9fda75c77ed5e6d8f673aa4c1582d5497dd9f8958199e28997b0f3befaf4b625

Analysis

max time kernel
304s
max time network
364s
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 07:21

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General

Target

9fda75c77ed5e6d8f673aa4c1582d5497dd9f8958199e28997b0f3befaf4b625.exe
Size

1.8MB
MD5

99ba50fea2e8f47619b77ec74d562e1c
SHA1

017d72654d254f46de346efaad0a9b0937f38a60
SHA256

9fda75c77ed5e6d8f673aa4c1582d5497dd9f8958199e28997b0f3befaf4b625
SHA512

5f52e07673adbd6132c05873266c3a25770387bdb64e5a8452f7acea526e1b6809e50ba62522f07b98bcfe1a9942c3b52eeb14688d6391e2f61fb6cd31a2bcad
SSDEEP

49152:RvpZYsaHqe9AQhlPiTPi/3OQBipYI46GUA:RvpZuqe9AQhlPiTPi/3OQBipYI46GUA

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

windll.exe

pid process

4320 windll.exe

pid	process
4320	windll.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

9fda75c77ed5e6d8f673aa4c1582d5497dd9f8958199e28997b0f3befaf4b625.exewindll.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Processor = "C:\\Users\\Admin\\AppData\\Roaming\\updater\\windll.exe"	9fda75c77ed5e6d8f673aa4c1582d5497dd9f8958199e28997b0f3befaf4b625.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Processor = "C:\\Users\\Admin\\AppData\\Roaming\\updater\\windll.exe"	windll.exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

4296 4320 WerFault.exe windll.exe
1908 4320 WerFault.exe windll.exe

pid	pid_target	process	target process
4296	4320	WerFault.exe	windll.exe
1908	4320	WerFault.exe	windll.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

9fda75c77ed5e6d8f673aa4c1582d5497dd9f8958199e28997b0f3befaf4b625.exewindll.exe

description	pid	process	target process
PID 2000 wrote to memory of 4320	2000	9fda75c77ed5e6d8f673aa4c1582d5497dd9f8958199e28997b0f3befaf4b625.exe	windll.exe
PID 2000 wrote to memory of 4320	2000	9fda75c77ed5e6d8f673aa4c1582d5497dd9f8958199e28997b0f3befaf4b625.exe	windll.exe
PID 2000 wrote to memory of 4320	2000	9fda75c77ed5e6d8f673aa4c1582d5497dd9f8958199e28997b0f3befaf4b625.exe	windll.exe
PID 4320 wrote to memory of 4296	4320	windll.exe	WerFault.exe
PID 4320 wrote to memory of 4296	4320	windll.exe	WerFault.exe
PID 4320 wrote to memory of 4296	4320	windll.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\9fda75c77ed5e6d8f673aa4c1582d5497dd9f8958199e28997b0f3befaf4b625.exe
"C:\Users\Admin\AppData\Local\Temp\9fda75c77ed5e6d8f673aa4c1582d5497dd9f8958199e28997b0f3befaf4b625.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2000

C:\Users\Admin\AppData\Roaming\updater\windll.exe
"C:\Users\Admin\AppData\Roaming\updater\windll.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4320 -s 528
3⤵
- Program crash
PID:4296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4320 -s 528
3⤵
- Program crash
PID:1908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4320 -ip 4320
1⤵
PID:3972

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

C:\Users\Admin\AppData\Roaming\updater\windll.exe
Filesize
1.8MB

MD5
99ba50fea2e8f47619b77ec74d562e1c

SHA1
017d72654d254f46de346efaad0a9b0937f38a60

SHA256
9fda75c77ed5e6d8f673aa4c1582d5497dd9f8958199e28997b0f3befaf4b625

SHA512
5f52e07673adbd6132c05873266c3a25770387bdb64e5a8452f7acea526e1b6809e50ba62522f07b98bcfe1a9942c3b52eeb14688d6391e2f61fb6cd31a2bcad

Download Submit
C:\Users\Admin\AppData\Roaming\updater\windll.exe
Filesize
1.8MB

MD5
99ba50fea2e8f47619b77ec74d562e1c

SHA1
017d72654d254f46de346efaad0a9b0937f38a60

SHA256
9fda75c77ed5e6d8f673aa4c1582d5497dd9f8958199e28997b0f3befaf4b625

SHA512
5f52e07673adbd6132c05873266c3a25770387bdb64e5a8452f7acea526e1b6809e50ba62522f07b98bcfe1a9942c3b52eeb14688d6391e2f61fb6cd31a2bcad

Download Submit
memory/4296-136-0x0000000000000000-mapping.dmp

Download
memory/4320-132-0x0000000000000000-mapping.dmp

Download
memory/4320-135-0x0000000000400000-0x0000000000653000-memory.dmp

Filesize
2.3MB

Download