c6d579cfbc94d5f340765ceeb3e3cae5e8715aa0a673952f9e22d17e0916e748

Analysis

max time kernel
93s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2022, 17:08

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General

Target

Trojan-Ransom.Win32.Blocker.exe
Size

340KB
MD5

27e61de8159a6375fb130af6a542fac2
SHA1

e5231229565a41328bb926728d10c7eb6804c9b6
SHA256

c6d579cfbc94d5f340765ceeb3e3cae5e8715aa0a673952f9e22d17e0916e748
SHA512

d188545f54d566c51b5fe11a285f0d335846d065b095b6e7669d984d1bebe36235e786e090571b9443680b8e74b5064fc6087230d3b38bb7138391793b268a6a
SSDEEP

6144:9KCbH1+U3oT6rhzUFN1HscoK1QBpm4Z48YaU3jD8VE40gqRd9DL:9b3O9FscoVLj48YaU3AEqcdV

Score

8^/10

persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	Trojan-Ransom.Win32.Blocker.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\1 = "C:\\Users\\Admin\\AppData\\Roaming\\Chrome.exe D"	Trojan-Ransom.Win32.Blocker.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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	Trojan-Ransom.Win32.Blocker.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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4100	Trojan-Ransom.Win32.Blocker.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4100 wrote to memory of 984	4100	Trojan-Ransom.Win32.Blocker.exe	80
PID 4100 wrote to memory of 984	4100	Trojan-Ransom.Win32.Blocker.exe	80
PID 4100 wrote to memory of 984	4100	Trojan-Ransom.Win32.Blocker.exe	80

C:\Users\Admin\AppData\Local\Temp\Trojan-Ransom.Win32.Blocker.exe
"C:\Users\Admin\AppData\Local\Temp\Trojan-Ransom.Win32.Blocker.exe"
1⤵
- Adds policy Run key to start application
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4100
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\TROJAN~1.EXE > nul
  2⤵
  PID:984

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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

memory/4100-132-0x0000000000400000-0x00000000004D2000-memory.dmp

Filesize
840KB

Download
memory/4100-133-0x0000000000400000-0x00000000004D2000-memory.dmp

Filesize
840KB

Download
memory/4100-135-0x0000000000400000-0x00000000004D2000-memory.dmp

Filesize
840KB

Download