767a2c2cdb3e34333727a4594d345d55da89528d0219bf8e9a2b01567ad0045f

General

Target

767a2c2cdb3e34333727a4594d345d55da89528d0219bf8e9a2b01567ad0045f.exe
Size

181KB
MD5

33caaaa642770f60f9298e627ac2a70e
SHA1

b79349e8ef626045d86d3d099d4ad6cf58d6c7c0
SHA256

767a2c2cdb3e34333727a4594d345d55da89528d0219bf8e9a2b01567ad0045f
SHA512

4aaf1835f7909672d8356e7b4bbb06391be57030d98fd3e9bbe3bed42720dd001d8c32a64f1e197156d0365551ab3004ee1e01554f5bbf99b246f9d06fed3d64

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

server.exe

pid process

844 server.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
844	server.exe

Drops startup file 2 IoCs

Processes:

server.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\db7cacf80649a64239b0e12870c9e1a0.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\db7cacf80649a64239b0e12870c9e1a0.exe	server.exe

Loads dropped DLL 1 IoCs

Processes:

767a2c2cdb3e34333727a4594d345d55da89528d0219bf8e9a2b01567ad0045f.exe

pid process

1636 767a2c2cdb3e34333727a4594d345d55da89528d0219bf8e9a2b01567ad0045f.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

server.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\db7cacf80649a64239b0e12870c9e1a0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\db7cacf80649a64239b0e12870c9e1a0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.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

Processes:

767a2c2cdb3e34333727a4594d345d55da89528d0219bf8e9a2b01567ad0045f.exe

pid	process
1636	767a2c2cdb3e34333727a4594d345d55da89528d0219bf8e9a2b01567ad0045f.exe
1636	767a2c2cdb3e34333727a4594d345d55da89528d0219bf8e9a2b01567ad0045f.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

Processes:

767a2c2cdb3e34333727a4594d345d55da89528d0219bf8e9a2b01567ad0045f.exeserver.exe

description	pid	process
Token: SeDebugPrivilege	1636	767a2c2cdb3e34333727a4594d345d55da89528d0219bf8e9a2b01567ad0045f.exe
Token: SeDebugPrivilege	844	server.exe
Token: 33	844	server.exe
Token: SeIncBasePriorityPrivilege	844	server.exe
Token: 33	844	server.exe
Token: SeIncBasePriorityPrivilege	844	server.exe
Token: 33	844	server.exe
Token: SeIncBasePriorityPrivilege	844	server.exe
Token: 33	844	server.exe
Token: SeIncBasePriorityPrivilege	844	server.exe
Token: 33	844	server.exe
Token: SeIncBasePriorityPrivilege	844	server.exe
Token: 33	844	server.exe
Token: SeIncBasePriorityPrivilege	844	server.exe
Token: 33	844	server.exe
Token: SeIncBasePriorityPrivilege	844	server.exe
Token: 33	844	server.exe
Token: SeIncBasePriorityPrivilege	844	server.exe
Token: 33	844	server.exe
Token: SeIncBasePriorityPrivilege	844	server.exe
Token: 33	844	server.exe
Token: SeIncBasePriorityPrivilege	844	server.exe
Token: 33	844	server.exe
Token: SeIncBasePriorityPrivilege	844	server.exe
Token: 33	844	server.exe
Token: SeIncBasePriorityPrivilege	844	server.exe
Token: 33	844	server.exe
Token: SeIncBasePriorityPrivilege	844	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

767a2c2cdb3e34333727a4594d345d55da89528d0219bf8e9a2b01567ad0045f.exeserver.exe

description	pid	process	target process
PID 1636 wrote to memory of 844	1636	767a2c2cdb3e34333727a4594d345d55da89528d0219bf8e9a2b01567ad0045f.exe	server.exe
PID 1636 wrote to memory of 844	1636	767a2c2cdb3e34333727a4594d345d55da89528d0219bf8e9a2b01567ad0045f.exe	server.exe
PID 1636 wrote to memory of 844	1636	767a2c2cdb3e34333727a4594d345d55da89528d0219bf8e9a2b01567ad0045f.exe	server.exe
PID 1636 wrote to memory of 844	1636	767a2c2cdb3e34333727a4594d345d55da89528d0219bf8e9a2b01567ad0045f.exe	server.exe
PID 844 wrote to memory of 1500	844	server.exe	netsh.exe
PID 844 wrote to memory of 1500	844	server.exe	netsh.exe
PID 844 wrote to memory of 1500	844	server.exe	netsh.exe
PID 844 wrote to memory of 1500	844	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\767a2c2cdb3e34333727a4594d345d55da89528d0219bf8e9a2b01567ad0045f.exe
"C:\Users\Admin\AppData\Local\Temp\767a2c2cdb3e34333727a4594d345d55da89528d0219bf8e9a2b01567ad0045f.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1636

C:\Users\Admin\AppData\Roaming\server.exe
"C:\Users\Admin\AppData\Roaming\server.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:844

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
3⤵
PID:1500

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\server.exe
Filesize
181KB

MD5
33caaaa642770f60f9298e627ac2a70e

SHA1
b79349e8ef626045d86d3d099d4ad6cf58d6c7c0

SHA256
767a2c2cdb3e34333727a4594d345d55da89528d0219bf8e9a2b01567ad0045f

SHA512
4aaf1835f7909672d8356e7b4bbb06391be57030d98fd3e9bbe3bed42720dd001d8c32a64f1e197156d0365551ab3004ee1e01554f5bbf99b246f9d06fed3d64

Download Submit
C:\Users\Admin\AppData\Roaming\server.exe
Filesize
181KB

MD5
33caaaa642770f60f9298e627ac2a70e

SHA1
b79349e8ef626045d86d3d099d4ad6cf58d6c7c0

SHA256
767a2c2cdb3e34333727a4594d345d55da89528d0219bf8e9a2b01567ad0045f

SHA512
4aaf1835f7909672d8356e7b4bbb06391be57030d98fd3e9bbe3bed42720dd001d8c32a64f1e197156d0365551ab3004ee1e01554f5bbf99b246f9d06fed3d64

Download Submit
\Users\Admin\AppData\Roaming\server.exe
Filesize
181KB

MD5
33caaaa642770f60f9298e627ac2a70e

SHA1
b79349e8ef626045d86d3d099d4ad6cf58d6c7c0

SHA256
767a2c2cdb3e34333727a4594d345d55da89528d0219bf8e9a2b01567ad0045f

SHA512
4aaf1835f7909672d8356e7b4bbb06391be57030d98fd3e9bbe3bed42720dd001d8c32a64f1e197156d0365551ab3004ee1e01554f5bbf99b246f9d06fed3d64

Download Submit
memory/844-57-0x0000000000000000-mapping.dmp

Download
memory/844-61-0x0000000074790000-0x0000000074D3B000-memory.dmp

Filesize
5.7MB

Download
memory/1500-62-0x0000000000000000-mapping.dmp

Download
memory/1636-54-0x0000000076011000-0x0000000076013000-memory.dmp

Filesize
8KB

Download
memory/1636-55-0x0000000074D40000-0x00000000752EB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads