faad96bbcc51f115c9edd691785d1309e7663b67dcfcf7c11515c3d28c9c0f1f

Analysis

max time kernel
159s
max time network
81s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26-03-2024 21:41

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General

Target

MinGW64/bin/lib/encodings/aliases.pyc
Size

8KB
MD5

67ee7ec45c339432f4554c97d0b94c8e
SHA1

fb1203f22a2f2357df6db0dd4d5597d93bafed80
SHA256

41ffad9290a0c3356bd3fed529f7210b84f3648b30a570ced0f2e208c508b8e8
SHA512

39c321d9ef5b1a7c29531ca1a0d8584ee4d5a0491bbf85f0cca1c2fbb628d3f2c869fe23231ccb9e21ee7ab316cb85a757a53d1d3420cd13716b09fba6c6ad1f
SSDEEP

192:8HGjLzPuAX1Ox+2iFJRbkz0JFJqX0zLDCxKjHN1UjYwQRZmnV:8MD9UxXaRYF0x7TZCV

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-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2136	rundll32.exe
892	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
892	AcroRd32.exe
892	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 2136	2492	cmd.exe	31
PID 2492 wrote to memory of 2136	2492	cmd.exe	31
PID 2492 wrote to memory of 2136	2492	cmd.exe	31
PID 2136 wrote to memory of 892	2136	rundll32.exe	33
PID 2136 wrote to memory of 892	2136	rundll32.exe	33
PID 2136 wrote to memory of 892	2136	rundll32.exe	33
PID 2136 wrote to memory of 892	2136	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\MinGW64\bin\lib\encodings\aliases.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\MinGW64\bin\lib\encodings\aliases.pyc
  2⤵
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of WriteProcessMemory
  PID:2136
- - 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\MinGW64\bin\lib\encodings\aliases.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:892

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
db151670e915f16c8a15ee5efb9f374c

SHA1
0d34848fe76afb69c057b01d7d82acb5321711b7

SHA256
d418882a5eec75919174bc6480d7e133c8f2d482bbeed1ad5fe369b89f35e530

SHA512
1a32d3b4910356488c0b7e595be132d61bed8ae7ca31041b5198932cdcad4ecd47fb11e9d1357693697487f0d6c54e0af3895cc549d823f06edc50c04abd0748

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