2de41d31b8d3e57b38e7f1635aec6389d28e715c4887ae8fcb37c153f5800bda

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
09/05/2024, 13:39

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General

Target

exxexexex.pyc
Size

44KB
MD5

f3a787e7c2da671889a3219d587f3d05
SHA1

579e2b76e0aaf6d7327274d5e12a70f975a37746
SHA256

8eeb5933c9991210782c8d04ab5fb55a41544caf2234a3c96202a61c78bdc02a
SHA512

b005e4c4dd8d9be73b2efaac990a45c2a868046c131ac7bd801053a319b22bc634e5d1b7cc3a9f73ef0d18c65335a2a35db0a57839017ab54f14a0a315d947b1
SSDEEP

768:n9JWavmeVQ+gzp6LxOKH90Zf06pAFbo6LhrpJIkzRA1Sksd+Bgr48WPedDlhLx3V:n9JW4Xu4ObZf0mAhIkzRUSksd+SU8C8n

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-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_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-1-5-21-3691908287-3775019229-3534252667-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\pyc_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2808	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2808	AcroRd32.exe
2808	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 2660	1932	cmd.exe	29
PID 1932 wrote to memory of 2660	1932	cmd.exe	29
PID 1932 wrote to memory of 2660	1932	cmd.exe	29
PID 2660 wrote to memory of 2808	2660	rundll32.exe	30
PID 2660 wrote to memory of 2808	2660	rundll32.exe	30
PID 2660 wrote to memory of 2808	2660	rundll32.exe	30
PID 2660 wrote to memory of 2808	2660	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\exxexexex.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\exxexexex.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2660
- - 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\exxexexex.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2808

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
0a57d4426cf0b71d80325dd0189ff810

SHA1
e517eff1a5ab5828fa3cb1a12f99dda317a84261

SHA256
f4c5ec31ceeb48eebd8fb5a2bbe5590d3e9048c05d236cb4522f1f3a2d8382e4

SHA512
8b968b8edc9f3b1d83f16e8b2ef722f9f37e3aeaba37105c967a0756b63d6814e89486a36855794d7c5b327a5ecfd14b0f0050a3b5a204e25f3fc77eab255f1d

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