oski | 608e74643884b5e54701cf0e7a15dbf18ff2a86676f94b118ff1dafa3b4e03dd

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

C2

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 2796 set thread context of 2684	2796	5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe	28

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2200	2684	WerFault.exe	28

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2796 wrote to memory of 2684	2796	5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe	28
PID 2796 wrote to memory of 2684	2796	5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe	28
PID 2796 wrote to memory of 2684	2796	5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe	28
PID 2796 wrote to memory of 2684	2796	5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe	28
PID 2796 wrote to memory of 2684	2796	5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe	28
PID 2796 wrote to memory of 2684	2796	5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe	28
PID 2796 wrote to memory of 2684	2796	5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe	28
PID 2796 wrote to memory of 2684	2796	5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe	28
PID 2796 wrote to memory of 2684	2796	5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe	28
PID 2796 wrote to memory of 2684	2796	5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe	28
PID 2684 wrote to memory of 2200	2684	5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe	30
PID 2684 wrote to memory of 2200	2684	5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe	30
PID 2684 wrote to memory of 2200	2684	5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe	30
PID 2684 wrote to memory of 2200	2684	5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe	30

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:2796
- C:\Users\Admin\AppData\Local\Temp\5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\5249cba6e9ad2cc38bb1dd7fa259e854_JaffaCakes118.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2684
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 868
    3⤵
    - Program crash
    PID:2200

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

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Downloads

memory/2684-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2684-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2684-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2684-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2684-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2684-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2684-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2684-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2684-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2684-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2796-5-0x0000000005150000-0x0000000005190000-memory.dmp

Filesize
256KB

Download
memory/2796-3-0x00000000004B0000-0x00000000004BE000-memory.dmp

Filesize
56KB

Download
memory/2796-0-0x0000000000340000-0x00000000003AE000-memory.dmp

Filesize
440KB

Download
memory/2796-2-0x0000000005150000-0x0000000005190000-memory.dmp

Filesize
256KB

Download
memory/2796-6-0x0000000004470000-0x00000000044CC000-memory.dmp

Filesize
368KB

Download
memory/2796-17-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2796-1-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2796-4-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads