oski | c4b3861c73357c8d2ee9e1d654caa58e7264a0aef4d6f0a1540137b5239236f3

Analysis

max time kernel
136s
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
05-01-2024 06:58

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General

Target

430ca77782734b5bce5c306294a3661e.ps1
Size

706KB
MD5

430ca77782734b5bce5c306294a3661e
SHA1

cd5992a515d5637abac53e1e7e73a6e7bc9e56fe
SHA256

c4b3861c73357c8d2ee9e1d654caa58e7264a0aef4d6f0a1540137b5239236f3
SHA512

425011eae2368f3b8bf9349c89fde0d6bc81ba6249f92e204b3baa9164195ec284c3cf847f9c0fe22ee4eb76c85d23aed245e9bb41d3440b9155be8756490830
SSDEEP

6144:raJpHs+ApelD0TpSXKFlECflUZdAMr9LXoFNihdhUNK/16dBzMeiuoC6GSOxm02:BOAR402

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

103.99.1.60/we/2ky/

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 3160 set thread context of 3968	3160	powershell.exe	91

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3160	powershell.exe
3160	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3160	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3160 wrote to memory of 3968	3160	powershell.exe	91
PID 3160 wrote to memory of 3968	3160	powershell.exe	91
PID 3160 wrote to memory of 3968	3160	powershell.exe	91
PID 3160 wrote to memory of 3968	3160	powershell.exe	91
PID 3160 wrote to memory of 3968	3160	powershell.exe	91
PID 3160 wrote to memory of 3968	3160	powershell.exe	91
PID 3160 wrote to memory of 3968	3160	powershell.exe	91
PID 3160 wrote to memory of 3968	3160	powershell.exe	91
PID 3160 wrote to memory of 3968	3160	powershell.exe	91

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\430ca77782734b5bce5c306294a3661e.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3160
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:3968

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ahfgumhw.j3u.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3160-13-0x0000019E25620000-0x0000019E25630000-memory.dmp

Filesize
64KB

Download
memory/3160-10-0x0000019E27880000-0x0000019E27888000-memory.dmp

Filesize
32KB

Download
memory/3160-11-0x00007FFAFE4B0000-0x00007FFAFEF71000-memory.dmp

Filesize
10.8MB

Download
memory/3160-12-0x0000019E25620000-0x0000019E25630000-memory.dmp

Filesize
64KB

Download
memory/3160-14-0x0000019E25620000-0x0000019E25630000-memory.dmp

Filesize
64KB

Download
memory/3160-9-0x0000019E27710000-0x0000019E27732000-memory.dmp

Filesize
136KB

Download
memory/3160-18-0x00007FFAFE4B0000-0x00007FFAFEF71000-memory.dmp

Filesize
10.8MB

Download
memory/3968-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3968-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3968-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3968-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3968-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download