oski | c4b3861c73357c8d2ee9e1d654caa58e7264a0aef4d6f0a1540137b5239236f3

Analysis

max time kernel
138s
max time network
150s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
05/01/2024, 06:58

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General

Target

430ca77782734b5bce5c306294a3661e.ps1
Size

706KB
MD5

430ca77782734b5bce5c306294a3661e
SHA1

cd5992a515d5637abac53e1e7e73a6e7bc9e56fe
SHA256

c4b3861c73357c8d2ee9e1d654caa58e7264a0aef4d6f0a1540137b5239236f3
SHA512

425011eae2368f3b8bf9349c89fde0d6bc81ba6249f92e204b3baa9164195ec284c3cf847f9c0fe22ee4eb76c85d23aed245e9bb41d3440b9155be8756490830
SSDEEP

6144:raJpHs+ApelD0TpSXKFlECflUZdAMr9LXoFNihdhUNK/16dBzMeiuoC6GSOxm02:BOAR402

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

103.99.1.60/we/2ky/

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 2640 set thread context of 2132	2640	powershell.exe	29

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2640	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2640	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 2132	2640	powershell.exe	29
PID 2640 wrote to memory of 2132	2640	powershell.exe	29
PID 2640 wrote to memory of 2132	2640	powershell.exe	29
PID 2640 wrote to memory of 2132	2640	powershell.exe	29
PID 2640 wrote to memory of 2132	2640	powershell.exe	29
PID 2640 wrote to memory of 2132	2640	powershell.exe	29
PID 2640 wrote to memory of 2132	2640	powershell.exe	29
PID 2640 wrote to memory of 2132	2640	powershell.exe	29
PID 2640 wrote to memory of 2132	2640	powershell.exe	29
PID 2640 wrote to memory of 2132	2640	powershell.exe	29
PID 2640 wrote to memory of 2132	2640	powershell.exe	29
PID 2640 wrote to memory of 2132	2640	powershell.exe	29
PID 2640 wrote to memory of 2132	2640	powershell.exe	29

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\430ca77782734b5bce5c306294a3661e.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:2132

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2132-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2132-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2132-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2132-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2132-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2132-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2132-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2132-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2132-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2132-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2640-7-0x0000000002930000-0x00000000029B0000-memory.dmp

Filesize
512KB

Download
memory/2640-5-0x000007FEF59E0000-0x000007FEF637D000-memory.dmp

Filesize
9.6MB

Download
memory/2640-11-0x0000000002930000-0x00000000029B0000-memory.dmp

Filesize
512KB

Download
memory/2640-10-0x000007FEF59E0000-0x000007FEF637D000-memory.dmp

Filesize
9.6MB

Download
memory/2640-12-0x000000001B680000-0x000000001B688000-memory.dmp

Filesize
32KB

Download
memory/2640-4-0x000000001B290000-0x000000001B572000-memory.dmp

Filesize
2.9MB

Download
memory/2640-9-0x0000000002930000-0x00000000029B0000-memory.dmp

Filesize
512KB

Download
memory/2640-22-0x000007FEF59E0000-0x000007FEF637D000-memory.dmp

Filesize
9.6MB

Download
memory/2640-8-0x0000000002520000-0x0000000002528000-memory.dmp

Filesize
32KB

Download
memory/2640-6-0x0000000002930000-0x00000000029B0000-memory.dmp

Filesize
512KB

Download