oski | 630bd9245f6c1646f93d771c7971e66ea4b3b07155b8273403c70f1f8f823d95

Analysis

max time kernel
150s
max time network
155s
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 13:13

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General

Target

9c3179a6730b4c6c3a31d82f3aa2f8c3.ps1
Size

421KB
MD5

9c3179a6730b4c6c3a31d82f3aa2f8c3
SHA1

e944baff2c35d4e4fe181192e9f9a0596f34ee2a
SHA256

630bd9245f6c1646f93d771c7971e66ea4b3b07155b8273403c70f1f8f823d95
SHA512

67fab2c78240e14ee1b0aa526a113c26f6d802094a5268c8ae81dc0101286733616131a2373b61c07c9f44016e4486da48e991d31324c493b60d8d3657cc54a4
SSDEEP

12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64SL68:q3d

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

103.114.107.28/l20/

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 3364 set thread context of 1580	3364	powershell.exe	92

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3364	powershell.exe
3364	powershell.exe
3364	powershell.exe
3364	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3364	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3364 wrote to memory of 680	3364	powershell.exe	91
PID 3364 wrote to memory of 680	3364	powershell.exe	91
PID 3364 wrote to memory of 680	3364	powershell.exe	91
PID 3364 wrote to memory of 1580	3364	powershell.exe	92
PID 3364 wrote to memory of 1580	3364	powershell.exe	92
PID 3364 wrote to memory of 1580	3364	powershell.exe	92
PID 3364 wrote to memory of 1580	3364	powershell.exe	92
PID 3364 wrote to memory of 1580	3364	powershell.exe	92
PID 3364 wrote to memory of 1580	3364	powershell.exe	92
PID 3364 wrote to memory of 1580	3364	powershell.exe	92
PID 3364 wrote to memory of 1580	3364	powershell.exe	92
PID 3364 wrote to memory of 1580	3364	powershell.exe	92

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\9c3179a6730b4c6c3a31d82f3aa2f8c3.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3364
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "{path}"
  2⤵
  PID:680
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "{path}"
  2⤵
  PID:1580

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_k5rj5zrm.4tj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1580-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1580-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1580-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1580-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1580-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3364-14-0x00000172D8AC0000-0x00000172D8ACA000-memory.dmp

Filesize
40KB

Download
memory/3364-0-0x00000172D8950000-0x00000172D8972000-memory.dmp

Filesize
136KB

Download
memory/3364-13-0x00000172D6860000-0x00000172D6870000-memory.dmp

Filesize
64KB

Download
memory/3364-19-0x00007FFBE5710000-0x00007FFBE61D1000-memory.dmp

Filesize
10.8MB

Download
memory/3364-12-0x00000172D6860000-0x00000172D6870000-memory.dmp

Filesize
64KB

Download
memory/3364-11-0x00000172D6860000-0x00000172D6870000-memory.dmp

Filesize
64KB

Download
memory/3364-10-0x00007FFBE5710000-0x00007FFBE61D1000-memory.dmp

Filesize
10.8MB

Download