oski | f97f6b0ddaeec2698ad2d2403031fab366438bc8a046a7d29b3f0ae801c41f37

Analysis

max time kernel
151s
max time network
174s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2024 17:16

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General

Target

3e8e29ab05cb639a6400da227edcb95d.exe
Size

801KB
MD5

3e8e29ab05cb639a6400da227edcb95d
SHA1

2025890310d262b7ed6a9ef278ad31451408e497
SHA256

f97f6b0ddaeec2698ad2d2403031fab366438bc8a046a7d29b3f0ae801c41f37
SHA512

306f5b94f8a91021cf60acde59059089c392b0a89082a1de881dc6974bbd8d21416a117574ae24882aa203aa99473e83bc369887880d422f866b646ae2450dba
SSDEEP

12288:4ooR65AXwgFvuSSPsLk0mvqc/YZUKQ4cnXbbb9qnkMqIwaCYKQYFCD8:JoR6qgnvq+n74+DokMqZFvtCY

Score

10^/10

oski infostealer spyware stealer

Malware Config

Extracted

Family

oski

marbellacabs.com/hao/

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
T1552.001

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 908 set thread context of 4052	908	3e8e29ab05cb639a6400da227edcb95d.exe	103

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1840	4052	WerFault.exe	103

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
908	3e8e29ab05cb639a6400da227edcb95d.exe
908	3e8e29ab05cb639a6400da227edcb95d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	908	3e8e29ab05cb639a6400da227edcb95d.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 908 wrote to memory of 4052	908	3e8e29ab05cb639a6400da227edcb95d.exe	103
PID 908 wrote to memory of 4052	908	3e8e29ab05cb639a6400da227edcb95d.exe	103
PID 908 wrote to memory of 4052	908	3e8e29ab05cb639a6400da227edcb95d.exe	103
PID 908 wrote to memory of 4052	908	3e8e29ab05cb639a6400da227edcb95d.exe	103
PID 908 wrote to memory of 4052	908	3e8e29ab05cb639a6400da227edcb95d.exe	103
PID 908 wrote to memory of 4052	908	3e8e29ab05cb639a6400da227edcb95d.exe	103
PID 908 wrote to memory of 4052	908	3e8e29ab05cb639a6400da227edcb95d.exe	103
PID 908 wrote to memory of 4052	908	3e8e29ab05cb639a6400da227edcb95d.exe	103
PID 908 wrote to memory of 4052	908	3e8e29ab05cb639a6400da227edcb95d.exe	103

C:\Users\Admin\AppData\Local\Temp\3e8e29ab05cb639a6400da227edcb95d.exe
"C:\Users\Admin\AppData\Local\Temp\3e8e29ab05cb639a6400da227edcb95d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:908
- C:\Users\Admin\AppData\Local\Temp\3e8e29ab05cb639a6400da227edcb95d.exe
  "C:\Users\Admin\AppData\Local\Temp\3e8e29ab05cb639a6400da227edcb95d.exe"
  2⤵
  PID:4052
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4052 -s 1284
    3⤵
    - Program crash
    PID:1840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4052 -ip 4052
1⤵
PID:3240

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/908-8-0x0000000005170000-0x000000000518A000-memory.dmp

Filesize
104KB

Download
memory/908-7-0x0000000004EA0000-0x0000000004EF6000-memory.dmp

Filesize
344KB

Download
memory/908-0-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/908-3-0x0000000005220000-0x00000000057C4000-memory.dmp

Filesize
5.6MB

Download
memory/908-4-0x0000000004D10000-0x0000000004DA2000-memory.dmp

Filesize
584KB

Download
memory/908-5-0x0000000004F20000-0x0000000004F30000-memory.dmp

Filesize
64KB

Download
memory/908-6-0x0000000004C30000-0x0000000004C3A000-memory.dmp

Filesize
40KB

Download
memory/908-18-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/908-1-0x00000000000E0000-0x00000000001AE000-memory.dmp

Filesize
824KB

Download
memory/908-2-0x0000000004B30000-0x0000000004BCC000-memory.dmp

Filesize
624KB

Download
memory/908-11-0x0000000008A20000-0x0000000008AB8000-memory.dmp

Filesize
608KB

Download
memory/908-10-0x0000000004F20000-0x0000000004F30000-memory.dmp

Filesize
64KB

Download
memory/908-12-0x000000000AE40000-0x000000000AE78000-memory.dmp

Filesize
224KB

Download
memory/908-9-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/4052-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4052-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4052-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4052-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4052-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download