8d4c9b97cae0f3c35ab9a5ffa7f1ab45f7c304fb0d7c517828fed0c2048f6d4a

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 05:16

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General

Target

Server.exe
Size

93KB
MD5

3f3ae3a450723c80b1aaff419e0d1369
SHA1

bb3e89cde4dd9d29a688b25a0002163540555b6d
SHA256

8d4c9b97cae0f3c35ab9a5ffa7f1ab45f7c304fb0d7c517828fed0c2048f6d4a
SHA512

81cfe00bfb7ff567b66747937c37ee846ae8a672dd3be573b013bc431c2d7d9602f7c02f568a3c996cefc2f86ca9597bc64e9f615b3ef7aae45360e3d15f6aab
SSDEEP

768:QY33lgSRmnldjcRoMwrx7Y+DIkIITJbXX0pOt8ux82SXxrjEtCdnl2pi1Rz4Rk33:PlTmlbrq+1NTZ0OMjEwzGi1dDzDXgS

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
5032	netsh.exe
2852	netsh.exe
4820	netsh.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service

T1102

flow	ioc
47	6.tcp.eu.ngrok.io
70	6.tcp.eu.ngrok.io
13	6.tcp.eu.ngrok.io

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 value enumerated	\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 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
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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 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
3604	Server.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	3604	Server.exe
Token: 33	3604	Server.exe
Token: SeIncBasePriorityPrivilege	3604	Server.exe
Token: 33	3604	Server.exe
Token: SeIncBasePriorityPrivilege	3604	Server.exe
Token: 33	3604	Server.exe
Token: SeIncBasePriorityPrivilege	3604	Server.exe
Token: 33	3604	Server.exe
Token: SeIncBasePriorityPrivilege	3604	Server.exe
Token: 33	3604	Server.exe
Token: SeIncBasePriorityPrivilege	3604	Server.exe
Token: 33	3604	Server.exe
Token: SeIncBasePriorityPrivilege	3604	Server.exe
Token: 33	3604	Server.exe
Token: SeIncBasePriorityPrivilege	3604	Server.exe
Token: 33	3604	Server.exe
Token: SeIncBasePriorityPrivilege	3604	Server.exe
Token: 33	3604	Server.exe
Token: SeIncBasePriorityPrivilege	3604	Server.exe
Token: 33	3604	Server.exe
Token: SeIncBasePriorityPrivilege	3604	Server.exe
Token: 33	3604	Server.exe
Token: SeIncBasePriorityPrivilege	3604	Server.exe
Token: 33	3604	Server.exe
Token: SeIncBasePriorityPrivilege	3604	Server.exe
Token: 33	3604	Server.exe
Token: SeIncBasePriorityPrivilege	3604	Server.exe
Token: 33	3604	Server.exe
Token: SeIncBasePriorityPrivilege	3604	Server.exe
Token: 33	3604	Server.exe
Token: SeIncBasePriorityPrivilege	3604	Server.exe
Token: 33	3604	Server.exe
Token: SeIncBasePriorityPrivilege	3604	Server.exe
Token: 33	3604	Server.exe
Token: SeIncBasePriorityPrivilege	3604	Server.exe
Token: 33	3604	Server.exe
Token: SeIncBasePriorityPrivilege	3604	Server.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3604 wrote to memory of 5032	3604	Server.exe	83
PID 3604 wrote to memory of 5032	3604	Server.exe	83
PID 3604 wrote to memory of 5032	3604	Server.exe	83
PID 3604 wrote to memory of 2852	3604	Server.exe	86
PID 3604 wrote to memory of 2852	3604	Server.exe	86
PID 3604 wrote to memory of 2852	3604	Server.exe	86
PID 3604 wrote to memory of 4820	3604	Server.exe	87
PID 3604 wrote to memory of 4820	3604	Server.exe	87
PID 3604 wrote to memory of 4820	3604	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:3604
- 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:5032
- 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:2852
- 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:4820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

memory/3604-0-0x0000000074632000-0x0000000074633000-memory.dmp

Filesize
4KB

Download
memory/3604-1-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/3604-2-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/3604-5-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download
memory/3604-4-0x0000000074632000-0x0000000074633000-memory.dmp

Filesize
4KB

Download
memory/3604-6-0x0000000074630000-0x0000000074BE1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads