oski | 382792848f3f8a490036822be4f4fdc0731a60163999a77243eb9332d53f7b00

Analysis

max time kernel
96s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
27-01-2024 15:42

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7aa1d4597d658099f9c75c5ee7208f78.ps1
Size

485KB
MD5

7aa1d4597d658099f9c75c5ee7208f78
SHA1

7463e2abb7d99c9b525dc58e820fbf26d85079b7
SHA256

382792848f3f8a490036822be4f4fdc0731a60163999a77243eb9332d53f7b00
SHA512

a445547daf2344e437f345bf1675ba6cb54634e4a7ed4846cc160c6b0e77404c5b31e76748018954340c1f2fe8b9af810bddacc81112880c3c17e20187b19b59
SSDEEP

12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw644igu:q3tu

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

/103.114.107.28/l22/

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 3960 set thread context of 3208	3960	powershell.exe	89

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3136	3208	WerFault.exe	89

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3960	powershell.exe
3960	powershell.exe
3960	powershell.exe
3960	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3960	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3960 wrote to memory of 4916	3960	powershell.exe	88
PID 3960 wrote to memory of 4916	3960	powershell.exe	88
PID 3960 wrote to memory of 4916	3960	powershell.exe	88
PID 3960 wrote to memory of 3208	3960	powershell.exe	89
PID 3960 wrote to memory of 3208	3960	powershell.exe	89
PID 3960 wrote to memory of 3208	3960	powershell.exe	89
PID 3960 wrote to memory of 3208	3960	powershell.exe	89
PID 3960 wrote to memory of 3208	3960	powershell.exe	89
PID 3960 wrote to memory of 3208	3960	powershell.exe	89
PID 3960 wrote to memory of 3208	3960	powershell.exe	89
PID 3960 wrote to memory of 3208	3960	powershell.exe	89
PID 3960 wrote to memory of 3208	3960	powershell.exe	89

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\7aa1d4597d658099f9c75c5ee7208f78.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3960
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  #cmd
  2⤵
  PID:4916
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  #cmd
  2⤵
  PID:3208
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3208 -s 1108
    3⤵
    - Program crash
    PID:3136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3208 -ip 3208
1⤵
PID:5068

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1sd2f4n5.xyy.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3208-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3208-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3208-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3208-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3208-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3960-11-0x00000237EAE50000-0x00000237EAE60000-memory.dmp

Filesize
64KB

Download
memory/3960-14-0x00000237EB9D0000-0x00000237EB9E2000-memory.dmp

Filesize
72KB

Download
memory/3960-18-0x00007FFC8D900000-0x00007FFC8E3C1000-memory.dmp

Filesize
10.8MB

Download
memory/3960-13-0x00000237EAE50000-0x00000237EAE60000-memory.dmp

Filesize
64KB

Download
memory/3960-12-0x00000237EAE50000-0x00000237EAE60000-memory.dmp

Filesize
64KB

Download
memory/3960-10-0x00007FFC8D900000-0x00007FFC8E3C1000-memory.dmp

Filesize
10.8MB

Download
memory/3960-5-0x00000237EB4F0000-0x00000237EB512000-memory.dmp

Filesize
136KB

Download