917e60e904de5c286188692892de40704060e4e212a6b364b816e8c6cc5a805b

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
01/01/2024, 14:05

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General

Target

Main.pyc
Size

12KB
MD5

602f70623e4648723a1ea230f053a1bf
SHA1

e1e0ca9fdacfdf1c5aa520393fe1f549ffed3369
SHA256

c6fe5ce41c02038586c776813b53d2400142f98c4370e1e04a67cac8b5d38cca
SHA512

aa41fab6724d7366edab4925dda39aac806475d9763964d94852be532bde309ab85b50f8e38ea73df9d238ba3383aa2ab0f1f2517f15d5828a5c1c19790555d2
SSDEEP

192:cM/H7S3jxNpK5Wal7AKm3G2SJD7hCUGeA/9y/dvh2O8m5PHoL:ceH7YYQWp5Aem9wdU5

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-1-5-21-2444714103-3190537498-3629098939-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000_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-1-5-21-2444714103-3190537498-3629098939-1000_CLASSES\pyc_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1084	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1084	AcroRd32.exe
1084	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 3056	2220	cmd.exe	29
PID 2220 wrote to memory of 3056	2220	cmd.exe	29
PID 2220 wrote to memory of 3056	2220	cmd.exe	29
PID 3056 wrote to memory of 1084	3056	rundll32.exe	30
PID 3056 wrote to memory of 1084	3056	rundll32.exe	30
PID 3056 wrote to memory of 1084	3056	rundll32.exe	30
PID 3056 wrote to memory of 1084	3056	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Main.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\Main.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3056
- - 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:1084

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
09c9917852fa97698619cf6144676452

SHA1
74e9f2d70c3e30daef9cc6a930f527474cd1805d

SHA256
2324fea3987939f285ec58765cae40bf714795ae8b65dc9d3e41a367b172116b

SHA512
a1a82af5e62635c726810b7abf7eeace8a4086e6b1329e052b33ba70016b50daa7d48dd57f49d871b7102cb2016f4ca2423505af393ee61ca20f44833fb5993a

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