24a395ebb5007c88a3362a12bbfddffc80678f9fd1620572558eeb5c39193205

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/01/2024, 12:14

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General

Target

7753ab474898397ec69d85fa1d8276c0.dll
Size

80KB
MD5

7753ab474898397ec69d85fa1d8276c0
SHA1

860d0f1e88dfe15523366941fb13af11fd35b3cc
SHA256

24a395ebb5007c88a3362a12bbfddffc80678f9fd1620572558eeb5c39193205
SHA512

5cdc015a4c44eae318aed90c897068835c3e9fb4d2b75c5e3d171cb1f2c5bef47bea3d7b6b0336f0efa6f24c6b792cca3efb7a8a60dfae94ede54e7b8d641399
SSDEEP

1536:9WAimL/Vb85+B+D1DU+FNvIMajXw/do7526j7p:MWLNb85+sD1g+nwbjA/dat

Score

6^/10

bootkit discovery persistence

Malware Config

Signatures

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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 behavior: EnumeratesProcesses 1 IoCs

pid	Process
2396	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 2396	2060	rundll32.exe	28
PID 2060 wrote to memory of 2396	2060	rundll32.exe	28
PID 2060 wrote to memory of 2396	2060	rundll32.exe	28
PID 2060 wrote to memory of 2396	2060	rundll32.exe	28
PID 2060 wrote to memory of 2396	2060	rundll32.exe	28
PID 2060 wrote to memory of 2396	2060	rundll32.exe	28
PID 2060 wrote to memory of 2396	2060	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7753ab474898397ec69d85fa1d8276c0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7753ab474898397ec69d85fa1d8276c0.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Suspicious behavior: EnumeratesProcesses
  PID:2396

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

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2396-0-0x0000000000120000-0x000000000012A000-memory.dmp

Filesize
40KB

Download
memory/2396-1-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

Download