6ac207559706d6f6e7f95d6cb3754f75e9f0b3b962cadb2a3f85a46a1aff3422

Analysis

max time kernel
151s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 12:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

SecuriteInfo.com.Trojan.MulDrop3.26100.10656.22623.dll
Size

1.8MB
MD5

ff9f837f2e437d55dab3110bfc17b0a2
SHA1

bf3a403e81a5db31e8ea3d34f01408ba47d1fab6
SHA256

6ac207559706d6f6e7f95d6cb3754f75e9f0b3b962cadb2a3f85a46a1aff3422
SHA512

d1a161567514bba1e20d53334e23bf654416d91261ec3981dde65a846f584b03a90abee534fe93973b28389a83e2293c7619ba58f1a0b35a5b4a899143362947
SSDEEP

24576:203bWVWrpjTfAVkpy+WH1/Q0cisbEqwV47AaZbTaA3ssy3ll43I5xMVsbOOOjygs:5bEQj4m9nIFVsL/Tc5lGsiojtqIbb

Score

7^/10

bootkit evasion persistence

Malware Config

Signatures

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Wine	rundll32.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4936	rundll32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4936	rundll32.exe
4936	rundll32.exe
4936	rundll32.exe
4936	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1408 wrote to memory of 4936	1408	rundll32.exe	84
PID 1408 wrote to memory of 4936	1408	rundll32.exe	84
PID 1408 wrote to memory of 4936	1408	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MulDrop3.26100.10656.22623.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1408
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MulDrop3.26100.10656.22623.dll,#1
  2⤵
  - Identifies Wine through registry keys
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  PID:4936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4936-0-0x0000000010000000-0x0000000010360000-memory.dmp

Filesize
3.4MB

Download
memory/4936-1-0x0000000000600000-0x000000000069D000-memory.dmp

Filesize
628KB

Download
memory/4936-2-0x0000000010000000-0x0000000010360000-memory.dmp

Filesize
3.4MB

Download
memory/4936-3-0x0000000003320000-0x0000000003321000-memory.dmp

Filesize
4KB

Download
memory/4936-4-0x0000000003340000-0x0000000003341000-memory.dmp

Filesize
4KB

Download
memory/4936-6-0x0000000003360000-0x0000000003361000-memory.dmp

Filesize
4KB

Download
memory/4936-7-0x0000000003330000-0x0000000003331000-memory.dmp

Filesize
4KB

Download
memory/4936-5-0x0000000003350000-0x0000000003351000-memory.dmp

Filesize
4KB

Download
memory/4936-8-0x0000000000300000-0x0000000000314000-memory.dmp

Filesize
80KB

Download
memory/4936-9-0x0000000010000000-0x0000000010360000-memory.dmp

Filesize
3.4MB

Download
memory/4936-10-0x0000000010000000-0x0000000010360000-memory.dmp

Filesize
3.4MB

Download
memory/4936-12-0x0000000010000000-0x0000000010360000-memory.dmp

Filesize
3.4MB

Download
memory/4936-13-0x0000000010000000-0x0000000010360000-memory.dmp

Filesize
3.4MB

Download
memory/4936-15-0x0000000010000000-0x0000000010360000-memory.dmp

Filesize
3.4MB

Download
memory/4936-17-0x0000000010000000-0x0000000010360000-memory.dmp

Filesize
3.4MB

Download
memory/4936-19-0x0000000010000000-0x0000000010360000-memory.dmp

Filesize
3.4MB

Download
memory/4936-21-0x0000000010000000-0x0000000010360000-memory.dmp

Filesize
3.4MB

Download
memory/4936-23-0x0000000010000000-0x0000000010360000-memory.dmp

Filesize
3.4MB

Download
memory/4936-25-0x0000000010000000-0x0000000010360000-memory.dmp

Filesize
3.4MB

Download
memory/4936-27-0x0000000010000000-0x0000000010360000-memory.dmp

Filesize
3.4MB

Download
memory/4936-29-0x0000000010000000-0x0000000010360000-memory.dmp

Filesize
3.4MB

Download
memory/4936-31-0x0000000010000000-0x0000000010360000-memory.dmp

Filesize
3.4MB

Download
memory/4936-33-0x0000000010000000-0x0000000010360000-memory.dmp

Filesize
3.4MB

Download
memory/4936-35-0x0000000010000000-0x0000000010360000-memory.dmp

Filesize
3.4MB

Download
memory/4936-37-0x0000000010000000-0x0000000010360000-memory.dmp

Filesize
3.4MB

Download