Analysis
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max time kernel
132s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
22-12-2023 02:41
Static task
static1
Behavioral task
behavioral1
Sample
54d62e92b93a40149d7e4fa19b798201.ps1
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
54d62e92b93a40149d7e4fa19b798201.ps1
Resource
win10v2004-20231222-en
General
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Target
54d62e92b93a40149d7e4fa19b798201.ps1
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Size
421KB
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MD5
54d62e92b93a40149d7e4fa19b798201
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SHA1
0404240f6104722844ace07eb116d5edbc7a4c18
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SHA256
1384fedda1a2064b73982c64c756d109b16979a61ced905b338e7ad044c5e2f1
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SHA512
0591e4987caad59642fb39d929465487b8d5290197b924f1a33bcf8ba5389d5a4a9d97af61b0284199e64c0b281ff41d634b9a8c4df2ef8e02e8a96842e3f4c1
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SSDEEP
12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64ML68:q33
Malware Config
Extracted
oski
/103.114.107.28/l2626/
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 968 set thread context of 212 968 powershell.exe 25 -
Program crash 1 IoCs
pid pid_target Process procid_target 3116 212 WerFault.exe 25 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 968 powershell.exe 968 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 968 powershell.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 968 wrote to memory of 212 968 powershell.exe 25 PID 968 wrote to memory of 212 968 powershell.exe 25 PID 968 wrote to memory of 212 968 powershell.exe 25 PID 968 wrote to memory of 212 968 powershell.exe 25 PID 968 wrote to memory of 212 968 powershell.exe 25 PID 968 wrote to memory of 212 968 powershell.exe 25 PID 968 wrote to memory of 212 968 powershell.exe 25 PID 968 wrote to memory of 212 968 powershell.exe 25 PID 968 wrote to memory of 212 968 powershell.exe 25
Processes
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\54d62e92b93a40149d7e4fa19b798201.ps11⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:968 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"{path}"2⤵PID:212
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 212 -s 11043⤵
- Program crash
PID:3116
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 212 -ip 2121⤵PID:4320
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82