b2c2a9c32a27fe5c3872a0a96f96fad6597e4f8f5242ec90a7c2b69a1b409bb0

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15-03-2024 08:22

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General

Target

empyrean-main/src/components/systeminfo.py
Size

6KB
MD5

dacc6629a93a629f2e5e8dd6e6ac8752
SHA1

f0b8436cf7d2e9fcc3d84da50955b82b9817eef4
SHA256

e4aa53a74dbe1a23ddd6b678ef982cb1ce680e50385dba761f5e4971944abf8d
SHA512

5ba2c0a24cb45f306bcc5d91be69f5e2ca90bccae0988874491a5e6018858e0a90f5c5b292365f6662c2f812d156e8dac71297afe395ec813a28a75c577c7e2a
SSDEEP

96:o62a5Q8kjqXmBHyCOMHdpvlGa4sVV2iHhhrqZb+zadcTP9eTnSIf:PQRyGTka/T2oOZazaaL9erj

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_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-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\py_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2732	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2732	AcroRd32.exe
2732	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 2648	2032	cmd.exe	29
PID 2032 wrote to memory of 2648	2032	cmd.exe	29
PID 2032 wrote to memory of 2648	2032	cmd.exe	29
PID 2648 wrote to memory of 2732	2648	rundll32.exe	30
PID 2648 wrote to memory of 2732	2648	rundll32.exe	30
PID 2648 wrote to memory of 2732	2648	rundll32.exe	30
PID 2648 wrote to memory of 2732	2648	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\empyrean-main\src\components\systeminfo.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2032
- 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\components\systeminfo.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2648
- - 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\components\systeminfo.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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
bbab9fbccc9fa3c3b697f5a2b4532d26

SHA1
14fca68e543dcbdcd540d90f894d0aec79446959

SHA256
c1da7f6a47f793da15384b9c4b360e1360e43d3c268ff026dfea07d8e4e67d0a

SHA512
2a51f28537f9e68d3ab8b2d24dcf849f0db2c1546e270492ff3344954882dfe4fc7e3e46805c089e6043cc99b134551a49444c16f60c9b171214412cd64bd712

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