b3b2f55f7e763281eb13bbf75234c413d1fab3fd31e3fd7e34d9c3dc3eea9dbe

General

Target

2024-03-29_81e286e7454d588f759fed8b1e634dd0_mafia.exe
Size

462KB
MD5

81e286e7454d588f759fed8b1e634dd0
SHA1

3296291808d0a52823d70c37aab78aa6fcc3044c
SHA256

b3b2f55f7e763281eb13bbf75234c413d1fab3fd31e3fd7e34d9c3dc3eea9dbe
SHA512

1f88b0d5bc244ad5199e8357848faeadf1605e575c195a130295eca3a270b142ab83f8279ec9c3d9e8991511b2874a315cc049ccf37a86d00936410dd02eb1de
SSDEEP

6144:zRPu8zwNAZYCZrIik3tH8dDlNlr3v1htpmw4lmTGgBj78sH5f:zJrIik3Mtr3tTp/4lIGU3F9

Score

7^/10

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-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation	2BD3.tmp

Executes dropped EXE 1 IoCs

pid	Process
4908	2BD3.tmp

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000_Classes\Local Settings	2BD3.tmp

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
4040	WINWORD.EXE
4040	WINWORD.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4908	2BD3.tmp

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
4040	WINWORD.EXE
4040	WINWORD.EXE
4040	WINWORD.EXE
4040	WINWORD.EXE
4040	WINWORD.EXE
4040	WINWORD.EXE
4040	WINWORD.EXE
4040	WINWORD.EXE
4040	WINWORD.EXE
4040	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3708 wrote to memory of 4908	3708	2024-03-29_81e286e7454d588f759fed8b1e634dd0_mafia.exe	84
PID 3708 wrote to memory of 4908	3708	2024-03-29_81e286e7454d588f759fed8b1e634dd0_mafia.exe	84
PID 3708 wrote to memory of 4908	3708	2024-03-29_81e286e7454d588f759fed8b1e634dd0_mafia.exe	84
PID 4908 wrote to memory of 4040	4908	2BD3.tmp	89
PID 4908 wrote to memory of 4040	4908	2BD3.tmp	89

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\2024-03-29_81e286e7454d588f759fed8b1e634dd0_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-29_81e286e7454d588f759fed8b1e634dd0_mafia.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3708
- C:\Users\Admin\AppData\Local\Temp\2BD3.tmp
  "C:\Users\Admin\AppData\Local\Temp\2BD3.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2024-03-29_81e286e7454d588f759fed8b1e634dd0_mafia.exe 8A32548ED143BD62538C330E3DF40C5C75B6E66E25DFA1BD2E8EC9D1897F6640C847A4C90AEF18F7D511AB8771FC5D47DF85BEB2949B6C81B2985F22ECE62CB3
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:4908
- - C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\2024-03-29_81e286e7454d588f759fed8b1e634dd0_mafia.docx" /o ""
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of SetWindowsHookEx
    PID:4040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

4

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\2024-03-29_81e286e7454d588f759fed8b1e634dd0_mafia.docx

Filesize
21KB

MD5
7079891932a64f097abafd233055a1e9

SHA1
246d95feafe67689d49a5a4cadba18d3ac1914e5

SHA256
c97189b50e5e92be09966d4732b6d61a2e435b2935d60c09989e555ae442e7a1

SHA512
6e9ee6427d7cc2474dc634b088cf3f35d06dfb734d2b63fbbc794f4083b4b5754379daff4804bf5024b1b430aa5e50fa6d839d3473ceeed3043d373c85e9862a

Download Submit
C:\Users\Admin\AppData\Local\Temp\2BD3.tmp

Filesize
462KB

MD5
3bf6e8b394639fe84298b965b9b23170

SHA1
cb1e9c260ffadcb2b25422a859b8d5d5c6ee8e6a

SHA256
1a38aa1c1f466ce2fb9b68cdd252a7ede1a57ab6fa74aa64fe57c0d8bd575e12

SHA512
0052f4d481685b38eb692807c6cd18485933ac54f674b141b6821d9e87c0b7315a2b6f2720e27998c044da3b1dddef32b59b127dfee48be0fb37d9dcc73444bb

Download Submit
memory/4040-12-0x00007FFE6AE50000-0x00007FFE6AE60000-memory.dmp

Filesize
64KB

Download
memory/4040-10-0x00007FFE6AE50000-0x00007FFE6AE60000-memory.dmp

Filesize
64KB

Download
memory/4040-11-0x00007FFE6AE50000-0x00007FFE6AE60000-memory.dmp

Filesize
64KB

Download
memory/4040-13-0x00007FFEAADD0000-0x00007FFEAAFC5000-memory.dmp

Filesize
2.0MB

Download
memory/4040-9-0x00007FFE6AE50000-0x00007FFE6AE60000-memory.dmp

Filesize
64KB

Download
memory/4040-15-0x00007FFEAADD0000-0x00007FFEAAFC5000-memory.dmp

Filesize
2.0MB

Download
memory/4040-14-0x00007FFE6AE50000-0x00007FFE6AE60000-memory.dmp

Filesize
64KB

Download
memory/4040-16-0x00007FFEAADD0000-0x00007FFEAAFC5000-memory.dmp

Filesize
2.0MB

Download
memory/4040-17-0x00007FFE684F0000-0x00007FFE68500000-memory.dmp

Filesize
64KB

Download
memory/4040-18-0x00007FFE684F0000-0x00007FFE68500000-memory.dmp

Filesize
64KB

Download
memory/4040-31-0x00007FFEAADD0000-0x00007FFEAAFC5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads