38e48171841e732efe6ce8b4713c315a805a6cbb347eb98b9a6e4daeb230b095

Resubmissions

25/10/2023, 10:54

231025-mzvnqsgg5z 7

25/10/2023, 10:50

231025-mxql1aga28 7

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
25/10/2023, 10:50

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

38e48171841e732efe6ce8b4713c315a805a6cbb347eb98b9a6e4daeb230b095.exe
Size

24KB
MD5

1974b3efe52893678a024e9fe8ff07a0
SHA1

4d5b9d7b81cf7e38e65d402bf30a3b90f7271022
SHA256

38e48171841e732efe6ce8b4713c315a805a6cbb347eb98b9a6e4daeb230b095
SHA512

7c98e10b7978bd873fb7aafd10aae3ab1cff58bff152f9c3d7ef83d89d0fbe14e3a6ca715f89d904400fd1b9390f2c4cd243b4151b05e931ec8aede3c6be12de
SSDEEP

384:fLX3Wg+PHCBRWL8yER7HJ7v3Ir4zYV4IysmRJqn:jXGg+PHCBRWLtExHuuGejP0

Score

7^/10

persistence ransomware

Malware Config

Signatures

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-1-5-21-1873812795-1433807462-1429862679-1000\Control Panel\International\Geo\Nation	38e48171841e732efe6ce8b4713c315a805a6cbb347eb98b9a6e4daeb230b095.exe

Executes dropped EXE 1 IoCs

pid	Process
488	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Readme = "C:\\Users\\Admin\\AppData\\Local\\rundll32.exe"	rundll32.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\S8whjpeYm.jpg"	rundll32.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 50 IoCs

pid	Process
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe
488	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3288	38e48171841e732efe6ce8b4713c315a805a6cbb347eb98b9a6e4daeb230b095.exe
Token: SeDebugPrivilege	488	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3288 wrote to memory of 488	3288	38e48171841e732efe6ce8b4713c315a805a6cbb347eb98b9a6e4daeb230b095.exe	86
PID 3288 wrote to memory of 488	3288	38e48171841e732efe6ce8b4713c315a805a6cbb347eb98b9a6e4daeb230b095.exe	86

C:\Users\Admin\AppData\Local\Temp\38e48171841e732efe6ce8b4713c315a805a6cbb347eb98b9a6e4daeb230b095.exe
"C:\Users\Admin\AppData\Local\Temp\38e48171841e732efe6ce8b4713c315a805a6cbb347eb98b9a6e4daeb230b095.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3288
- C:\Users\Admin\AppData\Local\rundll32.exe
  "C:\Users\Admin\AppData\Local\rundll32.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Sets desktop wallpaper using registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:488

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

T1491

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\rundll32.exe

Filesize
24KB

MD5
1974b3efe52893678a024e9fe8ff07a0

SHA1
4d5b9d7b81cf7e38e65d402bf30a3b90f7271022

SHA256
38e48171841e732efe6ce8b4713c315a805a6cbb347eb98b9a6e4daeb230b095

SHA512
7c98e10b7978bd873fb7aafd10aae3ab1cff58bff152f9c3d7ef83d89d0fbe14e3a6ca715f89d904400fd1b9390f2c4cd243b4151b05e931ec8aede3c6be12de

Download Submit
C:\Users\Admin\AppData\Local\rundll32.exe

Filesize
24KB

MD5
1974b3efe52893678a024e9fe8ff07a0

SHA1
4d5b9d7b81cf7e38e65d402bf30a3b90f7271022

SHA256
38e48171841e732efe6ce8b4713c315a805a6cbb347eb98b9a6e4daeb230b095

SHA512
7c98e10b7978bd873fb7aafd10aae3ab1cff58bff152f9c3d7ef83d89d0fbe14e3a6ca715f89d904400fd1b9390f2c4cd243b4151b05e931ec8aede3c6be12de

Download Submit
C:\Users\Admin\AppData\Local\rundll32.exe

Filesize
24KB

MD5
1974b3efe52893678a024e9fe8ff07a0

SHA1
4d5b9d7b81cf7e38e65d402bf30a3b90f7271022

SHA256
38e48171841e732efe6ce8b4713c315a805a6cbb347eb98b9a6e4daeb230b095

SHA512
7c98e10b7978bd873fb7aafd10aae3ab1cff58bff152f9c3d7ef83d89d0fbe14e3a6ca715f89d904400fd1b9390f2c4cd243b4151b05e931ec8aede3c6be12de

Download Submit
C:\Users\Admin\Downloads\Readme.txt

Filesize
416B

MD5
ed1c40917f1c39d4f6525a3f0650396b

SHA1
decbe0e54e3eb3dfb7dc162e2a00a58fc577cf71

SHA256
467c933d9e855bfaf8fd8d10abaae1541bd6693eb3da471f3ef99e5cefe3a7a3

SHA512
9f22e24c70c2806af5c18354d82934973b544a2938081d230e96ff5457c741d28ae9722f2499e71902c8f1c65a2f1c769fceb4ab86b036e9ead2bef88871b87b

Download Submit
memory/488-14-0x00007FFC36300000-0x00007FFC36DC1000-memory.dmp

Filesize
10.8MB

Download
memory/488-15-0x000000001B7A0000-0x000000001B7B0000-memory.dmp

Filesize
64KB

Download
memory/488-239-0x00007FFC36300000-0x00007FFC36DC1000-memory.dmp

Filesize
10.8MB

Download
memory/488-240-0x000000001B7A0000-0x000000001B7B0000-memory.dmp

Filesize
64KB

Download
memory/3288-0-0x0000000000970000-0x000000000097C000-memory.dmp

Filesize
48KB

Download
memory/3288-2-0x00007FFC36300000-0x00007FFC36DC1000-memory.dmp

Filesize
10.8MB

Download
memory/3288-24-0x00007FFC36300000-0x00007FFC36DC1000-memory.dmp

Filesize
10.8MB

Download