oski | a59fbc4f9903ed18c989e87bc83073b463310ffe6c90a43c53400739719d0aae

General

Target

FLP_1037850047.exe
Size

379KB
MD5

d32bc982566fbb8d81d3012779d3c320
SHA1

74e5c60af59a50757abc29942c888fa43e854204
SHA256

a59fbc4f9903ed18c989e87bc83073b463310ffe6c90a43c53400739719d0aae
SHA512

de6afafb1412a652405072ba6f123383baa55e9287bbbef8a2e9c25edbfdebb6bf9e8aa1834caf386384096ce7eaa3c9dc03b7831f134ad8ccc4c98f066db699

Score

10^/10

oski infostealer spyware stealer

Malware Config

Extracted

Family

oski

C2

duiy.xyz

Signatures

Oski
Oski is an infostealer targeting browser data, crypto wallets.
infostealer oski
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1788 set thread context of 1688	1788	FLP_1037850047.exe	28

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1808	1688	WerFault.exe	28

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1788	FLP_1037850047.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1788	FLP_1037850047.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 1688	1788	FLP_1037850047.exe	28
PID 1788 wrote to memory of 1688	1788	FLP_1037850047.exe	28
PID 1788 wrote to memory of 1688	1788	FLP_1037850047.exe	28
PID 1788 wrote to memory of 1688	1788	FLP_1037850047.exe	28
PID 1788 wrote to memory of 1688	1788	FLP_1037850047.exe	28
PID 1788 wrote to memory of 1688	1788	FLP_1037850047.exe	28
PID 1788 wrote to memory of 1688	1788	FLP_1037850047.exe	28
PID 1788 wrote to memory of 1688	1788	FLP_1037850047.exe	28
PID 1788 wrote to memory of 1688	1788	FLP_1037850047.exe	28
PID 1788 wrote to memory of 1688	1788	FLP_1037850047.exe	28
PID 1688 wrote to memory of 1808	1688	FLP_1037850047.exe	32
PID 1688 wrote to memory of 1808	1688	FLP_1037850047.exe	32
PID 1688 wrote to memory of 1808	1688	FLP_1037850047.exe	32
PID 1688 wrote to memory of 1808	1688	FLP_1037850047.exe	32

C:\Users\Admin\AppData\Local\Temp\FLP_1037850047.exe
"C:\Users\Admin\AppData\Local\Temp\FLP_1037850047.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Users\Admin\AppData\Local\Temp\FLP_1037850047.exe
  C:\Users\Admin\AppData\Local\Temp\FLP_1037850047.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1688
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 792
    3⤵
    - Program crash
    PID:1808

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1688-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1688-72-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1688-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1688-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1688-58-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1688-59-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1688-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1688-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1788-54-0x0000000000970000-0x00000000009D2000-memory.dmp

Filesize
392KB

Download
memory/1788-55-0x00000000001F0000-0x00000000001FA000-memory.dmp

Filesize
40KB

Download
memory/1788-57-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

Filesize
8KB

Download
memory/1788-56-0x0000000000440000-0x0000000000462000-memory.dmp

Filesize
136KB

Download

Analysis

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