b2c2a9c32a27fe5c3872a0a96f96fad6597e4f8f5242ec90a7c2b69a1b409bb0

Resubmissions

11/02/2024, 22:08

240211-12e8qaca3t 10

11/02/2024, 22:01

240211-1xpxcsbh9s 10

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
11/02/2024, 22:01

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General

Target

empyrean-main/builder/util/config.py
Size

2KB
MD5

083bc8cc27286e50c08f0f53876f48a8
SHA1

2a1d0ade3e5b4abba267b9ccfeb2fee681a7f032
SHA256

b5f7ff2bfd9a7fc444076ac74dc7034d9d366152f4fb288eab481597bbf54672
SHA512

832bff211d5fff703c1cfe5b54777e5707c4e9703499edfdaa25865bacb7504bdfe41814033e6269537d692e0c53ee58f6c80184697564adf6969931370f50ca

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-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\py_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_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-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2804	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2804	AcroRd32.exe
2804	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2608 wrote to memory of 2724	2608	cmd.exe	29
PID 2608 wrote to memory of 2724	2608	cmd.exe	29
PID 2608 wrote to memory of 2724	2608	cmd.exe	29
PID 2724 wrote to memory of 2804	2724	rundll32.exe	30
PID 2724 wrote to memory of 2804	2724	rundll32.exe	30
PID 2724 wrote to memory of 2804	2724	rundll32.exe	30
PID 2724 wrote to memory of 2804	2724	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\empyrean-main\builder\util\config.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2608
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\empyrean-main\builder\util\config.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2724
- - 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\empyrean-main\builder\util\config.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2804

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
f5535dca27b90e71a75b76b3f770f521

SHA1
889132dabb87ac46a687633087b7f3593d1a19af

SHA256
bebd59fa19e8f29f1af73ed72117d2f364af26b8c5cd6999252364cf1f995b03

SHA512
8484eee502cc4bd1fc817960f49ce39ec3693ca12106d3b429bb6a2ba6c2e69ecd3554a320d7c4a5ea7b57812c2b73e83e6f651e94c8287c30d09349e1dc31f9

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