njrat | f8eb9b286a0d33e287568961f883aa9d1be6e9ec8cf5eee3a3a1a6b106d02f74

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:15

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General

Target

b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2.exe
Size

115KB
MD5

cbb4496a4c6c4c6d08079f060b3f8e14
SHA1

ef6e16c2084be9b0c591707e1aff307ecf62ba71
SHA256

b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2
SHA512

48e0692c88b937574d29b5ef76d85957f776013f2bf6a07683995fe46d9fc1402a4e67f975016dd9de96f7afde784b5fd1511ef647e8b464d4f90c53cf8ee120
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDQgh:P5eznsjsguGDFqGZ2rDth

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
2708	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2112	chargeable.exe
2376	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2944	b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2.exe
2944	b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2.exe"	b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2112 set thread context of 2376	2112	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 31 IoCs

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

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 2112	2944	b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2.exe	31
PID 2944 wrote to memory of 2112	2944	b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2.exe	31
PID 2944 wrote to memory of 2112	2944	b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2.exe	31
PID 2944 wrote to memory of 2112	2944	b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2.exe	31
PID 2112 wrote to memory of 2376	2112	chargeable.exe	32
PID 2112 wrote to memory of 2376	2112	chargeable.exe	32
PID 2112 wrote to memory of 2376	2112	chargeable.exe	32
PID 2112 wrote to memory of 2376	2112	chargeable.exe	32
PID 2112 wrote to memory of 2376	2112	chargeable.exe	32
PID 2112 wrote to memory of 2376	2112	chargeable.exe	32
PID 2112 wrote to memory of 2376	2112	chargeable.exe	32
PID 2112 wrote to memory of 2376	2112	chargeable.exe	32
PID 2112 wrote to memory of 2376	2112	chargeable.exe	32
PID 2376 wrote to memory of 2708	2376	chargeable.exe	33
PID 2376 wrote to memory of 2708	2376	chargeable.exe	33
PID 2376 wrote to memory of 2708	2376	chargeable.exe	33
PID 2376 wrote to memory of 2708	2376	chargeable.exe	33

C:\Users\Admin\AppData\Local\Temp\b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2.exe
"C:\Users\Admin\AppData\Local\Temp\b8b78dcf13364a7f2dc9097d204efbfc8157ca213933396b9c408467e74b1dd2.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2944
- 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:2112
- - 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:2376
  - - 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:2708

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
086086cbf4fc7c3a2ab69a0696ccb54c

SHA1
3b84227a1304e562c717b67900b8f55812119342

SHA256
18736bab1f10bd8010a2c82fa34413f70a42755192548b7fc185fca023d1834f

SHA512
27fff901799887ec5d4bd1a832cd58fe91dda5f9baefb8a0a31b935e12c53c38246f765c48fa97e574731f590da5126e69118c5ab528c671bc1e4da0874fbbc8

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

Filesize
344B

MD5
cf0cd847461b8ef336cd65a7f95b17e0

SHA1
69e74a73c5189478023a903b58a2a105b2abd9e7

SHA256
bd8f6f562a6738ab09d0ad8fb71739fff48bc655e9d3adbe83ab44b5d2c4e4f7

SHA512
2369e0f481b75c4458693c6847156dd69eeb7fec1faf1abce5e2aed97282711371c72204db274d869b4904a3906e2eb32e4a1d0d23f92864616e802c3dd2d5f5

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

Filesize
344B

MD5
c34a5db54a55f6a800b40808336bf0ca

SHA1
cd27663ac9a7fdbb9cf2638b984ab87b3dea97dc

SHA256
7498eb02e2953acc6ab88e20ee71592422a333ba89dd57632d7e91af957c3ff9

SHA512
2e2653284e561e88a632648a2f3c0501c33912ced967bf195d2fddb8b0a2bc7179042bf92277a00fbfcb94d73c579ee26b82d08c8ed391d090c8f8f52caf09a3

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

Filesize
344B

MD5
09170011c86a7278e7274dd6ff070317

SHA1
a48a5b13264a2e3687a0819741e6801869ae7497

SHA256
da2435b67ad66140e5828dc583787ac705db06e5b3fa8a411b340cafbf035fa8

SHA512
d585fcdf2c0f1ecc4b6b38469daa197081b228b6571643ceecc40e805266e33c816e59a4efd2cff5a39f5e84283306ea85228eb1cab1b63519a8e62aa208dd0c

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

Filesize
252B

MD5
dec32b56a31f2963bd5d62c4ed7106a7

SHA1
499453d54929774ea0fcfeedd7778c31f3e4900a

SHA256
ccd87e5fab438c7e2ab8f2a9ce437d0a1a874331bc05828fd48d62ff4a60e8e5

SHA512
acc0e9d3a901b0bf590fde57041de728e15d45f87130982a1ef1efce349a04609b646d402028923a30e2294ad2acc114bca4b8f2aca3b9b9739fc591006d1d98

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabE2F2.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarE323.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarF160.tmp

Filesize
183KB

MD5
109cab5505f5e065b63d01361467a83b

SHA1
4ed78955b9272a9ed689b51bf2bf4a86a25e53fc

SHA256
ea6b7f51e85835c09259d9475a7d246c3e764ad67c449673f9dc97172c351673

SHA512
753a6da5d6889dd52f40208e37f2b8c185805ef81148682b269fff5aa84a46d710fe0ebfe05bce625da2e801e1c26745998a41266fa36bf47bc088a224d730cc

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

Filesize
115KB

MD5
054701e4d775216b3f2df5d3fe07e1e4

SHA1
316b80cf0ff97bc2cc54ee1d064274966fe39b6a

SHA256
df85540a1f1099cf02577285371ac42a723745ccd2667075a2ff6926e4d6dc5f

SHA512
e4384c89903c1752b11f0b7824bf872f83287f44642aee9a92fc4487e2c5cef99ab239b80dd6102bbc58c8c7a005c1a4fb680848f71e13c9fe07559260f1ac32

Download Submit
memory/2376-364-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2376-367-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2376-366-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2944-2-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2944-195-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2944-182-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2944-1-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2944-184-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2944-0-0x0000000074DA1000-0x0000000074DA2000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads