c4b1c65c904839fe27132d40395d7d258f8b98e953d04f9d026a8576b5a98d5c

Analysis

max time kernel
112s
max time network
132s
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, 06:19

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c4b1c65c904839fe27132d40395d7d258f8b98e953d04f9d026a8576b5a98d5c.exe
Size

1.1MB
MD5

4201e6b7985da8437d55ce174dcdb119
SHA1

7419d2c0183a4628a87ffa464c36876555fe52ba
SHA256

c4b1c65c904839fe27132d40395d7d258f8b98e953d04f9d026a8576b5a98d5c
SHA512

bd77412ea526db5824d171b709280ab1dda32ac232592faa16b8f56a79d9955ecd30ea6792cf5164085bdc58f3c73644e82a5c1c5d8b9a86b19ae9ad1b380273
SSDEEP

24576:qUVSgk2FeQIAkYB/S0N7dIunZhziq0ZBUjdHnDGKEIH1XOqVP:q0BSsxqqiMGKDH1Oi

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3968	search.cmd

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	c4b1c65c904839fe27132d40395d7d258f8b98e953d04f9d026a8576b5a98d5c.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd	c4b1c65c904839fe27132d40395d7d258f8b98e953d04f9d026a8576b5a98d5c.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd	c4b1c65c904839fe27132d40395d7d258f8b98e953d04f9d026a8576b5a98d5c.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: GetForegroundWindowSpam 1 IoCs

pid	Process
3968	search.cmd

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1316 wrote to memory of 3968	1316	c4b1c65c904839fe27132d40395d7d258f8b98e953d04f9d026a8576b5a98d5c.exe	83
PID 1316 wrote to memory of 3968	1316	c4b1c65c904839fe27132d40395d7d258f8b98e953d04f9d026a8576b5a98d5c.exe	83
PID 1316 wrote to memory of 3968	1316	c4b1c65c904839fe27132d40395d7d258f8b98e953d04f9d026a8576b5a98d5c.exe	83
PID 1316 wrote to memory of 4728	1316	c4b1c65c904839fe27132d40395d7d258f8b98e953d04f9d026a8576b5a98d5c.exe	84
PID 1316 wrote to memory of 4728	1316	c4b1c65c904839fe27132d40395d7d258f8b98e953d04f9d026a8576b5a98d5c.exe	84
PID 1316 wrote to memory of 4728	1316	c4b1c65c904839fe27132d40395d7d258f8b98e953d04f9d026a8576b5a98d5c.exe	84

C:\Users\Admin\AppData\Local\Temp\c4b1c65c904839fe27132d40395d7d258f8b98e953d04f9d026a8576b5a98d5c.exe
"C:\Users\Admin\AppData\Local\Temp\c4b1c65c904839fe27132d40395d7d258f8b98e953d04f9d026a8576b5a98d5c.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:1316
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: GetForegroundWindowSpam
  PID:3968
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del c:\users\admin\appdata\local\temp\C4B1C6~1.EXE >> NUL
  2⤵
  PID:4728

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\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd

Filesize
1.1MB

MD5
4201e6b7985da8437d55ce174dcdb119

SHA1
7419d2c0183a4628a87ffa464c36876555fe52ba

SHA256
c4b1c65c904839fe27132d40395d7d258f8b98e953d04f9d026a8576b5a98d5c

SHA512
bd77412ea526db5824d171b709280ab1dda32ac232592faa16b8f56a79d9955ecd30ea6792cf5164085bdc58f3c73644e82a5c1c5d8b9a86b19ae9ad1b380273

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd

Filesize
1.1MB

MD5
4201e6b7985da8437d55ce174dcdb119

SHA1
7419d2c0183a4628a87ffa464c36876555fe52ba

SHA256
c4b1c65c904839fe27132d40395d7d258f8b98e953d04f9d026a8576b5a98d5c

SHA512
bd77412ea526db5824d171b709280ab1dda32ac232592faa16b8f56a79d9955ecd30ea6792cf5164085bdc58f3c73644e82a5c1c5d8b9a86b19ae9ad1b380273

Download Submit