oski | 37cdb8d6a19c396cebbe44953363fcf9c7f7c27b1d27734edb81491dfb8c3069

Analysis

max time kernel
148s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 16:54

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General

Target

f91a93aba78c83e1e03a3ce5e2dc72c6.ps1
Size

656KB
MD5

f91a93aba78c83e1e03a3ce5e2dc72c6
SHA1

e0c790cc02a7af6ec022f81d1e6a2000e39fe0bc
SHA256

37cdb8d6a19c396cebbe44953363fcf9c7f7c27b1d27734edb81491dfb8c3069
SHA512

4235ad761835c2610c1e4314d7367f11970b546fcea106be81eaf698b0017c5269aa3264c46126e9d9269d4e9b034f21923b3ac1fd76302494a8f2dffd2d3815
SSDEEP

12288:EZjw0RJ9u5ILYDxD3fxYehza/tw64S8TVkc5A+:g3yTmr+

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

103.114.107.28/l20/

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 3804 set thread context of 4364	3804	powershell.exe	91

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3804	powershell.exe
3804	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3804	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3804 wrote to memory of 4364	3804	powershell.exe	91
PID 3804 wrote to memory of 4364	3804	powershell.exe	91
PID 3804 wrote to memory of 4364	3804	powershell.exe	91
PID 3804 wrote to memory of 4364	3804	powershell.exe	91
PID 3804 wrote to memory of 4364	3804	powershell.exe	91
PID 3804 wrote to memory of 4364	3804	powershell.exe	91
PID 3804 wrote to memory of 4364	3804	powershell.exe	91
PID 3804 wrote to memory of 4364	3804	powershell.exe	91
PID 3804 wrote to memory of 4364	3804	powershell.exe	91

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\f91a93aba78c83e1e03a3ce5e2dc72c6.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3804
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #cmd
  2⤵
  PID:4364

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qfwmvr00.epl.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3804-33-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp

Filesize
128KB

Download
memory/3804-17-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp

Filesize
128KB

Download
memory/3804-12-0x0000022F6A7F0000-0x0000022F6A800000-memory.dmp

Filesize
64KB

Download
memory/3804-35-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp

Filesize
128KB

Download
memory/3804-13-0x0000022F6A7D0000-0x0000022F6A7F6000-memory.dmp

Filesize
152KB

Download
memory/3804-15-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp

Filesize
128KB

Download
memory/3804-14-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp

Filesize
128KB

Download
memory/3804-39-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp

Filesize
128KB

Download
memory/3804-19-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp

Filesize
128KB

Download
memory/3804-21-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp

Filesize
128KB

Download
memory/3804-23-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp

Filesize
128KB

Download
memory/3804-25-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp

Filesize
128KB

Download
memory/3804-27-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp

Filesize
128KB

Download
memory/3804-41-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp

Filesize
128KB

Download
memory/3804-31-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp

Filesize
128KB

Download
memory/3804-9-0x0000022F6A7A0000-0x0000022F6A7C2000-memory.dmp

Filesize
136KB

Download
memory/3804-11-0x0000022F6A7F0000-0x0000022F6A800000-memory.dmp

Filesize
64KB

Download
memory/3804-10-0x00007FFCBDC40000-0x00007FFCBE701000-memory.dmp

Filesize
10.8MB

Download
memory/3804-29-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp

Filesize
128KB

Download
memory/3804-37-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp

Filesize
128KB

Download
memory/3804-43-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp

Filesize
128KB

Download
memory/3804-45-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp

Filesize
128KB

Download
memory/3804-53-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp

Filesize
128KB

Download
memory/3804-51-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp

Filesize
128KB

Download
memory/3804-49-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp

Filesize
128KB

Download
memory/3804-47-0x0000022F6A7D0000-0x0000022F6A7F0000-memory.dmp

Filesize
128KB

Download
memory/3804-54-0x0000022F6A790000-0x0000022F6A791000-memory.dmp

Filesize
4KB

Download
memory/3804-59-0x00007FFCBDC40000-0x00007FFCBE701000-memory.dmp

Filesize
10.8MB

Download
memory/4364-58-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4364-55-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4364-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4364-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4364-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download