oski | 983594ed65e67379223bb39d0205948c679bca82fff8018080e7e8aa01aa1fbb

General

Target

91bf601ab3b4c07416e308248528e8f1.ps1
Size

656KB
MD5

91bf601ab3b4c07416e308248528e8f1
SHA1

79680965ebe4b084fe04c874365030bff782839b
SHA256

983594ed65e67379223bb39d0205948c679bca82fff8018080e7e8aa01aa1fbb
SHA512

a17cc6cb23ae5d63f0ae486b2129b24a55d42b2152f346198781612ccb9a0d8874e553516ade6480de3571599655f9e9d5013706b1d122beeb5ee6459ee423e1
SSDEEP

12288:EZjw0RJ9u5ILYDxD3fxYehza/tw64b8TVkc5A+:g3dTmr+

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

C2

/103.114.107.28/l38/

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 3244 set thread context of 2684	3244	powershell.exe	92

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3212	2684	WerFault.exe	92

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3244	powershell.exe
3244	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3244	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3244 wrote to memory of 2684	3244	powershell.exe	92
PID 3244 wrote to memory of 2684	3244	powershell.exe	92
PID 3244 wrote to memory of 2684	3244	powershell.exe	92
PID 3244 wrote to memory of 2684	3244	powershell.exe	92
PID 3244 wrote to memory of 2684	3244	powershell.exe	92
PID 3244 wrote to memory of 2684	3244	powershell.exe	92
PID 3244 wrote to memory of 2684	3244	powershell.exe	92
PID 3244 wrote to memory of 2684	3244	powershell.exe	92
PID 3244 wrote to memory of 2684	3244	powershell.exe	92

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\91bf601ab3b4c07416e308248528e8f1.ps1
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3244
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  #cmd
  2⤵
  PID:2684
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 1076
    3⤵
    - Program crash
    PID:3212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2684 -ip 2684
1⤵
PID:4852

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rkm5mmaw.fq0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2684-55-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2684-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2684-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2684-60-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2684-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3244-61-0x00007FFFD7B70000-0x00007FFFD8631000-memory.dmp

Filesize
10.8MB

Download
memory/3244-43-0x0000021134E90000-0x0000021134EB0000-memory.dmp

Filesize
128KB

Download
memory/3244-17-0x0000021134E90000-0x0000021134EB0000-memory.dmp

Filesize
128KB

Download
memory/3244-47-0x0000021134E90000-0x0000021134EB0000-memory.dmp

Filesize
128KB

Download
memory/3244-54-0x0000021134D80000-0x0000021134D81000-memory.dmp

Filesize
4KB

Download
memory/3244-15-0x0000021134E90000-0x0000021134EB0000-memory.dmp

Filesize
128KB

Download
memory/3244-13-0x0000021134E90000-0x0000021134EB6000-memory.dmp

Filesize
152KB

Download
memory/3244-56-0x0000021134E80000-0x0000021134E90000-memory.dmp

Filesize
64KB

Download
memory/3244-11-0x0000021134E80000-0x0000021134E90000-memory.dmp

Filesize
64KB

Download
memory/3244-12-0x0000021134E80000-0x0000021134E90000-memory.dmp

Filesize
64KB

Download
memory/3244-10-0x00007FFFD7B70000-0x00007FFFD8631000-memory.dmp

Filesize
10.8MB

Download
memory/3244-53-0x0000021134E90000-0x0000021134EB0000-memory.dmp

Filesize
128KB

Download
memory/3244-51-0x0000021134E90000-0x0000021134EB0000-memory.dmp

Filesize
128KB

Download
memory/3244-49-0x0000021134E90000-0x0000021134EB0000-memory.dmp

Filesize
128KB

Download
memory/3244-45-0x0000021134E90000-0x0000021134EB0000-memory.dmp

Filesize
128KB

Download
memory/3244-14-0x0000021134E90000-0x0000021134EB0000-memory.dmp

Filesize
128KB

Download
memory/3244-41-0x0000021134E90000-0x0000021134EB0000-memory.dmp

Filesize
128KB

Download
memory/3244-39-0x0000021134E90000-0x0000021134EB0000-memory.dmp

Filesize
128KB

Download
memory/3244-37-0x0000021134E90000-0x0000021134EB0000-memory.dmp

Filesize
128KB

Download
memory/3244-35-0x0000021134E90000-0x0000021134EB0000-memory.dmp

Filesize
128KB

Download
memory/3244-33-0x0000021134E90000-0x0000021134EB0000-memory.dmp

Filesize
128KB

Download
memory/3244-31-0x0000021134E90000-0x0000021134EB0000-memory.dmp

Filesize
128KB

Download
memory/3244-29-0x0000021134E90000-0x0000021134EB0000-memory.dmp

Filesize
128KB

Download
memory/3244-27-0x0000021134E90000-0x0000021134EB0000-memory.dmp

Filesize
128KB

Download
memory/3244-25-0x0000021134E90000-0x0000021134EB0000-memory.dmp

Filesize
128KB

Download
memory/3244-23-0x0000021134E90000-0x0000021134EB0000-memory.dmp

Filesize
128KB

Download
memory/3244-21-0x0000021134E90000-0x0000021134EB0000-memory.dmp

Filesize
128KB

Download
memory/3244-19-0x0000021134E90000-0x0000021134EB0000-memory.dmp

Filesize
128KB

Download
memory/3244-9-0x000002114F7C0000-0x000002114F7E2000-memory.dmp

Filesize
136KB

Download

Analysis

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