190aa963a6a8f6baf8454264cb86dda5a318d09c731be0e1bfe1275473ce8058

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
27/11/2023, 15:07

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General

Target

encodings/aliases.pyc
Size

12KB
MD5

80e6cdedb14228b2c711be998669e744
SHA1

8ded011cd21c8d73458c23691ae0bbeef5c79d79
SHA256

a94e50c1a052ee82c4d59180b082c00c101fbec295700855958cc0a5052d1e05
SHA512

f0e72222a1a27f650ae06a354bcf678a61866d5b3bbb1512fc9e6939b9fbd1c84e28b0e0b811adc3cf984095970d109a226b7b2eacc30a080eac3ce1bc201731
SSDEEP

384:qEXG0bueBU6uHc+TMPUfxYtwI9CwZIb0xX:qYG0YGsfmtwJiIqX

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-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_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-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2616	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2616	AcroRd32.exe
2616	AcroRd32.exe
2616	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 2696	1544	cmd.exe	29
PID 1544 wrote to memory of 2696	1544	cmd.exe	29
PID 1544 wrote to memory of 2696	1544	cmd.exe	29
PID 2696 wrote to memory of 2616	2696	rundll32.exe	30
PID 2696 wrote to memory of 2616	2696	rundll32.exe	30
PID 2696 wrote to memory of 2616	2696	rundll32.exe	30
PID 2696 wrote to memory of 2616	2696	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\encodings\aliases.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1544
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\encodings\aliases.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2696
- - 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\encodings\aliases.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2616

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
2178f32d81fd486181e3d02b8a4bd982

SHA1
6fdfdc291886d5ee9cd868d1173ba498f83e0df7

SHA256
0dfc3d3b0bf7fbc00de5d8b8231e34578f1cb2bc34d331d4d0f60195fa5145e3

SHA512
8c79ea27a97494c1923ec0a7af0ef7ee00f32363f88f1002b67f3f89658cf5cc8c5505daefc316e40e8dadddf70fdacb108d8214986132794a4503855ed065fb

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