4117fa69f25a41a61c98dbebcf403b6dee9f847ee5bf25bcbc0476807329c112

Analysis

max time kernel
161s
max time network
197s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 16:10

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General

Target

4117fa69f25a41a61c98dbebcf403b6dee9f847ee5bf25bcbc0476807329c112.exe
Size

161KB
MD5

a05e57a14ee4b2d48d34a8f68d09cfaf
SHA1

b2b8df16f3ec5a72cb78db5c4c165f3a6f85075f
SHA256

4117fa69f25a41a61c98dbebcf403b6dee9f847ee5bf25bcbc0476807329c112
SHA512

1c9a2f4f10e7d4e00f160e1dccf5c54c67e7122b5739c7b5e5d956f1bbe91223d910973d1300a67e34befa9020f6441f2bd7ecb8194a35eaddec0c9a562642b3
SSDEEP

3072:dnRNahhvNUv6p4vJnm9J16aE2Fr/AwEuxR1BvWcBwkNWDaP2BJfVu5QVF+wttqde:dnWSCp4hnMJ162FrYurP+jkNW+P2BJwe

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
792	ins8615.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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	4117fa69f25a41a61c98dbebcf403b6dee9f847ee5bf25bcbc0476807329c112.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly\Desktop.ini	ins8615.exe
File created	C:\Windows\assembly\Desktop.ini	ins8615.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly\Desktop.ini	ins8615.exe
File opened for modification	C:\Windows\assembly	ins8615.exe
File created	C:\Windows\assembly\Desktop.ini	ins8615.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
792	ins8615.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	792	ins8615.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
792	ins8615.exe
792	ins8615.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1256 wrote to memory of 792	1256	4117fa69f25a41a61c98dbebcf403b6dee9f847ee5bf25bcbc0476807329c112.exe	82
PID 1256 wrote to memory of 792	1256	4117fa69f25a41a61c98dbebcf403b6dee9f847ee5bf25bcbc0476807329c112.exe	82
PID 1256 wrote to memory of 792	1256	4117fa69f25a41a61c98dbebcf403b6dee9f847ee5bf25bcbc0476807329c112.exe	82

C:\Users\Admin\AppData\Local\Temp\4117fa69f25a41a61c98dbebcf403b6dee9f847ee5bf25bcbc0476807329c112.exe
"C:\Users\Admin\AppData\Local\Temp\4117fa69f25a41a61c98dbebcf403b6dee9f847ee5bf25bcbc0476807329c112.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1256
- C:\Users\Admin\AppData\Local\Temp\ins8615\ins8615.exe
  "C:\Users\Admin\AppData\Local\Temp\ins8615\ins8615.exe" ins.exe /e10401094 /u4fe0cf9f-1fe4-4abb-905a-57915bc06f2f
  2⤵
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:792

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\ins8615\ins8615.exe

Filesize
252KB

MD5
2b8fb03bf38cb33a98d804cfdc2bb2c0

SHA1
962a9850ff0728f80c14878859dc2307f6ab0ff2

SHA256
01053b858d8d24f62c5520fb0255d16e728d27d173c15d2d4082ffdf85adf5e8

SHA512
18b0d66a8152014d8e2ad03b8f1b80c69d9ebb805215735b476643fbd2fdb0e817b89f81beae604c969ad2b94225032f507e911c9874a735f2dfed32cf3925df

Download Submit
C:\Users\Admin\AppData\Local\Temp\ins8615\ins8615.exe

Filesize
252KB

MD5
2b8fb03bf38cb33a98d804cfdc2bb2c0

SHA1
962a9850ff0728f80c14878859dc2307f6ab0ff2

SHA256
01053b858d8d24f62c5520fb0255d16e728d27d173c15d2d4082ffdf85adf5e8

SHA512
18b0d66a8152014d8e2ad03b8f1b80c69d9ebb805215735b476643fbd2fdb0e817b89f81beae604c969ad2b94225032f507e911c9874a735f2dfed32cf3925df

Download Submit
memory/792-137-0x00000000733B0000-0x0000000073961000-memory.dmp

Filesize
5.7MB

Download
memory/792-138-0x00000000733B0000-0x0000000073961000-memory.dmp

Filesize
5.7MB

Download
memory/792-139-0x00000000733B0000-0x0000000073961000-memory.dmp

Filesize
5.7MB

Download
memory/1256-132-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download
memory/1256-135-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download
memory/1256-140-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download