oski | fdfc54fbb4bbccd4470385a3d75674eb977139c6279af9bd6000d065fd0d575b

Analysis

max time kernel
149s
max time network
149s
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 12:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8c25a3a8169f7372c33ccb7233d269a5.ps1
Size

485KB
MD5

8c25a3a8169f7372c33ccb7233d269a5
SHA1

830adc70f65a341b113f1d651017b751cdc55ac4
SHA256

fdfc54fbb4bbccd4470385a3d75674eb977139c6279af9bd6000d065fd0d575b
SHA512

3573c8bc001d94c8f256f55979852c4a35ef1a7dcbe8a93171981226be63aa21521101ba6abb29d83ad4c7f1dd579d27cf9b21d43853267060f6562b1deb3d86
SSDEEP

12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64aigu:q33u

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

103.114.107.28/l17/

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 3508 set thread context of 4996	3508	powershell.exe	95

Program crash 1 IoCs

pid	pid_target	Process	procid_target
940	4996	WerFault.exe	95

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3508	powershell.exe
3508	powershell.exe
3508	powershell.exe
3508	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3508	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3508 wrote to memory of 2112	3508	powershell.exe	94
PID 3508 wrote to memory of 2112	3508	powershell.exe	94
PID 3508 wrote to memory of 2112	3508	powershell.exe	94
PID 3508 wrote to memory of 4996	3508	powershell.exe	95
PID 3508 wrote to memory of 4996	3508	powershell.exe	95
PID 3508 wrote to memory of 4996	3508	powershell.exe	95
PID 3508 wrote to memory of 4996	3508	powershell.exe	95
PID 3508 wrote to memory of 4996	3508	powershell.exe	95
PID 3508 wrote to memory of 4996	3508	powershell.exe	95
PID 3508 wrote to memory of 4996	3508	powershell.exe	95
PID 3508 wrote to memory of 4996	3508	powershell.exe	95
PID 3508 wrote to memory of 4996	3508	powershell.exe	95

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\8c25a3a8169f7372c33ccb7233d269a5.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3508
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  #cmd
  2⤵
  PID:2112
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  #cmd
  2⤵
  PID:4996
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 1244
    3⤵
    - Program crash
    PID:940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4996 -ip 4996
1⤵
PID:8

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_e53avas0.uja.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3508-18-0x00007FFFAAD70000-0x00007FFFAB831000-memory.dmp

Filesize
10.8MB

Download
memory/3508-10-0x00007FFFAAD70000-0x00007FFFAB831000-memory.dmp

Filesize
10.8MB

Download
memory/3508-11-0x0000021D63860000-0x0000021D63870000-memory.dmp

Filesize
64KB

Download
memory/3508-12-0x0000021D63860000-0x0000021D63870000-memory.dmp

Filesize
64KB

Download
memory/3508-13-0x0000021D65CC0000-0x0000021D65CD2000-memory.dmp

Filesize
72KB

Download
memory/3508-9-0x0000021D65A90000-0x0000021D65AB2000-memory.dmp

Filesize
136KB

Download
memory/4996-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4996-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4996-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4996-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4996-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4996-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download