oski | 5ef0850150c577b7184b16ca066af5322d280d6e4208b8cb2d8059c8fdcd1da2

Analysis

max time kernel
93s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/04/2024, 15:04

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
e5351dc8fbec2f874e623c30e719c48b_JaffaCakes118.ps1
Size 421KB
Sample240407-sftvzsfd65
SHA256 5ef0850150c577b7184b16ca066af5322d280d6e4208b8cb2d8059c8fdcd1da2
MD5 e5351dc8fbec2f874e623c30e719c48b
SHA1 af756d841b0e9bc3accc58561f97111351dc4719
SHA512 204dd0f88dd1085a616fc611e3b4e49c7d974e1c70eb110c19b040100faf1d8ba699ec3735f7b90cf664e980907878d3ee7e45ce689557ba85d677d1ed5c6c76
SSDEEP 12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64sL68:q3n
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

/103.114.107.28/l2323/

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 1480 set thread context of 2248	1480	powershell.exe	91

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4512	2248	WerFault.exe	91

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1480	powershell.exe
1480	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1480	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1480 wrote to memory of 2248	1480	powershell.exe	91
PID 1480 wrote to memory of 2248	1480	powershell.exe	91
PID 1480 wrote to memory of 2248	1480	powershell.exe	91
PID 1480 wrote to memory of 2248	1480	powershell.exe	91
PID 1480 wrote to memory of 2248	1480	powershell.exe	91
PID 1480 wrote to memory of 2248	1480	powershell.exe	91
PID 1480 wrote to memory of 2248	1480	powershell.exe	91
PID 1480 wrote to memory of 2248	1480	powershell.exe	91
PID 1480 wrote to memory of 2248	1480	powershell.exe	91

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\e5351dc8fbec2f874e623c30e719c48b_JaffaCakes118.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1480
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "{path}"
  2⤵
  PID:2248
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2248 -s 1112
    3⤵
    - Program crash
    PID:4512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 2248 -ip 2248
1⤵
PID:2616

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

__PSScriptPolicyTest_fq2zsugq.xy4.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fq2zsugq.xy4.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Submit Download

memory/1480-9-0x000001DA28250000-0x000001DA28272000-memory.dmp

Download

memory/1480-10-0x00007FF98D160000-0x00007FF98DC21000-memory.dmp

Download

memory/1480-11-0x000001DA281E0000-0x000001DA281F0000-memory.dmp

Download

memory/1480-12-0x000001DA281E0000-0x000001DA281F0000-memory.dmp

Download

memory/1480-13-0x000001DA281D0000-0x000001DA281DA000-memory.dmp

Download

memory/1480-18-0x00007FF98D160000-0x00007FF98DC21000-memory.dmp

Download

memory/2248-14-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/2248-17-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/2248-19-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/2248-20-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/2248-23-0x0000000000400000-0x0000000000438000-memory.dmp

Download