Analysis
- max time kernel
141s - max time network
131s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
13/08/2024, 13:52
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
PO#3200122530.exe
Resource
win7-20240704-en
8 signatures
150 seconds
General
- Target PO#3200122530.exe
- Size 905KB
- Sample240813-q6e4ea1hrm
- SHA256 91295d32f1f0cb4dc6c664e8e75f5bfcc10956186fd3c837877cb99542bbb826
- MD5 6dd468332c0d022c12fbcd74d0f6e2ca
- SHA1 197636709cce70a5062f1f28f7edc463a8a16817
- SHA512 a1f60db40571e020dbd3bb23de996f5da8e433bbee7e5c45083b323423b17752b09410c349c7122ed8a89fbbe00ffe2e040e4d88df770af54be3a1fead4abfdf
- SSDEEP 12288:7bdA2iNLJF0/s8aUubtRsGdVG5J0bC3jqi4lSsXa6efWhjdUj4OWGKKZxORp0Vzd:7613EXm5di0Wx4hXa4UjYaOY7Fjfst
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4732 powershell.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation PO#3200122530.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4216 set thread context of 3520 4216 PO#3200122530.exe 105 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process 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 PO#3200122530.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 372 schtasks.exe - Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 4216 PO#3200122530.exe 4216 PO#3200122530.exe 4216 PO#3200122530.exe 4732 powershell.exe 4732 powershell.exe 4732 powershell.exe 3520 PO#3200122530.exe 3520 PO#3200122530.exe 3520 PO#3200122530.exe 3520 PO#3200122530.exe 3520 PO#3200122530.exe 3520 PO#3200122530.exe 3520 PO#3200122530.exe 3520 PO#3200122530.exe 3520 PO#3200122530.exe 3520 PO#3200122530.exe 3520 PO#3200122530.exe 3520 PO#3200122530.exe 3520 PO#3200122530.exe 3520 PO#3200122530.exe 3520 PO#3200122530.exe 3520 PO#3200122530.exe 3520 PO#3200122530.exe 3520 PO#3200122530.exe 3520 PO#3200122530.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4216 PO#3200122530.exe Token: SeDebugPrivilege 4732 powershell.exe - Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 4216 wrote to memory of 4732 4216 PO#3200122530.exe 101 PID 4216 wrote to memory of 4732 4216 PO#3200122530.exe 101 PID 4216 wrote to memory of 4732 4216 PO#3200122530.exe 101 PID 4216 wrote to memory of 372 4216 PO#3200122530.exe 103 PID 4216 wrote to memory of 372 4216 PO#3200122530.exe 103 PID 4216 wrote to memory of 372 4216 PO#3200122530.exe 103 PID 4216 wrote to memory of 3520 4216 PO#3200122530.exe 105 PID 4216 wrote to memory of 3520 4216 PO#3200122530.exe 105 PID 4216 wrote to memory of 3520 4216 PO#3200122530.exe 105 PID 4216 wrote to memory of 3520 4216 PO#3200122530.exe 105 PID 4216 wrote to memory of 3520 4216 PO#3200122530.exe 105 PID 4216 wrote to memory of 3520 4216 PO#3200122530.exe 105 PID 4216 wrote to memory of 3520 4216 PO#3200122530.exe 105 PID 4216 wrote to memory of 3520 4216 PO#3200122530.exe 105 PID 4216 wrote to memory of 3520 4216 PO#3200122530.exe 105 PID 4216 wrote to memory of 3520 4216 PO#3200122530.exe 105
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO#3200122530.exe"C:\Users\Admin\AppData\Local\Temp\PO#3200122530.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4216 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gkLjcfIvEh.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4732
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gkLjcfIvEh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8085.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:372
-
-
C:\Users\Admin\AppData\Local\Temp\PO#3200122530.exe"C:\Users\Admin\AppData\Local\Temp\PO#3200122530.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
PID:3520
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3852,i,2727319350781907497,7925939240893079607,262144 --variations-seed-version --mojo-platform-channel-handle=4240 /prefetch:81⤵PID:3768
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_c5ynbopu.bbl.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmp8085.tmp
- Size 1KB
- SHA256 62b902d90cf4e22b858d014edbf3e3996fc9a4b35819928670cf23de9a4c9fd7
- MD5 e839a8ae79f3853d1f3fb4d9e96dd652
- SHA1 fac5c340850c4695c42ffafbc1aee3b518b82238
- SHA512 0aa1edd03f56f609e257835cd07fb242c429d0a6478ea31760963491cbd40ae8adb8e75524606cfeeaa332c9843e81c1f5588e0ddf68cb86c72e48de3b26ee40
- MD5 SHA1 SHA512