oski | e170f6e534f68f5afcfe10c3bb456ddd307e7986a34c314c359ee48a8068725e

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
22-12-2023 14:45

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General

Target

ca3bb3fc686f6bb324c449a91bb495fb.ps1
Size

421KB
MD5

ca3bb3fc686f6bb324c449a91bb495fb
SHA1

29440914fe715c5ebdbd9a0dc66318f29ca46b47
SHA256

e170f6e534f68f5afcfe10c3bb456ddd307e7986a34c314c359ee48a8068725e
SHA512

ae57360f9a99944f72f250c1d5d2cdb41c65c0e3ce69db36c336b00cdd1a230f0e5f4bb810daeee875d201812ea89e70c9bdd371b1a647fd97e9711f41110f62
SSDEEP

12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64tL68:q3O

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

/103.114.107.28/l404/

Signatures

Oski
Oski is an infostealer targeting browser data, crypto wallets.
infostealer oski

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3016 set thread context of 2736	3016	powershell.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2720	2736	WerFault.exe	29

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3016	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3016	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 2736	3016	powershell.exe	29
PID 3016 wrote to memory of 2736	3016	powershell.exe	29
PID 3016 wrote to memory of 2736	3016	powershell.exe	29
PID 3016 wrote to memory of 2736	3016	powershell.exe	29
PID 3016 wrote to memory of 2736	3016	powershell.exe	29
PID 3016 wrote to memory of 2736	3016	powershell.exe	29
PID 3016 wrote to memory of 2736	3016	powershell.exe	29
PID 3016 wrote to memory of 2736	3016	powershell.exe	29
PID 3016 wrote to memory of 2736	3016	powershell.exe	29
PID 3016 wrote to memory of 2736	3016	powershell.exe	29
PID 2736 wrote to memory of 2720	2736	MSBuild.exe	30
PID 2736 wrote to memory of 2720	2736	MSBuild.exe	30
PID 2736 wrote to memory of 2720	2736	MSBuild.exe	30
PID 2736 wrote to memory of 2720	2736	MSBuild.exe	30

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\ca3bb3fc686f6bb324c449a91bb495fb.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "{path}"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2736
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2736 -s 112
    3⤵
    - Program crash
    PID:2720

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2736-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2736-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2736-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2736-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2736-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2736-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2736-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2736-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3016-8-0x000007FEF5CD0000-0x000007FEF666D000-memory.dmp

Filesize
9.6MB

Download
memory/3016-12-0x000000001B290000-0x000000001B29A000-memory.dmp

Filesize
40KB

Download
memory/3016-11-0x00000000027E0000-0x0000000002860000-memory.dmp

Filesize
512KB

Download
memory/3016-9-0x00000000027E0000-0x0000000002860000-memory.dmp

Filesize
512KB

Download
memory/3016-10-0x00000000027E0000-0x0000000002860000-memory.dmp

Filesize
512KB

Download
memory/3016-5-0x000007FEF5CD0000-0x000007FEF666D000-memory.dmp

Filesize
9.6MB

Download
memory/3016-7-0x0000000001E70000-0x0000000001E78000-memory.dmp

Filesize
32KB

Download
memory/3016-4-0x000000001B330000-0x000000001B612000-memory.dmp

Filesize
2.9MB

Download
memory/3016-24-0x000007FEF5CD0000-0x000007FEF666D000-memory.dmp

Filesize
9.6MB

Download
memory/3016-6-0x00000000027E0000-0x0000000002860000-memory.dmp

Filesize
512KB

Download