oski | 38d8fbd43e794ce4168006a4b66203697c5c196e74d8beaa58c8701faabd97ed

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2023 23:51

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

0793fe0c7557d1719be3c1aab37d15d3.ps1
Size

421KB
MD5

0793fe0c7557d1719be3c1aab37d15d3
SHA1

09bb0ef219860de19c7b50d96dac9c9332805720
SHA256

38d8fbd43e794ce4168006a4b66203697c5c196e74d8beaa58c8701faabd97ed
SHA512

a16a2c603d726712f4b15529ce996bae22e361983ca2961f9476199e5fce76f9b93f701361a4585dcbbe89c98c120cf1e140ac461c3863dacac89fbb7166dc3e
SSDEEP

12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw641L68:q3i

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

103.114.107.28/l202/

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 3976 set thread context of 448	3976	powershell.exe	90

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3720	448	WerFault.exe	90

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3976	powershell.exe
3976	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3976	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3976 wrote to memory of 448	3976	powershell.exe	90
PID 3976 wrote to memory of 448	3976	powershell.exe	90
PID 3976 wrote to memory of 448	3976	powershell.exe	90
PID 3976 wrote to memory of 448	3976	powershell.exe	90
PID 3976 wrote to memory of 448	3976	powershell.exe	90
PID 3976 wrote to memory of 448	3976	powershell.exe	90
PID 3976 wrote to memory of 448	3976	powershell.exe	90
PID 3976 wrote to memory of 448	3976	powershell.exe	90
PID 3976 wrote to memory of 448	3976	powershell.exe	90

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\0793fe0c7557d1719be3c1aab37d15d3.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3976
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "{path}"
  2⤵
  PID:448
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 448 -s 1220
    3⤵
    - Program crash
    PID:3720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 448 -ip 448
1⤵
PID:4512

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_e5xq0mew.iff.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/448-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/448-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/448-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/448-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/448-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/448-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3976-10-0x00007FFD37AC0000-0x00007FFD38581000-memory.dmp

Filesize
10.8MB

Download
memory/3976-11-0x0000024962DF0000-0x0000024962E00000-memory.dmp

Filesize
64KB

Download
memory/3976-12-0x0000024962DF0000-0x0000024962E00000-memory.dmp

Filesize
64KB

Download
memory/3976-13-0x0000024962D50000-0x0000024962D5A000-memory.dmp

Filesize
40KB

Download
memory/3976-0-0x00000249636E0000-0x0000024963702000-memory.dmp

Filesize
136KB

Download
memory/3976-18-0x00007FFD37AC0000-0x00007FFD38581000-memory.dmp

Filesize
10.8MB

Download