1a6d3da693f993e5fe8c4220c33a5fd9775430837db21873805d73f6addd77c4

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
12/02/2024, 11:32

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General

Target

2024-02-12_4a7095e95522a7af36f11e0cecdc9245_mafia.exe
Size

326KB
MD5

4a7095e95522a7af36f11e0cecdc9245
SHA1

8ba704db3ab083d3d8206d326d7b74a2e42aac30
SHA256

1a6d3da693f993e5fe8c4220c33a5fd9775430837db21873805d73f6addd77c4
SHA512

43db44745d2b5a11c2ddccf7704fc16f5072bf6a1995d45b977232c871160056abb0c57c6d4bae9d0972dcc5a7d20ffd8ef77a922dd49cfd8df324592c69074b
SSDEEP

6144:fowuvQ9OJaNYiuJKvu1aqc8gy2PoAaj4YROh7Flj:gw0Q9gaWPJ/1aqcw2nuAHj

Score

9^/10

persistence

Malware Config

Signatures

Detects Windows executables referencing non-Windows User-Agents 2 IoCs

resource	yara_rule
behavioral1/memory/1764-2-0x0000000000400000-0x00000000004E3000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/1736-14-0x0000000000400000-0x00000000004E3000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Executes dropped EXE 1 IoCs

pid	Process
1736	winxguu.exe

Loads dropped DLL 2 IoCs

pid	Process
1764	2024-02-12_4a7095e95522a7af36f11e0cecdc9245_mafia.exe
1764	2024-02-12_4a7095e95522a7af36f11e0cecdc9245_mafia.exe

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\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Upgrade 4059300 = "C:\\Windows\\1631365113605243\\winxguu.exe"	2024-02-12_4a7095e95522a7af36f11e0cecdc9245_mafia.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\1631365113605243\winxguu.exe	2024-02-12_4a7095e95522a7af36f11e0cecdc9245_mafia.exe
File opened for modification	C:\Windows\1631365113605243\winxguu.exe	2024-02-12_4a7095e95522a7af36f11e0cecdc9245_mafia.exe
File opened for modification	C:\Windows\1631365113605243	2024-02-12_4a7095e95522a7af36f11e0cecdc9245_mafia.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 1736	1764	2024-02-12_4a7095e95522a7af36f11e0cecdc9245_mafia.exe	28
PID 1764 wrote to memory of 1736	1764	2024-02-12_4a7095e95522a7af36f11e0cecdc9245_mafia.exe	28
PID 1764 wrote to memory of 1736	1764	2024-02-12_4a7095e95522a7af36f11e0cecdc9245_mafia.exe	28
PID 1764 wrote to memory of 1736	1764	2024-02-12_4a7095e95522a7af36f11e0cecdc9245_mafia.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-12_4a7095e95522a7af36f11e0cecdc9245_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-12_4a7095e95522a7af36f11e0cecdc9245_mafia.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1764
- C:\Windows\1631365113605243\winxguu.exe
  C:\Windows\1631365113605243\winxguu.exe
  2⤵
  - Executes dropped EXE
  PID:1736

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Windows\1631365113605243\winxguu.exe

Filesize
326KB

MD5
4a7095e95522a7af36f11e0cecdc9245

SHA1
8ba704db3ab083d3d8206d326d7b74a2e42aac30

SHA256
1a6d3da693f993e5fe8c4220c33a5fd9775430837db21873805d73f6addd77c4

SHA512
43db44745d2b5a11c2ddccf7704fc16f5072bf6a1995d45b977232c871160056abb0c57c6d4bae9d0972dcc5a7d20ffd8ef77a922dd49cfd8df324592c69074b

Download Submit
memory/1736-13-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/1736-14-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/1736-17-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/1764-1-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/1764-2-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads