15f5346f636fa7879882f23611d46da7d7fab3e03cf75366f8721fe54804f8fd

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
16-08-2024 20:32

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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 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\py_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\py_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2968	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2968	AcroRd32.exe
2968	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 2280	2436	cmd.exe	31
PID 2436 wrote to memory of 2280	2436	cmd.exe	31
PID 2436 wrote to memory of 2280	2436	cmd.exe	31
PID 2280 wrote to memory of 2968	2280	rundll32.exe	33
PID 2280 wrote to memory of 2968	2280	rundll32.exe	33
PID 2280 wrote to memory of 2968	2280	rundll32.exe	33
PID 2280 wrote to memory of 2968	2280	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\empyrean-main\src\main.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2436
- 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:2280
- - 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:2968

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
24982620f82c4b6075f9512510c8e04c

SHA1
47316b759b0c1b798aa115ee50c2ce8a584f65f7

SHA256
761b2f9e7936680e4e7bc90f9667742999a408492ccea3c6e9d5a5c641720db6

SHA512
cc7d338f73cf51de8b0b551e93c09c1ef77c41bd6d8d92fbbc63aaa0c8e6eb52ca9a443b02ea8c8457009f33451169aa9c0c79778a90a64e515c1a067a894ac5

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