23f5c5cab3ddcb54202a229c8d64dc1fe66aff31e4de3f518fe9c9948f8e0cc9

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
29/04/2024, 03:51

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General

Target

main.pyc
Size

29KB
MD5

678169bd01b910630167a66a1bb70667
SHA1

138998ba4f3d5ddffabbee4db8d9059e53e820ad
SHA256

158d2975b2ad1775818107c054a971aa4e9d0275539d02042b3b1ee5e5d808a7
SHA512

88b40c640cc4a6c17c6653dadd7914b3d519f7c3ceee91c013acc8b89ef71a3e5e3c65ec3b604d65409dfa7477ffeb8a300cb2fdc6185f415b7e78f618d90c29
SSDEEP

768:K3qgS8iXB8eHegdkplKKljOd0CY52RwhHzW:K3qX8itddkpMKAdhYjhTW

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-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_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
2804	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2804	AcroRd32.exe
2804	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 2692	2900	cmd.exe	29
PID 2900 wrote to memory of 2692	2900	cmd.exe	29
PID 2900 wrote to memory of 2692	2900	cmd.exe	29
PID 2692 wrote to memory of 2804	2692	rundll32.exe	30
PID 2692 wrote to memory of 2804	2692	rundll32.exe	30
PID 2692 wrote to memory of 2804	2692	rundll32.exe	30
PID 2692 wrote to memory of 2804	2692	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2900
- 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:2692
- - 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:2804

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
c22a2a299d371fcb1060d420f8828fae

SHA1
91d05b7d004e08c2607525374572faa28dc75db7

SHA256
8950813355ae53d3a575593fd5853a7f675d620a29a07c38307ae922ac241055

SHA512
b16c9f3c12dc15c073a419d2113f3263de3fa95fe142ffe1cc68be642f2599800a777e27d2bac4daa8cf1e93fb9c83c83e798e5743f4852dc650d51e981b308a

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