38e8948dece929508df099c2ea4947667b336545425468c548b2d05cd2891813

General

Target

38e8948dece929508df099c2ea4947667b336545425468c548b2d05cd2891813.exe
Size

26KB
MD5

4865ff8a527c4fc038424ed42e8e55a0
SHA1

daf8f79ab23baef102187ca8bf02272ddb47da78
SHA256

38e8948dece929508df099c2ea4947667b336545425468c548b2d05cd2891813
SHA512

6eb35bc33fead0f533256514ddfd2aaf3edb2c4ab7fb0e04d0647581453af8a7268ca3b37fdbb6e05ff32a9b34147c95ae8811fcd1c7a4a09ffc98d382324942
SSDEEP

384:+hsxv4x40qH3t0WE4JcKxudZ0eC4fN2W8HXVEu59uLS5U/ANpp4DDmyezlKqwN/J:+hsMqHfJcKG0ezd8HXVEu5TW2A//vOa

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
940	svchost.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
2028	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\23556fb1360f366337f97c924e76ead3.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\23556fb1360f366337f97c924e76ead3.exe	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
748	38e8948dece929508df099c2ea4947667b336545425468c548b2d05cd2891813.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\23556fb1360f366337f97c924e76ead3 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\23556fb1360f366337f97c924e76ead3 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.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: EnumeratesProcesses 2 IoCs

pid	Process
940	svchost.exe
940	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	940	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 748 wrote to memory of 940	748	38e8948dece929508df099c2ea4947667b336545425468c548b2d05cd2891813.exe	27
PID 748 wrote to memory of 940	748	38e8948dece929508df099c2ea4947667b336545425468c548b2d05cd2891813.exe	27
PID 748 wrote to memory of 940	748	38e8948dece929508df099c2ea4947667b336545425468c548b2d05cd2891813.exe	27
PID 748 wrote to memory of 940	748	38e8948dece929508df099c2ea4947667b336545425468c548b2d05cd2891813.exe	27
PID 940 wrote to memory of 2028	940	svchost.exe	28
PID 940 wrote to memory of 2028	940	svchost.exe	28
PID 940 wrote to memory of 2028	940	svchost.exe	28
PID 940 wrote to memory of 2028	940	svchost.exe	28

C:\Users\Admin\AppData\Local\Temp\38e8948dece929508df099c2ea4947667b336545425468c548b2d05cd2891813.exe
"C:\Users\Admin\AppData\Local\Temp\38e8948dece929508df099c2ea4947667b336545425468c548b2d05cd2891813.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:748
- C:\Users\Admin\AppData\Roaming\svchost.exe
  "C:\Users\Admin\AppData\Roaming\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:940
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:2028

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
26KB

MD5
4865ff8a527c4fc038424ed42e8e55a0

SHA1
daf8f79ab23baef102187ca8bf02272ddb47da78

SHA256
38e8948dece929508df099c2ea4947667b336545425468c548b2d05cd2891813

SHA512
6eb35bc33fead0f533256514ddfd2aaf3edb2c4ab7fb0e04d0647581453af8a7268ca3b37fdbb6e05ff32a9b34147c95ae8811fcd1c7a4a09ffc98d382324942

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
26KB

MD5
4865ff8a527c4fc038424ed42e8e55a0

SHA1
daf8f79ab23baef102187ca8bf02272ddb47da78

SHA256
38e8948dece929508df099c2ea4947667b336545425468c548b2d05cd2891813

SHA512
6eb35bc33fead0f533256514ddfd2aaf3edb2c4ab7fb0e04d0647581453af8a7268ca3b37fdbb6e05ff32a9b34147c95ae8811fcd1c7a4a09ffc98d382324942

Download Submit
\Users\Admin\AppData\Roaming\svchost.exe

Filesize
26KB

MD5
4865ff8a527c4fc038424ed42e8e55a0

SHA1
daf8f79ab23baef102187ca8bf02272ddb47da78

SHA256
38e8948dece929508df099c2ea4947667b336545425468c548b2d05cd2891813

SHA512
6eb35bc33fead0f533256514ddfd2aaf3edb2c4ab7fb0e04d0647581453af8a7268ca3b37fdbb6e05ff32a9b34147c95ae8811fcd1c7a4a09ffc98d382324942

Download Submit
memory/748-54-0x0000000074FB1000-0x0000000074FB3000-memory.dmp

Filesize
8KB

Download
memory/748-55-0x00000000744B0000-0x0000000074A5B000-memory.dmp

Filesize
5.7MB

Download
memory/748-61-0x00000000744B0000-0x0000000074A5B000-memory.dmp

Filesize
5.7MB

Download
memory/940-63-0x00000000744B0000-0x0000000074A5B000-memory.dmp

Filesize
5.7MB

Download
memory/940-65-0x00000000744B0000-0x0000000074A5B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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