5ff9c41518353b1c970d4f3b349081265ae8a944dd51255ef60edcfd726c20f1

Analysis

max time kernel
94s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10-09-2024 22:10

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General

Target

5ff9c41518353b1c970d4f3b349081265ae8a944dd51255ef60edcfd726c20f1.exe
Size

93KB
MD5

c6d44b4f274fb0b1a0c1b3c5d2ca7f56
SHA1

74d08d1b9ffc4d590ce3da49bb7733bc56bf2e47
SHA256

5ff9c41518353b1c970d4f3b349081265ae8a944dd51255ef60edcfd726c20f1
SHA512

79b669667be9fe824e14d566133d46a016e2bb0ed202be75a9c10b0a808d20a6fb91cf649f1324936447f82cd314b6e564726265dac0f102a62177afc75971e1
SSDEEP

1536:++zSyh6zaoFjuF0VR5jEwzGi1dDzDHgS:++AzaujucRWi1dDA

Score

8^/10

discovery evasion persistence privilege_escalation

Malware Config

Signatures

Disables Task Manager via registry modification
evasion

Modifies Windows Firewall 2 TTPs 3 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
552	netsh.exe
3748	netsh.exe
3432	netsh.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	5ff9c41518353b1c970d4f3b349081265ae8a944dd51255ef60edcfd726c20f1.exe
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	server.exe

Drops startup file 6 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\81a450f9bb0676b239d695d97260d385Windows Update.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\81a450f9bb0676b239d695d97260d385Windows Update.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.exe	server.exe

Executes dropped EXE 2 IoCs

pid	Process
1476	server.exe
4552	svchost.exe

Drops autorun.inf file 1 TTPs 4 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File opened for modification	F:\autorun.inf	server.exe
File created	C:\autorun.inf	server.exe
File opened for modification	C:\autorun.inf	server.exe
File created	F:\autorun.inf	server.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\svhost.exe	server.exe
File opened for modification	C:\Windows\SysWOW64\svhost.exe	server.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\svhost.exe	server.exe
File opened for modification	C:\Program Files (x86)\svhost.exe	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 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 queried	\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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	netsh.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5ff9c41518353b1c970d4f3b349081265ae8a944dd51255ef60edcfd726c20f1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe
1476	server.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1476	server.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 1476	2136	5ff9c41518353b1c970d4f3b349081265ae8a944dd51255ef60edcfd726c20f1.exe	87
PID 2136 wrote to memory of 1476	2136	5ff9c41518353b1c970d4f3b349081265ae8a944dd51255ef60edcfd726c20f1.exe	87
PID 2136 wrote to memory of 1476	2136	5ff9c41518353b1c970d4f3b349081265ae8a944dd51255ef60edcfd726c20f1.exe	87
PID 1476 wrote to memory of 552	1476	server.exe	88
PID 1476 wrote to memory of 552	1476	server.exe	88
PID 1476 wrote to memory of 552	1476	server.exe	88
PID 1476 wrote to memory of 3748	1476	server.exe	90
PID 1476 wrote to memory of 3748	1476	server.exe	90
PID 1476 wrote to memory of 3748	1476	server.exe	90
PID 1476 wrote to memory of 3432	1476	server.exe	91
PID 1476 wrote to memory of 3432	1476	server.exe	91
PID 1476 wrote to memory of 3432	1476	server.exe	91
PID 1476 wrote to memory of 4552	1476	server.exe	94
PID 1476 wrote to memory of 4552	1476	server.exe	94
PID 1476 wrote to memory of 4552	1476	server.exe	94

C:\Users\Admin\AppData\Local\Temp\5ff9c41518353b1c970d4f3b349081265ae8a944dd51255ef60edcfd726c20f1.exe
"C:\Users\Admin\AppData\Local\Temp\5ff9c41518353b1c970d4f3b349081265ae8a944dd51255ef60edcfd726c20f1.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Drops autorun.inf file
  - Drops file in System32 directory
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1476
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:552
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3748
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3432
- - C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

T1091

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
93KB

MD5
c6d44b4f274fb0b1a0c1b3c5d2ca7f56

SHA1
74d08d1b9ffc4d590ce3da49bb7733bc56bf2e47

SHA256
5ff9c41518353b1c970d4f3b349081265ae8a944dd51255ef60edcfd726c20f1

SHA512
79b669667be9fe824e14d566133d46a016e2bb0ed202be75a9c10b0a808d20a6fb91cf649f1324936447f82cd314b6e564726265dac0f102a62177afc75971e1

Download Submit
C:\Users\Admin\AppData\Roaming\app

Filesize
5B

MD5
a65a8cc18c0fdcac3b78ed8f032e2f98

SHA1
9087f7aaf4edf3b132348b1e5dfa7a678d57d40e

SHA256
ca1c5c735384c64968c987e3e608cb48a3cbd73e870f1bc6d60f2b24f9445e3a

SHA512
8e56c9aa0c90fb30b488fa72a0b9d40e69c357e32d8e6f9d5a299dfbf9df8c896c28684d7163972019ab53dfcfe35dc75e9b305e07c81b9984a410e04b96186d

Download Submit
memory/1476-13-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/1476-15-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/1476-63-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/2136-0-0x0000000074AB2000-0x0000000074AB3000-memory.dmp

Filesize
4KB

Download
memory/2136-1-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/2136-2-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/2136-14-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download