a7d2ea641dbc8e50000e6b42c9cca200fa25d5e37ddd1857eb489795ab5564ee

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
27-06-2024 13:35

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General

Target

Beskikningers/Randon17.vgr
Size

1.0MB
MD5

7978bf27082616faade55b22394bbddc
SHA1

3cb41f03b1cd775f7f6bc9b95944854dda87bf36
SHA256

b88a13eb0eedb9be6e1f809d0b8a55979186db208858fedce5a59b28556b248b
SHA512

9a734b8285c96706c434aedf2abf6666e82ec257defab74213c50b18a5c7b23b3a48d76fe64e4cc6446cc460095cea3f37d8029fa28b9198f4a371ba1c23922b
SSDEEP

768:DfIbQMnX/cgMWndUtQ//KuGQ+4xRoQoezjVn20Ka17J6T0vbXHtPSeySgSJSejnK:VIbm

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-1-5-21-481678230-3773327859-3495911762-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\vgr_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.vgr\ = "vgr_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\vgr_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\vgr_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\vgr_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\vgr_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.vgr	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\vgr_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2628 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2628 AcroRd32.exe
2628 AcroRd32.exe

pid	process
2628	AcroRd32.exe

pid	process
2628	AcroRd32.exe
2628	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2944 wrote to memory of 2688	2944	cmd.exe	rundll32.exe
PID 2944 wrote to memory of 2688	2944	cmd.exe	rundll32.exe
PID 2944 wrote to memory of 2688	2944	cmd.exe	rundll32.exe
PID 2688 wrote to memory of 2628	2688	rundll32.exe	AcroRd32.exe
PID 2688 wrote to memory of 2628	2688	rundll32.exe	AcroRd32.exe
PID 2688 wrote to memory of 2628	2688	rundll32.exe	AcroRd32.exe
PID 2688 wrote to memory of 2628	2688	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Beskikningers\Randon17.vgr
1⤵
- Suspicious use of WriteProcessMemory
PID:2944

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Beskikningers\Randon17.vgr
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\Beskikningers\Randon17.vgr"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2628

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
bc482bf57b73bfb980eed9ecad4b0c31

SHA1
4b1f6f9242c2a78f2789822ed6b396a3ca0d6aa9

SHA256
0ec053636a9d4362cd923eaf43e3578f147f7b201a7997c6b6d67c32406b4ef3

SHA512
23c30d9bc1e7027fda4db441ca0a4314e6e3529d4cdfbc65210c02a8ffc921282f97868ecf23af6399d06a165937411552c08d64cefe47b16a4ef1a6cfc546e3

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