23f5c5cab3ddcb54202a229c8d64dc1fe66aff31e4de3f518fe9c9948f8e0cc9

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29/04/2024, 03:51

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General

Target

Vast gen/crack.dll
Size

4.9MB
MD5

69723359992ce5115d9b42638cc002e2
SHA1

72a48b2a1499a1588c9b9f3802cac8b2c672203f
SHA256

60c9cf09e8a9c2b2226b7088caea9ec876bfc9cdf890391bd05232114073dc9b
SHA512

598ca6dedf80c30eaea5a74b309f739b16a833bcaac00489b9d7bc97d4dc858023f2bcca60b3dc6374292c0bff1a082540bb9a3217da90381834cc8dfa664b91
SSDEEP

98304:+SyfeXYCYOJ0fn/XqE/1Y7UN3HGuHWGUKxEbem/4MBNDfdmjLdGGf:+SyKkx/e7D8WtbeY/LC

Score

9^/10

evasion trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	rundll32.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	rundll32.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2360	2908	rundll32.exe	28
PID 2908 wrote to memory of 2360	2908	rundll32.exe	28
PID 2908 wrote to memory of 2360	2908	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Vast gen\crack.dll",#1
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2908 -s 104
  2⤵
  PID:2360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2908-2-0x0000000073290000-0x0000000073C68000-memory.dmp

Filesize
9.8MB

Download
memory/2908-6-0x0000000073290000-0x0000000073C68000-memory.dmp

Filesize
9.8MB

Download
memory/2908-5-0x0000000073290000-0x0000000073C68000-memory.dmp

Filesize
9.8MB

Download
memory/2908-3-0x0000000073290000-0x0000000073C68000-memory.dmp

Filesize
9.8MB

Download
memory/2908-1-0x0000000073290000-0x0000000073C68000-memory.dmp

Filesize
9.8MB

Download
memory/2908-4-0x0000000073290000-0x0000000073C68000-memory.dmp

Filesize
9.8MB

Download
memory/2908-0-0x0000000073290000-0x0000000073C68000-memory.dmp

Filesize
9.8MB

Download
memory/2908-7-0x0000000073290000-0x0000000073C68000-memory.dmp

Filesize
9.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads