9fde827532b71dbb6e3263a50c4d7005ed7cb34b13ab0285186f8131e8d17e7a

Analysis

max time kernel
148s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-09-2024 00:47

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General

Target

9fde827532b71dbb6e3263a50c4d7005ed7cb34b13ab0285186f8131e8d17e7a.exe
Size

93KB
MD5

49130501c3e3ced98b19c89406ea8afa
SHA1

57fd8ae8455d6d6af27ee88a51e32ace8d7ef588
SHA256

9fde827532b71dbb6e3263a50c4d7005ed7cb34b13ab0285186f8131e8d17e7a
SHA512

ead3d077eb9f79a32de75531570bbce895852058c20c0deb440e3c832e3407249088e6218094b9789ee69ca707482e5be729ccdc00c2d3f8e709324adfa5080b
SSDEEP

768:IY3/upD9O/pBcxYsbae6GIXb9pDX2b9zPL0OXLeuXxrjEtCdnl2pi1Rz4Rk3jsGa:PuLOx6baIa9RIj00ljEwzGi1dDvDEgS

Score

8^/10

discovery evasion persistence privilege_escalation

Malware Config

Signatures

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2040	netsh.exe

Checks computer location settings 2 TTPs 1 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	9fde827532b71dbb6e3263a50c4d7005ed7cb34b13ab0285186f8131e8d17e7a.exe

Drops startup file 4 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\36dd2bffd730e382987c13909f3cc4a3Windows Update.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\36dd2bffd730e382987c13909f3cc4a3Windows Update.exe	server.exe

Executes dropped EXE 1 IoCs

pid	Process
3248	server.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 created	C:\autorun.inf	server.exe
File opened for modification	C:\autorun.inf	server.exe
File created	F:\autorun.inf	server.exe
File opened for modification	F:\autorun.inf	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 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

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	9fde827532b71dbb6e3263a50c4d7005ed7cb34b13ab0285186f8131e8d17e7a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3248	server.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	3248	server.exe
Token: 33	3248	server.exe
Token: SeIncBasePriorityPrivilege	3248	server.exe
Token: 33	3248	server.exe
Token: SeIncBasePriorityPrivilege	3248	server.exe
Token: 33	3248	server.exe
Token: SeIncBasePriorityPrivilege	3248	server.exe
Token: 33	3248	server.exe
Token: SeIncBasePriorityPrivilege	3248	server.exe
Token: 33	3248	server.exe
Token: SeIncBasePriorityPrivilege	3248	server.exe
Token: 33	3248	server.exe
Token: SeIncBasePriorityPrivilege	3248	server.exe
Token: 33	3248	server.exe
Token: SeIncBasePriorityPrivilege	3248	server.exe
Token: 33	3248	server.exe
Token: SeIncBasePriorityPrivilege	3248	server.exe
Token: 33	3248	server.exe
Token: SeIncBasePriorityPrivilege	3248	server.exe
Token: 33	3248	server.exe
Token: SeIncBasePriorityPrivilege	3248	server.exe
Token: 33	3248	server.exe
Token: SeIncBasePriorityPrivilege	3248	server.exe
Token: 33	3248	server.exe
Token: SeIncBasePriorityPrivilege	3248	server.exe
Token: 33	3248	server.exe
Token: SeIncBasePriorityPrivilege	3248	server.exe
Token: 33	3248	server.exe
Token: SeIncBasePriorityPrivilege	3248	server.exe
Token: 33	3248	server.exe
Token: SeIncBasePriorityPrivilege	3248	server.exe
Token: 33	3248	server.exe
Token: SeIncBasePriorityPrivilege	3248	server.exe
Token: 33	3248	server.exe
Token: SeIncBasePriorityPrivilege	3248	server.exe
Token: 33	3248	server.exe
Token: SeIncBasePriorityPrivilege	3248	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1028 wrote to memory of 3248	1028	9fde827532b71dbb6e3263a50c4d7005ed7cb34b13ab0285186f8131e8d17e7a.exe	83
PID 1028 wrote to memory of 3248	1028	9fde827532b71dbb6e3263a50c4d7005ed7cb34b13ab0285186f8131e8d17e7a.exe	83
PID 1028 wrote to memory of 3248	1028	9fde827532b71dbb6e3263a50c4d7005ed7cb34b13ab0285186f8131e8d17e7a.exe	83
PID 3248 wrote to memory of 2040	3248	server.exe	84
PID 3248 wrote to memory of 2040	3248	server.exe	84
PID 3248 wrote to memory of 2040	3248	server.exe	84

C:\Users\Admin\AppData\Local\Temp\9fde827532b71dbb6e3263a50c4d7005ed7cb34b13ab0285186f8131e8d17e7a.exe
"C:\Users\Admin\AppData\Local\Temp\9fde827532b71dbb6e3263a50c4d7005ed7cb34b13ab0285186f8131e8d17e7a.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1028
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Drops autorun.inf file
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3248
- - 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:2040

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

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Downloads

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

Filesize
93KB

MD5
49130501c3e3ced98b19c89406ea8afa

SHA1
57fd8ae8455d6d6af27ee88a51e32ace8d7ef588

SHA256
9fde827532b71dbb6e3263a50c4d7005ed7cb34b13ab0285186f8131e8d17e7a

SHA512
ead3d077eb9f79a32de75531570bbce895852058c20c0deb440e3c832e3407249088e6218094b9789ee69ca707482e5be729ccdc00c2d3f8e709324adfa5080b

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

Filesize
5B

MD5
b66e20886f9675fe4dbf430ea2d0bf8d

SHA1
2e676da72201e6e4482e00b300511900c6aee5a0

SHA256
899a421c56c18058cbdd16dd7fb313a57d36c1189ca0f442070ed01d17241414

SHA512
f431616522f775de27ccde420f0de6f8b3477fbe97cfd8001864b8289a570916a6dd32c84fcf8af6083d8c1b47c61aa5c73ed1e7cc75213d3f24bd94a93cb870

Download Submit
memory/1028-0-0x00000000750C2000-0x00000000750C3000-memory.dmp

Filesize
4KB

Download
memory/1028-1-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/1028-2-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/1028-13-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/3248-14-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/3248-28-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads