dba66a3b6da35a30734871b840747dcc9d1e704a717349e92d79b9a5e0bcd595

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10/05/2024, 18:12

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General

Target

main.pyc
Size

1KB
MD5

1c5c2d9734b65b429525cc40b60bb502
SHA1

7881b588b603634c4d698463da90ec873ad21bd2
SHA256

b639f068849184246ab67a3fbdc5f410633d37155142a24357e17dc824a3fb1b
SHA512

e42b00051fe8ad076788fe864ae8a903fbf7079fe8f92c76cf1c36155f255c24129f084d373767155224f6fecc4e18d24c0ea5829e0a01dc9ed5fd59cc0fe5e0

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2460	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2460	AcroRd32.exe
2460	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 2500	2980	cmd.exe	29
PID 2980 wrote to memory of 2500	2980	cmd.exe	29
PID 2980 wrote to memory of 2500	2980	cmd.exe	29
PID 2500 wrote to memory of 2460	2500	rundll32.exe	30
PID 2500 wrote to memory of 2460	2500	rundll32.exe	30
PID 2500 wrote to memory of 2460	2500	rundll32.exe	30
PID 2500 wrote to memory of 2460	2500	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2980
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\main.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2500
- - 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\main.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2460

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
fac60725d35d130ed40da487c5c1619e

SHA1
e427713fca348659ae1c6d7398a88cad605edb88

SHA256
05be4326614791dc725f6a57851ecd018ea8a1111182a83b873e0d77f17f61b5

SHA512
6a1f909e2d14b74ba60b1792bbeefa7341658d60f7ee59c482f83df7948662a17ba669f3c9150d17d11f113b4cc9caec93cc2f915a5c7b906be6673ff6bcfebf

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