190aa963a6a8f6baf8454264cb86dda5a318d09c731be0e1bfe1275473ce8058

Analysis

max time kernel
151s
max time network
126s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
27/11/2023, 15:07

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General

Target

_collections_abc.pyc
Size

50KB
MD5

194666bf2a5186532ff44ffadc6908e3
SHA1

de4865cbf3f9feaf09093c46ecf3d7d82157ef3e
SHA256

76009d50c62573b55d2aac99cee43d008eff99d8bc8a9ad886bad5337e971153
SHA512

81f98a127936cc2a6d880670d7cfaf675412a4f99f98e3d0dc9a39e4c03b8671469da86917c9cf0b365aad5fcca4a03fdc08e9cba4ba64c58d19c3892c63998d
SSDEEP

768:4WPgniRfl5zB2HNyGPWO3kimvS7Q4s5p7+wjZca6uUeRKivBjjW:4WPgni9+0GF3kimvS7QR5pSFuUGO

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_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-1-5-21-2952504676-3105837840-1406404655-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\pyc_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2684	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2684	AcroRd32.exe
2684	AcroRd32.exe
2684	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 2760	2220	cmd.exe	29
PID 2220 wrote to memory of 2760	2220	cmd.exe	29
PID 2220 wrote to memory of 2760	2220	cmd.exe	29
PID 2760 wrote to memory of 2684	2760	rundll32.exe	30
PID 2760 wrote to memory of 2684	2760	rundll32.exe	30
PID 2760 wrote to memory of 2684	2760	rundll32.exe	30
PID 2760 wrote to memory of 2684	2760	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\_collections_abc.pyc
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\_collections_abc.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2760
- - 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\_collections_abc.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2684

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

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Downloads

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

Filesize
3KB

MD5
793d38bb9f5d8e5b1cebdb6fdc50166d

SHA1
15de7db8084a68050609286e18fdf0001a9fb979

SHA256
97bef175da68683a8acec48e5a66c4709676abdccb1bb549345e16f10fdaf129

SHA512
31ff3dbf1b66d1b8d38da9b55e96fd688c7d84504b678e2d31d6809e286375f60c6e057f3316a3ccb6a784d56ba294aa08af61ca0a1dd9b5799c0ff713d1ef8a

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