d2379b6baab95a3cf0be78b228374082ca9ee5b76510c7b333c95af38db24e7e

Analysis

max time kernel
153s
max time network
61s
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

sharedassets208.resource
Size

45KB
MD5

dd4f5b91bfaa14976c1dbfee56706974
SHA1

9246770bb6a8f5a8ab97a563045a4376df7fe4e1
SHA256

6ea5ff9c7b0f13be4b10c21b22456d0195b38122ef5c532a44e879954a1d8c3a
SHA512

ea8a9625575d29d4faff6647189273bd89a132b51603e25698d21eb418da2d758bb285d787fd53f7e88348c7222adcfd9024c79b1154b91e859ac29bb2a2091f
SSDEEP

768:TRqMax/E/fuoswsapKBl5XN982yd4DteoPf/uYjjLGSw5cZK:UMa/6fuoJsaml5XN9IuDtZGYj/C

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-1-5-21-3849525425-30183055-657688904-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\resource_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\resource_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\resource_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\resource_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\resource_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\.resource	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\.resource\ = "resource_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\resource_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2520	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2520	AcroRd32.exe
2520	AcroRd32.exe
2520	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2752 wrote to memory of 2688	2752	cmd.exe	31
PID 2752 wrote to memory of 2688	2752	cmd.exe	31
PID 2752 wrote to memory of 2688	2752	cmd.exe	31
PID 2688 wrote to memory of 2520	2688	rundll32.exe	32
PID 2688 wrote to memory of 2520	2688	rundll32.exe	32
PID 2688 wrote to memory of 2520	2688	rundll32.exe	32
PID 2688 wrote to memory of 2520	2688	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\sharedassets208.resource
1⤵
- Suspicious use of WriteProcessMemory
PID:2752
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\sharedassets208.resource
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2688
- - 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\sharedassets208.resource"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2520

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
53d453743614649a35a9a9088dbddf21

SHA1
ea2be94bb2c6364580c97fa5047ca0fef9b216a2

SHA256
496aa9b716aa3a7dba74baba2b1a78ab9b876d8ede32cd507abd228605d96197

SHA512
9fa754352b925beeb026bf5863bbbfd4c93ecefe212314aad7b6a0b5aaea3695d802c6457f11ab0d245107e94e4449d4534d8d74b519d4df8c9a81025c1b07a4

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