15f5346f636fa7879882f23611d46da7d7fab3e03cf75366f8721fe54804f8fd

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-09-2024 22:46

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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
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_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-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000_CLASSES\py_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2740	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2740	AcroRd32.exe
2740	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 1960	1924	cmd.exe	31
PID 1924 wrote to memory of 1960	1924	cmd.exe	31
PID 1924 wrote to memory of 1960	1924	cmd.exe	31
PID 1960 wrote to memory of 2740	1960	rundll32.exe	32
PID 1960 wrote to memory of 2740	1960	rundll32.exe	32
PID 1960 wrote to memory of 2740	1960	rundll32.exe	32
PID 1960 wrote to memory of 2740	1960	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\empyrean-main\src\main.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1924
- 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:1960
- - 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:2740

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
491ae47bb84470e89f127b2bbb9c8063

SHA1
41be25aa2bfcdbab64cd799004cb186ed2f9bfbe

SHA256
829f99a62cf6726945f22c7e5db4f4451af628fcbfa9f7e0182e416245d6241f

SHA512
90357532f3e91499164368fcb34da13912d34eb95c0b7bbb7be8d0e56fa05fd9bb7c0ad2b69355d167056937ceb86315e16aeb58030c72ac65b08edc6d71b217

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