26a32b71ef0e9ab0e40eea7e0e7994767588a87ec1398eab32aa28dd84ae6e90

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25-04-2024 12:18

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General

Target

Begavelsens/befolkningstallets.tnd
Size

2KB
MD5

c2d8cab2df0c5184a51cad4f321a64cc
SHA1

2068ec7cbee9bb22651b84cdfdb5258b62ea95ee
SHA256

21dfa4eabff3ca8cf50f2ad48ab42eb1616b76dcbcdae86705a4ffc204a36258
SHA512

0d521df41c6c415faa84244f153cfd653574356f21ae55a9cdbc24b7a8825454a661483a1405bb3ae71f067c7bfe7d1a4e729afc23a5346c36a524329a28d37b

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\tnd_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\tnd_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\tnd_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\tnd_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.tnd	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.tnd\ = "tnd_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\tnd_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\tnd_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2996 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2996 AcroRd32.exe
2996 AcroRd32.exe

pid	process
2996	AcroRd32.exe

pid	process
2996	AcroRd32.exe
2996	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2112 wrote to memory of 2688	2112	cmd.exe	rundll32.exe
PID 2112 wrote to memory of 2688	2112	cmd.exe	rundll32.exe
PID 2112 wrote to memory of 2688	2112	cmd.exe	rundll32.exe
PID 2688 wrote to memory of 2996	2688	rundll32.exe	AcroRd32.exe
PID 2688 wrote to memory of 2996	2688	rundll32.exe	AcroRd32.exe
PID 2688 wrote to memory of 2996	2688	rundll32.exe	AcroRd32.exe
PID 2688 wrote to memory of 2996	2688	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Begavelsens\befolkningstallets.tnd
1⤵
- Suspicious use of WriteProcessMemory
PID:2112

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Begavelsens\befolkningstallets.tnd
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\Begavelsens\befolkningstallets.tnd"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2996

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

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Downloads

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

MD5
ab7873a4debc593ac1b7aa8d2b34a421

SHA1
692e18c267b0e4b4e4ff2de42823291166367ff2

SHA256
710930fae2bb2160705fba2e55e1cbb5c14c17e358eed9a050bbad89c5e745f8

SHA512
bcfb7dd05a923b5aa16c89433b679df76a6a34b515383e828bbf8d35a150d1626a883c8b80d5b313672fffb61b571394d2105e0fe75d533c4f81a88ad584b7ec

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