oski | dda5d47308c0ebcb2555cda19b4c05a88d633396909456b9ee5fcee42e197724

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/04/2024, 01:56

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

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

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 216 set thread context of 2820	216	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	97

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4372	2820	WerFault.exe	97

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 216 wrote to memory of 2820	216	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	97
PID 216 wrote to memory of 2820	216	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	97
PID 216 wrote to memory of 2820	216	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	97
PID 216 wrote to memory of 2820	216	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	97
PID 216 wrote to memory of 2820	216	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	97
PID 216 wrote to memory of 2820	216	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	97
PID 216 wrote to memory of 2820	216	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	97
PID 216 wrote to memory of 2820	216	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	97
PID 216 wrote to memory of 2820	216	c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe	97

C:\Users\Admin\AppData\Local\Temp\c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:216
- C:\Users\Admin\AppData\Local\Temp\c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c7ab84a215a60e703e2906f68a1bae13_JaffaCakes118.exe"
  2⤵
  PID:2820
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2820 -s 1240
    3⤵
    - Program crash
    PID:4372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2820 -ip 2820
1⤵
PID:4608

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

Loading Replay Monitor...

Downloads

memory/216-8-0x0000000005980000-0x0000000005990000-memory.dmp

Filesize
64KB

Download
memory/216-9-0x0000000006F90000-0x000000000702C000-memory.dmp

Filesize
624KB

Download
memory/216-2-0x0000000005CB0000-0x0000000006254000-memory.dmp

Filesize
5.6MB

Download
memory/216-3-0x0000000005700000-0x0000000005792000-memory.dmp

Filesize
584KB

Download
memory/216-4-0x0000000005980000-0x0000000005990000-memory.dmp

Filesize
64KB

Download
memory/216-5-0x0000000005810000-0x000000000581A000-memory.dmp

Filesize
40KB

Download
memory/216-6-0x0000000005930000-0x000000000593A000-memory.dmp

Filesize
40KB

Download
memory/216-7-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/216-1-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/216-10-0x0000000007120000-0x000000000719E000-memory.dmp

Filesize
504KB

Download
memory/216-0-0x0000000000D80000-0x0000000000E0E000-memory.dmp

Filesize
568KB

Download
memory/216-16-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/2820-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2820-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2820-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2820-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2820-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download