e6f27d0e9530edd04a6343618eb98ea1cd748625f42aa0a7ea87b73a8bd886f7

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
03-10-2024 17:31

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General

Target

empyrean-main/builder/main.py
Size

1KB
MD5

ba1fda5f75f9c66d0cc0c0b8c765f3b5
SHA1

24910918fea9ce6fea7e5fb8789c0af5269d867a
SHA256

babf25f3a055d02fae10d5b68b909bd60cfbb7772eb726bd7d617c488db221d0
SHA512

d9cc84eabd33bafcf0348f2bd9c421baa1559a0a6aa871c66826645fc01fba19491647b93a54baedc6f3e1da1c88546455d0e99b045837a6464494c2953de025

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-1-5-21-3434294380-2554721341-1919518612-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2604	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2604	AcroRd32.exe
2604	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 2800	2460	cmd.exe	32
PID 2460 wrote to memory of 2800	2460	cmd.exe	32
PID 2460 wrote to memory of 2800	2460	cmd.exe	32
PID 2800 wrote to memory of 2604	2800	rundll32.exe	33
PID 2800 wrote to memory of 2604	2800	rundll32.exe	33
PID 2800 wrote to memory of 2604	2800	rundll32.exe	33
PID 2800 wrote to memory of 2604	2800	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\empyrean-main\builder\main.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2460
- 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\main.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2800
- - 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\main.py"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2604

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

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Downloads

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

Filesize
3KB

MD5
3a4e74b4c861a54f560411e6b8f35ceb

SHA1
48fecf32bd1b96c168948ce31c5fdd64983bfee7

SHA256
d573e491075fed2ef15a709b90efe0dd68ed69c946be0b6350e05d15f66871a7

SHA512
388327ebab9167797fc0621f875b6a45405cd6686981cee693f458eb2b998bcc319e46aca14d034e6c445a067661c982a95e540fe08eed1246d10cb4e6d5b5b5

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