b96820dd387a8ee24604406c5c308edcac2bd5e165dab66e6ef12b1ef8ef02a3

General

Target

Server.exe
Size

93KB
MD5

aefe80e4e229c3e197d525a30bbf1c5c
SHA1

8f41c9ca904594e20265a160305ab46193f34239
SHA256

b96820dd387a8ee24604406c5c308edcac2bd5e165dab66e6ef12b1ef8ef02a3
SHA512

dede337bd34817db5f0e45c18907cc8001e6a212ddda8dbe3a2d07010507c8e4b60d26b409e6dc5f4bde7f7ca2b81d714f8c1ce1c4c352ff613dfffdb2980bdd
SSDEEP

768:fY3Gli6xgrKSMZAZL28d2WmtlX+jRoI++WqXxrjEtCdnl2pi1Rz4Rk3tsGdpMgS7:Plvxg1L2AZmDO+2jEwzGi1dD9DMgS

Score

8^/10

discovery evasion persistence privilege_escalation

Malware Config

Signatures

Modifies Windows Firewall 2 TTPs 3 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1732	netsh.exe
2816	netsh.exe
2448	netsh.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 9 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 opened	\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
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\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
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	Server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4196	Server.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	4196	Server.exe
Token: 33	4196	Server.exe
Token: SeIncBasePriorityPrivilege	4196	Server.exe
Token: 33	4196	Server.exe
Token: SeIncBasePriorityPrivilege	4196	Server.exe
Token: 33	4196	Server.exe
Token: SeIncBasePriorityPrivilege	4196	Server.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4196 wrote to memory of 1732	4196	Server.exe	83
PID 4196 wrote to memory of 1732	4196	Server.exe	83
PID 4196 wrote to memory of 1732	4196	Server.exe	83
PID 4196 wrote to memory of 2816	4196	Server.exe	86
PID 4196 wrote to memory of 2816	4196	Server.exe	86
PID 4196 wrote to memory of 2816	4196	Server.exe	86
PID 4196 wrote to memory of 2448	4196	Server.exe	87
PID 4196 wrote to memory of 2448	4196	Server.exe	87
PID 4196 wrote to memory of 2448	4196	Server.exe	87

C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4196
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe" "Server.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:1732
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe"
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:2816
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe" "Server.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:2448

Network

MITRE ATT&CK Enterprise v15

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 Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4196-0-0x00000000750D2000-0x00000000750D3000-memory.dmp

Filesize
4KB

Download
memory/4196-1-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/4196-2-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/4196-4-0x00000000750D2000-0x00000000750D3000-memory.dmp

Filesize
4KB

Download
memory/4196-5-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/4196-6-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads