process
1496	powershell.exe
1496	powershell.exe
1504	powershell.exe
1504	powershell.exe
4964	Zulip-Web-Setup-5.13.2.exe
4964	Zulip-Web-Setup-5.13.2.exe
456	powershell.exe
456	powershell.exe
2868	powershell.exe
2868	powershell.exe
2868	powershell.exe
3040	powershell.exe
3040	powershell.exe
3220	powershell.exe
3220	powershell.exe
3348	Zulip-Web-Setup-5.14.2.exe
3348	Zulip-Web-Setup-5.14.2.exe
3684	powershell.exe
3684	powershell.exe
2104	powershell.exe
2104	powershell.exe
2632	powershell.exe
2632	powershell.exe
5008	old-uninstaller.exe
5008	old-uninstaller.exe
3156	powershell.exe
3156	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1496	powershell.exe
Token: SeDebugPrivilege	1504	powershell.exe
Token: SeDebugPrivilege	456	powershell.exe
Token: SeIncreaseQuotaPrivilege	456	powershell.exe
Token: SeSecurityPrivilege	456	powershell.exe
Token: SeTakeOwnershipPrivilege	456	powershell.exe
Token: SeLoadDriverPrivilege	456	powershell.exe
Token: SeSystemProfilePrivilege	456	powershell.exe
Token: SeSystemtimePrivilege	456	powershell.exe
Token: SeProfSingleProcessPrivilege	456	powershell.exe
Token: SeIncBasePriorityPrivilege	456	powershell.exe
Token: SeCreatePagefilePrivilege	456	powershell.exe
Token: SeBackupPrivilege	456	powershell.exe
Token: SeRestorePrivilege	456	powershell.exe
Token: SeShutdownPrivilege	456	powershell.exe
Token: SeDebugPrivilege	456	powershell.exe
Token: SeSystemEnvironmentPrivilege	456	powershell.exe
Token: SeRemoteShutdownPrivilege	456	powershell.exe
Token: SeUndockPrivilege	456	powershell.exe
Token: SeManageVolumePrivilege	456	powershell.exe
Token: 33	456	powershell.exe
Token: 34	456	powershell.exe
Token: 35	456	powershell.exe
Token: 36	456	powershell.exe
Token: SeSecurityPrivilege	4964	Zulip-Web-Setup-5.13.2.exe
Token: SeShutdownPrivilege	5976	Zulip.exe
Token: SeCreatePagefilePrivilege	5976	Zulip.exe
Token: SeShutdownPrivilege	5976	Zulip.exe
Token: SeCreatePagefilePrivilege	5976	Zulip.exe
Token: SeShutdownPrivilege	5976	Zulip.exe
Token: SeCreatePagefilePrivilege	5976	Zulip.exe
Token: SeDebugPrivilege	2868	powershell.exe
Token: SeShutdownPrivilege	5976	Zulip.exe
Token: SeCreatePagefilePrivilege	5976	Zulip.exe
Token: SeShutdownPrivilege	5976	Zulip.exe
Token: SeCreatePagefilePrivilege	5976	Zulip.exe
Token: SeShutdownPrivilege	5976	Zulip.exe
Token: SeCreatePagefilePrivilege	5976	Zulip.exe
Token: SeShutdownPrivilege	5976	Zulip.exe
Token: SeCreatePagefilePrivilege	5976	Zulip.exe
Token: SeShutdownPrivilege	5976	Zulip.exe
Token: SeCreatePagefilePrivilege	5976	Zulip.exe
Token: SeShutdownPrivilege	5976	Zulip.exe
Token: SeCreatePagefilePrivilege	5976	Zulip.exe
Token: SeShutdownPrivilege	5976	Zulip.exe
Token: SeCreatePagefilePrivilege	5976	Zulip.exe
Token: SeShutdownPrivilege	5976	Zulip.exe
Token: SeCreatePagefilePrivilege	5976	Zulip.exe
Token: SeShutdownPrivilege	5976	Zulip.exe
Token: SeCreatePagefilePrivilege	5976	Zulip.exe
Token: SeShutdownPrivilege	5976	Zulip.exe
Token: SeCreatePagefilePrivilege	5976	Zulip.exe
Token: SeShutdownPrivilege	5976	Zulip.exe
Token: SeCreatePagefilePrivilege	5976	Zulip.exe
Token: SeShutdownPrivilege	5976	Zulip.exe
Token: SeCreatePagefilePrivilege	5976	Zulip.exe
Token: SeShutdownPrivilege	5976	Zulip.exe
Token: SeCreatePagefilePrivilege	5976	Zulip.exe
Token: SeShutdownPrivilege	5976	Zulip.exe
Token: SeCreatePagefilePrivilege	5976	Zulip.exe
Token: SeShutdownPrivilege	5976	Zulip.exe
Token: SeCreatePagefilePrivilege	5976	Zulip.exe
Token: SeShutdownPrivilege	5976	Zulip.exe
Token: SeCreatePagefilePrivilege	5976	Zulip.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
5976	Zulip.exe
5976	Zulip.exe
5976	Zulip.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
5976	Zulip.exe
5976	Zulip.exe
5976	Zulip.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4964 wrote to memory of 1496	4964	Zulip-Web-Setup-5.13.2.exe	89
PID 4964 wrote to memory of 1504	4964	Zulip-Web-Setup-5.13.2.exe	91
PID 4964 wrote to memory of 456	4964	Zulip-Web-Setup-5.13.2.exe	93
PID 5976 wrote to memory of 6048	5976	Zulip.exe	99
PID 5976 wrote to memory of 5616	5976	Zulip.exe	100
PID 5976 wrote to memory of 4504	5976	Zulip.exe	101
PID 5976 wrote to memory of 4668	5976	Zulip.exe	102
PID 5976 wrote to memory of 6028	5976	Zulip.exe	103
PID 5976 wrote to memory of 3724	5976	Zulip.exe	104
PID 5976 wrote to memory of 3356	5976	Zulip.exe	105
PID 3356 wrote to memory of 4124	3356	cmd.exe	107
PID 3356 wrote to memory of 2868	3356	cmd.exe	108
PID 5976 wrote to memory of 3348	5976	Zulip.exe	109
PID 3348 wrote to memory of 3040	3348	Zulip-Web-Setup-5.14.2.exe	110
PID 3348 wrote to memory of 3220	3348	Zulip-Web-Setup-5.14.2.exe	112
PID 3348 wrote to memory of 3684	3348	Zulip-Web-Setup-5.14.2.exe	114
PID 3348 wrote to memory of 5008	3348	Zulip-Web-Setup-5.14.2.exe	116
PID 5008 wrote to memory of 2104	5008	old-uninstaller.exe	117
PID 5008 wrote to memory of 2632	5008	old-uninstaller.exe	119
PID 5008 wrote to memory of 3156	5008	old-uninstaller.exe	121

C:\Users\Admin\AppData\Local\Temp\Zulip-Web-Setup-5.13.2.exe
"C:\Users\Admin\AppData\Local\Temp\Zulip-Web-Setup-5.13.2.exe"
1⤵
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4964
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -NonInteractive -C "if (Get-Command Get-CimInstance -ErrorAction SilentlyContinue) { exit 0 } else { exit 1 }"
  2⤵
  - Hide Artifacts: Ignore Process Interrupts
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1496
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -NonInteractive -C "if ((Get-ExecutionPolicy -Scope Process) -eq 'Restricted') { exit 1 } else { exit 0 }"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1504
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -NonInteractive -C "if ((Get-CimInstance -ClassName Win32_Process | ? {$_.Path -and $_.Path.StartsWith('C:\Users\Admin\AppData\Local\Programs\Zulip', 'CurrentCultureIgnoreCase')}).Count -gt 0) { exit 0 } else { exit 1 }"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:456

C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe
"C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe"
1⤵
- Drops file in Windows directory
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:5976
- C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe
  C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Roaming\Zulip /prefetch:4 --no-rate-limit --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Roaming\Zulip\Crashpad --url=https://f.a.k/e --annotation=_productName=Zulip --annotation=_version=5.13.2 --annotation=plat=Win64 --annotation=prod=Electron --annotation=ver=44.4.1 --initial-client-data=0x584,0x588,0x58c,0x580,0x590,0x7ff6105ed758,0x7ff6105ed768,0x7ff6105ed778
  2⤵
  - Executes dropped EXE
  PID:6048
- C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe
  "C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\Zulip" --gpu-preferences=WAAAAAAAAADgAAAEAAAAAAAAAAAAAGAAQAAAAAAAAAADAAAAAAAAADgAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAKAAAAAAAAAAoAAAAAAAAAAgAAAAAAAAAEAAAAAIAAAABAAAAAAAAAAgAAAAAAAAACAAAAAAAAAA= --field-trial-handle=1948,i,6618142391698621253,1154780738738055569,262144 --enable-features=DocumentPolicyIncludeJSCallStacksInCrashReports,PdfUseShowSaveFilePicker --disable-features=DropInputEventsWhilePaintHolding,LocalNetworkAccessChecks,NetworkServiceSandbox,ScreenAIOCREnabled,SpareRendererForSitePerProcess,TraceSiteInstanceGetProcessCreation --variations-seed-version --pseudonymization-salt-handle=1952,i,16634388983664281419,4175191647874399711,4 --trace-process-track-uuid=3190708988185955192 --mojo-platform-channel-handle=1944 /prefetch:2
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:5616
- C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe
  "C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\Zulip" --secure-schemes=sentry-ipc --bypasscsp-schemes=sentry-ipc --cors-schemes=sentry-ipc --fetch-schemes=sentry-ipc --field-trial-handle=1948,i,6618142391698621253,1154780738738055569,262144 --enable-features=DocumentPolicyIncludeJSCallStacksInCrashReports,PdfUseShowSaveFilePicker --disable-features=DropInputEventsWhilePaintHolding,LocalNetworkAccessChecks,NetworkServiceSandbox,ScreenAIOCREnabled,SpareRendererForSitePerProcess,TraceSiteInstanceGetProcessCreation --variations-seed-version --pseudonymization-salt-handle=1952,i,16634388983664281419,4175191647874399711,4 --trace-process-track-uuid=3190708989122997041 --mojo-platform-channel-handle=2168 /prefetch:11
  2⤵
  - Executes dropped EXE
  - Reads the TCP/IP host and domain name from the registry
  PID:4504
- C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe
  "C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\Zulip" --secure-schemes=sentry-ipc --bypasscsp-schemes=sentry-ipc --cors-schemes=sentry-ipc --fetch-schemes=sentry-ipc --app-path="C:\Users\Admin\AppData\Local\Programs\Zulip\resources\app.asar" --enable-sandbox --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=4 --launch-time-ticks=657134620 --field-trial-handle=1948,i,6618142391698621253,1154780738738055569,262144 --enable-features=DocumentPolicyIncludeJSCallStacksInCrashReports,PdfUseShowSaveFilePicker --disable-features=DropInputEventsWhilePaintHolding,LocalNetworkAccessChecks,NetworkServiceSandbox,ScreenAIOCREnabled,SpareRendererForSitePerProcess,TraceSiteInstanceGetProcessCreation --variations-seed-version --pseudonymization-salt-handle=1952,i,16634388983664281419,4175191647874399711,4 --trace-process-track-uuid=3190708990060038890 --mojo-platform-channel-handle=2568 /prefetch:1
  2⤵
  - Executes dropped EXE
  PID:4668
- C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe
  "C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\Zulip" --secure-schemes=sentry-ipc --bypasscsp-schemes=sentry-ipc --cors-schemes=sentry-ipc --fetch-schemes=sentry-ipc --app-user-model-id=org.zulip.zulip-electron --app-path="C:\Users\Admin\AppData\Local\Programs\Zulip\resources\app.asar" --no-sandbox --no-zygote --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --launch-time-ticks=657189541 --field-trial-handle=1948,i,6618142391698621253,1154780738738055569,262144 --enable-features=DocumentPolicyIncludeJSCallStacksInCrashReports,PdfUseShowSaveFilePicker --disable-features=DropInputEventsWhilePaintHolding,LocalNetworkAccessChecks,NetworkServiceSandbox,ScreenAIOCREnabled,SpareRendererForSitePerProcess,TraceSiteInstanceGetProcessCreation --variations-seed-version --pseudonymization-salt-handle=1952,i,16634388983664281419,4175191647874399711,4 --trace-process-track-uuid=3190708990997080739 --mojo-platform-channel-handle=2932 /prefetch:1
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:6028
- C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe
  "C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --user-data-dir="C:\Users\Admin\AppData\Roaming\Zulip" --secure-schemes=sentry-ipc --bypasscsp-schemes=sentry-ipc --cors-schemes=sentry-ipc --fetch-schemes=sentry-ipc --field-trial-handle=1948,i,6618142391698621253,1154780738738055569,262144 --enable-features=DocumentPolicyIncludeJSCallStacksInCrashReports,PdfUseShowSaveFilePicker --disable-features=DropInputEventsWhilePaintHolding,LocalNetworkAccessChecks,NetworkServiceSandbox,ScreenAIOCREnabled,SpareRendererForSitePerProcess,TraceSiteInstanceGetProcessCreation --variations-seed-version --pseudonymization-salt-handle=1952,i,16634388983664281419,4175191647874399711,4 --trace-process-track-uuid=3190708991934122588 --mojo-platform-channel-handle=3528 /prefetch:12
  2⤵
  - Executes dropped EXE
  PID:3724
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "set "PSModulePath=" & chcp 65001 >NUL & powershell.exe -NoProfile -NonInteractive -InputFormat None -Command "Get-AuthenticodeSignature -LiteralPath 'C:\Users\Admin\AppData\Local\zulip-updater\pending\temp-Zulip-Web-Setup-5.14.2.exe' | ConvertTo-Json -Compress""
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:3356
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:4124
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -NoProfile -NonInteractive -InputFormat None -Command "Get-AuthenticodeSignature -LiteralPath 'C:\Users\Admin\AppData\Local\zulip-updater\pending\temp-Zulip-Web-Setup-5.14.2.exe' | ConvertTo-Json -Compress"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2868
- C:\Users\Admin\AppData\Local\zulip-updater\pending\Zulip-Web-Setup-5.14.2.exe
  C:\Users\Admin\AppData\Local\zulip-updater\pending\Zulip-Web-Setup-5.14.2.exe --updated --force-run --package-file=C:\Users\Admin\AppData\Local\zulip-updater\pending\package-5.14.2.7z
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3348
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -NonInteractive -C "if (Get-Command Get-CimInstance -ErrorAction SilentlyContinue) { exit 0 } else { exit 1 }"
    3⤵
    - Hide Artifacts: Ignore Process Interrupts
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:3040
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -NonInteractive -C "if ((Get-ExecutionPolicy -Scope Process) -eq 'Restricted') { exit 1 } else { exit 0 }"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:3220
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -NonInteractive -C "if ((Get-CimInstance -ClassName Win32_Process | ? {$_.Path -and $_.Path.StartsWith('C:\Users\Admin\AppData\Local\Programs\Zulip', 'CurrentCultureIgnoreCase')}).Count -gt 0) { exit 0 } else { exit 1 }"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:3684
- - C:\Users\Admin\AppData\Local\Temp\nsmD217.tmp\old-uninstaller.exe
    "C:\Users\Admin\AppData\Local\Temp\nsmD217.tmp\old-uninstaller.exe" /S /KEEP_APP_DATA /currentuser --keep-shortcuts --updated _?=C:\Users\Admin\AppData\Local\Programs\Zulip
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:5008
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -NonInteractive -C "if (Get-Command Get-CimInstance -ErrorAction SilentlyContinue) { exit 0 } else { exit 1 }"
      4⤵
      Hide Artifacts: Ignore Process Interrupts
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2104
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -NonInteractive -C "if ((Get-ExecutionPolicy -Scope Process) -eq 'Restricted') { exit 1 } else { exit 0 }"
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2632
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -NonInteractive -C "if ((Get-CimInstance -ClassName Win32_Process | ? {$_.Path -and $_.Path.StartsWith('C:\Users\Admin\AppData\Local\Programs\Zulip', 'CurrentCultureIgnoreCase')}).Count -gt 0) { exit 0 } else { exit 1 }"
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:3156

C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe
"C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe" --updated
1⤵
PID:4952
- C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe
  C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Roaming\Zulip /prefetch:4 --no-rate-limit --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Roaming\Zulip\Crashpad --url=https://f.a.k/e --annotation=_productName=Zulip --annotation=_version=5.14.2 --annotation=plat=Win64 --annotation=prod=Electron --annotation=ver=45.1.0 --initial-client-data=0x598,0x5a4,0x5a8,0x574,0x5ac,0x7ff65aaedc98,0x7ff65aaedca8,0x7ff65aaedcb8
  2⤵
  PID:2752
- C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe
  "C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe" --type=gpu-process --gpu-recent-crash-count=0 --user-data-dir="C:\Users\Admin\AppData\Roaming\Zulip" --gpu-preferences=WAAAAAAAAADgAAAEAAAAAAAAAAAAAGAAQAAAAAAAAAADAAAAAAAAADgAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAKAAAAAAAAAAoAAAAAAAAAAgAAAAAAAAAEAAAAAIAAAABAAAAAAAAAAgAAAAAAAAACAAAAAAAAAA= --field-trial-handle=2132,i,8793041774093098104,15503119656651696409,262144 --enable-features=AllowWindowCaptureExclusionInRemoteSessions,DocumentPolicyIncludeJSCallStacksInCrashReports,PdfUseShowSaveFilePicker --disable-features=DropInputEventsWhilePaintHolding,LocalNetworkAccessChecks,NetworkServiceSandbox,ScreenAIOCREnabled,SpareRendererForSitePerProcess,TraceSiteInstanceGetProcessCreation --variations-seed-version --pseudonymization-salt-handle=2136,i,6811150649173801955,5680953476067445661,4 --trace-process-track-uuid=3190708988185955192 --mojo-platform-channel-handle=2128 /prefetch:2
  2⤵
  PID:5576
- C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe
  "C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\Zulip" --secure-schemes=sentry-ipc --bypasscsp-schemes=sentry-ipc --cors-schemes=sentry-ipc --fetch-schemes=sentry-ipc --field-trial-handle=2132,i,8793041774093098104,15503119656651696409,262144 --enable-features=AllowWindowCaptureExclusionInRemoteSessions,DocumentPolicyIncludeJSCallStacksInCrashReports,PdfUseShowSaveFilePicker --disable-features=DropInputEventsWhilePaintHolding,LocalNetworkAccessChecks,NetworkServiceSandbox,ScreenAIOCREnabled,SpareRendererForSitePerProcess,TraceSiteInstanceGetProcessCreation --variations-seed-version --pseudonymization-salt-handle=2136,i,6811150649173801955,5680953476067445661,4 --trace-process-track-uuid=3190708989122997041 --mojo-platform-channel-handle=2232 /prefetch:11
  2⤵
  PID:1072
- C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe
  "C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\Zulip" --secure-schemes=sentry-ipc --bypasscsp-schemes=sentry-ipc --cors-schemes=sentry-ipc --fetch-schemes=sentry-ipc --app-path="C:\Users\Admin\AppData\Local\Programs\Zulip\resources\app.asar" --enable-sandbox --allow-file-access-from-files --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=4 --field-trial-handle=2132,i,8793041774093098104,15503119656651696409,262144 --enable-features=AllowWindowCaptureExclusionInRemoteSessions,DocumentPolicyIncludeJSCallStacksInCrashReports,PdfUseShowSaveFilePicker --disable-features=DropInputEventsWhilePaintHolding,LocalNetworkAccessChecks,NetworkServiceSandbox,ScreenAIOCREnabled,SpareRendererForSitePerProcess,TraceSiteInstanceGetProcessCreation --variations-seed-version --pseudonymization-salt-handle=2136,i,6811150649173801955,5680953476067445661,4 --trace-process-track-uuid=3190708990060038890 --mojo-platform-channel-handle=3124 /prefetch:1
  2⤵
  PID:4804
- C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe
  "C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\Zulip" --secure-schemes=sentry-ipc --bypasscsp-schemes=sentry-ipc --cors-schemes=sentry-ipc --fetch-schemes=sentry-ipc --app-user-model-id=org.zulip.zulip-electron --app-path="C:\Users\Admin\AppData\Local\Programs\Zulip\resources\app.asar" --no-sandbox --no-zygote --allow-file-access-from-files --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=2132,i,8793041774093098104,15503119656651696409,262144 --enable-features=AllowWindowCaptureExclusionInRemoteSessions,DocumentPolicyIncludeJSCallStacksInCrashReports,PdfUseShowSaveFilePicker --disable-features=DropInputEventsWhilePaintHolding,LocalNetworkAccessChecks,NetworkServiceSandbox,ScreenAIOCREnabled,SpareRendererForSitePerProcess,TraceSiteInstanceGetProcessCreation --variations-seed-version --pseudonymization-salt-handle=2136,i,6811150649173801955,5680953476067445661,4 --trace-process-track-uuid=3190708990997080739 --mojo-platform-channel-handle=3408 /prefetch:1
  2⤵
  PID:5532
- C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe
  "C:\Users\Admin\AppData\Local\Programs\Zulip\Zulip.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --user-data-dir="C:\Users\Admin\AppData\Roaming\Zulip" --secure-schemes=sentry-ipc --bypasscsp-schemes=sentry-ipc --cors-schemes=sentry-ipc --fetch-schemes=sentry-ipc --field-trial-handle=2132,i,8793041774093098104,15503119656651696409,262144 --enable-features=AllowWindowCaptureExclusionInRemoteSessions,DocumentPolicyIncludeJSCallStacksInCrashReports,PdfUseShowSaveFilePicker --disable-features=DropInputEventsWhilePaintHolding,LocalNetworkAccessChecks,NetworkServiceSandbox,ScreenAIOCREnabled,SpareRendererForSitePerProcess,TraceSiteInstanceGetProcessCreation --variations-seed-version --pseudonymization-salt-handle=2136,i,6811150649173801955,5680953476067445661,4 --trace-process-track-uuid=3190708991934122588 --mojo-platform-channel-handle=2828 /prefetch:12
  2⤵
  PID:1044

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Ignore Process Interrupts

T1564.011

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact