oski | f8973553be49784e769a41bd24358bfc076427c3004773161c479013f7b4aa87

General

Target

e2e0a441291c5f7201101cf266aa2fc0.ps1
Size

656KB
MD5

e2e0a441291c5f7201101cf266aa2fc0
SHA1

fb41b0dd8b9c9bb363ab9eebbb9ccf78508fab78
SHA256

f8973553be49784e769a41bd24358bfc076427c3004773161c479013f7b4aa87
SHA512

a43816d2755b4691b2de6b76718c1918e90796a1c6cfc21faf66ad8c0bbde0b3e740c7a43608c3bce76f3c37f55f60a8df6599e66b14d27c3c88c03340f8fde0
SSDEEP

12288:EZjw0RJ9u5ILYDxD3fxYehza/tw64E8TVkc5A+:g3ITmr+

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

C2

/103.114.107.28/l2121/

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 2392 set thread context of 1576	2392	powershell.exe	92

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3352	1576	WerFault.exe	92

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2392	powershell.exe
2392	powershell.exe
2392	powershell.exe
2392	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2392	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 3720	2392	powershell.exe	93
PID 2392 wrote to memory of 3720	2392	powershell.exe	93
PID 2392 wrote to memory of 3720	2392	powershell.exe	93
PID 2392 wrote to memory of 1576	2392	powershell.exe	92
PID 2392 wrote to memory of 1576	2392	powershell.exe	92
PID 2392 wrote to memory of 1576	2392	powershell.exe	92
PID 2392 wrote to memory of 1576	2392	powershell.exe	92
PID 2392 wrote to memory of 1576	2392	powershell.exe	92
PID 2392 wrote to memory of 1576	2392	powershell.exe	92
PID 2392 wrote to memory of 1576	2392	powershell.exe	92
PID 2392 wrote to memory of 1576	2392	powershell.exe	92
PID 2392 wrote to memory of 1576	2392	powershell.exe	92

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\e2e0a441291c5f7201101cf266aa2fc0.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #cmd
  2⤵
  PID:1576
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1576 -s 1128
    3⤵
    - Program crash
    PID:3352
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #cmd
  2⤵
  PID:3720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1576 -ip 1576
1⤵
PID:4368

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5ptez2xb.rop.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1576-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1576-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1576-55-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1576-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1576-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2392-49-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

Filesize
128KB

Download
memory/2392-37-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

Filesize
128KB

Download
memory/2392-13-0x00000152E85B0000-0x00000152E85D6000-memory.dmp

Filesize
152KB

Download
memory/2392-11-0x00000152E85F0000-0x00000152E8600000-memory.dmp

Filesize
64KB

Download
memory/2392-60-0x00007FF89CE00000-0x00007FF89D8C1000-memory.dmp

Filesize
10.8MB

Download
memory/2392-58-0x00000152E85F0000-0x00000152E8600000-memory.dmp

Filesize
64KB

Download
memory/2392-12-0x00000152E85F0000-0x00000152E8600000-memory.dmp

Filesize
64KB

Download
memory/2392-54-0x00000152D01B0000-0x00000152D01B1000-memory.dmp

Filesize
4KB

Download
memory/2392-53-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

Filesize
128KB

Download
memory/2392-51-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

Filesize
128KB

Download
memory/2392-10-0x00007FF89CE00000-0x00007FF89D8C1000-memory.dmp

Filesize
10.8MB

Download
memory/2392-47-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

Filesize
128KB

Download
memory/2392-45-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

Filesize
128KB

Download
memory/2392-41-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

Filesize
128KB

Download
memory/2392-39-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

Filesize
128KB

Download
memory/2392-43-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

Filesize
128KB

Download
memory/2392-35-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

Filesize
128KB

Download
memory/2392-33-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

Filesize
128KB

Download
memory/2392-31-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

Filesize
128KB

Download
memory/2392-29-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

Filesize
128KB

Download
memory/2392-27-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

Filesize
128KB

Download
memory/2392-25-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

Filesize
128KB

Download
memory/2392-23-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

Filesize
128KB

Download
memory/2392-21-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

Filesize
128KB

Download
memory/2392-19-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

Filesize
128KB

Download
memory/2392-17-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

Filesize
128KB

Download
memory/2392-9-0x00000152E8580000-0x00000152E85A2000-memory.dmp

Filesize
136KB

Download
memory/2392-15-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

Filesize
128KB

Download
memory/2392-14-0x00000152E85B0000-0x00000152E85D0000-memory.dmp

Filesize
128KB

Download

Analysis

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