njrat | 0d07cad3d0073bf9e627236199f773416b8de0c79391a9d4d1d238c7803ef12c

Analysis

max time kernel
120s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2025 18:23

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General

Target

0d07cad3d0073bf9e627236199f773416b8de0c79391a9d4d1d238c7803ef12c.exe
Size

115KB
MD5

6d8e70d54d39f18d8826ca669dd8918d
SHA1

65bd9ceda4a11114e9e760acd350fe22e6c789cf
SHA256

0d07cad3d0073bf9e627236199f773416b8de0c79391a9d4d1d238c7803ef12c
SHA512

19e92a97d4c1c78362cf244ab65e5604cd0e40b25c5212870a20f02f1e7b8d91a992fc1da4706fadc84ac9dc3fc9abd77612742fd863e74ba9fb97beeebef0bb
SSDEEP

3072:lHZ28rd2yNqfdcO6L0UQnICMce3SdJFhsz0HMib4O:l1dZnQIEei3Fhsz0MI

Score

10^/10

njrat hacked defense_evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

agdsagds.kro.kr:1111

Mutex

7bc5d4676f29fca15e68905e11aefcf9

Attributes

reg_key
7bc5d4676f29fca15e68905e11aefcf9
splitter
|'|'|

Signatures

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

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4896	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-1-5-21-2436272344-4274332273-444425594-1000\Control Panel\International\Geo\Nation	0d07cad3d0073bf9e627236199f773416b8de0c79391a9d4d1d238c7803ef12c.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7bc5d4676f29fca15e68905e11aefcf9.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7bc5d4676f29fca15e68905e11aefcf9.exe	server.exe

Executes dropped EXE 1 IoCs

pid	Process
2376	server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7bc5d4676f29fca15e68905e11aefcf9 = "\"C:\\Users\\Admin\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7bc5d4676f29fca15e68905e11aefcf9 = "\"C:\\Users\\Admin\\server.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 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 queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe
2376	server.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2376	server.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	2376	server.exe
Token: 33	2376	server.exe
Token: SeIncBasePriorityPrivilege	2376	server.exe
Token: 33	2376	server.exe
Token: SeIncBasePriorityPrivilege	2376	server.exe
Token: 33	2376	server.exe
Token: SeIncBasePriorityPrivilege	2376	server.exe
Token: 33	2376	server.exe
Token: SeIncBasePriorityPrivilege	2376	server.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1392 wrote to memory of 2376	1392	0d07cad3d0073bf9e627236199f773416b8de0c79391a9d4d1d238c7803ef12c.exe	90
PID 1392 wrote to memory of 2376	1392	0d07cad3d0073bf9e627236199f773416b8de0c79391a9d4d1d238c7803ef12c.exe	90
PID 2376 wrote to memory of 4896	2376	server.exe	91
PID 2376 wrote to memory of 4896	2376	server.exe	91

C:\Users\Admin\AppData\Local\Temp\0d07cad3d0073bf9e627236199f773416b8de0c79391a9d4d1d238c7803ef12c.exe
"C:\Users\Admin\AppData\Local\Temp\0d07cad3d0073bf9e627236199f773416b8de0c79391a9d4d1d238c7803ef12c.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1392
- C:\Users\Admin\server.exe
  "C:\Users\Admin\server.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2376
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:4896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\server.exe

Filesize
115KB

MD5
6d8e70d54d39f18d8826ca669dd8918d

SHA1
65bd9ceda4a11114e9e760acd350fe22e6c789cf

SHA256
0d07cad3d0073bf9e627236199f773416b8de0c79391a9d4d1d238c7803ef12c

SHA512
19e92a97d4c1c78362cf244ab65e5604cd0e40b25c5212870a20f02f1e7b8d91a992fc1da4706fadc84ac9dc3fc9abd77612742fd863e74ba9fb97beeebef0bb

Download Submit
memory/1392-6-0x000000001B870000-0x000000001B916000-memory.dmp

Filesize
664KB

Download
memory/1392-1-0x00007FFDA9050000-0x00007FFDA99F1000-memory.dmp

Filesize
9.6MB

Download
memory/1392-3-0x00007FFDA9305000-0x00007FFDA9306000-memory.dmp

Filesize
4KB

Download
memory/1392-4-0x00007FFDA9050000-0x00007FFDA99F1000-memory.dmp

Filesize
9.6MB

Download
memory/1392-5-0x0000000000FF0000-0x0000000001000000-memory.dmp

Filesize
64KB

Download
memory/1392-0-0x00007FFDA9305000-0x00007FFDA9306000-memory.dmp

Filesize
4KB

Download
memory/1392-7-0x000000001C850000-0x000000001CD1E000-memory.dmp

Filesize
4.8MB

Download
memory/1392-2-0x00007FFDA9050000-0x00007FFDA99F1000-memory.dmp

Filesize
9.6MB

Download
memory/1392-38-0x00007FFDA9050000-0x00007FFDA99F1000-memory.dmp

Filesize
9.6MB

Download
memory/2376-39-0x00007FFDA9050000-0x00007FFDA99F1000-memory.dmp

Filesize
9.6MB

Download
memory/2376-40-0x00007FFDA9050000-0x00007FFDA99F1000-memory.dmp

Filesize
9.6MB

Download
memory/2376-41-0x00007FFDA9050000-0x00007FFDA99F1000-memory.dmp

Filesize
9.6MB

Download
memory/2376-43-0x000000001C560000-0x000000001C5FC000-memory.dmp

Filesize
624KB

Download
memory/2376-44-0x00000000017D0000-0x00000000017D8000-memory.dmp

Filesize
32KB

Download