39a1bc8c9a41da81a92115b50d2e8428e06825810ce616c26f64b9adfcbe2c69

Analysis

max time kernel
150s
max time network
49s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03/07/2024, 06:08

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General

Target

21551e1b22ab94000213378e2847053b_JaffaCakes118.exe
Size

37KB
MD5

21551e1b22ab94000213378e2847053b
SHA1

358b938e0ada7b9f95ce68281a0bf32c8d834b28
SHA256

39a1bc8c9a41da81a92115b50d2e8428e06825810ce616c26f64b9adfcbe2c69
SHA512

1dff9e01f191e69cc8488bb54cf2795398b38cca439013c8326cf34c3fc2ebe01c263056b9bb5624e1026a1b5f1f9c8ed6542c8cab30388c8d899c85c054e60a
SSDEEP

768:xvSK4e1PmWr/99cGnkYr9WaHTXc0Kj9SM4qphCqUfJ3Ean/g7Fo9CKtHEk:6AzsJYbHr0hsLqodEanWYHE

Score

7^/10

persistence upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	21551e1b22ab94000213378e2847053b_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1484	wlock.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2140-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral2/memory/2140-10-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wlock = "C:\\Users\\Admin\\wlock\\wlock.exe"	reg.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies Control Panel 1 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\Desktop\ScreenSaveActive = "0"	wlock.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe
1484	wlock.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2140	21551e1b22ab94000213378e2847053b_JaffaCakes118.exe
Token: SeDebugPrivilege	1484	wlock.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1484	wlock.exe
1484	wlock.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 4512	2140	21551e1b22ab94000213378e2847053b_JaffaCakes118.exe	81
PID 2140 wrote to memory of 4512	2140	21551e1b22ab94000213378e2847053b_JaffaCakes118.exe	81
PID 2140 wrote to memory of 4512	2140	21551e1b22ab94000213378e2847053b_JaffaCakes118.exe	81
PID 4512 wrote to memory of 824	4512	cmd.exe	83
PID 4512 wrote to memory of 824	4512	cmd.exe	83
PID 4512 wrote to memory of 824	4512	cmd.exe	83
PID 2140 wrote to memory of 1484	2140	21551e1b22ab94000213378e2847053b_JaffaCakes118.exe	84
PID 2140 wrote to memory of 1484	2140	21551e1b22ab94000213378e2847053b_JaffaCakes118.exe	84
PID 2140 wrote to memory of 1484	2140	21551e1b22ab94000213378e2847053b_JaffaCakes118.exe	84
PID 2140 wrote to memory of 1820	2140	21551e1b22ab94000213378e2847053b_JaffaCakes118.exe	85
PID 2140 wrote to memory of 1820	2140	21551e1b22ab94000213378e2847053b_JaffaCakes118.exe	85
PID 2140 wrote to memory of 1820	2140	21551e1b22ab94000213378e2847053b_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\21551e1b22ab94000213378e2847053b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\21551e1b22ab94000213378e2847053b_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c REG ADD HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v wlock /t REG_SZ /d "C:\Users\Admin\wlock\wlock.exe" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4512
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v wlock /t REG_SZ /d "C:\Users\Admin\wlock\wlock.exe" /f
    3⤵
    - Adds Run key to start application
    PID:824
- C:\Users\Admin\wlock\wlock.exe
  "C:\Users\Admin\wlock\wlock.exe" f
  2⤵
  - Executes dropped EXE
  - Modifies Control Panel
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1484
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\21551E~1.EXE > NuL
  2⤵
  PID:1820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\wlock\wlock.exe

Filesize
77KB

MD5
35d59cddf9703c68e54ce84787464fbf

SHA1
f988df8ba86f6a3d9c76ec0c911cb0e002306155

SHA256
ab589a7db1a68cc8f9427f05217f7e0d10de894b6a1ec270f9a9721869be7058

SHA512
887641b9049eddf4ccabbfa81b96f5addbecc3dc5af0be4018edac7fd545c74547b029416a1adf53a258992ad505185629496e5af937a69c3d3c21e265654338

Download Submit
memory/1484-17-0x0000000001590000-0x0000000001591000-memory.dmp

Filesize
4KB

Download
memory/1484-14-0x0000000001590000-0x0000000001591000-memory.dmp

Filesize
4KB

Download
memory/1484-29-0x0000000001420000-0x0000000001421000-memory.dmp

Filesize
4KB

Download
memory/1484-13-0x0000000001420000-0x0000000001421000-memory.dmp

Filesize
4KB

Download
memory/1484-12-0x0000000001420000-0x0000000001421000-memory.dmp

Filesize
4KB

Download
memory/1484-11-0x0000000001420000-0x0000000001421000-memory.dmp

Filesize
4KB

Download
memory/1484-15-0x0000000001590000-0x0000000001591000-memory.dmp

Filesize
4KB

Download
memory/1484-24-0x0000000001420000-0x0000000001421000-memory.dmp

Filesize
4KB

Download
memory/1484-18-0x0000000001590000-0x0000000001591000-memory.dmp

Filesize
4KB

Download
memory/1484-27-0x0000000001420000-0x0000000001421000-memory.dmp

Filesize
4KB

Download
memory/1484-26-0x0000000001420000-0x0000000001421000-memory.dmp

Filesize
4KB

Download
memory/1484-23-0x0000000001420000-0x0000000001421000-memory.dmp

Filesize
4KB

Download
memory/1484-16-0x0000000001590000-0x0000000001591000-memory.dmp

Filesize
4KB

Download
memory/1484-25-0x0000000001590000-0x0000000001591000-memory.dmp

Filesize
4KB

Download
memory/1484-22-0x0000000001420000-0x0000000001421000-memory.dmp

Filesize
4KB

Download
memory/1484-21-0x0000000001420000-0x0000000001421000-memory.dmp

Filesize
4KB

Download
memory/1484-20-0x0000000001420000-0x0000000001421000-memory.dmp

Filesize
4KB

Download
memory/1484-19-0x0000000001420000-0x0000000001421000-memory.dmp

Filesize
4KB

Download
memory/2140-8-0x0000000002CC0000-0x0000000002CC1000-memory.dmp

Filesize
4KB

Download
memory/2140-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2140-10-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download