6d6c69215c29027dd81f4015cf5787059ac40f3c19235560312629e2a77dc4b2

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03/02/2024, 14:03

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General

Target

main.pyc
Size

4KB
MD5

78044e0945749775910ce61a3a0c8f74
SHA1

72ed0e3180c2f62b1e70c08dda96dc083f2a0074
SHA256

391cda8393509999ba2bc99c764de7ddb6b5b03a70a29af87bf50a1d5e09a17e
SHA512

a77820098223d5ff35f93da1876556b1dcda5f14837a155b9db73140dfb2e792e7137decfa342e9321ff96e06330ac48d392b35512b0e7f8145db6da664a06ab
SSDEEP

96:QEHXKag/on8jIIVTfHAlVPflDji+kgZjPlsx9SHfUh:d6agwIVTfJgZy3Nh

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-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_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-1-5-21-3818056530-936619650-3554021955-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2400	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2400	AcroRd32.exe
2400	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 2820	2356	cmd.exe	29
PID 2356 wrote to memory of 2820	2356	cmd.exe	29
PID 2356 wrote to memory of 2820	2356	cmd.exe	29
PID 2820 wrote to memory of 2400	2820	rundll32.exe	30
PID 2820 wrote to memory of 2400	2820	rundll32.exe	30
PID 2820 wrote to memory of 2400	2820	rundll32.exe	30
PID 2820 wrote to memory of 2400	2820	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2356
- 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:2820
- - 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:2400

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
cc11514481b2d8dcdd61e082a6e208ff

SHA1
b1d1b84b53f4c3e8298b950a2ac3693f03256f5e

SHA256
891a2e3002f7ba65268006fb6bd950d457ddbd434b4d7396c0da803735f8a77d

SHA512
491dd909e26911b10f4521486da03a3894b163ef0d82fcac6fa0df83caf2ffb2186e6e847c68dc23a64dfebe85e02e76094db032c87c379a139dcd5c9bca7b5c

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