e746f10a245a5cb3d8bf010dfa30e7de6430e1f248e88d9acbb88596d01c53be

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22/02/2024, 19:49

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General

Target

Chimera-1.4/lib/camera_control.py
Size

1KB
MD5

a55a78b159e73356acd1a2a8a294ed86
SHA1

f64936c8b4a67fea7ef711c52d03c4e5040c679e
SHA256

d99709938351b0e3a6f5f91c2be803710728023e865a312ef57674939be8ec8b
SHA512

500f065ad396569d790e1663bdb5d8ac94169c1417ed48356154e74de2839a90791a422b0d0946c1bd7f0c087b5c06be149a65add91e87c4a0cd0889edd7ea46

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2544	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2544	AcroRd32.exe
2544	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1424 wrote to memory of 2688	1424	cmd.exe	29
PID 1424 wrote to memory of 2688	1424	cmd.exe	29
PID 1424 wrote to memory of 2688	1424	cmd.exe	29
PID 2688 wrote to memory of 2544	2688	rundll32.exe	30
PID 2688 wrote to memory of 2544	2688	rundll32.exe	30
PID 2688 wrote to memory of 2544	2688	rundll32.exe	30
PID 2688 wrote to memory of 2544	2688	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Chimera-1.4\lib\camera_control.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1424
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Chimera-1.4\lib\camera_control.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2688
- - 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\Chimera-1.4\lib\camera_control.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2544

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
589180a0694d8e12238e12c94dddb32f

SHA1
9ca545c2df20a0d3a070900d3f457c62ebcf8881

SHA256
2d785cc647679c02e90abdb1a7e30ea3a96c58ce4c4554080065b8545008fbf9

SHA512
9c28da41bd83ba60acbc9d16778bebb164b8dbb931058309596b15955fd9afad4b8c4b0a60e480a2eb20bcfa3c8b892be76a5dfe7c489bb778e782b422275f9f

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