0ecfa9e9370f383a669aad9db9a28109c24226496b519e7383713c7c1deaf861

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
22-03-2024 17:01

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General

Target

Chronos/src/utils/__pycache__/load.cpython-310.pyc
Size

538B
MD5

a00a922c8ba4de9786e0ce0bf0f3936e
SHA1

da2e3c7b6c23e96757c63b97a526202ecf7e8201
SHA256

414b392c86597915c2edf5ce7bc1246e0461c1eae5844dae79d36c6b73f99c4d
SHA512

26a502e9b0336dfcfe0153e269b0fb51f225eaa4cf883693fa6fe0b3113bf5b9823a407e5a2dbc884fc629bf57407da43dcefe1d7c69d0999e106347b9807408

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

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2532 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2532 AcroRd32.exe
2532 AcroRd32.exe

pid	process
2532	AcroRd32.exe

pid	process
2532	AcroRd32.exe
2532	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2068 wrote to memory of 2624	2068	cmd.exe	rundll32.exe
PID 2068 wrote to memory of 2624	2068	cmd.exe	rundll32.exe
PID 2068 wrote to memory of 2624	2068	cmd.exe	rundll32.exe
PID 2624 wrote to memory of 2532	2624	rundll32.exe	AcroRd32.exe
PID 2624 wrote to memory of 2532	2624	rundll32.exe	AcroRd32.exe
PID 2624 wrote to memory of 2532	2624	rundll32.exe	AcroRd32.exe
PID 2624 wrote to memory of 2532	2624	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Chronos\src\utils\__pycache__\load.cpython-310.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2068

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Chronos\src\utils\__pycache__\load.cpython-310.pyc
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2624

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\Chronos\src\utils\__pycache__\load.cpython-310.pyc"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2532

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
878e8bb148a3b920f41d2e706867d66b

SHA1
cfb8313402529871f18a5a17a1ebccde3d583123

SHA256
6806ccef63267b534ea6fb445635c6f0e1857b4db5fa31f8fbb90fb9748ce11e

SHA512
469cd71f8b17e594ac2bb7c64c307d5eda7955edfe368b7b61391dac04511106e1fd3962d197c72d5c31f486b5433e3023522aa2a5bc088848e25ac9f844b8f4

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