78aa4ee141da64e2c2f154bf7f24fc6ad0c3ce4ec5847373eba02c3c0f85849e

Analysis

max time kernel
93s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
27-06-2024 07:33

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General

Target

7g26jn92p7b.dll
Size

14KB
MD5

d4cd2de76cb5e3926b6ebbdb5d421490
SHA1

9ba8904ab672d5761ff95c7db07ca249d000b0d0
SHA256

4feb8ae08b605e9cd75f5a999c59cdb5b5ddc5dd6932b018ba0a4fa5ef6dd1d5
SHA512

7acb5f7d6d204779ed5c232d8e5fc01cd7312f59631a68bd10944b221f3e45b573cefa61e236d977ce623e9d99f3ed3c5b64a8086cc6c30bd648eaabc36126e5
SSDEEP

192:5zfMvg35JT5CQuF9RFNDaSL6SwcuULPYABqo011nzxwSlTgMMXioI:5fM8JiF9RfaSL6SwuYV1FxwSJ9

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

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\name = "C:\\Users\\Admin\\AppData\\Roaming\\folder\\file.exe"	rundll32.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1448 4932 WerFault.exe rundll32.exe
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

rundll32.exe

pid process

4932 rundll32.exe
4932 rundll32.exe
4932 rundll32.exe
4932 rundll32.exe
4932 rundll32.exe
4932 rundll32.exe
4932 rundll32.exe
4932 rundll32.exe

pid	pid_target	process	target process
1448	4932	WerFault.exe	rundll32.exe

pid	process
4932	rundll32.exe
4932	rundll32.exe
4932	rundll32.exe
4932	rundll32.exe
4932	rundll32.exe
4932	rundll32.exe
4932	rundll32.exe
4932	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4884 wrote to memory of 4932	4884	rundll32.exe	rundll32.exe
PID 4884 wrote to memory of 4932	4884	rundll32.exe	rundll32.exe
PID 4884 wrote to memory of 4932	4884	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7g26jn92p7b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4884
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7g26jn92p7b.dll,#1
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:4932
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4932 -s 732
    3⤵
    - Program crash
    PID:1448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4932 -ip 4932
1⤵
PID:3540

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/4932-0-0x00000000755A0000-0x00000000755A8000-memory.dmp

Filesize
32KB

Download
memory/4932-2-0x00000000755A0000-0x00000000755A8000-memory.dmp

Filesize
32KB

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