3f434ed77d8d4a73003259af8bd894252f4b2985da7e9222c09ab0c8ae646d05

Analysis

max time kernel
150s
max time network
157s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04/02/2024, 00:40

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General

Target

8dc7f3508928cc28fc2cd9859f917149.dll
Size

232KB
MD5

8dc7f3508928cc28fc2cd9859f917149
SHA1

df554ae16429315bf017eaa22f2ba53592d546e3
SHA256

3f434ed77d8d4a73003259af8bd894252f4b2985da7e9222c09ab0c8ae646d05
SHA512

81a368feaee1bdf2b9a11fe15dfabef8f286ccf329fbc7d6529451d1556092f71ecdf242367548d743e8b68391f0ffbf9fd005b76c945a31d7ec376dca67b290
SSDEEP

6144:SRoZzA7ZeRRoALxhasKO39vCGwRoEGDyl:SRhsRuALxtWq

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Hhorowo = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\8dc7f3508928cc28fc2cd9859f917149.dll\",Startup"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2672	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2672	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1232 wrote to memory of 2672	1232	rundll32.exe	28
PID 1232 wrote to memory of 2672	1232	rundll32.exe	28
PID 1232 wrote to memory of 2672	1232	rundll32.exe	28
PID 1232 wrote to memory of 2672	1232	rundll32.exe	28
PID 1232 wrote to memory of 2672	1232	rundll32.exe	28
PID 1232 wrote to memory of 2672	1232	rundll32.exe	28
PID 1232 wrote to memory of 2672	1232	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8dc7f3508928cc28fc2cd9859f917149.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8dc7f3508928cc28fc2cd9859f917149.dll,#1
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2672-1-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2672-3-0x0000000000A40000-0x0000000000A80000-memory.dmp

Filesize
256KB

Download
memory/2672-5-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2672-7-0x0000000000220000-0x0000000000260000-memory.dmp

Filesize
256KB

Download
memory/2672-6-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2672-4-0x0000000000220000-0x0000000000260000-memory.dmp

Filesize
256KB

Download
memory/2672-0-0x0000000000A40000-0x0000000000A80000-memory.dmp

Filesize
256KB

Download
memory/2672-17-0x0000000010000000-0x000000001004B000-memory.dmp

Filesize
300KB

Download
memory/2672-18-0x0000000000A40000-0x0000000000A80000-memory.dmp

Filesize
256KB

Download
memory/2672-20-0x0000000000A40000-0x0000000000A80000-memory.dmp

Filesize
256KB

Download
memory/2672-21-0x0000000000220000-0x0000000000260000-memory.dmp

Filesize
256KB

Download