15f5346f636fa7879882f23611d46da7d7fab3e03cf75366f8721fe54804f8fd

Analysis

max time kernel
120s
max time network
127s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-10-2024 22:22

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

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

555B
MD5

2b14c9284e5337eb2af6359827b523e9
SHA1

74f35cae83f8830c181240d945c94c162160c331
SHA256

eb1007f66f1c665f2a05156e78df47b7386736c9cdc272dbcc114ab3291029f7
SHA512

264399eb65d810e47bdd85a4cea943ab06937f44cf6510b71f4202cc745d49b3087b369a64d34e9db5e16365defbfd8a45336b0fbd0dba1d3e1972093be94dec

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2564	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2564	AcroRd32.exe
2564	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 2724	2252	cmd.exe	31
PID 2252 wrote to memory of 2724	2252	cmd.exe	31
PID 2252 wrote to memory of 2724	2252	cmd.exe	31
PID 2724 wrote to memory of 2564	2724	rundll32.exe	32
PID 2724 wrote to memory of 2564	2724	rundll32.exe	32
PID 2724 wrote to memory of 2564	2724	rundll32.exe	32
PID 2724 wrote to memory of 2564	2724	rundll32.exe	32

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:2252
- 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: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\writeconfig.py"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
789f74735488a71aae3d6e2cb1b43f05

SHA1
3bbcbf01e81ffb99b2917c461f0f7a0eda54eeb8

SHA256
7b90ac7093a2bacdfbaa5fb9bac2092c65b2699a47314d6252a70e0358ea25ce

SHA512
c2d28e55b513125237c126e60fb89fa3ce74851474ec315a222e3e17d4a18a7ba3be2a27d295f6fa9213943d6d43cbbdc92fa4ad27aefe33410c7f13242b108d

Download Submit