c07fe8e8b3440adf5f88a7e67e23ef2c10fc5f038fd16aa9b773b6999bc014a7

General

Target
0b72c87e3986013d1485e57e0edd84e5.exe
Size 37KB
Sample250720-xnylcsvzct
SHA256 c07fe8e8b3440adf5f88a7e67e23ef2c10fc5f038fd16aa9b773b6999bc014a7
MD5 0b72c87e3986013d1485e57e0edd84e5
SHA1 e3d1edc441804958a890e460c005a544436d401d
SHA512 b9507f608971fb8ab3f56eff3df1a3bd75e089bfab9504f85e7e775f8e85f0095c58743edb5c854a6bcc730d2005927332621bc4986fc8086d5bea609de7df80
SSDEEP 768:ZnDrLsKADtOHiR4akrcQU9FkqrM+rMRa8Nusot:ZnDrCtVSQQU9yV+gRJNj
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

defense_evasion discovery persistence privilege_escalation

Malware Config

Signatures

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
5532	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
3808	server.exe

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0b72c87e3986013d1485e57e0edd84e5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	3808	server.exe
Token: 33	3808	server.exe
Token: SeIncBasePriorityPrivilege	3808	server.exe
Token: 33	3808	server.exe
Token: SeIncBasePriorityPrivilege	3808	server.exe
Token: 33	3808	server.exe
Token: SeIncBasePriorityPrivilege	3808	server.exe
Token: 33	3808	server.exe
Token: SeIncBasePriorityPrivilege	3808	server.exe
Token: 33	3808	server.exe
Token: SeIncBasePriorityPrivilege	3808	server.exe
Token: 33	3808	server.exe
Token: SeIncBasePriorityPrivilege	3808	server.exe
Token: 33	3808	server.exe
Token: SeIncBasePriorityPrivilege	3808	server.exe
Token: 33	3808	server.exe
Token: SeIncBasePriorityPrivilege	3808	server.exe
Token: 33	3808	server.exe
Token: SeIncBasePriorityPrivilege	3808	server.exe
Token: 33	3808	server.exe
Token: SeIncBasePriorityPrivilege	3808	server.exe
Token: 33	3808	server.exe
Token: SeIncBasePriorityPrivilege	3808	server.exe
Token: 33	3808	server.exe
Token: SeIncBasePriorityPrivilege	3808	server.exe
Token: 33	3808	server.exe
Token: SeIncBasePriorityPrivilege	3808	server.exe
Token: 33	3808	server.exe
Token: SeIncBasePriorityPrivilege	3808	server.exe
Token: 33	3808	server.exe
Token: SeIncBasePriorityPrivilege	3808	server.exe
Token: 33	3808	server.exe
Token: SeIncBasePriorityPrivilege	3808	server.exe
Token: 33	3808	server.exe
Token: SeIncBasePriorityPrivilege	3808	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4024 wrote to memory of 3808	4024	0b72c87e3986013d1485e57e0edd84e5.exe	79
PID 4024 wrote to memory of 3808	4024	0b72c87e3986013d1485e57e0edd84e5.exe	79
PID 4024 wrote to memory of 3808	4024	0b72c87e3986013d1485e57e0edd84e5.exe	79
PID 3808 wrote to memory of 5532	3808	server.exe	80
PID 3808 wrote to memory of 5532	3808	server.exe	80
PID 3808 wrote to memory of 5532	3808	server.exe	80

C:\Users\Admin\AppData\Local\Temp\0b72c87e3986013d1485e57e0edd84e5.exe
"C:\Users\Admin\AppData\Local\Temp\0b72c87e3986013d1485e57e0edd84e5.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Users\Admin\server.exe
  "C:\Users\Admin\server.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3808
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:5532

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

1

T1562.004

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

server.exe

Path C:\Users\Admin\server.exe
Size 37KB
SHA256 c07fe8e8b3440adf5f88a7e67e23ef2c10fc5f038fd16aa9b773b6999bc014a7
MD5 0b72c87e3986013d1485e57e0edd84e5
SHA1 e3d1edc441804958a890e460c005a544436d401d
SHA512 b9507f608971fb8ab3f56eff3df1a3bd75e089bfab9504f85e7e775f8e85f0095c58743edb5c854a6bcc730d2005927332621bc4986fc8086d5bea609de7df80
SSDEEP 768:ZnDrLsKADtOHiR4akrcQU9FkqrM+rMRa8Nusot:ZnDrCtVSQQU9yV+gRJNj
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/3808-21-0x0000000074690000-0x0000000074C41000-memory.dmp

Download

memory/3808-22-0x0000000074690000-0x0000000074C41000-memory.dmp

Download

memory/4024-0-0x0000000074691000-0x0000000074692000-memory.dmp

Download

memory/4024-1-0x0000000074690000-0x0000000074C41000-memory.dmp

Download

memory/4024-20-0x0000000074690000-0x0000000074C41000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads