oski | dda5d47308c0ebcb2555cda19b4c05a88d633396909456b9ee5fcee42e197724

General

Target

c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe
Size

544KB
MD5

c7ab84a215a60e703e2906f68a1bae13
SHA1

e1e57a74e28d8016f074da9cda4b68ab04b1737f
SHA256

dda5d47308c0ebcb2555cda19b4c05a88d633396909456b9ee5fcee42e197724
SHA512

106b653700a6f6cb9b77738648c71efc1096cf6dea253e49763b5e1e33eb2a29db5a60ae5bfecb9ba5e67dd392b3c6289ec4574219caf89e4a96bc186f097d5e
SSDEEP

12288:8MkzW+vUdJ8GHOdE+aTi4CgaOJju1+MtPQRtIdSB:8LeXRuEjTiwJjuEPdB

Score

10^/10

oski infostealer spyware stealer

Malware Config

Extracted

Family

oski

C2

chrisproperties.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
T1552.001

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2276 set thread context of 2112	2276	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2960	2112	WerFault.exe	29

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2276	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2276	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 2468	2276	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	28
PID 2276 wrote to memory of 2468	2276	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	28
PID 2276 wrote to memory of 2468	2276	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	28
PID 2276 wrote to memory of 2468	2276	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	28
PID 2276 wrote to memory of 2112	2276	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	29
PID 2276 wrote to memory of 2112	2276	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	29
PID 2276 wrote to memory of 2112	2276	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	29
PID 2276 wrote to memory of 2112	2276	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	29
PID 2276 wrote to memory of 2112	2276	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	29
PID 2276 wrote to memory of 2112	2276	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	29
PID 2276 wrote to memory of 2112	2276	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	29
PID 2276 wrote to memory of 2112	2276	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	29
PID 2276 wrote to memory of 2112	2276	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	29
PID 2276 wrote to memory of 2112	2276	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	29
PID 2112 wrote to memory of 2960	2112	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	31
PID 2112 wrote to memory of 2960	2112	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	31
PID 2112 wrote to memory of 2960	2112	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	31
PID 2112 wrote to memory of 2960	2112	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Users\Admin\AppData\Local\Temp\c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe"
  2⤵
  PID:2468
- C:\Users\Admin\AppData\Local\Temp\c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2112
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 880
    3⤵
    - Program crash
    PID:2960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2112-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2112-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2112-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2112-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2112-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2112-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2112-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2112-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2112-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2112-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2276-1-0x0000000073FB0000-0x000000007469E000-memory.dmp

Filesize
6.9MB

Download
memory/2276-6-0x0000000005660000-0x00000000056DE000-memory.dmp

Filesize
504KB

Download
memory/2276-0-0x0000000001140000-0x00000000011CE000-memory.dmp

Filesize
568KB

Download
memory/2276-5-0x0000000004E90000-0x0000000004ED0000-memory.dmp

Filesize
256KB

Download
memory/2276-4-0x0000000073FB0000-0x000000007469E000-memory.dmp

Filesize
6.9MB

Download
memory/2276-21-0x0000000073FB0000-0x000000007469E000-memory.dmp

Filesize
6.9MB

Download
memory/2276-3-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/2276-2-0x0000000004E90000-0x0000000004ED0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing