b2c2a9c32a27fe5c3872a0a96f96fad6597e4f8f5242ec90a7c2b69a1b409bb0

Resubmissions

11/02/2024, 22:08

240211-12e8qaca3t 10

11/02/2024, 22:01

240211-1xpxcsbh9s 10

Analysis

max time kernel
102s
max time network
16s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
11/02/2024, 22:01

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General

Target

empyrean-main/CONTRIBUTING.md
Size

1KB
MD5

e0e6d0734274226c6fa4df1a423c65f1
SHA1

7c85b84c00fad6e92dd45d560532cb04101584d0
SHA256

4e8836498c51c5afb831b600289318102088a8418b60550af9c0763de85e2b3f
SHA512

eb9dd9fb4b089a0665378a49172b013613ec7db3eea9c2f5ea0832579194cc405f2432e307ffb4edf6f7f0bd46e5962044161deb7bba994d35bd882bb7860dd6

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-1-5-21-3470981204-343661084-3367201002-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\md_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\md_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\md_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\md_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\md_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\md_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\.md	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\.md\ = "md_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2568	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2568	AcroRd32.exe
2568	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 2548	1996	cmd.exe	29
PID 1996 wrote to memory of 2548	1996	cmd.exe	29
PID 1996 wrote to memory of 2548	1996	cmd.exe	29
PID 2548 wrote to memory of 2568	2548	rundll32.exe	30
PID 2548 wrote to memory of 2568	2548	rundll32.exe	30
PID 2548 wrote to memory of 2568	2548	rundll32.exe	30
PID 2548 wrote to memory of 2568	2548	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\empyrean-main\CONTRIBUTING.md
1⤵
- Suspicious use of WriteProcessMemory
PID:1996
- 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\CONTRIBUTING.md
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2548
- - 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\CONTRIBUTING.md"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2568

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
368d85309bbab2cbe860def44e2465b4

SHA1
9cc18d4da399e68e540d37b82b6fd78ccc1cb4b8

SHA256
2574bf72a69ce20da7ef3ed1b4ddb9aeef77b99d10c8835603ae9ae2213f372b

SHA512
cf66a8bcdb935c2ff5eec5c04cefdea92b0000028b3dd7e46ece49e39d6327d2412f4f5109aac36b0df6efbcd8ab53ca6c423d0677a9aa191808b6fac2d73dae

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