oski | 67224e8f8ef3b36cf77c29b0c60a7595daa16de984f3d2b643ec885dc93b8acb

General

Target

e2bbf77bd9861f8f202a44421e66b598_JaffaCakes118.ps1
Size

656KB
MD5

e2bbf77bd9861f8f202a44421e66b598
SHA1

5bca6fe4ea19b2b29534e8e515e8bd4e86ea48b7
SHA256

67224e8f8ef3b36cf77c29b0c60a7595daa16de984f3d2b643ec885dc93b8acb
SHA512

2cb5210845220cf564c32f363fe45eeb66b9edc66a3dbd206f8341b632d3da67737442fbffbaa66436f3c0c58d2f711a8c8fd6f22669f5afabd3bcff25a0badf
SSDEEP

12288:EZjw0RJ9u5ILYDxD3fxYehza/tw64o8TVkc5A+:g30Tmr+

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

C2

103.114.107.28/l5/

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 1868 set thread context of 1828	1868	powershell.exe	86

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4500	1828	WerFault.exe	86

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1868	powershell.exe
1868	powershell.exe
1868	powershell.exe
1868	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1868	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 2700	1868	powershell.exe	85
PID 1868 wrote to memory of 2700	1868	powershell.exe	85
PID 1868 wrote to memory of 2700	1868	powershell.exe	85
PID 1868 wrote to memory of 1828	1868	powershell.exe	86
PID 1868 wrote to memory of 1828	1868	powershell.exe	86
PID 1868 wrote to memory of 1828	1868	powershell.exe	86
PID 1868 wrote to memory of 1828	1868	powershell.exe	86
PID 1868 wrote to memory of 1828	1868	powershell.exe	86
PID 1868 wrote to memory of 1828	1868	powershell.exe	86
PID 1868 wrote to memory of 1828	1868	powershell.exe	86
PID 1868 wrote to memory of 1828	1868	powershell.exe	86
PID 1868 wrote to memory of 1828	1868	powershell.exe	86

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\e2bbf77bd9861f8f202a44421e66b598_JaffaCakes118.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #cmd
  2⤵
  PID:2700
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #cmd
  2⤵
  PID:1828
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1828 -s 1232
    3⤵
    - Program crash
    PID:4500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1828 -ip 1828
1⤵
PID:1124

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vzlv4phr.5al.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1828-56-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1828-66-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1828-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1828-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1828-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1828-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1868-38-0x0000026F7EB60000-0x0000026F7EB80000-memory.dmp

Filesize
128KB

Download
memory/1868-44-0x0000026F7EB60000-0x0000026F7EB80000-memory.dmp

Filesize
128KB

Download
memory/1868-18-0x0000026F7EB60000-0x0000026F7EB80000-memory.dmp

Filesize
128KB

Download
memory/1868-20-0x0000026F7EB60000-0x0000026F7EB80000-memory.dmp

Filesize
128KB

Download
memory/1868-22-0x0000026F7EB60000-0x0000026F7EB80000-memory.dmp

Filesize
128KB

Download
memory/1868-24-0x0000026F7EB60000-0x0000026F7EB80000-memory.dmp

Filesize
128KB

Download
memory/1868-26-0x0000026F7EB60000-0x0000026F7EB80000-memory.dmp

Filesize
128KB

Download
memory/1868-28-0x0000026F7EB60000-0x0000026F7EB80000-memory.dmp

Filesize
128KB

Download
memory/1868-30-0x0000026F7EB60000-0x0000026F7EB80000-memory.dmp

Filesize
128KB

Download
memory/1868-32-0x0000026F7EB60000-0x0000026F7EB80000-memory.dmp

Filesize
128KB

Download
memory/1868-34-0x0000026F7EB60000-0x0000026F7EB80000-memory.dmp

Filesize
128KB

Download
memory/1868-9-0x00007FFB02160000-0x00007FFB02C21000-memory.dmp

Filesize
10.8MB

Download
memory/1868-36-0x0000026F7EB60000-0x0000026F7EB80000-memory.dmp

Filesize
128KB

Download
memory/1868-40-0x0000026F7EB60000-0x0000026F7EB80000-memory.dmp

Filesize
128KB

Download
memory/1868-42-0x0000026F7EB60000-0x0000026F7EB80000-memory.dmp

Filesize
128KB

Download
memory/1868-16-0x0000026F7EB60000-0x0000026F7EB80000-memory.dmp

Filesize
128KB

Download
memory/1868-46-0x0000026F7EB60000-0x0000026F7EB80000-memory.dmp

Filesize
128KB

Download
memory/1868-48-0x0000026F7EB60000-0x0000026F7EB80000-memory.dmp

Filesize
128KB

Download
memory/1868-50-0x0000026F7EB60000-0x0000026F7EB80000-memory.dmp

Filesize
128KB

Download
memory/1868-52-0x0000026F7EB60000-0x0000026F7EB80000-memory.dmp

Filesize
128KB

Download
memory/1868-54-0x0000026F7EB60000-0x0000026F7EB80000-memory.dmp

Filesize
128KB

Download
memory/1868-55-0x0000026F64160000-0x0000026F64161000-memory.dmp

Filesize
4KB

Download
memory/1868-15-0x0000026F7EB60000-0x0000026F7EB80000-memory.dmp

Filesize
128KB

Download
memory/1868-14-0x0000026F7EB60000-0x0000026F7EB86000-memory.dmp

Filesize
152KB

Download
memory/1868-60-0x00007FFB02160000-0x00007FFB02C21000-memory.dmp

Filesize
10.8MB

Download
memory/1868-13-0x0000026F64180000-0x0000026F64190000-memory.dmp

Filesize
64KB

Download
memory/1868-12-0x0000026F64180000-0x0000026F64190000-memory.dmp

Filesize
64KB

Download
memory/1868-11-0x0000026F64180000-0x0000026F64190000-memory.dmp

Filesize
64KB

Download
memory/1868-10-0x0000026F7E8D0000-0x0000026F7E8F2000-memory.dmp

Filesize
136KB

Download

Analysis

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