njrat | b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c

General

Target

b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe
Size

114KB
MD5

51fcb0e1145f66264117c2ee3acb717c
SHA1

6e06473649aaa011538582788644181849dc9bc2
SHA256

b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c
SHA512

ec3e189e63d873a12807b573e091b009f5b706b1bbe55ad82760815cbc01c08c874986d49fa97ba9ec876987a17f00619159774f6a3d7ea432f4e22a784d69b8
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMdeRa:P5eznsjsguGDFqGZ2rca

Score

10^/10

njrat neuf discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

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
2948	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2020	chargeable.exe
2368	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2408	b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe
2408	b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe"	b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2020 set thread context of 2368	2020	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	b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.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	2368	chargeable.exe
Token: 33	2368	chargeable.exe
Token: SeIncBasePriorityPrivilege	2368	chargeable.exe
Token: 33	2368	chargeable.exe
Token: SeIncBasePriorityPrivilege	2368	chargeable.exe
Token: 33	2368	chargeable.exe
Token: SeIncBasePriorityPrivilege	2368	chargeable.exe
Token: 33	2368	chargeable.exe
Token: SeIncBasePriorityPrivilege	2368	chargeable.exe
Token: 33	2368	chargeable.exe
Token: SeIncBasePriorityPrivilege	2368	chargeable.exe
Token: 33	2368	chargeable.exe
Token: SeIncBasePriorityPrivilege	2368	chargeable.exe
Token: 33	2368	chargeable.exe
Token: SeIncBasePriorityPrivilege	2368	chargeable.exe
Token: 33	2368	chargeable.exe
Token: SeIncBasePriorityPrivilege	2368	chargeable.exe
Token: 33	2368	chargeable.exe
Token: SeIncBasePriorityPrivilege	2368	chargeable.exe
Token: 33	2368	chargeable.exe
Token: SeIncBasePriorityPrivilege	2368	chargeable.exe
Token: 33	2368	chargeable.exe
Token: SeIncBasePriorityPrivilege	2368	chargeable.exe
Token: 33	2368	chargeable.exe
Token: SeIncBasePriorityPrivilege	2368	chargeable.exe
Token: 33	2368	chargeable.exe
Token: SeIncBasePriorityPrivilege	2368	chargeable.exe
Token: 33	2368	chargeable.exe
Token: SeIncBasePriorityPrivilege	2368	chargeable.exe
Token: 33	2368	chargeable.exe
Token: SeIncBasePriorityPrivilege	2368	chargeable.exe
Token: 33	2368	chargeable.exe
Token: SeIncBasePriorityPrivilege	2368	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 2020	2408	b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe	31
PID 2408 wrote to memory of 2020	2408	b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe	31
PID 2408 wrote to memory of 2020	2408	b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe	31
PID 2408 wrote to memory of 2020	2408	b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe	31
PID 2020 wrote to memory of 2368	2020	chargeable.exe	32
PID 2020 wrote to memory of 2368	2020	chargeable.exe	32
PID 2020 wrote to memory of 2368	2020	chargeable.exe	32
PID 2020 wrote to memory of 2368	2020	chargeable.exe	32
PID 2020 wrote to memory of 2368	2020	chargeable.exe	32
PID 2020 wrote to memory of 2368	2020	chargeable.exe	32
PID 2020 wrote to memory of 2368	2020	chargeable.exe	32
PID 2020 wrote to memory of 2368	2020	chargeable.exe	32
PID 2020 wrote to memory of 2368	2020	chargeable.exe	32
PID 2368 wrote to memory of 2948	2368	chargeable.exe	33
PID 2368 wrote to memory of 2948	2368	chargeable.exe	33
PID 2368 wrote to memory of 2948	2368	chargeable.exe	33
PID 2368 wrote to memory of 2948	2368	chargeable.exe	33

C:\Users\Admin\AppData\Local\Temp\b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe
"C:\Users\Admin\AppData\Local\Temp\b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2408
- 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:2020
- - 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:2368
  - - 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:2948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
342B

MD5
2a27eee08242719603c8c277520a8653

SHA1
277b3c222c64ff5c89e8c78161d84edf7d87565f

SHA256
371f3e0074cf16113373835fbc64ff54babf59ce3940a21d7a48b2a49e010b93

SHA512
7d42f9d90deda5c7aa53f978a4d37c26fa7c05af59a8b39dfab67c210776f8ca2486cb808c9bce8ef68af8ab743454de002d6f8154305c0de2cbf086ad58ddb9

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

Filesize
342B

MD5
afae9b6c3de4a38b4519bcba0ace164d

SHA1
a104846b5b76615cfc970d0ae73c9b47791ba558

SHA256
19fa9e3b63b802b97cb6728d20915284955e36b8fde3d99a94450579c38c1164

SHA512
895bfc16814a42cfb11a6de47d0293b5403225b24d36b7d93a679e6d3aec2ef218a384f73d633b124baf278f7677402371ae8ab8681bf682dd1242000271e71e

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

Filesize
342B

MD5
ca7ea5a54ffc6c8443c1f0f0a9746161

SHA1
64e6ce60d87e3970a4b21637cd2f000145f86ba5

SHA256
34a648328b402f66492aae62172a831612cc42408930ab5fbb06afe4e2dea353

SHA512
d9f4e29ac6db4976539d258ac6054e2133428e92f75b51fefc96f0e2f26146ab34e52f52942deaac3fc26c43a137beb92e759dbb45d739e00db20d68a1d74c75

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabB8D6.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarB8E8.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
114KB

MD5
a31898ba3afca499270fb810e6ebecfa

SHA1
d9a38b4919d8f1c2e660db7dbf5570c66a17fd22

SHA256
a93d474d3a490341b1c1e4ae0a7ff3a4b343617802cc9ed818dc0f93c20d6e64

SHA512
4193db5987b3a82a951bf2a77ff1993df7de8dc5548cb990683c0790164efae5ad70256e05d281d047b317e7bba8dda377cb504b55fb161cf280a2a7e50f9d8d

Download Submit
memory/2368-341-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2368-340-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2368-338-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2408-30-0x0000000074170000-0x000000007471B000-memory.dmp

Filesize
5.7MB

Download
memory/2408-164-0x0000000074170000-0x000000007471B000-memory.dmp

Filesize
5.7MB

Download
memory/2408-174-0x0000000074170000-0x000000007471B000-memory.dmp

Filesize
5.7MB

Download
memory/2408-0-0x0000000074171000-0x0000000074172000-memory.dmp

Filesize
4KB

Download
memory/2408-22-0x0000000074170000-0x000000007471B000-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