82144c08b83c30a9fba5e493ff9066fbaac5f8faea6b56686259e0e573b56abd

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31/01/2024, 19:55

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General

Target
source_prepared.pyc
Size 180KB
Sample240131-ynad7sdfbp
SHA256 9a05ed238e41fc10ac9bb5fce20b11400df5be9511c72b3775b2bf416a9d971b
MD5 934c597a3733b7d105088c6fdbf9bfeb
SHA1 64213ffb31723b4f8d18f47ee83defc493c79174
SHA512 50e859301a523b8a5a498ca0fa573cff0f2e37ad8881fcee50065bf9172742478f6ae469192fa4a5fe1b8b4e901b3a8d7c75058c2a3ebeac749cb9b0b43975a6
SSDEEP 3072:6YLa4rA9qd2ZoGPEtelZN+thZa7V/gujb2CknJ:6YW4uRZoG8cN+rZa7V/gujyCA
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-1603059206-2004189698-4139800220-1000_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-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2724	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2724	AcroRd32.exe
2724	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2100	2932	cmd.exe	29
PID 2932 wrote to memory of 2100	2932	cmd.exe	29
PID 2932 wrote to memory of 2100	2932	cmd.exe	29
PID 2100 wrote to memory of 2724	2100	rundll32.exe	30
PID 2100 wrote to memory of 2724	2100	rundll32.exe	30
PID 2100 wrote to memory of 2724	2100	rundll32.exe	30
PID 2100 wrote to memory of 2724	2100	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2100
- - 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\source_prepared.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2724

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

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 5263f33613b8536cbd8df328e8792009e707faf2d0d7e1b93c78c008c023255c
MD5 cc75154e0834520571ed9a24b3a166b9
SHA1 fd901d701229520e47c1b67d479521f2cb837b44
SHA512 f9d0d0cbe4bc00e4fbee4823db0423d3dbfb20953a19e0ea58994a1acf22e8c3ceaf76ee9e1a3fb129e752b1c4c19959b444b09aa6af1d1be7630785d2a9c4a0
MD5 SHA1 SHA512

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