f8bfb3f0ca34247d2bb83342f7f00c0ebc38a94666f452e9465f7d044131b17f

Analysis

max time kernel
41s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
04/12/2022, 10:55

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General

Target

f8bfb3f0ca34247d2bb83342f7f00c0ebc38a94666f452e9465f7d044131b17f.dll
Size

121KB
MD5

f410de894a127b5a36da9d3572f6e9eb
SHA1

3f3a54399f741978193095bf023606579e6644a4
SHA256

f8bfb3f0ca34247d2bb83342f7f00c0ebc38a94666f452e9465f7d044131b17f
SHA512

68114b57e81292868a1d9cb249ef4d161467da85e4f6dfd5a5fe7bb137ad75f84aef17a814b4d5e00af43cdfe0c95b30383ec5b9cf92a2b86049aade10a82750
SSDEEP

3072:N6LVF6AYmBVEiNBah3dGV7LpEP9kCCorEP4+9J6ig989gc:wLci03oEP9kCCorU4+zg2

Score

8^/10

persistence

Malware Config

Signatures

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\3de01880\imagepath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\EACD.tmp"	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1004	1884	WerFault.exe	28

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
1884	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	1884	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 780 wrote to memory of 1884	780	rundll32.exe	28
PID 780 wrote to memory of 1884	780	rundll32.exe	28
PID 780 wrote to memory of 1884	780	rundll32.exe	28
PID 780 wrote to memory of 1884	780	rundll32.exe	28
PID 780 wrote to memory of 1884	780	rundll32.exe	28
PID 780 wrote to memory of 1884	780	rundll32.exe	28
PID 780 wrote to memory of 1884	780	rundll32.exe	28
PID 1884 wrote to memory of 1004	1884	rundll32.exe	29
PID 1884 wrote to memory of 1004	1884	rundll32.exe	29
PID 1884 wrote to memory of 1004	1884	rundll32.exe	29
PID 1884 wrote to memory of 1004	1884	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8bfb3f0ca34247d2bb83342f7f00c0ebc38a94666f452e9465f7d044131b17f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:780
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8bfb3f0ca34247d2bb83342f7f00c0ebc38a94666f452e9465f7d044131b17f.dll,#1
  2⤵
  - Sets service image path in registry
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1884
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 296
    3⤵
    - Program crash
    PID:1004

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1884-55-0x0000000076321000-0x0000000076323000-memory.dmp

Filesize
8KB

Download
memory/1884-57-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1884-58-0x0000000001EE0000-0x0000000001FE0000-memory.dmp

Filesize
1024KB

Download