oski | 652ff7f52f0e2d6bdd5a0f36f4b24c4dafc8aab7d5236db91b77267650cdb140

Analysis

max time kernel
115s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
02/04/2024, 19:43

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General

Target
958327f65e87da599ad05ad82897f730_JaffaCakes118.exe
Size 597KB
Sample240402-yfp5pabe8s
SHA256 652ff7f52f0e2d6bdd5a0f36f4b24c4dafc8aab7d5236db91b77267650cdb140
MD5 958327f65e87da599ad05ad82897f730
SHA1 3bf2631dd0877733ec2a005b7de033bb468fb2ca
SHA512 0c6a8422f13f9205186d5c529fcc5ab9293a4c77a3a2d7602dca2748ace7684f8a5d4f739cb073de83fcd285fe187d39fb96d80360ec15de9c1615afb8f450cb
SSDEEP 12288:ShvSUOwrXUH/l+O+Z2HNdjIde1148gsGBMvo0:6KU7Efl+O+Z2HN31m8NG2w
MD5 SHA1 SHA512 SSDEEP

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 208 set thread context of 2156	208	958327f65e87da599ad05ad82897f730_JaffaCakes118.exe	103

Program crash 1 IoCs

pid	pid_target	Process	procid_target
8	2156	WerFault.exe	103

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
208	958327f65e87da599ad05ad82897f730_JaffaCakes118.exe
208	958327f65e87da599ad05ad82897f730_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	208	958327f65e87da599ad05ad82897f730_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 208 wrote to memory of 2440	208	958327f65e87da599ad05ad82897f730_JaffaCakes118.exe	102
PID 208 wrote to memory of 2440	208	958327f65e87da599ad05ad82897f730_JaffaCakes118.exe	102
PID 208 wrote to memory of 2440	208	958327f65e87da599ad05ad82897f730_JaffaCakes118.exe	102
PID 208 wrote to memory of 2156	208	958327f65e87da599ad05ad82897f730_JaffaCakes118.exe	103
PID 208 wrote to memory of 2156	208	958327f65e87da599ad05ad82897f730_JaffaCakes118.exe	103
PID 208 wrote to memory of 2156	208	958327f65e87da599ad05ad82897f730_JaffaCakes118.exe	103
PID 208 wrote to memory of 2156	208	958327f65e87da599ad05ad82897f730_JaffaCakes118.exe	103
PID 208 wrote to memory of 2156	208	958327f65e87da599ad05ad82897f730_JaffaCakes118.exe	103
PID 208 wrote to memory of 2156	208	958327f65e87da599ad05ad82897f730_JaffaCakes118.exe	103
PID 208 wrote to memory of 2156	208	958327f65e87da599ad05ad82897f730_JaffaCakes118.exe	103
PID 208 wrote to memory of 2156	208	958327f65e87da599ad05ad82897f730_JaffaCakes118.exe	103
PID 208 wrote to memory of 2156	208	958327f65e87da599ad05ad82897f730_JaffaCakes118.exe	103

C:\Users\Admin\AppData\Local\Temp\958327f65e87da599ad05ad82897f730_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\958327f65e87da599ad05ad82897f730_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:208
- C:\Users\Admin\AppData\Local\Temp\958327f65e87da599ad05ad82897f730_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\958327f65e87da599ad05ad82897f730_JaffaCakes118.exe"
  2⤵
  PID:2440
- C:\Users\Admin\AppData\Local\Temp\958327f65e87da599ad05ad82897f730_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\958327f65e87da599ad05ad82897f730_JaffaCakes118.exe"
  2⤵
  PID:2156
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2156 -s 1296
    3⤵
    - Program crash
    PID:8

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2156 -ip 2156
1⤵
PID:3088

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1332 --field-trial-handle=2268,i,8796662530135712346,11409037572378858775,262144 --variations-seed-version /prefetch:8
1⤵
PID:3384

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

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Downloads

memory/208-8-0x00000000059B0000-0x00000000059C0000-memory.dmp

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memory/208-9-0x0000000007150000-0x00000000071EC000-memory.dmp

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memory/208-2-0x0000000005D50000-0x00000000062F4000-memory.dmp

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memory/208-3-0x0000000005840000-0x00000000058D2000-memory.dmp

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memory/208-4-0x00000000059B0000-0x00000000059C0000-memory.dmp

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memory/208-5-0x0000000005810000-0x000000000581A000-memory.dmp

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memory/208-6-0x0000000005D20000-0x0000000005D38000-memory.dmp

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memory/208-7-0x00000000751E0000-0x0000000075990000-memory.dmp

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memory/208-0-0x0000000000EF0000-0x0000000000F8C000-memory.dmp

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memory/208-10-0x00000000072A0000-0x00000000072FC000-memory.dmp

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memory/208-1-0x00000000751E0000-0x0000000075990000-memory.dmp

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memory/208-16-0x00000000751E0000-0x0000000075990000-memory.dmp

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memory/2156-12-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/2156-14-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/2156-15-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/2156-11-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/2156-19-0x0000000000400000-0x0000000000438000-memory.dmp

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