njrat | febb8bb939db969aebc42c70ed6e96dff895b116fd049b6c4f85f9a90ad1bc49

Analysis

max time kernel
148s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/02/2025, 07:36

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General

Target

febb8bb939db969aebc42c70ed6e96dff895b116fd049b6c4f85f9a90ad1bc49.exe
Size

240KB
MD5

6df5520cdae8ba7dbc37ad82e7a9295f
SHA1

a8814cf76350dc1ecf79bc47fb9ca366695be621
SHA256

febb8bb939db969aebc42c70ed6e96dff895b116fd049b6c4f85f9a90ad1bc49
SHA512

749e4dc974b56eeaefd81f585dc26492404c836a804eebd368d2cd226688001fa26fb198e9da4fbf5db34014952c3561e373aef2001a60c0d6bb545e8112a84f
SSDEEP

6144:3+x9BQjb3N0X9I2MeYwxzy8yfEn2/seQA:Oi3c9tMSyncneZ

Score

10^/10

njrat victim trojan

Malware Config

Extracted

Family

njrat

Version

<- NjRAT 0.7d Horror Edition ->

Botnet

Victim

127.0.0.1:4444

Mutex

d099d73cec5e8c22e0945821b611e5d5

Attributes

reg_key
d099d73cec5e8c22e0945821b611e5d5
splitter
Y262SUCZ4UJJ

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Executes dropped EXE 1 IoCs

pid	Process
2352	winlogon.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

description	pid	Process
Token: SeDebugPrivilege	1736	febb8bb939db969aebc42c70ed6e96dff895b116fd049b6c4f85f9a90ad1bc49.exe
Token: SeDebugPrivilege	2352	winlogon.exe
Token: 33	2352	winlogon.exe
Token: SeIncBasePriorityPrivilege	2352	winlogon.exe
Token: 33	2352	winlogon.exe
Token: SeIncBasePriorityPrivilege	2352	winlogon.exe
Token: 33	2352	winlogon.exe
Token: SeIncBasePriorityPrivilege	2352	winlogon.exe
Token: 33	2352	winlogon.exe
Token: SeIncBasePriorityPrivilege	2352	winlogon.exe
Token: 33	2352	winlogon.exe
Token: SeIncBasePriorityPrivilege	2352	winlogon.exe
Token: 33	2352	winlogon.exe
Token: SeIncBasePriorityPrivilege	2352	winlogon.exe
Token: 33	2352	winlogon.exe
Token: SeIncBasePriorityPrivilege	2352	winlogon.exe
Token: 33	2352	winlogon.exe
Token: SeIncBasePriorityPrivilege	2352	winlogon.exe
Token: 33	2352	winlogon.exe
Token: SeIncBasePriorityPrivilege	2352	winlogon.exe
Token: 33	2352	winlogon.exe
Token: SeIncBasePriorityPrivilege	2352	winlogon.exe
Token: 33	2352	winlogon.exe
Token: SeIncBasePriorityPrivilege	2352	winlogon.exe
Token: 33	2352	winlogon.exe
Token: SeIncBasePriorityPrivilege	2352	winlogon.exe
Token: 33	2352	winlogon.exe
Token: SeIncBasePriorityPrivilege	2352	winlogon.exe
Token: 33	2352	winlogon.exe
Token: SeIncBasePriorityPrivilege	2352	winlogon.exe
Token: 33	2352	winlogon.exe
Token: SeIncBasePriorityPrivilege	2352	winlogon.exe
Token: 33	2352	winlogon.exe
Token: SeIncBasePriorityPrivilege	2352	winlogon.exe
Token: 33	2352	winlogon.exe
Token: SeIncBasePriorityPrivilege	2352	winlogon.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2352	2116	taskeng.exe	31
PID 2116 wrote to memory of 2352	2116	taskeng.exe	31
PID 2116 wrote to memory of 2352	2116	taskeng.exe	31

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\febb8bb939db969aebc42c70ed6e96dff895b116fd049b6c4f85f9a90ad1bc49.exe
"C:\Users\Admin\AppData\Local\Temp\febb8bb939db969aebc42c70ed6e96dff895b116fd049b6c4f85f9a90ad1bc49.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1736

C:\Windows\system32\taskeng.exe
taskeng.exe {D80F98C4-2436-4A3A-BF7B-B9CB84DD9790} S-1-5-21-3063565911-2056067323-3330884624-1000:KHBTHJFA\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Users\Admin\AppData\Roaming\winlogon.exe
  C:\Users\Admin\AppData\Roaming\winlogon.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2352

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\winlogon.exe

Filesize
240KB

MD5
6df5520cdae8ba7dbc37ad82e7a9295f

SHA1
a8814cf76350dc1ecf79bc47fb9ca366695be621

SHA256
febb8bb939db969aebc42c70ed6e96dff895b116fd049b6c4f85f9a90ad1bc49

SHA512
749e4dc974b56eeaefd81f585dc26492404c836a804eebd368d2cd226688001fa26fb198e9da4fbf5db34014952c3561e373aef2001a60c0d6bb545e8112a84f

Download Submit
memory/1736-0-0x000007FEF5C13000-0x000007FEF5C14000-memory.dmp

Filesize
4KB

Download
memory/1736-1-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/1736-4-0x000007FEF5C10000-0x000007FEF65FC000-memory.dmp

Filesize
9.9MB

Download
memory/2352-8-0x000007FEF5223000-0x000007FEF5224000-memory.dmp

Filesize
4KB

Download
memory/2352-9-0x0000000000B50000-0x0000000000B92000-memory.dmp

Filesize
264KB

Download
memory/2352-10-0x000007FEF5220000-0x000007FEF5C0C000-memory.dmp

Filesize
9.9MB

Download
memory/2352-11-0x0000000000160000-0x0000000000174000-memory.dmp

Filesize
80KB

Download
memory/2352-12-0x000007FEF5220000-0x000007FEF5C0C000-memory.dmp

Filesize
9.9MB

Download