b2c2a9c32a27fe5c3872a0a96f96fad6597e4f8f5242ec90a7c2b69a1b409bb0

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
15/03/2024, 08:22

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3004	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3004	AcroRd32.exe
3004	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2960 wrote to memory of 2644	2960	cmd.exe	29
PID 2960 wrote to memory of 2644	2960	cmd.exe	29
PID 2960 wrote to memory of 2644	2960	cmd.exe	29
PID 2644 wrote to memory of 3004	2644	rundll32.exe	30
PID 2644 wrote to memory of 3004	2644	rundll32.exe	30
PID 2644 wrote to memory of 3004	2644	rundll32.exe	30
PID 2644 wrote to memory of 3004	2644	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:2960
- 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:2644
- - 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:3004

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
b48e2ca7e95f9ff3c325b447a52cb805

SHA1
6c0ea1d9a471bca8caf46b197d0cc352855ca101

SHA256
6a1d2fcb990b81f034f60069cb6af4e8bf99b4c73dac449582251c07d0be7996

SHA512
42eb8ee9ac5582c8f287f12304c91864b853b6d7f166ea7adb564d53b50d2893c144b97c3ef7d2851f368ed9c72b6c4b483fe887797d9518f7adba84f5e88ab9

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