njrat | 88b48f6c8b81bf26f19f28d1d1168de2d837074c890ee462dc62ec33678bec3c

Analysis

max time kernel
146s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 00:16

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General

Target

88b48f6c8b81bf26f19f28d1d1168de2d837074c890ee462dc62ec33678bec3c.exe
Size

119KB
MD5

05f40f60d5c78afbe9f60851981901ce
SHA1

72144382c51f178ff25868c8d73ae411c2fd000e
SHA256

88b48f6c8b81bf26f19f28d1d1168de2d837074c890ee462dc62ec33678bec3c
SHA512

7d06792cfdb3af53a4b331aac90007a2c809e6d019ce6d5e03b053858635dc9fa8df00d14239a96efc721295ffbf0e7128998dac2f21a5fd806d3efdd72583a6
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVg4:P5eznsjsguGDFqGZ2rDLZ

Score

10^/10

njrat neuf discovery evasion 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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1384	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2452	chargeable.exe
1648	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2440	88b48f6c8b81bf26f19f28d1d1168de2d837074c890ee462dc62ec33678bec3c.exe
2440	88b48f6c8b81bf26f19f28d1d1168de2d837074c890ee462dc62ec33678bec3c.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	88b48f6c8b81bf26f19f28d1d1168de2d837074c890ee462dc62ec33678bec3c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\88b48f6c8b81bf26f19f28d1d1168de2d837074c890ee462dc62ec33678bec3c.exe"	88b48f6c8b81bf26f19f28d1d1168de2d837074c890ee462dc62ec33678bec3c.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2452 set thread context of 1648	2452	chargeable.exe	29

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	88b48f6c8b81bf26f19f28d1d1168de2d837074c890ee462dc62ec33678bec3c.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	1648	chargeable.exe
Token: 33	1648	chargeable.exe
Token: SeIncBasePriorityPrivilege	1648	chargeable.exe
Token: 33	1648	chargeable.exe
Token: SeIncBasePriorityPrivilege	1648	chargeable.exe
Token: 33	1648	chargeable.exe
Token: SeIncBasePriorityPrivilege	1648	chargeable.exe
Token: 33	1648	chargeable.exe
Token: SeIncBasePriorityPrivilege	1648	chargeable.exe
Token: 33	1648	chargeable.exe
Token: SeIncBasePriorityPrivilege	1648	chargeable.exe
Token: 33	1648	chargeable.exe
Token: SeIncBasePriorityPrivilege	1648	chargeable.exe
Token: 33	1648	chargeable.exe
Token: SeIncBasePriorityPrivilege	1648	chargeable.exe
Token: 33	1648	chargeable.exe
Token: SeIncBasePriorityPrivilege	1648	chargeable.exe
Token: 33	1648	chargeable.exe
Token: SeIncBasePriorityPrivilege	1648	chargeable.exe
Token: 33	1648	chargeable.exe
Token: SeIncBasePriorityPrivilege	1648	chargeable.exe
Token: 33	1648	chargeable.exe
Token: SeIncBasePriorityPrivilege	1648	chargeable.exe
Token: 33	1648	chargeable.exe
Token: SeIncBasePriorityPrivilege	1648	chargeable.exe
Token: 33	1648	chargeable.exe
Token: SeIncBasePriorityPrivilege	1648	chargeable.exe
Token: 33	1648	chargeable.exe
Token: SeIncBasePriorityPrivilege	1648	chargeable.exe
Token: 33	1648	chargeable.exe
Token: SeIncBasePriorityPrivilege	1648	chargeable.exe
Token: 33	1648	chargeable.exe
Token: SeIncBasePriorityPrivilege	1648	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2452	2440	88b48f6c8b81bf26f19f28d1d1168de2d837074c890ee462dc62ec33678bec3c.exe	28
PID 2440 wrote to memory of 2452	2440	88b48f6c8b81bf26f19f28d1d1168de2d837074c890ee462dc62ec33678bec3c.exe	28
PID 2440 wrote to memory of 2452	2440	88b48f6c8b81bf26f19f28d1d1168de2d837074c890ee462dc62ec33678bec3c.exe	28
PID 2440 wrote to memory of 2452	2440	88b48f6c8b81bf26f19f28d1d1168de2d837074c890ee462dc62ec33678bec3c.exe	28
PID 2452 wrote to memory of 1648	2452	chargeable.exe	29
PID 2452 wrote to memory of 1648	2452	chargeable.exe	29
PID 2452 wrote to memory of 1648	2452	chargeable.exe	29
PID 2452 wrote to memory of 1648	2452	chargeable.exe	29
PID 2452 wrote to memory of 1648	2452	chargeable.exe	29
PID 2452 wrote to memory of 1648	2452	chargeable.exe	29
PID 2452 wrote to memory of 1648	2452	chargeable.exe	29
PID 2452 wrote to memory of 1648	2452	chargeable.exe	29
PID 2452 wrote to memory of 1648	2452	chargeable.exe	29
PID 1648 wrote to memory of 1384	1648	chargeable.exe	32
PID 1648 wrote to memory of 1384	1648	chargeable.exe	32
PID 1648 wrote to memory of 1384	1648	chargeable.exe	32
PID 1648 wrote to memory of 1384	1648	chargeable.exe	32

C:\Users\Admin\AppData\Local\Temp\88b48f6c8b81bf26f19f28d1d1168de2d837074c890ee462dc62ec33678bec3c.exe
"C:\Users\Admin\AppData\Local\Temp\88b48f6c8b81bf26f19f28d1d1168de2d837074c890ee462dc62ec33678bec3c.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2440
- 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:2452
- - 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:1648
  - - 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:1384

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

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Downloads

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

Filesize
1KB

MD5
fa84e4bcc92aa5db735ab50711040cde

SHA1
084f1cb4c47fdd3be1c833f58359ec8e16f61eb4

SHA256
6d7205e794fde4219a62d9692ecddf612663a5cf20399e79be87b851fca4ca33

SHA512
261a327ed1dffd4166e215d17bfd867df5b77017ba72c879fb2675cfb8eef48b374f6de41da0e51ba7adb9c0165bb2c831840603e873f6429963afd0cb93007f

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

Filesize
1KB

MD5
3e3aed1c0ba46c98a8ef6b3bec083998

SHA1
8df2ba67925f2c9580ead34fc567acd35c55b416

SHA256
3fab079f84b987b1a1e305228bd9d2c7dc9a4033b62d3715073c009391fc949f

SHA512
f0afb50c3ca2843e0dde736e5ce6d327ad2b70ae3e04c46c658878208dbd242059efc414f8eff22e9e6034a4a4948b34bdd612c5156c3d9a7fcbd38238066b29

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

Filesize
264B

MD5
942573263aba8850d8645d40e03110da

SHA1
e1a4215c9d0f47026076e8aeefa08f2882db4021

SHA256
013097cedfd9f864b9b6aa31e0a93f36a6287e96b0fe78cbbbfaeec228530fa7

SHA512
ceac7964b591aa6fed40df131fdf08bd617a33767d4cf46ee70a88caca2fe5bf8ad5b3baf75c72d87a7bc02b74a7467d9a579d13c13268f4940d1650c96c1a2b

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

Filesize
342B

MD5
5e0c36bbcce2bd4ca66b30c7c620b222

SHA1
26e9161bf743c92751b4a050fc9a1a31f64c2452

SHA256
305ea391c63605682e6df40de42fdd5edff12eed95968bc4c5b4bc5367f16f37

SHA512
210abd409ae38ec53c0f3abc0b610031c01048e79e7def705d500d22bee2db6d288957dc0641c93fb7c3759f7cfe69ffae1191ec8ccd71c61935e6b469bdd03c

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

Filesize
342B

MD5
74979a82b780c462c19b8e9f93d51ff0

SHA1
c5d66df15c0942871f025a15211f9a223d66ea7d

SHA256
418f6cf50b4806da628908d622b2aec693290910c2c7e4f7452d66b5110e198f

SHA512
5ff375f9e72a8101fea513625bfb59b97e18328df104a67a94dd2fe075e5e9306f056442ca801e86e256755dfd79facfb0ec12ba76c2e1685796e31c105ae447

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

Filesize
342B

MD5
c976c5ae9a43f654c769aec640c1d21c

SHA1
5cfd01599d3cf0e8681d616ba888068bfb3cc4b2

SHA256
f5112ff8c846b919177aa100285b77f60bf93bf7e13be20a9fd8849067330e55

SHA512
c90bab072cd0fada3d3b27e43c82dbd22dfff20940d20723817dc8ec3741343302d5df0ddedeeb1160c85f385972cb8291d6c3a29ed7a4e4b2565c822bfb4d5b

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

Filesize
252B

MD5
dad670712da135afd666798202015cb3

SHA1
f5439d6abb6bef605b9c7d5d1afba6ca3ef54d18

SHA256
0f0f54bd5607139e32a5d47c2b9779e93a0cfacadd705d224972c1198209b3fd

SHA512
a3f4450bbff10e89d22b047a13b87dd0fd9c3bda5e877466fcfe07b9d4958f2c47d603a755a366d0c65e6bca61f0812e763453873ed63fe7d069eb6fe0681399

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab898C.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar899F.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
119KB

MD5
4b1c530082db233941430e6825ec2157

SHA1
0372b4b0badfa2447662a8e23490a1d62891d527

SHA256
94243ad185452b94e52ebf9c667182f2ea1dc117f3137c8799f3e1328e6baf9b

SHA512
85cf4f29f3e39c47544c7edcefd76270b9f65c5abb8d13ac2fea40588d908e828626cf1d9e3f5d132bca00d2ff683b77889fb9c1dad1e8b868ce8434feaf21c2

Download Submit
memory/1648-346-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1648-349-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1648-348-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2440-0-0x0000000074C81000-0x0000000074C82000-memory.dmp

Filesize
4KB

Download
memory/2440-178-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2440-1-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads