f8bfb3f0ca34247d2bb83342f7f00c0ebc38a94666f452e9465f7d044131b17f

Analysis

max time kernel
163s
max time network
177s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-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

Blocklisted process makes network request 1 IoCs

flow	pid	Process
13	3204	rundll32.exe

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\adf20bfc\imagepath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\DCE7.tmp"	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4280	3204	WerFault.exe	81

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
3204	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	3204	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 3204	3044	rundll32.exe	81
PID 3044 wrote to memory of 3204	3044	rundll32.exe	81
PID 3044 wrote to memory of 3204	3044	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8bfb3f0ca34247d2bb83342f7f00c0ebc38a94666f452e9465f7d044131b17f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8bfb3f0ca34247d2bb83342f7f00c0ebc38a94666f452e9465f7d044131b17f.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Sets service image path in registry
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:3204
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 668
    3⤵
    - Program crash
    PID:4280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 3204 -ip 3204
1⤵
PID:2076

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/3204-133-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

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memory/3204-134-0x0000000000430000-0x0000000000530000-memory.dmp

Filesize
1024KB

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