oski | 2d759eacd3f7849f5c1bab822e4355dcc3ed418cf0640b180f0f74379f4f627b

General

Target

653a032aee2b9a31a8610954e5c28402.ps1
Size

656KB
MD5

653a032aee2b9a31a8610954e5c28402
SHA1

ac62e4c4a9387314d4a20897ece31c163983bb46
SHA256

2d759eacd3f7849f5c1bab822e4355dcc3ed418cf0640b180f0f74379f4f627b
SHA512

a7e2e8eb87c86e06419a5e7b3ac3b251a238c7c37eecdeec4af8870afe084d777ca4941027567dfae3d98e5d093a4cbcb8ad9fb5d7595f9fefc7461ec3d9b771
SSDEEP

12288:EZjw0RJ9u5ILYDxD3fxYehza/tw64M8TVkc5A+:g3ATmr+

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

C2

/103.114.107.28/l2626/

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 1520 set thread context of 644	1520	powershell.exe	89

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1724	644	WerFault.exe	89

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1520	powershell.exe
1520	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1520	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 644	1520	powershell.exe	89
PID 1520 wrote to memory of 644	1520	powershell.exe	89
PID 1520 wrote to memory of 644	1520	powershell.exe	89
PID 1520 wrote to memory of 644	1520	powershell.exe	89
PID 1520 wrote to memory of 644	1520	powershell.exe	89
PID 1520 wrote to memory of 644	1520	powershell.exe	89
PID 1520 wrote to memory of 644	1520	powershell.exe	89
PID 1520 wrote to memory of 644	1520	powershell.exe	89
PID 1520 wrote to memory of 644	1520	powershell.exe	89

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\653a032aee2b9a31a8610954e5c28402.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #cmd
  2⤵
  PID:644
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 644 -s 1100
    3⤵
    - Program crash
    PID:1724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 644 -ip 644
1⤵
PID:3292

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_paifudgn.tka.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/644-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/644-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/644-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/644-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/644-56-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1520-54-0x0000028C7CA00000-0x0000028C7CA20000-memory.dmp

Filesize
128KB

Download
memory/1520-44-0x0000028C7CA00000-0x0000028C7CA20000-memory.dmp

Filesize
128KB

Download
memory/1520-18-0x0000028C7CA00000-0x0000028C7CA20000-memory.dmp

Filesize
128KB

Download
memory/1520-16-0x0000028C7CA00000-0x0000028C7CA20000-memory.dmp

Filesize
128KB

Download
memory/1520-20-0x0000028C7CA00000-0x0000028C7CA20000-memory.dmp

Filesize
128KB

Download
memory/1520-22-0x0000028C7CA00000-0x0000028C7CA20000-memory.dmp

Filesize
128KB

Download
memory/1520-24-0x0000028C7CA00000-0x0000028C7CA20000-memory.dmp

Filesize
128KB

Download
memory/1520-36-0x0000028C7CA00000-0x0000028C7CA20000-memory.dmp

Filesize
128KB

Download
memory/1520-34-0x0000028C7CA00000-0x0000028C7CA20000-memory.dmp

Filesize
128KB

Download
memory/1520-48-0x0000028C7CA00000-0x0000028C7CA20000-memory.dmp

Filesize
128KB

Download
memory/1520-14-0x0000028C7CA00000-0x0000028C7CA26000-memory.dmp

Filesize
152KB

Download
memory/1520-52-0x0000028C7CA00000-0x0000028C7CA20000-memory.dmp

Filesize
128KB

Download
memory/1520-55-0x0000028C63810000-0x0000028C63811000-memory.dmp

Filesize
4KB

Download
memory/1520-50-0x0000028C7CA00000-0x0000028C7CA20000-memory.dmp

Filesize
128KB

Download
memory/1520-46-0x0000028C7CA00000-0x0000028C7CA20000-memory.dmp

Filesize
128KB

Download
memory/1520-15-0x0000028C7CA00000-0x0000028C7CA20000-memory.dmp

Filesize
128KB

Download
memory/1520-42-0x0000028C7CA00000-0x0000028C7CA20000-memory.dmp

Filesize
128KB

Download
memory/1520-40-0x0000028C7CA00000-0x0000028C7CA20000-memory.dmp

Filesize
128KB

Download
memory/1520-38-0x0000028C7CA00000-0x0000028C7CA20000-memory.dmp

Filesize
128KB

Download
memory/1520-13-0x0000028C7BDF0000-0x0000028C7BE00000-memory.dmp

Filesize
64KB

Download
memory/1520-32-0x0000028C7CA00000-0x0000028C7CA20000-memory.dmp

Filesize
128KB

Download
memory/1520-12-0x0000028C7BDF0000-0x0000028C7BE00000-memory.dmp

Filesize
64KB

Download
memory/1520-30-0x0000028C7CA00000-0x0000028C7CA20000-memory.dmp

Filesize
128KB

Download
memory/1520-28-0x0000028C7CA00000-0x0000028C7CA20000-memory.dmp

Filesize
128KB

Download
memory/1520-26-0x0000028C7CA00000-0x0000028C7CA20000-memory.dmp

Filesize
128KB

Download
memory/1520-61-0x00007FFB21640000-0x00007FFB22101000-memory.dmp

Filesize
10.8MB

Download
memory/1520-11-0x0000028C7BDF0000-0x0000028C7BE00000-memory.dmp

Filesize
64KB

Download
memory/1520-10-0x00007FFB21640000-0x00007FFB22101000-memory.dmp

Filesize
10.8MB

Download
memory/1520-9-0x0000028C7C990000-0x0000028C7C9B2000-memory.dmp

Filesize
136KB

Download

Analysis

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