f68e1c8deae6ab2faf3b8b00a3a8fcc3869015e37cc7040205481fc82302f582

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
11/04/2024, 05:49

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General

Target

empyrean-main/README.md
Size

3KB
MD5

1d94daec75f11af108090237254910e2
SHA1

65b984486d9b173436acd09623589170d0b0c5cd
SHA256

bb8a7b6dec232470fd91fdd05ac759291b97eb6a8053206d132c5a32f7be8b09
SHA512

f7d2b5b4da3474ce40477d5877d77f8d24841f96936fd509fad1d45c41edd161d301c40fc723820eb815a9a0177b475e94e02866a6d10c7f9c7f445d4c413437

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.md\ = "md_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\md_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\md_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.md	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\md_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\md_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\md_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\md_auto_file\shell\Read\command	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1284	AcroRd32.exe
1284	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2960 wrote to memory of 2640	2960	cmd.exe	29
PID 2960 wrote to memory of 2640	2960	cmd.exe	29
PID 2960 wrote to memory of 2640	2960	cmd.exe	29
PID 2640 wrote to memory of 1284	2640	rundll32.exe	30
PID 2640 wrote to memory of 1284	2640	rundll32.exe	30
PID 2640 wrote to memory of 1284	2640	rundll32.exe	30
PID 2640 wrote to memory of 1284	2640	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\empyrean-main\README.md
1⤵
- Suspicious use of WriteProcessMemory
PID:2960
- 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\README.md
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2640
- - 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\README.md"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1284

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
ad54b3d0dfc15968ce52903637579fe1

SHA1
0343507f549ffd0be0684d37a823dc3549d11e5a

SHA256
46115eeb3d7e00eac3f87b7da1da34a96c0d24b2eb74cc0880f62a44f88a6a2e

SHA512
15dda18ec3a7d289af707fe299d693b60d6537a835b5296a9a622d7485d6ff395937ced3173048a6765f19cac68beaa1d5975c151baf3bfa2f2cac702546485d

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