e6f27d0e9530edd04a6343618eb98ea1cd748625f42aa0a7ea87b73a8bd886f7

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
03/10/2024, 17:31

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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

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-1-5-21-2703099537-420551529-3771253338-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2772	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2772	AcroRd32.exe
2772	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 492	2592	cmd.exe	31
PID 2592 wrote to memory of 492	2592	cmd.exe	31
PID 2592 wrote to memory of 492	2592	cmd.exe	31
PID 492 wrote to memory of 2772	492	rundll32.exe	33
PID 492 wrote to memory of 2772	492	rundll32.exe	33
PID 492 wrote to memory of 2772	492	rundll32.exe	33
PID 492 wrote to memory of 2772	492	rundll32.exe	33

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:2592
- 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:492
- - 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:2772

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
3cfe52d5e683d2054c79feb42d120463

SHA1
2c7dc1878a8c33eaa62b62faba8becc6f2e5504a

SHA256
a7ba51232a2d56c2b2732b85800f9985ed2348330e78f30498b160cb3ae39651

SHA512
6b33ae821568445a96a15bc01c71e1f799bbbd65b8af34909bd01b064ae44bf796297127264b2282b63822ed041e38f3533637d371a7a47dadf60ff3d04c4a34

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