b2c2a9c32a27fe5c3872a0a96f96fad6597e4f8f5242ec90a7c2b69a1b409bb0

Resubmissions

11/02/2024, 22:08

240211-12e8qaca3t 10

11/02/2024, 22:01

240211-1xpxcsbh9s 10

Analysis

max time kernel
45s
max time network
16s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
11/02/2024, 22:01

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General

Target

empyrean-main/LICENSE.md
Size

1KB
MD5

258fbe6a6a66d92f8aef944eeaa547df
SHA1

a57aa2dace7a2e9e4f997a11cd5cde2a51284218
SHA256

1e5a9cd584cf92ffdc1b1143804fce7104ad5c5eb71f0bbb1d58452286a1e1a4
SHA512

a491cd4295e1d1209b2babd1da276233df4718f490f0d99f8e4a2ae6c5c7ef0db707e47bfb997a72d7872cfcc54cb9407998444401bdecabef8127b9caf92f88

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-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\md_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.md	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\md_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\md_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.md\ = "md_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\md_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_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-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\md_auto_file\	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2088	AcroRd32.exe
2088	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2256	2072	cmd.exe	29
PID 2072 wrote to memory of 2256	2072	cmd.exe	29
PID 2072 wrote to memory of 2256	2072	cmd.exe	29
PID 2256 wrote to memory of 2088	2256	rundll32.exe	30
PID 2256 wrote to memory of 2088	2256	rundll32.exe	30
PID 2256 wrote to memory of 2088	2256	rundll32.exe	30
PID 2256 wrote to memory of 2088	2256	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\empyrean-main\LICENSE.md
1⤵
- Suspicious use of WriteProcessMemory
PID:2072
- 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\LICENSE.md
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2256
- - 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\LICENSE.md"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2088

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
5fef22ad3da9d2110150bf43f846a015

SHA1
acb9e19157259a7034141f6a1488fe21cc89a27d

SHA256
d2dfa5066c230049617da5d6bf7e89816333bf01316fe3b400274806e2f1172d

SHA512
e850591ccb967098d3f02008210cc6f71bf1012c00d7d8960312c99fc5bcc67a68fd1adce941a291e64ebf329f51a3dcf49b65d422091ea4937f8f42cb84e8df

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