c755e40e98b4310b5b93e542750b9e4865598089415a2c255241833b43cbc197

Analysis

max time kernel
147s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2022, 17:30

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General

Target

c755e40e98b4310b5b93e542750b9e4865598089415a2c255241833b43cbc197.exe
Size

36KB
MD5

14482cc2f6ed4e97b98f8624170d3136
SHA1

4607b0f0b28e1dcd38257a5f79845573c67067b0
SHA256

c755e40e98b4310b5b93e542750b9e4865598089415a2c255241833b43cbc197
SHA512

0b5f27dac39623754a24f14bb6eae123d684a30c9eeddfa78935b7ba7c381bb1b075e4528998b98c52abe57ae625bc1a6df4fc28cb9cdaa57da65cf52d12307f
SSDEEP

384:ZBl36dg/Bd8QVKKAINWoHhp2IC/YS4SehSWSXSW0SjS4SoSV9hDNJE:Hl36dgpd8iKnINJC/Yxnhd8I0X7Y

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3028	svchost.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	c755e40e98b4310b5b93e542750b9e4865598089415a2c255241833b43cbc197.exe

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2732	PING.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3588	c755e40e98b4310b5b93e542750b9e4865598089415a2c255241833b43cbc197.exe
3028	svchost.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3588 wrote to memory of 3496	3588	c755e40e98b4310b5b93e542750b9e4865598089415a2c255241833b43cbc197.exe	80
PID 3588 wrote to memory of 3496	3588	c755e40e98b4310b5b93e542750b9e4865598089415a2c255241833b43cbc197.exe	80
PID 3588 wrote to memory of 3496	3588	c755e40e98b4310b5b93e542750b9e4865598089415a2c255241833b43cbc197.exe	80
PID 3496 wrote to memory of 2732	3496	cmd.exe	82
PID 3496 wrote to memory of 2732	3496	cmd.exe	82
PID 3496 wrote to memory of 2732	3496	cmd.exe	82
PID 3496 wrote to memory of 3028	3496	cmd.exe	83
PID 3496 wrote to memory of 3028	3496	cmd.exe	83
PID 3496 wrote to memory of 3028	3496	cmd.exe	83

C:\Users\Admin\AppData\Local\Temp\c755e40e98b4310b5b93e542750b9e4865598089415a2c255241833b43cbc197.exe
"C:\Users\Admin\AppData\Local\Temp\c755e40e98b4310b5b93e542750b9e4865598089415a2c255241833b43cbc197.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3588
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Melt.bat" -s"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3496
- - C:\Windows\SysWOW64\PING.EXE
    ping ; 1.2; 0.3; 0.4 - n; 1 - w; 500
    3⤵
    - Runs ping.exe
    PID:2732
- - C:\Users\Admin\AppData\Local\Temp\svchost.exe
    svchost.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    PID:3028

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Melt.bat

Filesize
166B

MD5
ffd4716da908eb2a2177e39c6e216984

SHA1
b707da4f43cbc7cdfe8832658724a15b662c277b

SHA256
c881b54e4262b07fc9220e9904d93e25ab96ee3768ed3c10b409ef1ac1fc6ddf

SHA512
ce655c4ff8629b5b50dbb77fb187bff2a7d6ad8d1a355722411d4f5e35eac8f4be476d21059e621b0dd0591de43a8cc06da70e0b898fe3f3446ac1b525022bb0

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

Filesize
36KB

MD5
14482cc2f6ed4e97b98f8624170d3136

SHA1
4607b0f0b28e1dcd38257a5f79845573c67067b0

SHA256
c755e40e98b4310b5b93e542750b9e4865598089415a2c255241833b43cbc197

SHA512
0b5f27dac39623754a24f14bb6eae123d684a30c9eeddfa78935b7ba7c381bb1b075e4528998b98c52abe57ae625bc1a6df4fc28cb9cdaa57da65cf52d12307f

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

Filesize
36KB

MD5
14482cc2f6ed4e97b98f8624170d3136

SHA1
4607b0f0b28e1dcd38257a5f79845573c67067b0

SHA256
c755e40e98b4310b5b93e542750b9e4865598089415a2c255241833b43cbc197

SHA512
0b5f27dac39623754a24f14bb6eae123d684a30c9eeddfa78935b7ba7c381bb1b075e4528998b98c52abe57ae625bc1a6df4fc28cb9cdaa57da65cf52d12307f

Download Submit