oski | cf25db6c63cc07611931c4c4468c4e15af04130d4534caa53f59a43f863a02d1

General

Target

636e799e0d2695f6d1b4fc1c32f18b77.ps1
Size

656KB
MD5

636e799e0d2695f6d1b4fc1c32f18b77
SHA1

2796d78bb15c3a037eb018df31d70700be8dba41
SHA256

cf25db6c63cc07611931c4c4468c4e15af04130d4534caa53f59a43f863a02d1
SHA512

fcdb45b2ad3e83f0a406650636016ffde1b60f7a7986e7526b2de168a85b13fe5ab0401a9f3fa4bbe13e074992116583d0744e704c251f02fa0b8bd6a5adc634
SSDEEP

12288:EZjw0RJ9u5ILYDxD3fxYehza/tw64N8TVkc5A+:g33Tmr+

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

C2

/103.114.107.28/l36/

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 3520 set thread context of 4088	3520	powershell.exe	92

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2952	4088	WerFault.exe	92

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3520	powershell.exe
3520	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3520	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3520 wrote to memory of 4088	3520	powershell.exe	92
PID 3520 wrote to memory of 4088	3520	powershell.exe	92
PID 3520 wrote to memory of 4088	3520	powershell.exe	92
PID 3520 wrote to memory of 4088	3520	powershell.exe	92
PID 3520 wrote to memory of 4088	3520	powershell.exe	92
PID 3520 wrote to memory of 4088	3520	powershell.exe	92
PID 3520 wrote to memory of 4088	3520	powershell.exe	92
PID 3520 wrote to memory of 4088	3520	powershell.exe	92
PID 3520 wrote to memory of 4088	3520	powershell.exe	92

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\636e799e0d2695f6d1b4fc1c32f18b77.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3520
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #cmd
  2⤵
  PID:4088
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4088 -s 1108
    3⤵
    - Program crash
    PID:2952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4088 -ip 4088
1⤵
PID:3104

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_u5ssfgqm.hqo.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3520-33-0x0000017CC7B70000-0x0000017CC7B90000-memory.dmp

Filesize
128KB

Download
memory/3520-17-0x0000017CC7B70000-0x0000017CC7B90000-memory.dmp

Filesize
128KB

Download
memory/3520-11-0x0000017CC7800000-0x0000017CC7822000-memory.dmp

Filesize
136KB

Download
memory/3520-35-0x0000017CC7B70000-0x0000017CC7B90000-memory.dmp

Filesize
128KB

Download
memory/3520-13-0x0000017CC7B70000-0x0000017CC7B96000-memory.dmp

Filesize
152KB

Download
memory/3520-14-0x0000017CC7B70000-0x0000017CC7B90000-memory.dmp

Filesize
128KB

Download
memory/3520-15-0x0000017CC7B70000-0x0000017CC7B90000-memory.dmp

Filesize
128KB

Download
memory/3520-37-0x0000017CC7B70000-0x0000017CC7B90000-memory.dmp

Filesize
128KB

Download
memory/3520-19-0x0000017CC7B70000-0x0000017CC7B90000-memory.dmp

Filesize
128KB

Download
memory/3520-21-0x0000017CC7B70000-0x0000017CC7B90000-memory.dmp

Filesize
128KB

Download
memory/3520-23-0x0000017CC7B70000-0x0000017CC7B90000-memory.dmp

Filesize
128KB

Download
memory/3520-25-0x0000017CC7B70000-0x0000017CC7B90000-memory.dmp

Filesize
128KB

Download
memory/3520-27-0x0000017CC7B70000-0x0000017CC7B90000-memory.dmp

Filesize
128KB

Download
memory/3520-51-0x0000017CC7B70000-0x0000017CC7B90000-memory.dmp

Filesize
128KB

Download
memory/3520-31-0x0000017CC7B70000-0x0000017CC7B90000-memory.dmp

Filesize
128KB

Download
memory/3520-0-0x00007FFD5C520000-0x00007FFD5CFE1000-memory.dmp

Filesize
10.8MB

Download
memory/3520-12-0x0000017CC5630000-0x0000017CC5640000-memory.dmp

Filesize
64KB

Download
memory/3520-1-0x0000017CC5630000-0x0000017CC5640000-memory.dmp

Filesize
64KB

Download
memory/3520-29-0x0000017CC7B70000-0x0000017CC7B90000-memory.dmp

Filesize
128KB

Download
memory/3520-49-0x0000017CC7B70000-0x0000017CC7B90000-memory.dmp

Filesize
128KB

Download
memory/3520-53-0x0000017CC7B70000-0x0000017CC7B90000-memory.dmp

Filesize
128KB

Download
memory/3520-47-0x0000017CC7B70000-0x0000017CC7B90000-memory.dmp

Filesize
128KB

Download
memory/3520-45-0x0000017CC7B70000-0x0000017CC7B90000-memory.dmp

Filesize
128KB

Download
memory/3520-43-0x0000017CC7B70000-0x0000017CC7B90000-memory.dmp

Filesize
128KB

Download
memory/3520-41-0x0000017CC7B70000-0x0000017CC7B90000-memory.dmp

Filesize
128KB

Download
memory/3520-54-0x0000017CC7B90000-0x0000017CC7B91000-memory.dmp

Filesize
4KB

Download
memory/3520-39-0x0000017CC7B70000-0x0000017CC7B90000-memory.dmp

Filesize
128KB

Download
memory/3520-60-0x00007FFD5C520000-0x00007FFD5CFE1000-memory.dmp

Filesize
10.8MB

Download
memory/4088-58-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4088-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4088-55-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4088-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4088-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

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