28f7022f5b8cce59a2c291afed3089581735a36ea49620c1c46d8517500de0c1

Analysis

max time kernel
142s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
11-01-2024 05:59

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General

Target

Crack/DSRegVEM.dll
Size

756KB
MD5

82e192a5d8843538181df89da4d14c6f
SHA1

a68932476692b768154111c5dc7326b280b59685
SHA256

033cde69d71a5cfcd107f6243c0fe22d2b4bfe3d246716883f2582860d3ddd16
SHA512

a0379aa6cfb3282fa9eea8e646060bcfdcc1b191743df81739e3881e299d9ba758d3835208c54d22465afe3adde2f44541af63dfa021afba240a86df08b7787a
SSDEEP

12288:Q3tFVz8bj+fqtJiwZ/Uq1eTLygp0ncDB8MYNpsluyrK:Q3tbz8v+fq/VZ88QXAMYNWlNr

Score

7^/10

Malware Config

Signatures

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\SystemBiosDate	rundll32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2DEF3D72-E600-7107-224E-ABAE51124566}\InprocServer32\Class = "Microsoft.Vbe.Interop.VBProjectsClass"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2DEF3D72-E600-7107-224E-ABAE51124566}\InprocServer32\14.0.0.0\Assembly = "Microsoft.Vbe.Interop, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71E9BCE111E9429C"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2DEF3D72-E600-7107-224E-ABAE51124566}\InprocServer32\14.0.0.0\Class = "Microsoft.Vbe.Interop.VBProjectsClass"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2DEF3D72-E600-7107-224E-ABAE51124566}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2DEF3D72-E600-7107-224E-ABAE51124566}\InprocServer32\Assembly = "Microsoft.Vbe.Interop, Version=14.0.0.0, Culture=neutral, PublicKeyToken=71E9BCE111E9429C"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2DEF3D72-E600-7107-224E-ABAE51124566}\InprocServer32\RuntimeVersion = "v2.0.50727"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2DEF3D72-E600-7107-224E-ABAE51124566}\InprocServer32\14.0.0.0	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2DEF3D72-E600-7107-224E-ABAE51124566}\InprocServer32\14.0.0.0\RuntimeVersion = "v2.0.50727"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2DEF3D72-E600-7107-224E-ABAE51124566}\InprocServer32	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 2772	2304	rundll32.exe	28
PID 2304 wrote to memory of 2772	2304	rundll32.exe	28
PID 2304 wrote to memory of 2772	2304	rundll32.exe	28
PID 2304 wrote to memory of 2772	2304	rundll32.exe	28
PID 2304 wrote to memory of 2772	2304	rundll32.exe	28
PID 2304 wrote to memory of 2772	2304	rundll32.exe	28
PID 2304 wrote to memory of 2772	2304	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Crack\DSRegVEM.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Crack\DSRegVEM.dll,#1
  2⤵
  - Checks BIOS information in registry
  - Modifies registry class
  PID:2772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2772-1-0x0000000010000000-0x0000000010475000-memory.dmp

Filesize
4.5MB

Download
memory/2772-0-0x00000000007D0000-0x000000000081B000-memory.dmp

Filesize
300KB

Download
memory/2772-6-0x00000000007D0000-0x000000000081B000-memory.dmp

Filesize
300KB

Download
memory/2772-7-0x0000000010000000-0x0000000010475000-memory.dmp

Filesize
4.5MB

Download
memory/2772-9-0x00000000007D0000-0x000000000081B000-memory.dmp

Filesize
300KB

Download