a73f041afa6413f0fd67e9672bc4b956c9be1ca2f4de3bcf6455d5e0d3c67b89

Analysis

max time kernel
118s
max time network
127s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11-05-2024 13:37

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General

Target

cryptic tool/util/17_HouseChanger/housechanger.py
Size

2KB
MD5

9ab73250679c3b9b85d21dfc1194b560
SHA1

bbbbdb300db86d0368208c1e2357de4954b91c76
SHA256

60597849a21b056541c7c9cb6284b6fb26682b1d60e1032f2c52fa727edadbf1
SHA512

2eafa8375422d8dfe917492b60915eb3747d206dfe4f4ae61791afc84ccd522f5659486a77b29cee1789d80bc6fbc3d4881d884d882136b24f2732591852c14c

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 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2276	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2276	AcroRd32.exe
2276	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 2880	2220	cmd.exe	29
PID 2220 wrote to memory of 2880	2220	cmd.exe	29
PID 2220 wrote to memory of 2880	2220	cmd.exe	29
PID 2880 wrote to memory of 2276	2880	rundll32.exe	30
PID 2880 wrote to memory of 2276	2880	rundll32.exe	30
PID 2880 wrote to memory of 2276	2880	rundll32.exe	30
PID 2880 wrote to memory of 2276	2880	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\cryptic tool\util\17_HouseChanger\housechanger.py"
1⤵
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\cryptic tool\util\17_HouseChanger\housechanger.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2880
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\cryptic tool\util\17_HouseChanger\housechanger.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2276

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
e28c5e93674d6fd3641d7e88cfe862c7

SHA1
460812dfd0438b828346eae911b2cfb758557375

SHA256
335e107f2853efb69562b9c37e5042863a14aa24d54319512431bebb1a338a01

SHA512
bc085b79dd9563b0a62cc283a34501062694e1febeba251ebe6f31e0790916e29a274401f9311d2764681965b78460f2b7ccfcd9230d838273859238428741b0

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