oski | c842d544f43cc4768ee7566cec5c6f7c5bdcff367f616d8f195fc1908c2b955e

General

Target

32a1564f7474be62da3d73e7c4ea4fb5.ps1
Size

656KB
MD5

32a1564f7474be62da3d73e7c4ea4fb5
SHA1

c173f0239e2f823112c10cb19265ddad06dd57d8
SHA256

c842d544f43cc4768ee7566cec5c6f7c5bdcff367f616d8f195fc1908c2b955e
SHA512

deddf99783282405c89005d5d230745027b328d55e5f804671fc56b4f7e84e5081cbe32ad4c25538a8be6a1013ea7575ca23ac78c5e58f02ca1b71c3f902b5cd
SSDEEP

12288:EZjw0RJ9u5ILYDxD3fxYehza/tw64y8TVkc5A+:g3+Tmr+

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

C2

103.114.107.28/l7/

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 3532 set thread context of 1272	3532	powershell.exe	95

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3360	1272	WerFault.exe	95

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3532	powershell.exe
3532	powershell.exe
3532	powershell.exe
3532	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3532	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3532 wrote to memory of 1532	3532	powershell.exe	94
PID 3532 wrote to memory of 1532	3532	powershell.exe	94
PID 3532 wrote to memory of 1532	3532	powershell.exe	94
PID 3532 wrote to memory of 1272	3532	powershell.exe	95
PID 3532 wrote to memory of 1272	3532	powershell.exe	95
PID 3532 wrote to memory of 1272	3532	powershell.exe	95
PID 3532 wrote to memory of 1272	3532	powershell.exe	95
PID 3532 wrote to memory of 1272	3532	powershell.exe	95
PID 3532 wrote to memory of 1272	3532	powershell.exe	95
PID 3532 wrote to memory of 1272	3532	powershell.exe	95
PID 3532 wrote to memory of 1272	3532	powershell.exe	95
PID 3532 wrote to memory of 1272	3532	powershell.exe	95

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\32a1564f7474be62da3d73e7c4ea4fb5.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3532
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #cmd
  2⤵
  PID:1532
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #cmd
  2⤵
  PID:1272
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1272 -s 904
    3⤵
    - Program crash
    PID:3360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1272 -ip 1272
1⤵
PID:4972

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lzyymcvm.wxq.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1272-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1272-66-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1272-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1272-55-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1272-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1272-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3532-49-0x0000020EF02F0000-0x0000020EF0310000-memory.dmp

Filesize
128KB

Download
memory/3532-39-0x0000020EF02F0000-0x0000020EF0310000-memory.dmp

Filesize
128KB

Download
memory/3532-17-0x0000020EF02F0000-0x0000020EF0310000-memory.dmp

Filesize
128KB

Download
memory/3532-19-0x0000020EF02F0000-0x0000020EF0310000-memory.dmp

Filesize
128KB

Download
memory/3532-61-0x00007FF9862C0000-0x00007FF986D81000-memory.dmp

Filesize
10.8MB

Download
memory/3532-13-0x0000020EF02F0000-0x0000020EF0316000-memory.dmp

Filesize
152KB

Download
memory/3532-56-0x0000020EF0320000-0x0000020EF0330000-memory.dmp

Filesize
64KB

Download
memory/3532-12-0x0000020EF0320000-0x0000020EF0330000-memory.dmp

Filesize
64KB

Download
memory/3532-54-0x0000020EF0310000-0x0000020EF0311000-memory.dmp

Filesize
4KB

Download
memory/3532-53-0x0000020EF02F0000-0x0000020EF0310000-memory.dmp

Filesize
128KB

Download
memory/3532-51-0x0000020EF02F0000-0x0000020EF0310000-memory.dmp

Filesize
128KB

Download
memory/3532-1-0x0000020EF0220000-0x0000020EF0242000-memory.dmp

Filesize
136KB

Download
memory/3532-45-0x0000020EF02F0000-0x0000020EF0310000-memory.dmp

Filesize
128KB

Download
memory/3532-43-0x0000020EF02F0000-0x0000020EF0310000-memory.dmp

Filesize
128KB

Download
memory/3532-41-0x0000020EF02F0000-0x0000020EF0310000-memory.dmp

Filesize
128KB

Download
memory/3532-47-0x0000020EF02F0000-0x0000020EF0310000-memory.dmp

Filesize
128KB

Download
memory/3532-37-0x0000020EF02F0000-0x0000020EF0310000-memory.dmp

Filesize
128KB

Download
memory/3532-35-0x0000020EF02F0000-0x0000020EF0310000-memory.dmp

Filesize
128KB

Download
memory/3532-33-0x0000020EF02F0000-0x0000020EF0310000-memory.dmp

Filesize
128KB

Download
memory/3532-31-0x0000020EF02F0000-0x0000020EF0310000-memory.dmp

Filesize
128KB

Download
memory/3532-29-0x0000020EF02F0000-0x0000020EF0310000-memory.dmp

Filesize
128KB

Download
memory/3532-27-0x0000020EF02F0000-0x0000020EF0310000-memory.dmp

Filesize
128KB

Download
memory/3532-25-0x0000020EF02F0000-0x0000020EF0310000-memory.dmp

Filesize
128KB

Download
memory/3532-23-0x0000020EF02F0000-0x0000020EF0310000-memory.dmp

Filesize
128KB

Download
memory/3532-21-0x0000020EF02F0000-0x0000020EF0310000-memory.dmp

Filesize
128KB

Download
memory/3532-15-0x0000020EF02F0000-0x0000020EF0310000-memory.dmp

Filesize
128KB

Download
memory/3532-14-0x0000020EF02F0000-0x0000020EF0310000-memory.dmp

Filesize
128KB

Download
memory/3532-11-0x0000020EF0320000-0x0000020EF0330000-memory.dmp

Filesize
64KB

Download
memory/3532-10-0x00007FF9862C0000-0x00007FF986D81000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing