15f5346f636fa7879882f23611d46da7d7fab3e03cf75366f8721fe54804f8fd

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
04/06/2024, 01:48

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General

Target
empyrean-main/builder/util/config.py
Size 2KB
Sample240604-b78d1shb7v
SHA256 b5f7ff2bfd9a7fc444076ac74dc7034d9d366152f4fb288eab481597bbf54672
MD5 083bc8cc27286e50c08f0f53876f48a8
SHA1 2a1d0ade3e5b4abba267b9ccfeb2fee681a7f032
SHA512 832bff211d5fff703c1cfe5b54777e5707c4e9703499edfdaa25865bacb7504bdfe41814033e6269537d692e0c53ee58f6c80184697564adf6969931370f50ca
MD5 SHA1 SHA512

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-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_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-1-5-21-3691908287-3775019229-3534252667-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2580	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2580	AcroRd32.exe
2580	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 108 wrote to memory of 2668	108	cmd.exe	29
PID 108 wrote to memory of 2668	108	cmd.exe	29
PID 108 wrote to memory of 2668	108	cmd.exe	29
PID 2668 wrote to memory of 2580	2668	rundll32.exe	30
PID 2668 wrote to memory of 2580	2668	rundll32.exe	30
PID 2668 wrote to memory of 2580	2668	rundll32.exe	30
PID 2668 wrote to memory of 2580	2668	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:108
- 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:2668
- - 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:2580

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

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 bc4df237bbf33d90055bda67e67eccd36ce72e85a450bf053ec260157eed2432
MD5 dd2eab2a7c58fd7a83681a5b85ab74ce
SHA1 600ee58390d1a9d01610df60ed3658355da99769
SHA512 9d71b72f27595619d89f15426c229ee8975b4fbb51fe44d85ddf6c75ddb022ab08dd480986ff3f60a33ec40760f229ec35930b867fcfdcbffa74f7b4d58cd988
MD5 SHA1 SHA512

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