Analysis
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max time kernel
139s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
12-01-2024 12:19
Static task
static1
Behavioral task
behavioral1
Sample
56711d95738034380f8e51d2da4fee41.ps1
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
56711d95738034380f8e51d2da4fee41.ps1
Resource
win10v2004-20231215-en
General
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Target
56711d95738034380f8e51d2da4fee41.ps1
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Size
485KB
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MD5
56711d95738034380f8e51d2da4fee41
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SHA1
786536b8be12ae7daf81a2a0252afac34eb047a9
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SHA256
2d510eb788c8dd9ae2f055811888c11b761c6b278bf0fe77e26b2ae5417ab86a
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SHA512
09a25f5defc0fcd300d7e599a98f80525248c5457eb0555fcafc8c2ce92a04122674be952122dc584071abfcbb919d51d7a617206d14202823ec941e55931fe0
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SSDEEP
12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64Bigu:q32u
Malware Config
Extracted
oski
/103.114.107.28/l32/
Signatures
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Oski
Oski is an infostealer targeting browser data, crypto wallets.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2652 set thread context of 1148 2652 powershell.exe 90 -
Program crash 1 IoCs
pid pid_target Process procid_target 4472 1148 WerFault.exe 90 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2652 powershell.exe 2652 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2652 powershell.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2652 wrote to memory of 1148 2652 powershell.exe 90 PID 2652 wrote to memory of 1148 2652 powershell.exe 90 PID 2652 wrote to memory of 1148 2652 powershell.exe 90 PID 2652 wrote to memory of 1148 2652 powershell.exe 90 PID 2652 wrote to memory of 1148 2652 powershell.exe 90 PID 2652 wrote to memory of 1148 2652 powershell.exe 90 PID 2652 wrote to memory of 1148 2652 powershell.exe 90 PID 2652 wrote to memory of 1148 2652 powershell.exe 90 PID 2652 wrote to memory of 1148 2652 powershell.exe 90
Processes
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\56711d95738034380f8e51d2da4fee41.ps11⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2652 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe#cmd2⤵PID:1148
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1148 -s 11003⤵
- Program crash
PID:4472
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1148 -ip 11481⤵PID:1172
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82