4ec6ec5fe08b0eee840e4dd01f82e08c56789aeb4f5ed7498401cd8c65d29bfb

Analysis

max time kernel
141s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17/05/2024, 06:45

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General

Target

amtEDCTjQadgLql191.bin
Size

483KB
MD5

a69f1e78a8c774a8721c4430fb407c4c
SHA1

9b710d3f55d5ae292ca6c2af1847c661b89f96dd
SHA256

4ec6ec5fe08b0eee840e4dd01f82e08c56789aeb4f5ed7498401cd8c65d29bfb
SHA512

e2301609923d8fbb33d6da15af827a227faacdb6f23eb4547baee17c24f696e3eefda298471af90dfc95a3f3231d81fb174b9d378b163d9a3244d5294ff94228
SSDEEP

12288:weqvN3dnJtfEbnv8PSkEj9uz63RM4Lw2fXZo0HS3tJxEMf5KEpO2ePApfIc:wR9dnb0v8P7Ejg63Oyw2fXZS3rIPMgc

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-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\bin_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\bin_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.bin	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.bin\ = "bin_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\bin_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\bin_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\bin_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\bin_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
2712	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2712	AcroRd32.exe
2712	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 2852	1752	cmd.exe	29
PID 1752 wrote to memory of 2852	1752	cmd.exe	29
PID 1752 wrote to memory of 2852	1752	cmd.exe	29
PID 2852 wrote to memory of 2712	2852	rundll32.exe	30
PID 2852 wrote to memory of 2712	2852	rundll32.exe	30
PID 2852 wrote to memory of 2712	2852	rundll32.exe	30
PID 2852 wrote to memory of 2712	2852	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\amtEDCTjQadgLql191.bin
1⤵
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\amtEDCTjQadgLql191.bin
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2852
- - 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\amtEDCTjQadgLql191.bin"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2712

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
06a6fc80fd750a3359fcaa12f99391bf

SHA1
b9fb502a2e291fe5b421e3a0823f67fcdf23a567

SHA256
106a319c63c761901c4f0aa88dedcc161a7bb586bcb10f6dc64c3fe1c1291d1b

SHA512
8528af7f605f29808b8dfdb5fa296e96589ff88251026079c71679eaa9bc17e5253c764ce6c7ed70a98b3cb126384e3040e2c7de22682fe561dfa5da2c046288

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