4724bf5f656fa9cd2190411ae40fce043f20eda127378dc8a49225a910027083

Analysis

max time kernel
166s
max time network
179s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 01:45

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General

Target

0a87547c78cfd92de7ba577d395b1290.dll
Size

42KB
MD5

0a87547c78cfd92de7ba577d395b1290
SHA1

0f1169e2870f6bc892a8dc8a8749db478d6f6961
SHA256

4724bf5f656fa9cd2190411ae40fce043f20eda127378dc8a49225a910027083
SHA512

64a416fd7efbf6df3a8e35a3e24fa287e4ac1ca0f44b24d5f7f0034f47cf4e226f7a63131c0721e65132879efd3bb04d7ce17a746748182cc1c0ae1f11294d1c
SSDEEP

768:cloInKqE25WlwIQSwekWxAMznVOt2xp9WRoznW+DQFLGJgkM:cKHRLQSDxxAvt2x2RzlGJpM

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\A = "C:\\Windows\\system32\\rundll32.exe 1.1 s"	rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\1.1	rundll32.exe
File created	C:\Windows\SysWOW64\1.1	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4156	rundll32.exe
4156	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4156	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 4156	3068	rundll32.exe	22
PID 3068 wrote to memory of 4156	3068	rundll32.exe	22
PID 3068 wrote to memory of 4156	3068	rundll32.exe	22

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0a87547c78cfd92de7ba577d395b1290.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0a87547c78cfd92de7ba577d395b1290.dll,#1
  2⤵
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:4156

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/4156-0-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4156-2-0x0000000000B00000-0x0000000000B01000-memory.dmp

Filesize
4KB

Download
memory/4156-1-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4156-4-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4156-5-0x0000000000B00000-0x0000000000B01000-memory.dmp

Filesize
4KB

Download