5c28b949507a6330ec9e768251131e823e1ed1587b5e8913c9e70009f235e9bb

Analysis

max time kernel
204s
max time network
244s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 22:04

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Report Analysis Logs

General

Target

base/RegisterUninstall.exe
Size

7KB
MD5

d7e36dc5c079cd93d8d0a8d33b1819a6
SHA1

f5cf37b37a443e899706d2fe107534e8e8a4a21f
SHA256

4c0758fdf48e8dc3188ba5ff8df7b8c6df4a8d3f7ec5e1843305852a1e1ead2d
SHA512

a4c87d5c648eb14a6ec0e0c30fee893944c45a13511d8ec26b49ec45565002d73ae4b7ec9be6a741ec4cdd5a2b3dcb8ae048c94e65ca7b030943195202f8aa5c
SSDEEP

96:H9kKlfbpxct1GwYseHmmSOUa8B9zaj8dctSMV5RPDtXMbh9WOBjyyJQzNt:iMYzYseHmmSk8Bkt15R5XMbbWfl

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegisterUninstall.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\FCcleaner = "C:\\Users\\Admin\\AppData\\Local\\Temp\\FCcleaner.bat"	RegisterUninstall.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1568 4400 WerFault.exe RegisterUninstall.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegisterUninstall.exe

pid process

4400 RegisterUninstall.exe
4400 RegisterUninstall.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegisterUninstall.exe

description pid process

Token: SeDebugPrivilege 4400 RegisterUninstall.exe

pid	pid_target	process	target process
1568	4400	WerFault.exe	RegisterUninstall.exe

pid	process
4400	RegisterUninstall.exe
4400	RegisterUninstall.exe

description	pid	process
Token: SeDebugPrivilege	4400	RegisterUninstall.exe

C:\Users\Admin\AppData\Local\Temp\base\RegisterUninstall.exe
"C:\Users\Admin\AppData\Local\Temp\base\RegisterUninstall.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4400

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 4400 -s 1584
2⤵
- Program crash
PID:1568

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 408 -p 4400 -ip 4400
1⤵
PID:5016

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/4400-132-0x0000000000E30000-0x0000000000E38000-memory.dmp

Filesize
32KB

Download
memory/4400-133-0x0000000001370000-0x0000000001384000-memory.dmp

Filesize
80KB

Download
memory/4400-134-0x000000001C810000-0x000000001C878000-memory.dmp

Filesize
416KB

Download
memory/4400-135-0x00007FF953450000-0x00007FF953F11000-memory.dmp

Filesize
10.8MB

Download
memory/4400-136-0x00007FF953450000-0x00007FF953F11000-memory.dmp

Filesize
10.8MB

Download
memory/4400-137-0x0000000001730000-0x0000000001750000-memory.dmp

Filesize
128KB

Download
memory/4400-138-0x00007FF953450000-0x00007FF953F11000-memory.dmp

Filesize
10.8MB

Download