190aa963a6a8f6baf8454264cb86dda5a318d09c731be0e1bfe1275473ce8058

Analysis

max time kernel
149s
max time network
122s
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

collections/abc.pyc
Size

274B
MD5

bce2673839e62a748717fb18fbf98037
SHA1

65c0cccc6cd710fa94fd5777f065d755266d3a06
SHA256

29691e0832cd8599185eca7bacae1b089fbfcd201ee7a1c5b676acb5b0edbefd
SHA512

b3ab7187589e36bdaaacaa5f460c35c5f2c8ef54f7ebb9a08d9bf482768859eef99643257a30ca3501d78139b119fc0d280b8f5f31ede8f7c5af489baeb3adec

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-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_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-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\pyc_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1240	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1240	AcroRd32.exe
1240	AcroRd32.exe
1240	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 2660	1744	cmd.exe	29
PID 1744 wrote to memory of 2660	1744	cmd.exe	29
PID 1744 wrote to memory of 2660	1744	cmd.exe	29
PID 2660 wrote to memory of 1240	2660	rundll32.exe	30
PID 2660 wrote to memory of 1240	2660	rundll32.exe	30
PID 2660 wrote to memory of 1240	2660	rundll32.exe	30
PID 2660 wrote to memory of 1240	2660	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\collections\abc.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\collections\abc.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\collections\abc.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1240

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
185dbb8511976083ff0ce87c8862fb09

SHA1
c8216b570d6d668f6da4440070b221a0f97f030b

SHA256
0b438b813999577f0da3dc833479455292cdd0a7effdbf574dfe2126b8448f28

SHA512
85dfd157e01e0ba6a7ecf3e534e1223f757e6c74a47df8a21b26550a90d46bdc572f44f551640719a4e3e3340838b8f428e01ee2b4062219ee9ace5718761eb1

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