63bc00e800e4d13914d9b012650c0028b18fc1bc492089d9b345b4bf7286021e

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
22/02/2024, 17:54

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General

Target

flaggex.pyc
Size

9KB
MD5

d401417dad834f69f76ce73db8f2235a
SHA1

ceb68f416d5177267ff85c488691cf73ab57ecbb
SHA256

2a9298ae278352c36765b0288729ead85a7e1461314fb3e8dc3fdc7ca0835f80
SHA512

981536fc5c8335f5d9e9a5f0061d2962d2f1e2c8a3599da9413f938a16a7bb5505e5fbb3233ac02887d2fe5f8d0e14776257d37056e61b9567b104a8b63f356e
SSDEEP

96:Cuvr67l7n0x7o75qRAlI7cX9DnYzeIE7wfQ1VFCWMJfqpUGw4YSHO9pcmjUqGYYH:CGi08RXRnuLEctqpBvu9pXUqGYyqSszK

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-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_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-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pyc_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2436	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2436	AcroRd32.exe
2436	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 2516	1636	cmd.exe	29
PID 1636 wrote to memory of 2516	1636	cmd.exe	29
PID 1636 wrote to memory of 2516	1636	cmd.exe	29
PID 2516 wrote to memory of 2436	2516	rundll32.exe	30
PID 2516 wrote to memory of 2436	2516	rundll32.exe	30
PID 2516 wrote to memory of 2436	2516	rundll32.exe	30
PID 2516 wrote to memory of 2436	2516	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\flaggex.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\flaggex.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2516
- - 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\flaggex.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2436

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
dcb04bf624de61ad76332d5a4f65e111

SHA1
8d07311c357a72b5a6394fa6d4a7d12ef8231e73

SHA256
6f7b10fa55ff73686c3835ad48acf453c08115eb6d560e2fd25a4ec131bd171f

SHA512
dc48a84579b525f1eaf1ae957ac347a645fd54fa8161d548683dc8578f47128a353baae506560716a1d1b97a8107e080be7b249a8bf8680e247c92d9cdb1007e

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