15f5346f636fa7879882f23611d46da7d7fab3e03cf75366f8721fe54804f8fd

Analysis

max time kernel
121s
max time network
128s
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

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General

Target

empyrean-main/src/main.py
Size

1KB
MD5

db5386b5f9edfc7500d0508fc49a9a59
SHA1

4c79b803e2090d86dd38c7671b1a9b5322b3cf3a
SHA256

ddfbeb221f72eaa4c8e2e4dcdf604307dcfd0d9168c0837a10110cd809f82060
SHA512

a5c6435242930285e41e98e7284fdb0708f654b849e697bd10e8ad12631d5e83e647b775a1bf6d61b9a2958d4969c475055ff3071affcefceed3234b92d69634

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-1-5-21-4177215427-74451935-3209572229-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2864	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2864	AcroRd32.exe
2864	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 1820	1548	cmd.exe	29
PID 1548 wrote to memory of 1820	1548	cmd.exe	29
PID 1548 wrote to memory of 1820	1548	cmd.exe	29
PID 1820 wrote to memory of 2864	1820	rundll32.exe	30
PID 1820 wrote to memory of 2864	1820	rundll32.exe	30
PID 1820 wrote to memory of 2864	1820	rundll32.exe	30
PID 1820 wrote to memory of 2864	1820	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\empyrean-main\src\main.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1548
- 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\src\main.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1820
- - 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\src\main.py"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2864

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
84516a00440291a311ffdbcbceb3dd22

SHA1
4814310acd6f0d9818925531837b8dd6d9f9eed9

SHA256
be17bf8f8b7f3f844e2e871bc30e707ae005432f11b4d282d11e11a0d1a7cf09

SHA512
9d711a17207e193e48782f9fb7a3ee58a658b3a742e1fca07c66ecacc73648dad8aefad737f6ea5b6a3ad517ba45a21a0bebf03fd2e291d74feaaf6722c3cdc8

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