quasar | 5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6

Analysis

max time kernel
138s
max time network
151s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 09:53

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General

Target

5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe
Size

3.7MB
MD5

cd765738ca380479232b3742bec4681a
SHA1

72183452d01eabefa4a1dc4e4702df04aca6da4e
SHA256

5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6
SHA512

047266f5d2f30661857c501c705a18128082551498351eee28600bfb051e276535e00abfa0dd30acbcdb01e9238958f06ca934abb094ee03666cae51475ed6f5
SSDEEP

49152:sBe/wR+kPCndafDZ7MTpxKQ4vWcucxZIp6/Y6HhxVetUw5WxGea2rkoVAAVsK5Iw:/namVxrcxys/XhxsuwEUeFzyRM

Score

10^/10

quasar code discovery execution spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

CODE

twart.myfirewall.org:9792

rency.ydns.eu:5287

wqo9.firewall-gateway.de:8841

Mutex

02351e291-5d041-4fa37-932c7-869aeiQec514992

Attributes

encryption_key
3145298725BA5E0DD56E87FFE3F8898EA81E6EDA
install_name
workbook.exe
log_directory
Logs
reconnect_delay
6000
startup_key
workbook
subdirectory
SubDir

Signatures

Quasar RAT
Quasar is an open source Remote Access Tool.
trojan spyware quasar
Quasar family
quasar

Quasar payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1488-25-0x0000000000400000-0x0000000000724000-memory.dmp	family_quasar
behavioral1/memory/1488-30-0x0000000000400000-0x0000000000724000-memory.dmp	family_quasar
behavioral1/memory/1488-29-0x0000000000400000-0x0000000000724000-memory.dmp	family_quasar
behavioral1/memory/1488-28-0x0000000000400000-0x0000000000724000-memory.dmp	family_quasar
behavioral1/memory/1488-23-0x0000000000400000-0x0000000000724000-memory.dmp	family_quasar
behavioral1/memory/1544-100-0x0000000000400000-0x0000000000724000-memory.dmp	family_quasar
behavioral1/memory/1544-102-0x0000000000400000-0x0000000000724000-memory.dmp	family_quasar

Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

Processes:

powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exe

pid	Process
2752	powershell.exe
3036	powershell.exe
1920	powershell.exe
1644	powershell.exe
1060	powershell.exe
2456	powershell.exe

Executes dropped EXE 4 IoCs

Processes:

workbook.exeworkbook.exeworkbook.exeworkbook.exe

pid	Process
2288	workbook.exe
2356	workbook.exe
1672	workbook.exe
1544	workbook.exe

Loads dropped DLL 1 IoCs

Processes:

5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe

pid	Process
1488	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exeworkbook.exeworkbook.exe

description	pid	Process	procid_target
PID 2704 set thread context of 1488	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	37
PID 2288 set thread context of 2356	2288	workbook.exe	47
PID 1672 set thread context of 1544	1672	workbook.exe	61

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 21 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

Processes:

5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exepowershell.exepowershell.execmd.exechcp.comschtasks.exe5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exepowershell.exeschtasks.exePING.EXEpowershell.exepowershell.exeworkbook.exeschtasks.exeworkbook.exeschtasks.exeschtasks.exeworkbook.exeschtasks.exepowershell.exeworkbook.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.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	workbook.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	workbook.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	workbook.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	workbook.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

Processes:

PING.EXE

pid	Process
1744	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
1744	PING.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 6 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exe

pid	Process
1880	schtasks.exe
2624	schtasks.exe
808	schtasks.exe
2216	schtasks.exe
1376	schtasks.exe
1936	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exepowershell.exe5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exepowershell.exepowershell.exepowershell.exepowershell.exe

pid	Process
3036	powershell.exe
2752	powershell.exe
2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe
2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe
1644	powershell.exe
1920	powershell.exe
1060	powershell.exe
2456	powershell.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

powershell.exepowershell.exe5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exepowershell.exepowershell.exeworkbook.exepowershell.exepowershell.exeworkbook.exe

description	pid	Process
Token: SeDebugPrivilege	3036	powershell.exe
Token: SeDebugPrivilege	2752	powershell.exe
Token: SeDebugPrivilege	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe
Token: SeDebugPrivilege	1488	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe
Token: SeDebugPrivilege	1644	powershell.exe
Token: SeDebugPrivilege	1920	powershell.exe
Token: SeDebugPrivilege	2356	workbook.exe
Token: SeDebugPrivilege	1060	powershell.exe
Token: SeDebugPrivilege	2456	powershell.exe
Token: SeDebugPrivilege	1544	workbook.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

workbook.exeworkbook.exe

pid	Process
2356	workbook.exe
1544	workbook.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exeworkbook.exeworkbook.execmd.exe

description	pid	Process	procid_target
PID 2704 wrote to memory of 2752	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	30
PID 2704 wrote to memory of 2752	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	30
PID 2704 wrote to memory of 2752	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	30
PID 2704 wrote to memory of 2752	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	30
PID 2704 wrote to memory of 3036	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	32
PID 2704 wrote to memory of 3036	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	32
PID 2704 wrote to memory of 3036	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	32
PID 2704 wrote to memory of 3036	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	32
PID 2704 wrote to memory of 808	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	34
PID 2704 wrote to memory of 808	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	34
PID 2704 wrote to memory of 808	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	34
PID 2704 wrote to memory of 808	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	34
PID 2704 wrote to memory of 1496	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	36
PID 2704 wrote to memory of 1496	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	36
PID 2704 wrote to memory of 1496	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	36
PID 2704 wrote to memory of 1496	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	36
PID 2704 wrote to memory of 1488	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	37
PID 2704 wrote to memory of 1488	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	37
PID 2704 wrote to memory of 1488	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	37
PID 2704 wrote to memory of 1488	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	37
PID 2704 wrote to memory of 1488	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	37
PID 2704 wrote to memory of 1488	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	37
PID 2704 wrote to memory of 1488	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	37
PID 2704 wrote to memory of 1488	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	37
PID 2704 wrote to memory of 1488	2704	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	37
PID 1488 wrote to memory of 2216	1488	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	38
PID 1488 wrote to memory of 2216	1488	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	38
PID 1488 wrote to memory of 2216	1488	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	38
PID 1488 wrote to memory of 2216	1488	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	38
PID 1488 wrote to memory of 2288	1488	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	40
PID 1488 wrote to memory of 2288	1488	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	40
PID 1488 wrote to memory of 2288	1488	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	40
PID 1488 wrote to memory of 2288	1488	5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe	40
PID 2288 wrote to memory of 1920	2288	workbook.exe	41
PID 2288 wrote to memory of 1920	2288	workbook.exe	41
PID 2288 wrote to memory of 1920	2288	workbook.exe	41
PID 2288 wrote to memory of 1920	2288	workbook.exe	41
PID 2288 wrote to memory of 1644	2288	workbook.exe	42
PID 2288 wrote to memory of 1644	2288	workbook.exe	42
PID 2288 wrote to memory of 1644	2288	workbook.exe	42
PID 2288 wrote to memory of 1644	2288	workbook.exe	42
PID 2288 wrote to memory of 1376	2288	workbook.exe	44
PID 2288 wrote to memory of 1376	2288	workbook.exe	44
PID 2288 wrote to memory of 1376	2288	workbook.exe	44
PID 2288 wrote to memory of 1376	2288	workbook.exe	44
PID 2288 wrote to memory of 2356	2288	workbook.exe	47
PID 2288 wrote to memory of 2356	2288	workbook.exe	47
PID 2288 wrote to memory of 2356	2288	workbook.exe	47
PID 2288 wrote to memory of 2356	2288	workbook.exe	47
PID 2288 wrote to memory of 2356	2288	workbook.exe	47
PID 2288 wrote to memory of 2356	2288	workbook.exe	47
PID 2288 wrote to memory of 2356	2288	workbook.exe	47
PID 2288 wrote to memory of 2356	2288	workbook.exe	47
PID 2288 wrote to memory of 2356	2288	workbook.exe	47
PID 2356 wrote to memory of 1936	2356	workbook.exe	48
PID 2356 wrote to memory of 1936	2356	workbook.exe	48
PID 2356 wrote to memory of 1936	2356	workbook.exe	48
PID 2356 wrote to memory of 1936	2356	workbook.exe	48
PID 2356 wrote to memory of 1960	2356	workbook.exe	50
PID 2356 wrote to memory of 1960	2356	workbook.exe	50
PID 2356 wrote to memory of 1960	2356	workbook.exe	50
PID 2356 wrote to memory of 1960	2356	workbook.exe	50
PID 1960 wrote to memory of 1492	1960	cmd.exe	52
PID 1960 wrote to memory of 1492	1960	cmd.exe	52

C:\Users\Admin\AppData\Local\Temp\5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe
"C:\Users\Admin\AppData\Local\Temp\5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2704
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2752
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IoOrGePEOIrHFn.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3036
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IoOrGePEOIrHFn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6835.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:808
- C:\Users\Admin\AppData\Local\Temp\5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe
  "C:\Users\Admin\AppData\Local\Temp\5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe"
  2⤵
  PID:1496
- C:\Users\Admin\AppData\Local\Temp\5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe
  "C:\Users\Admin\AppData\Local\Temp\5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1488
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks" /create /tn "workbook" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\workbook.exe" /rl HIGHEST /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2216
- - C:\Users\Admin\AppData\Roaming\SubDir\workbook.exe
    "C:\Users\Admin\AppData\Roaming\SubDir\workbook.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2288
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SubDir\workbook.exe"
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1920
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IoOrGePEOIrHFn.exe"
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1644
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IoOrGePEOIrHFn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAF52.tmp"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:1376
  - - C:\Users\Admin\AppData\Roaming\SubDir\workbook.exe
      "C:\Users\Admin\AppData\Roaming\SubDir\workbook.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2356
    - - C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks" /create /tn "workbook" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\workbook.exe" /rl HIGHEST /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1936
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\nF0xQnnO5FBF.bat" "
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1960
      - C:\Windows\SysWOW64\chcp.com
        
        chcp 65001
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:1492
      - C:\Windows\SysWOW64\PING.EXE
        
        ping -n 10 localhost
        6⤵
        System Location Discovery: System Language Discovery
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:1744
      - C:\Users\Admin\AppData\Roaming\SubDir\workbook.exe
        
        "C:\Users\Admin\AppData\Roaming\SubDir\workbook.exe"
        6⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        
        PID:1672
        
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SubDir\workbook.exe"
        7⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1060
        
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IoOrGePEOIrHFn.exe"
        7⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2456
        
        C:\Windows\SysWOW64\schtasks.exe
        
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IoOrGePEOIrHFn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4866.tmp"
        7⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:1880
        
        C:\Users\Admin\AppData\Roaming\SubDir\workbook.exe
        
        "C:\Users\Admin\AppData\Roaming\SubDir\workbook.exe"
        7⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:1544
        
        C:\Windows\SysWOW64\schtasks.exe
        
        "schtasks" /create /tn "workbook" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\workbook.exe" /rl HIGHEST /f
        8⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nF0xQnnO5FBF.bat

Filesize
209B

MD5
1794f3a87c5be00a0e21abd8b80ef7ef

SHA1
95805731f1b7569c0e1dfa26cc96f5ccdecd46e8

SHA256
0abb6c5e3d8da2789d62515cc5b04c651bd70b559c37854590e739225a410cb1

SHA512
b6f36f17cfd369dc34cb96a5aa825a3535a6e936b934d39df2489dcf151946958ffa87ed2c6bc17db593b7101a3f81eb9eac98120bc0e5256d42b0f78a4cef16

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6835.tmp

Filesize
1KB

MD5
c6fcc2e2ba885d870522476e1c7678ba

SHA1
6d4ff64d7464b888de0d1696a12d1cf75b64f6a1

SHA256
1ba74b4b4a6c316e6ae0b3dc18314dd9b6221a9e19ff3ca294d6c6a716a7d81c

SHA512
30b57e79eb6e82df231ce1a60ed9822f0c497a669a4bd820303d1aa481c042d60ea0d56b9854222263fba9a6c4ce95591f371bb1195dba6fdf0f38a6c44dc28f

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
f14a7dc85ab462aa11095ef24519c667

SHA1
5ffb7f805a4eee93b0a7326b52eec483294c1a8a

SHA256
43a477c4a666fb39c8b26e9090ac2319a460b08d29eeeaa68cf64e4de7371f37

SHA512
1e96e01ee952c0ccf16aa290123def0c026ec7d776540d7fc23111d01e139e6fa56cf3dbb61c30821a1cb2b0e9e79cc3703050369976b28fe3ef8a4dffce020a

Download Submit
C:\Users\Admin\AppData\Roaming\SubDir\workbook.exe

Filesize
3.7MB

MD5
cd765738ca380479232b3742bec4681a

SHA1
72183452d01eabefa4a1dc4e4702df04aca6da4e

SHA256
5182c93d80ab847541599124d388613c23bfb193b7879f5395b421bba5c568f6

SHA512
047266f5d2f30661857c501c705a18128082551498351eee28600bfb051e276535e00abfa0dd30acbcdb01e9238958f06ca934abb094ee03666cae51475ed6f5

Download Submit
\??\PIPE\srvsvc

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/1488-29-0x0000000000400000-0x0000000000724000-memory.dmp

Filesize
3.1MB

Download
memory/1488-23-0x0000000000400000-0x0000000000724000-memory.dmp

Filesize
3.1MB

Download
memory/1488-21-0x0000000000400000-0x0000000000724000-memory.dmp

Filesize
3.1MB

Download
memory/1488-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1488-19-0x0000000000400000-0x0000000000724000-memory.dmp

Filesize
3.1MB

Download
memory/1488-25-0x0000000000400000-0x0000000000724000-memory.dmp

Filesize
3.1MB

Download
memory/1488-30-0x0000000000400000-0x0000000000724000-memory.dmp

Filesize
3.1MB

Download
memory/1488-28-0x0000000000400000-0x0000000000724000-memory.dmp

Filesize
3.1MB

Download
memory/1544-102-0x0000000000400000-0x0000000000724000-memory.dmp

Filesize
3.1MB

Download
memory/1544-100-0x0000000000400000-0x0000000000724000-memory.dmp

Filesize
3.1MB

Download
memory/1672-76-0x00000000012D0000-0x000000000167C000-memory.dmp

Filesize
3.7MB

Download
memory/2288-39-0x00000000012D0000-0x000000000167C000-memory.dmp

Filesize
3.7MB

Download
memory/2356-61-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2704-6-0x0000000007CE0000-0x0000000008048000-memory.dmp

Filesize
3.4MB

Download
memory/2704-3-0x0000000000590000-0x00000000005A8000-memory.dmp

Filesize
96KB

Download
memory/2704-2-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2704-5-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2704-1-0x0000000000E10000-0x00000000011BC000-memory.dmp

Filesize
3.7MB

Download
memory/2704-31-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2704-4-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

Filesize
4KB

Download
memory/2704-0-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

Filesize
4KB

Download