neptunerat | c5543db63b5bcc52f9e8cecc291777e60b25a10f6fa0c5e9720a0c380fc2a951

Analysis

max time kernel
149s
max time network
148s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20260911-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20260911-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
submitted
24/09/2026, 16:33

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General

Target
ddos.exe
Size 48KB
Sample260924-t2n3asytez
SHA256 c5543db63b5bcc52f9e8cecc291777e60b25a10f6fa0c5e9720a0c380fc2a951
MD5 b03d69e5f0e9a0647bf5d23f5e54bed6
SHA1 09b8e3adc24d44971499e2a80c6d7e82ffbeeeda
SHA512 6d2c2341cd8823f3fd80ba2693e24cd1d7a374e98032a9f7329356be94f659dd41435c1065311d5d55c1d0706989a7aa64f39f0b75fe5b096886eb24a93439bb
SSDEEP 768:tvveZKAppYSCTzceKbAEOy/O0QNq7hLOK1OYy:teZKjzzcrbAEOym0D1O9Yy
TLSH
T12723D68DBBE50129D5BF5BF16D73A20983B079979506C50FACD406CB2B27B884690EF3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution neptunerat persistence trojan

Malware Config

Extracted

Family

neptunerat

h2ackercypranos-49474.portmap.host:49474

Attributes

filename
USB.exe
group
MasonGroup
key
d75A1le5RsKu7AIP
rat_name
MasonRAT

Signatures

Family: NeptuneRAT, MasonRAT
NeptuneRAT aka MasonRAT is a trojan written in C#.
trojan neptunerat

Detects NeptuneRAT stealer 2 IoCs

resource	yara_rule
behavioral2/memory/900-0-0x0000000000990000-0x00000000009A2000-memory.dmp	family_neptunerat
behavioral2/files/0x000a000000028455-2.dat	family_neptunerat

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-1-5-21-2545564138-786060179-1728272436-1000\Control Panel\International\Geo\Nation	ddos.exe

Executes dropped EXE 4 IoCs

pid	Process
2372	ddos.exe
4760	ddos.exe
2376	ddos.exe
1928	ddos.exe

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2456	schtasks.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	900	ddos.exe
Token: SeDebugPrivilege	2372	ddos.exe
Token: SeDebugPrivilege	4760	ddos.exe
Token: SeDebugPrivilege	2376	ddos.exe
Token: SeDebugPrivilege	1928	ddos.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 900 wrote to memory of 2456	900	ddos.exe	84

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\ddos.exe
"C:\Users\Admin\AppData\Local\Temp\ddos.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:900
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /tn "ddos" /tr "C:\Users\Admin\AppData\Roaming\ddos.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2456

C:\Users\Admin\AppData\Roaming\ddos.exe
C:\Users\Admin\AppData\Roaming\ddos.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2372

C:\Users\Admin\AppData\Roaming\ddos.exe
"C:\Users\Admin\AppData\Roaming\ddos.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4760

C:\Users\Admin\AppData\Roaming\ddos.exe
"C:\Users\Admin\AppData\Roaming\ddos.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2376

C:\Users\Admin\AppData\Roaming\ddos.exe
"C:\Users\Admin\AppData\Roaming\ddos.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1928

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

ddos.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\ddos.exe.log
Size 654B
SHA256 d39a78fabca39532fcb85ce908781a75132e1bd01cc50a3b290dd87127837d63
MD5 11c6e74f0561678d2cf7fc075a6cc00c
SHA1 535ee79ba978554abcb98c566235805e7ea18490
SHA512 32c63d67bf512b42e7f57f71287b354200126cb417ef9d869c72e0b9388a7c2f5e3b61f303f1353baa1bf482d0f17e06e23c9f50b2f1babd4d958b6da19c40b0
TLSH
T136F0783432A2E1D5C9127F111C1D298452AF8386B6A0AF1C7A68935DD8261376F313F3
MD5 SHA1 SHA512 TLSH

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ddos.exe

Path C:\Users\Admin\AppData\Roaming\ddos.exe
Size 48KB
SHA256 c5543db63b5bcc52f9e8cecc291777e60b25a10f6fa0c5e9720a0c380fc2a951
MD5 b03d69e5f0e9a0647bf5d23f5e54bed6
SHA1 09b8e3adc24d44971499e2a80c6d7e82ffbeeeda
SHA512 6d2c2341cd8823f3fd80ba2693e24cd1d7a374e98032a9f7329356be94f659dd41435c1065311d5d55c1d0706989a7aa64f39f0b75fe5b096886eb24a93439bb
SSDEEP 768:tvveZKAppYSCTzceKbAEOy/O0QNq7hLOK1OYy:teZKjzzcrbAEOym0D1O9Yy
TLSH
T12723D68DBBE50129D5BF5BF16D73A20983B079979506C50FACD406CB2B27B884690EF3
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/900-0-0x0000000000990000-0x00000000009A2000-memory.dmp

Download

memory/900-1-0x000000001B390000-0x000000001B3A0000-memory.dmp

Download

memory/900-4-0x000000001B390000-0x000000001B3A0000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads