d16dddc1e9ad69c5ef67afd93eb801c74ca5b95ec8b46741786c8c8ec47b1b1d

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24-05-2024 20:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

base001.avd
Size

268B
MD5

275c9b3d643f138225d0982245f54f9b
SHA1

a201aa1b25f0236630f190b1f088cad1a7aa2105
SHA256

31b2a7ba93c459ef724e664505240ec8c0dfb495045ca3dda1094ab50f47d2ed
SHA512

9c28ddc3cd080a9ab9a0a0a0bffd38fdea4e76ec2844b909a96db52824714f6b753a4d8fb55d10319cff348b59950812471f77694e90cb234593b5e09b9beba6

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

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\avd_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\avd_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-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\avd_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.avd	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.avd\ = "avd_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\avd_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\avd_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\avd_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2528 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2528 AcroRd32.exe
2528 AcroRd32.exe

pid	process
2528	AcroRd32.exe

pid	process
2528	AcroRd32.exe
2528	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1732 wrote to memory of 2564	1732	cmd.exe	rundll32.exe
PID 1732 wrote to memory of 2564	1732	cmd.exe	rundll32.exe
PID 1732 wrote to memory of 2564	1732	cmd.exe	rundll32.exe
PID 2564 wrote to memory of 2528	2564	rundll32.exe	AcroRd32.exe
PID 2564 wrote to memory of 2528	2564	rundll32.exe	AcroRd32.exe
PID 2564 wrote to memory of 2528	2564	rundll32.exe	AcroRd32.exe
PID 2564 wrote to memory of 2528	2564	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\base001.avd
1⤵
- Suspicious use of WriteProcessMemory
PID:1732

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\base001.avd
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2564

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\base001.avd"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2528

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Filesize
3KB

MD5
61e2eb400f0fdcead733cfc7724a02f2

SHA1
62b21ae61f95b7823d031f09e3079ba0bd33f828

SHA256
daced6779687734c943bb61ce5c1316f91dbadf28dc40ffc5c96fb0a8c5f2d00

SHA512
94d3693f0253e95418ae1c74d89dcf4890181a65a6a7ea87b42e459d4f2f6e40c5a8565c339e28692c98061332a48e5b8976d6cb42101b02a63abcee6dd676f5

Download Submit