oski | 9bb9ebda548a1b5411f95a24e4f2b27705473e91033ae6cb158c19eb2cca5908

Analysis

max time kernel
9s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2024 21:29

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General

Target

4c8015bbc773e46fdbd2ed3785d7bb57.ps1
Size

493KB
MD5

4c8015bbc773e46fdbd2ed3785d7bb57
SHA1

64df0b0921bd0c9eb7189c17fe1a7111c34de176
SHA256

9bb9ebda548a1b5411f95a24e4f2b27705473e91033ae6cb158c19eb2cca5908
SHA512

824b2ee4d088340be9a0f589b50bf2ba08540000c99db380bfe9d1a849eb5f01e16f0e650bbadb45d4d89fce6fb2408a597cc6eeae1147ebda353b0305706a7c
SSDEEP

12288:FMBZjw0RJ9u5ILYDxD3fxYehza/tw64Pj:FMn3u

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

103.99.1.60/b11k/

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 1468 set thread context of 3316	1468	powershell.exe	52

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1468	powershell.exe
1468	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1468	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1468 wrote to memory of 3316	1468	powershell.exe	52
PID 1468 wrote to memory of 3316	1468	powershell.exe	52
PID 1468 wrote to memory of 3316	1468	powershell.exe	52
PID 1468 wrote to memory of 3316	1468	powershell.exe	52
PID 1468 wrote to memory of 3316	1468	powershell.exe	52
PID 1468 wrote to memory of 3316	1468	powershell.exe	52
PID 1468 wrote to memory of 3316	1468	powershell.exe	52
PID 1468 wrote to memory of 3316	1468	powershell.exe	52
PID 1468 wrote to memory of 3316	1468	powershell.exe	52

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\4c8015bbc773e46fdbd2ed3785d7bb57.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1468
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #Powershell
  2⤵
  PID:3316

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2pca2tfc.dgu.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1468-14-0x0000013679080000-0x0000013679092000-memory.dmp

Filesize
72KB

Download
memory/1468-12-0x000001365E7F0000-0x000001365E800000-memory.dmp

Filesize
64KB

Download
memory/1468-13-0x000001365E7F0000-0x000001365E800000-memory.dmp

Filesize
64KB

Download
memory/1468-11-0x000001365E7F0000-0x000001365E800000-memory.dmp

Filesize
64KB

Download
memory/1468-10-0x00007FFBE9770000-0x00007FFBEA231000-memory.dmp

Filesize
10.8MB

Download
memory/1468-5-0x0000013678F10000-0x0000013678F32000-memory.dmp

Filesize
136KB

Download
memory/1468-20-0x00007FFBE9770000-0x00007FFBEA231000-memory.dmp

Filesize
10.8MB

Download
memory/3316-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3316-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3316-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3316-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3316-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download