15f5346f636fa7879882f23611d46da7d7fab3e03cf75366f8721fe54804f8fd

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02-10-2024 22:22

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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-1-5-21-3551809350-4263495960-1443967649-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2172	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2172	AcroRd32.exe
2172	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2772	2364	cmd.exe	31
PID 2364 wrote to memory of 2772	2364	cmd.exe	31
PID 2364 wrote to memory of 2772	2364	cmd.exe	31
PID 2772 wrote to memory of 2172	2772	rundll32.exe	32
PID 2772 wrote to memory of 2172	2772	rundll32.exe	32
PID 2772 wrote to memory of 2172	2772	rundll32.exe	32
PID 2772 wrote to memory of 2172	2772	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\empyrean-main\builder\main.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2364
- 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:2772
- - 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:2172

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

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Downloads

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

Filesize
3KB

MD5
5af75d1592d5c7d7e0b7baaed040da2e

SHA1
1739284b3a26224bc2f74c50cb4ca74658c2a0b2

SHA256
a2e5aec2a09ea62a159c5537b9132fb5581e30844668212973fff536114dcd83

SHA512
ea1ec53333966ae01422c9c0f991524f7e37720970a930ea6a621f68abc9e3f91914d3ae31c8f11ca8b04d1b9facc23ccbae88084d8cc45f67296e1a19dd4ab6

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