oski | a2ae38d4b467bc8ab66ae53b28bd01365e9240b83f7f5e952d42c2aee0eae3ca

General

Target

cc4bdd8e7f88763262c4634434b1dd77.exe
Size

1.1MB
MD5

cc4bdd8e7f88763262c4634434b1dd77
SHA1

f79dafab3b401354ee39c1e212cbd2f7b578971a
SHA256

a2ae38d4b467bc8ab66ae53b28bd01365e9240b83f7f5e952d42c2aee0eae3ca
SHA512

dbf2a96ad199051dd7466c164024dca35b08b09d6a5384a1f5aea0ca6f3474f1e1dd9a8d329676bfd4e4271494c2de0a276c59e1f677ce4696c34292bc2e8b36
SSDEEP

24576:4MXD6D+Xq6Hy1Tl99QQdt7eq7XrN7xoeizky+Vr8x:zXD6D+6Z1Tri4r7o9aVox

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

C2

176.113.82.180

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 2992 set thread context of 3040	2992	cc4bdd8e7f88763262c4634434b1dd77.exe	33

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2608	3040	WerFault.exe	33

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2992	cc4bdd8e7f88763262c4634434b1dd77.exe
2992	cc4bdd8e7f88763262c4634434b1dd77.exe
2992	cc4bdd8e7f88763262c4634434b1dd77.exe
2992	cc4bdd8e7f88763262c4634434b1dd77.exe
2992	cc4bdd8e7f88763262c4634434b1dd77.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2992	cc4bdd8e7f88763262c4634434b1dd77.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 2908	2992	cc4bdd8e7f88763262c4634434b1dd77.exe	30
PID 2992 wrote to memory of 2908	2992	cc4bdd8e7f88763262c4634434b1dd77.exe	30
PID 2992 wrote to memory of 2908	2992	cc4bdd8e7f88763262c4634434b1dd77.exe	30
PID 2992 wrote to memory of 2908	2992	cc4bdd8e7f88763262c4634434b1dd77.exe	30
PID 2992 wrote to memory of 2664	2992	cc4bdd8e7f88763262c4634434b1dd77.exe	31
PID 2992 wrote to memory of 2664	2992	cc4bdd8e7f88763262c4634434b1dd77.exe	31
PID 2992 wrote to memory of 2664	2992	cc4bdd8e7f88763262c4634434b1dd77.exe	31
PID 2992 wrote to memory of 2664	2992	cc4bdd8e7f88763262c4634434b1dd77.exe	31
PID 2992 wrote to memory of 1508	2992	cc4bdd8e7f88763262c4634434b1dd77.exe	32
PID 2992 wrote to memory of 1508	2992	cc4bdd8e7f88763262c4634434b1dd77.exe	32
PID 2992 wrote to memory of 1508	2992	cc4bdd8e7f88763262c4634434b1dd77.exe	32
PID 2992 wrote to memory of 1508	2992	cc4bdd8e7f88763262c4634434b1dd77.exe	32
PID 2992 wrote to memory of 3040	2992	cc4bdd8e7f88763262c4634434b1dd77.exe	33
PID 2992 wrote to memory of 3040	2992	cc4bdd8e7f88763262c4634434b1dd77.exe	33
PID 2992 wrote to memory of 3040	2992	cc4bdd8e7f88763262c4634434b1dd77.exe	33
PID 2992 wrote to memory of 3040	2992	cc4bdd8e7f88763262c4634434b1dd77.exe	33
PID 2992 wrote to memory of 3040	2992	cc4bdd8e7f88763262c4634434b1dd77.exe	33
PID 2992 wrote to memory of 3040	2992	cc4bdd8e7f88763262c4634434b1dd77.exe	33
PID 2992 wrote to memory of 3040	2992	cc4bdd8e7f88763262c4634434b1dd77.exe	33
PID 2992 wrote to memory of 3040	2992	cc4bdd8e7f88763262c4634434b1dd77.exe	33
PID 2992 wrote to memory of 3040	2992	cc4bdd8e7f88763262c4634434b1dd77.exe	33
PID 2992 wrote to memory of 3040	2992	cc4bdd8e7f88763262c4634434b1dd77.exe	33
PID 3040 wrote to memory of 2608	3040	cc4bdd8e7f88763262c4634434b1dd77.exe	34
PID 3040 wrote to memory of 2608	3040	cc4bdd8e7f88763262c4634434b1dd77.exe	34
PID 3040 wrote to memory of 2608	3040	cc4bdd8e7f88763262c4634434b1dd77.exe	34
PID 3040 wrote to memory of 2608	3040	cc4bdd8e7f88763262c4634434b1dd77.exe	34

C:\Users\Admin\AppData\Local\Temp\cc4bdd8e7f88763262c4634434b1dd77.exe
"C:\Users\Admin\AppData\Local\Temp\cc4bdd8e7f88763262c4634434b1dd77.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2992
- C:\Users\Admin\AppData\Local\Temp\cc4bdd8e7f88763262c4634434b1dd77.exe
  "{path}"
  2⤵
  PID:2908
- C:\Users\Admin\AppData\Local\Temp\cc4bdd8e7f88763262c4634434b1dd77.exe
  "{path}"
  2⤵
  PID:2664
- C:\Users\Admin\AppData\Local\Temp\cc4bdd8e7f88763262c4634434b1dd77.exe
  "{path}"
  2⤵
  PID:1508
- C:\Users\Admin\AppData\Local\Temp\cc4bdd8e7f88763262c4634434b1dd77.exe
  "{path}"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3040
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 112
    3⤵
    - Program crash
    PID:2608

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2992-8-0x0000000000750000-0x00000000007AA000-memory.dmp

Filesize
360KB

Download
memory/2992-21-0x00000000747F0000-0x0000000074EDE000-memory.dmp

Filesize
6.9MB

Download
memory/2992-1-0x00000000747F0000-0x0000000074EDE000-memory.dmp

Filesize
6.9MB

Download
memory/2992-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2992-4-0x00000000005B0000-0x000000000060C000-memory.dmp

Filesize
368KB

Download
memory/2992-5-0x0000000000460000-0x0000000000470000-memory.dmp

Filesize
64KB

Download
memory/2992-6-0x00000000747F0000-0x0000000074EDE000-memory.dmp

Filesize
6.9MB

Download
memory/2992-7-0x0000000000610000-0x0000000000650000-memory.dmp

Filesize
256KB

Download
memory/2992-2-0x0000000000610000-0x0000000000650000-memory.dmp

Filesize
256KB

Download
memory/2992-0-0x0000000000250000-0x0000000000376000-memory.dmp

Filesize
1.1MB

Download
memory/2992-9-0x00000000020A0000-0x00000000020D8000-memory.dmp

Filesize
224KB

Download
memory/3040-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3040-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3040-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3040-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3040-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3040-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3040-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3040-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

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