a41718acedb2bcd74f425cd768b42008309a4c16f77a950a0c326611487397bc

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 00:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a41718acedb2bcd74f425cd768b42008309a4c16f77a950a0c326611487397bc.exe
Size

435KB
MD5

63bbd8f2f8577e4f11458f249ab60976
SHA1

b8d45ef3cad57ea680e9f870385f5b3c8d8f1e43
SHA256

a41718acedb2bcd74f425cd768b42008309a4c16f77a950a0c326611487397bc
SHA512

3db2c50fd51a855f19c118f82b08bfc152c70328bfbfd32c3382d9f3fc78c88051d3418612e4c954c21677cc99196622e6192590ff0939219dd8c3fc7c30a963
SSDEEP

12288:zutrzh9xOXkARDGDSpa+0XHDaOO910idKIqHoeAtqtv:zutr5OUAFpbejaIidKIgAU

Score

8^/10

evasion

Malware Config

Signatures

Disables Task Manager via registry modification
evasion

Executes dropped EXE 1 IoCs

pid	Process
1940	loader.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	a41718acedb2bcd74f425cd768b42008309a4c16f77a950a0c326611487397bc.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wmiprise.exe	loader.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wmiprise.exe	loader.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings	a41718acedb2bcd74f425cd768b42008309a4c16f77a950a0c326611487397bc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1940	loader.exe
1940	loader.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3916 wrote to memory of 1940	3916	a41718acedb2bcd74f425cd768b42008309a4c16f77a950a0c326611487397bc.exe	82
PID 3916 wrote to memory of 1940	3916	a41718acedb2bcd74f425cd768b42008309a4c16f77a950a0c326611487397bc.exe	82
PID 3916 wrote to memory of 1940	3916	a41718acedb2bcd74f425cd768b42008309a4c16f77a950a0c326611487397bc.exe	82

C:\Users\Admin\AppData\Local\Temp\a41718acedb2bcd74f425cd768b42008309a4c16f77a950a0c326611487397bc.exe
"C:\Users\Admin\AppData\Local\Temp\a41718acedb2bcd74f425cd768b42008309a4c16f77a950a0c326611487397bc.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3916
- C:\Users\Admin\AppData\Local\Temp\loader.exe
  "C:\Users\Admin\AppData\Local\Temp\loader.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Suspicious use of SetWindowsHookEx
  PID:1940

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:748

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\loader.exe

Filesize
573KB

MD5
201cdbaeb7b47c5e055a22ae95fb38b1

SHA1
a8c3955836c7e405e6875e8b3e347d03106d2239

SHA256
38b13ad8a9f80dcc60988d9470989bd74eec8a637113b39ed1d3d7b006452c6d

SHA512
b3d32aaac74e7871da98ef2fe449e26e592b0e0cc6e9f073b4ff5b524d4a9ea9b4800fbcd0b43e8393aab44fc50ab09be0355cb1c1a4bdd41ec98ced1088b069

Download Submit
C:\Users\Admin\AppData\Local\Temp\loader.exe

Filesize
573KB

MD5
201cdbaeb7b47c5e055a22ae95fb38b1

SHA1
a8c3955836c7e405e6875e8b3e347d03106d2239

SHA256
38b13ad8a9f80dcc60988d9470989bd74eec8a637113b39ed1d3d7b006452c6d

SHA512
b3d32aaac74e7871da98ef2fe449e26e592b0e0cc6e9f073b4ff5b524d4a9ea9b4800fbcd0b43e8393aab44fc50ab09be0355cb1c1a4bdd41ec98ced1088b069

Download Submit