d2379b6baab95a3cf0be78b228374082ca9ee5b76510c7b333c95af38db24e7e

Analysis

max time kernel
155s
max time network
72s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
10/10/2023, 08:14

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General

Target

sharedassets209.resource
Size

98KB
MD5

7f44cc905f37c020a6bfd98ea1ccd108
SHA1

325c077ccfb830c514c5b6c3115fa70942989d90
SHA256

90688b703453bcb10727c975acfab3a21b89d2054883c3c27aac1a6533b4163b
SHA512

48c7b9d7cf8faecf578f3c4ef44e60236e13c74350a481e0051f7ae23cafc0792467823f1c93f70dc861094acdf20d94b8560562631bb4d8d6b052214a925fce
SSDEEP

3072:vNknXghrbMYyR2K1MjAq+gyEcOyHIHOWSOIx0S5vEc:xl82KXq/ZyHIHOzXJ5D

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-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\resource_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\resource_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\.resource	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\.resource\ = "resource_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\resource_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\resource_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\resource_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\resource_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
1292	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1292	AcroRd32.exe
1292	AcroRd32.exe
1292	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 2556	2624	cmd.exe	31
PID 2624 wrote to memory of 2556	2624	cmd.exe	31
PID 2624 wrote to memory of 2556	2624	cmd.exe	31
PID 2556 wrote to memory of 1292	2556	rundll32.exe	32
PID 2556 wrote to memory of 1292	2556	rundll32.exe	32
PID 2556 wrote to memory of 1292	2556	rundll32.exe	32
PID 2556 wrote to memory of 1292	2556	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\sharedassets209.resource
1⤵
- Suspicious use of WriteProcessMemory
PID:2624
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\sharedassets209.resource
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2556
- - 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\sharedassets209.resource"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1292

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

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
beacc78ebef609dc2fe3ed33c8dcbcb5

SHA1
33c356417449325372f3b79c13ff71801b086059

SHA256
f929ab188a3207cd6e50a379b8e6d97eaf87a7d23d75bda0ce94f5c90a6aca1e

SHA512
c480690df663e81038a6f57cdf73f0d6eab0db6f6f73afa9562465250df908b4ebbadc6fb76814892cccfe2e24371b51a10f0e1a96ca45a6df656aa54883aa00

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