njrat | 7ddbec7fac00ec5624f45da5879ebfa97d95b21c7842cbaa1058daa46a47bd41

Analysis

max time kernel
147s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:16

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General

Target

c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.exe
Size

115KB
MD5

4bfc91ad73afd3925f3116fd870c6e65
SHA1

6715e01e71153f24cece377d6be80ed513e0acc2
SHA256

c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297
SHA512

daf2d857a96a5f71f670a0c352b365268df4a4a723a07f9d38c466265239eb30589afd8eed7971d1e8781a129c8c962c316014d4c07e1857352d2a217ad2e240
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDI3:P5eznsjsguGDFqGZ2rDI3

Score

10^/10

njrat neuf defense_evasion discovery persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes

reg_key
e1a87040f2026369a233f9ae76301b7b
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
2300	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
528	chargeable.exe
2860	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2204	c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.exe
2204	c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.exe"	c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 528 set thread context of 2860	528	chargeable.exe	32

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 4 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	c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe
Token: 33	2860	chargeable.exe
Token: SeIncBasePriorityPrivilege	2860	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 528	2204	c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.exe	31
PID 2204 wrote to memory of 528	2204	c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.exe	31
PID 2204 wrote to memory of 528	2204	c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.exe	31
PID 2204 wrote to memory of 528	2204	c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.exe	31
PID 528 wrote to memory of 2860	528	chargeable.exe	32
PID 528 wrote to memory of 2860	528	chargeable.exe	32
PID 528 wrote to memory of 2860	528	chargeable.exe	32
PID 528 wrote to memory of 2860	528	chargeable.exe	32
PID 528 wrote to memory of 2860	528	chargeable.exe	32
PID 528 wrote to memory of 2860	528	chargeable.exe	32
PID 528 wrote to memory of 2860	528	chargeable.exe	32
PID 528 wrote to memory of 2860	528	chargeable.exe	32
PID 528 wrote to memory of 2860	528	chargeable.exe	32
PID 2860 wrote to memory of 2300	2860	chargeable.exe	33
PID 2860 wrote to memory of 2300	2860	chargeable.exe	33
PID 2860 wrote to memory of 2300	2860	chargeable.exe	33
PID 2860 wrote to memory of 2300	2860	chargeable.exe	33

C:\Users\Admin\AppData\Local\Temp\c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.exe
"C:\Users\Admin\AppData\Local\Temp\c4639b8ab98b523a89ed2bda24ad0398b38514d4a5737e6450912caaca523297.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
  "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:528
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2860
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:2300

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\37C951188967C8EB88D99893D9D191FE

Filesize
825B

MD5
3b5e0bd6640456a749d9155e6c135727

SHA1
7d985e42e7df8cac3cf7ec917df10b9fbef09a21

SHA256
c362a3d2b661c6066a02fc169faaa1976c2f6160da5837c7e68b7e0f67b794ed

SHA512
b1b669bad519dccab5224c8fcdb13bb2b015e22fd30ba57e92c9cde4480e655f19f0bbb862db5fd87828d2a3ab74c4a6090f36b6358f9eefe5c82e024afe4a3e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
71KB

MD5
83142242e97b8953c386f988aa694e4a

SHA1
833ed12fc15b356136dcdd27c61a50f59c5c7d50

SHA256
d72761e1a334a754ce8250e3af7ea4bf25301040929fd88cf9e50b4a9197d755

SHA512
bb6da177bd16d163f377d9b4c63f6d535804137887684c113cc2f643ceab4f34338c06b5a29213c23d375e95d22ef417eac928822dfb3688ce9e2de9d5242d10

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C0018BB1B5834735BFA60CD063B31956

Filesize
1KB

MD5
1ea27366e034eb9447a33ce639c01489

SHA1
d12ed3e7e60c65ce90f0a58b9b9e47292caed923

SHA256
788d210ef206a4d11b6b506bf52124ee03fca4e8a9389fad43772202a7e29452

SHA512
e06f7443f0f7ca5db4411aa0718102c08068e95ec305b6b53c0b42a941a877de39f95c7e7514e69316b41a7ac19eaa6ccddc581fe475bdb842ec920691726e49

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\37C951188967C8EB88D99893D9D191FE

Filesize
264B

MD5
f683967f28cb75eeed2e1c6fcace1631

SHA1
090d38692dd3ffc0dc10356eaf45d8cad6da8163

SHA256
42b9bbc8754848a801bfc7bf8e2240fcc49ee622682b9a0db7ccced73228f36e

SHA512
9835e60cab3eaaa46e0fef629fee3a97b7f876d34c5443178c3807667c5b74a81294e595d5bf0c71b363dac3a50a6d395e854234110e237ae4d746e641b2463b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
a5419b9756dc5810b98a6a4414544d5c

SHA1
9da26ccba04c35bbcafe2c55bea063d2d449748a

SHA256
05c7b73dbc23e8c3040b6a4eacac9ba73b6c52713fc5905517465829f3de8d03

SHA512
7173cf1587285c04922cdf97d49f1d067735dd6669b29292238dd010b45a4af7bd486973b85ee78329f4eec46a0e8f7b978cd7c878c4cff9bcd5c091b09d723a

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
2542f9e34848ad8a23b7c0e7cdc8fa30

SHA1
ebcf4ec24a9d859adbff9b567173bc67f4c9814f

SHA256
c6c7d36d349dc77b20d893d4e365befc4c9cc9ccd4200497693cc7a176e847f2

SHA512
4cac1a25ead896b3c52e5ed8aa993489342562cd1b44e510e9af64fbb1646c89a9c759cb6ddc627186a73b008a7802871940dd2ddcd5af3bed7e52dc02dd0af0

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
7b695a54654fb70eef12f1387c9d1cdf

SHA1
d945e3ba3014f1e8a2cdc73dc97a08beab0fefe9

SHA256
de5898b944586f34b166a228e4b0c550b9943d664b7a9d2d8f119dd01e3b5209

SHA512
7efd1f79b020e4ada1a8bd4b321106e29067f9d1ffbc2c99916b96c4c68155564de29ee3bde884be7d12be886cc8e4165e8192898f9ae26ac84faf05136d3ddd

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C0018BB1B5834735BFA60CD063B31956

Filesize
252B

MD5
0fecbf31f63cf2321f0ccc720824488a

SHA1
f14b7c7ffb994ea8c8070b304ee3385c71c9d64a

SHA256
1c73e89a81d2e6c3b1fd5927723caca7a1df5dd8ad61416384230968518d4455

SHA512
958350fdce50c40004350a2cbf53e164fa30dbb66b49a3a56d8874b28ed1d3655b68af4dcb0b15fc9616828eaec71b79bcf184c6f3caa45abaeaadda5f20bee9

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabD49F.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarD4B2.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarD7D8.tmp

Filesize
183KB

MD5
109cab5505f5e065b63d01361467a83b

SHA1
4ed78955b9272a9ed689b51bf2bf4a86a25e53fc

SHA256
ea6b7f51e85835c09259d9475a7d246c3e764ad67c449673f9dc97172c351673

SHA512
753a6da5d6889dd52f40208e37f2b8c185805ef81148682b269fff5aa84a46d710fe0ebfe05bce625da2e801e1c26745998a41266fa36bf47bc088a224d730cc

Download Submit
\Users\Admin\AppData\Roaming\confuse\chargeable.exe

Filesize
115KB

MD5
c37731b254e2c13ce69f2ddc233435cd

SHA1
af743d59f5791b360e3e914046bb0f1d21523484

SHA256
4df71bf4e412dc2c2bbe3d0486854f299857bc2a35e5cd27792baf45bb898739

SHA512
0637e4f3d69e2beb76f3406b0b6723abb76daf488c5d37fcd9888035d27ee6fb4e9a0ae7dc7e518227c3537f0f09dc929096aede5f2d5dcd861bb7e20cb2c437

Download Submit
memory/2204-198-0x00000000748F0000-0x0000000074E9B000-memory.dmp

Filesize
5.7MB

Download
memory/2204-184-0x00000000748F0000-0x0000000074E9B000-memory.dmp

Filesize
5.7MB

Download
memory/2204-1-0x00000000748F0000-0x0000000074E9B000-memory.dmp

Filesize
5.7MB

Download
memory/2204-0-0x00000000748F1000-0x00000000748F2000-memory.dmp

Filesize
4KB

Download
memory/2204-9-0x00000000748F0000-0x0000000074E9B000-memory.dmp

Filesize
5.7MB

Download
memory/2860-366-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2860-365-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2860-363-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads