oski | 5fac5223ded981c62838cd0e50bf4d53f4bb46286662be235fb59424f040e00c

General

Target

7ad581d76c337e128d9cfd945e93b4f7.ps1
Size

656KB
MD5

7ad581d76c337e128d9cfd945e93b4f7
SHA1

b839c599cfd4d7d5abea7c233a941c927ac9c57e
SHA256

5fac5223ded981c62838cd0e50bf4d53f4bb46286662be235fb59424f040e00c
SHA512

9e4daef90dcfd26776e15dcca0ab83b11e070d021040116cb25e814f5246882dc67ad6387a34e04ae86f8d784f4bbe8e63a1d58a272b741e459d6d87e0ea26d5
SSDEEP

12288:EZjw0RJ9u5ILYDxD3fxYehza/tw64t8TVkc5A+:g3LTmr+

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

C2

/103.114.107.28/l404/

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 3288 set thread context of 3744	3288	powershell.exe	34

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4724	3744	WerFault.exe	34

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3288	powershell.exe
3288	powershell.exe
3288	powershell.exe
3288	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3288	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3288 wrote to memory of 4568	3288	powershell.exe	35
PID 3288 wrote to memory of 4568	3288	powershell.exe	35
PID 3288 wrote to memory of 4568	3288	powershell.exe	35
PID 3288 wrote to memory of 3744	3288	powershell.exe	34
PID 3288 wrote to memory of 3744	3288	powershell.exe	34
PID 3288 wrote to memory of 3744	3288	powershell.exe	34
PID 3288 wrote to memory of 3744	3288	powershell.exe	34
PID 3288 wrote to memory of 3744	3288	powershell.exe	34
PID 3288 wrote to memory of 3744	3288	powershell.exe	34
PID 3288 wrote to memory of 3744	3288	powershell.exe	34
PID 3288 wrote to memory of 3744	3288	powershell.exe	34
PID 3288 wrote to memory of 3744	3288	powershell.exe	34

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\7ad581d76c337e128d9cfd945e93b4f7.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3288
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #cmd
  2⤵
  PID:3744
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3744 -s 1100
    3⤵
    - Program crash
    PID:4724
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #cmd
  2⤵
  PID:4568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3744 -ip 3744
1⤵
PID:1460

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ngqo2zu4.mnb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3288-54-0x00000271DABC0000-0x00000271DABC1000-memory.dmp

Filesize
4KB

Download
memory/3288-43-0x00000271F3020000-0x00000271F3040000-memory.dmp

Filesize
128KB

Download
memory/3288-9-0x00000271F5230000-0x00000271F5252000-memory.dmp

Filesize
136KB

Download
memory/3288-12-0x00000271F3040000-0x00000271F3050000-memory.dmp

Filesize
64KB

Download
memory/3288-51-0x00000271F3020000-0x00000271F3040000-memory.dmp

Filesize
128KB

Download
memory/3288-19-0x00000271F3020000-0x00000271F3040000-memory.dmp

Filesize
128KB

Download
memory/3288-33-0x00000271F3020000-0x00000271F3040000-memory.dmp

Filesize
128KB

Download
memory/3288-49-0x00000271F3020000-0x00000271F3040000-memory.dmp

Filesize
128KB

Download
memory/3288-53-0x00000271F3020000-0x00000271F3040000-memory.dmp

Filesize
128KB

Download
memory/3288-47-0x00000271F3020000-0x00000271F3040000-memory.dmp

Filesize
128KB

Download
memory/3288-15-0x00000271F3020000-0x00000271F3040000-memory.dmp

Filesize
128KB

Download
memory/3288-14-0x00000271F3020000-0x00000271F3040000-memory.dmp

Filesize
128KB

Download
memory/3288-61-0x00007FFBE3900000-0x00007FFBE43C1000-memory.dmp

Filesize
10.8MB

Download
memory/3288-56-0x00000271F3040000-0x00000271F3050000-memory.dmp

Filesize
64KB

Download
memory/3288-17-0x00000271F3020000-0x00000271F3040000-memory.dmp

Filesize
128KB

Download
memory/3288-10-0x00007FFBE3900000-0x00007FFBE43C1000-memory.dmp

Filesize
10.8MB

Download
memory/3288-13-0x00000271F3020000-0x00000271F3046000-memory.dmp

Filesize
152KB

Download
memory/3288-11-0x00000271F3040000-0x00000271F3050000-memory.dmp

Filesize
64KB

Download
memory/3288-21-0x00000271F3020000-0x00000271F3040000-memory.dmp

Filesize
128KB

Download
memory/3288-45-0x00000271F3020000-0x00000271F3040000-memory.dmp

Filesize
128KB

Download
memory/3288-41-0x00000271F3020000-0x00000271F3040000-memory.dmp

Filesize
128KB

Download
memory/3288-39-0x00000271F3020000-0x00000271F3040000-memory.dmp

Filesize
128KB

Download
memory/3288-37-0x00000271F3020000-0x00000271F3040000-memory.dmp

Filesize
128KB

Download
memory/3288-35-0x00000271F3020000-0x00000271F3040000-memory.dmp

Filesize
128KB

Download
memory/3288-31-0x00000271F3020000-0x00000271F3040000-memory.dmp

Filesize
128KB

Download
memory/3288-29-0x00000271F3020000-0x00000271F3040000-memory.dmp

Filesize
128KB

Download
memory/3288-27-0x00000271F3020000-0x00000271F3040000-memory.dmp

Filesize
128KB

Download
memory/3288-25-0x00000271F3020000-0x00000271F3040000-memory.dmp

Filesize
128KB

Download
memory/3288-23-0x00000271F3020000-0x00000271F3040000-memory.dmp

Filesize
128KB

Download
memory/3744-57-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3744-55-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3744-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3744-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3744-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

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