oski | c66d5ae5f1cc7e8a8c0047e51ce2f5a94de960f63ea2107aaf60bebce75fb2bb

Analysis

max time kernel
157s
max time network
162s
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, 04:50

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General

Target
67b72b574b52873730e274250feef9ed.ps1
Size 421KB
Sample231222-fgbdtagee3
SHA256 c66d5ae5f1cc7e8a8c0047e51ce2f5a94de960f63ea2107aaf60bebce75fb2bb
MD5 67b72b574b52873730e274250feef9ed
SHA1 ef44d31846ad814cd2d7cf20ce071bdd2d4eac41
SHA512 67babcc41723ef944a90463ba65fc20ec1cac472f98b5c84942dfa58af004097333d762a9147fa6fd7956fec9febf60fb3e916c73ceba83e50c5a4d187f45617
SSDEEP 12288:+Zjw0RJ9u5ILYDxD3fxYehza/tw64eL68:q3N
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

103.114.107.28/l3/

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 2816 set thread context of 2864	2816	powershell.exe	89

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2816	powershell.exe
2816	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2816	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 2864	2816	powershell.exe	89
PID 2816 wrote to memory of 2864	2816	powershell.exe	89
PID 2816 wrote to memory of 2864	2816	powershell.exe	89
PID 2816 wrote to memory of 2864	2816	powershell.exe	89
PID 2816 wrote to memory of 2864	2816	powershell.exe	89
PID 2816 wrote to memory of 2864	2816	powershell.exe	89
PID 2816 wrote to memory of 2864	2816	powershell.exe	89
PID 2816 wrote to memory of 2864	2816	powershell.exe	89
PID 2816 wrote to memory of 2864	2816	powershell.exe	89

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\67b72b574b52873730e274250feef9ed.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "{path}"
  2⤵
  PID:2864

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

__PSScriptPolicyTest_t5elkrw5.rgp.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_t5elkrw5.rgp.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/2816-0-0x0000025EF0AA0000-0x0000025EF0AC2000-memory.dmp

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memory/2816-10-0x00007FF994250000-0x00007FF994D11000-memory.dmp

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memory/2816-12-0x0000025ED7BE0000-0x0000025ED7BF0000-memory.dmp

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memory/2816-11-0x0000025ED7BE0000-0x0000025ED7BF0000-memory.dmp

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memory/2816-13-0x0000025EF0E40000-0x0000025EF0E4A000-memory.dmp

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memory/2816-19-0x00007FF994250000-0x00007FF994D11000-memory.dmp

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memory/2864-14-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/2864-17-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/2864-18-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/2864-20-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/2864-21-0x0000000000400000-0x0000000000438000-memory.dmp

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