15f5346f636fa7879882f23611d46da7d7fab3e03cf75366f8721fe54804f8fd

Analysis

max time kernel
120s
max time network
121s
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/components/antidebug.py
Size

11KB
MD5

47ae6ac6b52d97d6b952b140e82ff9cf
SHA1

eebba9b7e4dd198d4050e597bab281b87d5785da
SHA256

92e1b4427e17cc7ffcce8f62a3bba16455110086314577fa76ba87804dc6803c
SHA512

97bba85c42ba15f48f2c21843bbccc4af7a3b08bd93d44db5361458900c9e3a3d0607cff38e7b078883ffc6d8fad0dcb9a422015f1165442bd7ddeaa32707e5a
SSDEEP

192:0PRZOKV83Gsn8ZBwh9JYmypzrKU8zrPsR0TtsBWaOJjd5vpV5M7/K/m:0ZTd+nJYJzrn+rgeeWaOJjd5vpVCH

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-1-5-21-3533259084-2542256011-65585152-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	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 1840 wrote to memory of 2336	1840	cmd.exe	31
PID 1840 wrote to memory of 2336	1840	cmd.exe	31
PID 1840 wrote to memory of 2336	1840	cmd.exe	31
PID 2336 wrote to memory of 2772	2336	rundll32.exe	33
PID 2336 wrote to memory of 2772	2336	rundll32.exe	33
PID 2336 wrote to memory of 2772	2336	rundll32.exe	33
PID 2336 wrote to memory of 2772	2336	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\empyrean-main\src\components\antidebug.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1840
- 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\antidebug.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2336
- - 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\antidebug.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
77c7a7fad6e836aa1215ebd9d9f725a0

SHA1
c92365f01f9aeda4059e6b9071e071d406e806c0

SHA256
7ae78abf039220daaf633b0f8f6b976a52d71d49a7d91cfaf73b0fd4f3e859fd

SHA512
205ece6160bdf57f5b3decc6952ee3b9d1d58fcd72c9767e192d20491c1377f0b62e72c1c0faa5dab0fca9c0d16494300af9054eb01a24c25a694e65227c4ff2

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