oski | 1da0be0aaba776acecca8ca486091916e826dff4009760edaefa520bfbfc1ae5

General

Target

ceb8f7cc58ac10681b1757fe6f738560.ps1
Size

656KB
MD5

ceb8f7cc58ac10681b1757fe6f738560
SHA1

352728961fa0902ff518891cd019675232c57ba3
SHA256

1da0be0aaba776acecca8ca486091916e826dff4009760edaefa520bfbfc1ae5
SHA512

3c3877945c2da143eca9d324f2b22b2ad88c2d50938048dc3a460f9d28dc6e0a4e950567ce2d429e326510b68f0f3d590276031d2402759593a7034902980b79
SSDEEP

12288:EZjw0RJ9u5ILYDxD3fxYehza/tw64q8TVkc5A+:g32Tmr+

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

C2

/103.114.107.28/l39/

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 3536 set thread context of 2788	3536	powershell.exe	91

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4856	2788	WerFault.exe	91

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3536	powershell.exe
3536	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3536	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3536 wrote to memory of 2788	3536	powershell.exe	91
PID 3536 wrote to memory of 2788	3536	powershell.exe	91
PID 3536 wrote to memory of 2788	3536	powershell.exe	91
PID 3536 wrote to memory of 2788	3536	powershell.exe	91
PID 3536 wrote to memory of 2788	3536	powershell.exe	91
PID 3536 wrote to memory of 2788	3536	powershell.exe	91
PID 3536 wrote to memory of 2788	3536	powershell.exe	91
PID 3536 wrote to memory of 2788	3536	powershell.exe	91
PID 3536 wrote to memory of 2788	3536	powershell.exe	91

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\ceb8f7cc58ac10681b1757fe6f738560.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3536
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #cmd
  2⤵
  PID:2788
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2788 -s 1100
    3⤵
    - Program crash
    PID:4856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2788 -ip 2788
1⤵
PID:2176

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0pmwn0dr.uhb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2788-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2788-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2788-55-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2788-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2788-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3536-49-0x0000024474070000-0x0000024474090000-memory.dmp

Filesize
128KB

Download
memory/3536-39-0x0000024474070000-0x0000024474090000-memory.dmp

Filesize
128KB

Download
memory/3536-31-0x0000024474070000-0x0000024474090000-memory.dmp

Filesize
128KB

Download
memory/3536-13-0x0000024474070000-0x0000024474096000-memory.dmp

Filesize
152KB

Download
memory/3536-61-0x00007FFE2CCD0000-0x00007FFE2D791000-memory.dmp

Filesize
10.8MB

Download
memory/3536-12-0x00000244745D0000-0x00000244745E0000-memory.dmp

Filesize
64KB

Download
memory/3536-58-0x00000244745D0000-0x00000244745E0000-memory.dmp

Filesize
64KB

Download
memory/3536-11-0x00000244745D0000-0x00000244745E0000-memory.dmp

Filesize
64KB

Download
memory/3536-54-0x0000024474030000-0x0000024474031000-memory.dmp

Filesize
4KB

Download
memory/3536-51-0x0000024474070000-0x0000024474090000-memory.dmp

Filesize
128KB

Download
memory/3536-10-0x00007FFE2CCD0000-0x00007FFE2D791000-memory.dmp

Filesize
10.8MB

Download
memory/3536-47-0x0000024474070000-0x0000024474090000-memory.dmp

Filesize
128KB

Download
memory/3536-45-0x0000024474070000-0x0000024474090000-memory.dmp

Filesize
128KB

Download
memory/3536-43-0x0000024474070000-0x0000024474090000-memory.dmp

Filesize
128KB

Download
memory/3536-41-0x0000024474070000-0x0000024474090000-memory.dmp

Filesize
128KB

Download
memory/3536-53-0x0000024474070000-0x0000024474090000-memory.dmp

Filesize
128KB

Download
memory/3536-37-0x0000024474070000-0x0000024474090000-memory.dmp

Filesize
128KB

Download
memory/3536-35-0x0000024474070000-0x0000024474090000-memory.dmp

Filesize
128KB

Download
memory/3536-33-0x0000024474070000-0x0000024474090000-memory.dmp

Filesize
128KB

Download
memory/3536-29-0x0000024474070000-0x0000024474090000-memory.dmp

Filesize
128KB

Download
memory/3536-27-0x0000024474070000-0x0000024474090000-memory.dmp

Filesize
128KB

Download
memory/3536-25-0x0000024474070000-0x0000024474090000-memory.dmp

Filesize
128KB

Download
memory/3536-23-0x0000024474070000-0x0000024474090000-memory.dmp

Filesize
128KB

Download
memory/3536-21-0x0000024474070000-0x0000024474090000-memory.dmp

Filesize
128KB

Download
memory/3536-19-0x0000024474070000-0x0000024474090000-memory.dmp

Filesize
128KB

Download
memory/3536-17-0x0000024474070000-0x0000024474090000-memory.dmp

Filesize
128KB

Download
memory/3536-15-0x0000024474070000-0x0000024474090000-memory.dmp

Filesize
128KB

Download
memory/3536-14-0x0000024474070000-0x0000024474090000-memory.dmp

Filesize
128KB

Download
memory/3536-0-0x0000024474000000-0x0000024474022000-memory.dmp

Filesize
136KB

Download

Analysis

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