oski | 608e74643884b5e54701cf0e7a15dbf18ff2a86676f94b118ff1dafa3b4e03dd

Analysis

max time kernel
146s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
31-03-2024 08:58

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General

Target

5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe
Size

418KB
MD5

5249cba6e9ad2cc38bb1dd7fa259e854
SHA1

518e393a330d5edbb88c4d059df35ecfb634ccb7
SHA256

608e74643884b5e54701cf0e7a15dbf18ff2a86676f94b118ff1dafa3b4e03dd
SHA512

cf1b31bd9cb9358de9b3acbe03222ff90fd0f9ecaca6c4a7bea3f5b97ceae5f60ab06833d6f7dca2fd69798260d9a328145c08aa4189f2fbac5db041b1b9aa16
SSDEEP

6144:Yz3ogwdGRIHLeJs3dfn2Vjcn/Vgth59QFCMSiBtX3Y42Tv25aoZ1Y:YroNdpCJEf2VIn/Vs3SCgrYFkNS

Score

10^/10

oski infostealer spyware stealer

Malware Config

Extracted

Family

oski

samkoproducts.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

Processes:

5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe

description	pid	Process	procid_target
PID 648 set thread context of 2472	648	5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe	96

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2904	2472	WerFault.exe	96

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe

description	pid	Process	procid_target
PID 648 wrote to memory of 2472	648	5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe	96
PID 648 wrote to memory of 2472	648	5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe	96
PID 648 wrote to memory of 2472	648	5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe	96
PID 648 wrote to memory of 2472	648	5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe	96
PID 648 wrote to memory of 2472	648	5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe	96
PID 648 wrote to memory of 2472	648	5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe	96
PID 648 wrote to memory of 2472	648	5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe	96
PID 648 wrote to memory of 2472	648	5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe	96
PID 648 wrote to memory of 2472	648	5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe	96

C:\Users\Admin\AppData\Local\Temp\5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:648
- C:\Users\Admin\AppData\Local\Temp\5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe"
  2⤵
  PID:2472
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2472 -s 1312
    3⤵
    - Program crash
    PID:2904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2472 -ip 2472
1⤵
PID:4532

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/648-8-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/648-4-0x0000000005740000-0x0000000005750000-memory.dmp

Filesize
64KB

Download
memory/648-0-0x0000000000B60000-0x0000000000BCE000-memory.dmp

Filesize
440KB

Download
memory/648-3-0x0000000005570000-0x0000000005602000-memory.dmp

Filesize
584KB

Download
memory/648-9-0x0000000005740000-0x0000000005750000-memory.dmp

Filesize
64KB

Download
memory/648-5-0x0000000005720000-0x000000000572A000-memory.dmp

Filesize
40KB

Download
memory/648-6-0x0000000006D40000-0x0000000006DDC000-memory.dmp

Filesize
624KB

Download
memory/648-10-0x0000000006CA0000-0x0000000006CFC000-memory.dmp

Filesize
368KB

Download
memory/648-2-0x0000000005A80000-0x0000000006024000-memory.dmp

Filesize
5.6MB

Download
memory/648-1-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/648-7-0x00000000059D0000-0x00000000059DE000-memory.dmp

Filesize
56KB

Download
memory/648-16-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/2472-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2472-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2472-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2472-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2472-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download