45e327e1fb60a272a3e7aa256c29f1d55846d90733329e7d453f6a1061916775

Analysis

max time kernel
837s
max time network
839s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
26-07-2024 15:20

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General

Target

latrodectus_1.2.bin.dll
Size

61KB
MD5

58baec37e77f6f7f4339b4557ce9cc57
SHA1

993cf0a9b1472f480d3fa854ce5dbb0fb34c0f05
SHA256

45e327e1fb60a272a3e7aa256c29f1d55846d90733329e7d453f6a1061916775
SHA512

01ec5aa867ac1075effde830c7b6e0d8e84988053009e4942afc6480b29459e508209a45bf704959fb51251bd0af8550f644fc716edabc8bff76d2a0de8197ce
SSDEEP

768:+i0IIO99dKJKbAgQVuyQw4n4mjlQmLvniWiMfDeDvhHImz:ipO9CJKrQF4n4mjltqTMKD5H

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 12 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\properties_auto_file\shell\edit	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\properties_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\properties_auto_file\shell\edit\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\properties_auto_file\shell\open	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\properties_auto_file\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\properties_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\properties_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\.properties\ = "properties_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\properties_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\properties_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\.properties	rundll32.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
1636	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1688	rundll32.exe
1688	rundll32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1636	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 1636	2964	rundll32.exe	36
PID 2964 wrote to memory of 1636	2964	rundll32.exe	36
PID 2964 wrote to memory of 1636	2964	rundll32.exe	36

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\latrodectus_1.2.bin.dll,#1
1⤵
- Suspicious behavior: EnumeratesProcesses
PID:1688

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:1948

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\deployment.properties
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\deployment.properties
  2⤵
  - Opens file in notepad (likely ransom note)
  - Suspicious use of FindShellTrayWindow
  PID:1636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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