b2c2a9c32a27fe5c3872a0a96f96fad6597e4f8f5242ec90a7c2b69a1b409bb0

Resubmissions

11/02/2024, 22:08

240211-12e8qaca3t 10

11/02/2024, 22:01

240211-1xpxcsbh9s 10

Analysis

max time kernel
34s
max time network
19s
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/writeconfig.py
Size

555B
MD5

2b14c9284e5337eb2af6359827b523e9
SHA1

74f35cae83f8830c181240d945c94c162160c331
SHA256

eb1007f66f1c665f2a05156e78df47b7386736c9cdc272dbcc114ab3291029f7
SHA512

264399eb65d810e47bdd85a4cea943ab06937f44cf6510b71f4202cc745d49b3087b369a64d34e9db5e16365defbfd8a45336b0fbd0dba1d3e1972093be94dec

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-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_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-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\py_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2428	AcroRd32.exe
2428	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2668	2280	cmd.exe	29
PID 2280 wrote to memory of 2668	2280	cmd.exe	29
PID 2280 wrote to memory of 2668	2280	cmd.exe	29
PID 2668 wrote to memory of 2428	2668	rundll32.exe	30
PID 2668 wrote to memory of 2428	2668	rundll32.exe	30
PID 2668 wrote to memory of 2428	2668	rundll32.exe	30
PID 2668 wrote to memory of 2428	2668	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\empyrean-main\builder\util\writeconfig.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2280
- 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\writeconfig.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\writeconfig.py"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2428

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
c40414a9e3dc0a6af7d414e68600a4c4

SHA1
da6acc621e15eedd0a5a777e0f6d66fa0de28b3b

SHA256
f7c3810c3cceab597b3d8356962a2085d0d72250e642f57a1885f57863af9a6a

SHA512
87afd9146304a5bc5f78877d862b2c1fc31583ebc111691ca0f5751befb9dc853f72ab226e5a3fcefcbf23c1da35c34544e86ad53eef65935242d47038e5f831

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