Analysis
- max time kernel
133s - max time network
122s - platform
windows7_x64 - resource
win7-20240215-en - resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system - submitted
01/05/2024, 01:49
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
45cc8cde27d45cadec7dfec83f44215b807531439a0b2530f965fa5d4acda1b6.exe
Resource
win7-20240221-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
45cc8cde27d45cadec7dfec83f44215b807531439a0b2530f965fa5d4acda1b6.exe
Resource
win10v2004-20240419-en
10 signatures
150 seconds
Behavioral task
behavioral3
Sample
Filmrullerne/Tendance/Unredacted.ps1
Resource
win7-20240215-en
9 signatures
150 seconds
Behavioral task
behavioral4
Sample
Filmrullerne/Tendance/Unredacted.ps1
Resource
win10v2004-20240419-en
12 signatures
150 seconds
General
- Target Filmrullerne/Tendance/Unredacted.ps1
- Size 56KB
- Sample240501-b8vjjsdc2w
- SHA256 28c901a827e59109f467be705332d753c0fabb390ced9c2a69c48110c69d18a5
- MD5 b1d727d282df9997c8bbd3d296352191
- SHA1 143e2878ec786de7b8ac80958ac8509c9c26746e
- SHA512 0d9e30f588ac8c7f3b02a8e2a32ef8159255f89baf88bc05d4db89c3986492d0ba00e07e3da09a5bb64e58971c40260bb3c09712dfcb03e1c69a9554ecf4a80c
- SSDEEP 1536:TrVbCEwTZDc1LBlJ5PYy6CZk9F9RDdRslZLhjqHjVRR:kEwTtULBrB5k7vjYLh0VRR
- MD5 SHA1 SHA512 SSDEEP
Score
8/10
Malware Config
Signatures
- Modifies Installed Components in the registry 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe - Modifies registry class 5 IoCs
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2484 powershell.exe 2484 powershell.exe 2484 powershell.exe 2484 powershell.exe 2484 powershell.exe 2484 powershell.exe 2484 powershell.exe 2484 powershell.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2712 explorer.exe - Suspicious use of AdjustPrivilegeToken 13 IoCs
description pid Process Token: SeDebugPrivilege 2484 powershell.exe Token: SeShutdownPrivilege 2712 explorer.exe Token: SeShutdownPrivilege 2712 explorer.exe Token: SeShutdownPrivilege 2712 explorer.exe Token: SeShutdownPrivilege 2712 explorer.exe Token: SeShutdownPrivilege 2712 explorer.exe Token: SeShutdownPrivilege 2712 explorer.exe Token: SeShutdownPrivilege 2712 explorer.exe Token: SeShutdownPrivilege 2712 explorer.exe Token: SeShutdownPrivilege 2712 explorer.exe Token: SeShutdownPrivilege 2712 explorer.exe Token: SeShutdownPrivilege 2712 explorer.exe Token: SeShutdownPrivilege 2712 explorer.exe - Suspicious use of FindShellTrayWindow 29 IoCs
pid Process 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe - Suspicious use of SendNotifyMessage 22 IoCs
pid Process 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe 2712 explorer.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2484 wrote to memory of 2624 2484 powershell.exe 29 PID 2484 wrote to memory of 2624 2484 powershell.exe 29 PID 2484 wrote to memory of 2624 2484 powershell.exe 29 PID 2484 wrote to memory of 2720 2484 powershell.exe 31 PID 2484 wrote to memory of 2720 2484 powershell.exe 31 PID 2484 wrote to memory of 2720 2484 powershell.exe 31 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\Filmrullerne\Tendance\Unredacted.ps11⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2484 -
C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" "/c set /A 1^^0"2⤵PID:2624
-
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C:\Windows\system32\wermgr.exe"C:\Windows\system32\wermgr.exe" "-outproc" "2484" "1084"2⤵PID:2720
-
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C:\Windows\explorer.exeexplorer.exe1⤵
- Modifies Installed Components in the registry
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2712
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\OutofProcReport259402959.txt
- Size 1KB
- SHA256 e5c5620e449d19f00ee870134192155df29a8ce0461e0188209cbef0937acad7
- MD5 2d82320b20177e8c405616754cc74f6a
- SHA1 80d8a849df06d12e7cb44e88be08133ec761db9e
- SHA512 253b28a26ca6abc779855d3a57c14481fc8e38ca6eabf69374c720311116f13e185df7f314133cb2836f0a19ee98dec541d186f37450c9c46e5a17432b792517
- MD5 SHA1 SHA512