54b545f5276ce01a5c7151e8ba1053264512be315aa88cdf5eab72aef69d02c2

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
18/03/2024, 23:05

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General

Target
misc.pyc
Size 2KB
Sample240318-223vfsbc48
SHA256 572b18ccb1838f23714fae1c8cbb399a08796b1eb846960d5463d40ee784fe5a
MD5 bcb404423ac51f798753e8d11e401071
SHA1 9080018dae3aa157e3a97904c86af06d4a0a6873
SHA512 25a2997cff19308956086ae4e464f5039e53149043f094f2a65dae4dfa78b6410650a3c4d1514511f23c6bf77228772fa7b8a3cf5119e4ed46edb65ac40ff800
MD5 SHA1 SHA512

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\shell\Read	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\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	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	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\shell\Read\command	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

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\misc.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\misc.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\misc.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

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 572a653fe57d586772badc64600f979ba3138d822abd4253a8f3a0cdcc7ce3d2
MD5 a37a1967157343849e4a79c27cde4564
SHA1 a64d7a9b7e3e5ffbc4c4c114b49d1a68a052c280
SHA512 fa7637cc8626d61bd3fd494c1c14d598f56203d5aeb6eb9c024ef776679b068288d28364134fa134d13ec8872dca808c6e08205022ad7bf2fb3d9d63a9d8724c
MD5 SHA1 SHA512

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