njrat | 041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac

Analysis

max time kernel
145s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-09-2024 18:15

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General

Target

041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac.exe
Size

115KB
MD5

ef892e1ed309cf1267656304660c88b3
SHA1

d4801ba193d984e6d30e4304bff6cd1a556a6477
SHA256

041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac
SHA512

bc42ea4984291c7ad2fca01555760489d04a39882370aae020209c0f00a153d6a66d35f0cc806cee882afac13ef6f6a008b459f25008f2e3660f210949e03e21
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMdeQv:P5eznsjsguGDFqGZ2rB

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/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
2264	netsh.exe

Executes dropped EXE 5 IoCs

pid	Process
1924	chargeable.exe
3024	chargeable.exe
688	chargeable.exe
2240	chargeable.exe
2156	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2384	041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac.exe
2384	041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac.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"	041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac.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\\041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac.exe"	041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1924 set thread context of 3024	1924	chargeable.exe	35
PID 1924 set thread context of 2240	1924	chargeable.exe	34
PID 1924 set thread context of 688	1924	chargeable.exe	33
PID 1924 set thread context of 2156	1924	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	041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac.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 31 IoCs

description	pid	Process
Token: SeDebugPrivilege	3024	chargeable.exe
Token: 33	3024	chargeable.exe
Token: SeIncBasePriorityPrivilege	3024	chargeable.exe
Token: 33	3024	chargeable.exe
Token: SeIncBasePriorityPrivilege	3024	chargeable.exe
Token: 33	3024	chargeable.exe
Token: SeIncBasePriorityPrivilege	3024	chargeable.exe
Token: 33	3024	chargeable.exe
Token: SeIncBasePriorityPrivilege	3024	chargeable.exe
Token: 33	3024	chargeable.exe
Token: SeIncBasePriorityPrivilege	3024	chargeable.exe
Token: 33	3024	chargeable.exe
Token: SeIncBasePriorityPrivilege	3024	chargeable.exe
Token: 33	3024	chargeable.exe
Token: SeIncBasePriorityPrivilege	3024	chargeable.exe
Token: 33	3024	chargeable.exe
Token: SeIncBasePriorityPrivilege	3024	chargeable.exe
Token: 33	3024	chargeable.exe
Token: SeIncBasePriorityPrivilege	3024	chargeable.exe
Token: 33	3024	chargeable.exe
Token: SeIncBasePriorityPrivilege	3024	chargeable.exe
Token: 33	3024	chargeable.exe
Token: SeIncBasePriorityPrivilege	3024	chargeable.exe
Token: 33	3024	chargeable.exe
Token: SeIncBasePriorityPrivilege	3024	chargeable.exe
Token: 33	3024	chargeable.exe
Token: SeIncBasePriorityPrivilege	3024	chargeable.exe
Token: 33	3024	chargeable.exe
Token: SeIncBasePriorityPrivilege	3024	chargeable.exe
Token: 33	3024	chargeable.exe
Token: SeIncBasePriorityPrivilege	3024	chargeable.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 1924	2384	041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac.exe	31
PID 2384 wrote to memory of 1924	2384	041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac.exe	31
PID 2384 wrote to memory of 1924	2384	041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac.exe	31
PID 2384 wrote to memory of 1924	2384	041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac.exe	31
PID 1924 wrote to memory of 2156	1924	chargeable.exe	32
PID 1924 wrote to memory of 2156	1924	chargeable.exe	32
PID 1924 wrote to memory of 2156	1924	chargeable.exe	32
PID 1924 wrote to memory of 2156	1924	chargeable.exe	32
PID 1924 wrote to memory of 688	1924	chargeable.exe	33
PID 1924 wrote to memory of 688	1924	chargeable.exe	33
PID 1924 wrote to memory of 688	1924	chargeable.exe	33
PID 1924 wrote to memory of 688	1924	chargeable.exe	33
PID 1924 wrote to memory of 2240	1924	chargeable.exe	34
PID 1924 wrote to memory of 2240	1924	chargeable.exe	34
PID 1924 wrote to memory of 2240	1924	chargeable.exe	34
PID 1924 wrote to memory of 2240	1924	chargeable.exe	34
PID 1924 wrote to memory of 3024	1924	chargeable.exe	35
PID 1924 wrote to memory of 3024	1924	chargeable.exe	35
PID 1924 wrote to memory of 3024	1924	chargeable.exe	35
PID 1924 wrote to memory of 3024	1924	chargeable.exe	35
PID 1924 wrote to memory of 3024	1924	chargeable.exe	35
PID 1924 wrote to memory of 3024	1924	chargeable.exe	35
PID 1924 wrote to memory of 3024	1924	chargeable.exe	35
PID 1924 wrote to memory of 3024	1924	chargeable.exe	35
PID 1924 wrote to memory of 3024	1924	chargeable.exe	35
PID 1924 wrote to memory of 2240	1924	chargeable.exe	34
PID 1924 wrote to memory of 2240	1924	chargeable.exe	34
PID 1924 wrote to memory of 2240	1924	chargeable.exe	34
PID 1924 wrote to memory of 2240	1924	chargeable.exe	34
PID 1924 wrote to memory of 2240	1924	chargeable.exe	34
PID 1924 wrote to memory of 688	1924	chargeable.exe	33
PID 1924 wrote to memory of 688	1924	chargeable.exe	33
PID 1924 wrote to memory of 688	1924	chargeable.exe	33
PID 1924 wrote to memory of 688	1924	chargeable.exe	33
PID 1924 wrote to memory of 688	1924	chargeable.exe	33
PID 1924 wrote to memory of 2156	1924	chargeable.exe	32
PID 1924 wrote to memory of 2156	1924	chargeable.exe	32
PID 1924 wrote to memory of 2156	1924	chargeable.exe	32
PID 1924 wrote to memory of 2156	1924	chargeable.exe	32
PID 1924 wrote to memory of 2156	1924	chargeable.exe	32
PID 3024 wrote to memory of 2264	3024	chargeable.exe	36
PID 3024 wrote to memory of 2264	3024	chargeable.exe	36
PID 3024 wrote to memory of 2264	3024	chargeable.exe	36
PID 3024 wrote to memory of 2264	3024	chargeable.exe	36

C:\Users\Admin\AppData\Local\Temp\041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac.exe
"C:\Users\Admin\AppData\Local\Temp\041c3dc0faa138becb2167fbb5b9858635c680135e9024ed1cb6eacb6aaea4ac.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- 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:1924
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:2156
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:688
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:2240
- - 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:3024
  - - 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:2264

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\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
84b5df94c0163f1a8ef1160129f0967b

SHA1
45cfc5200e52ad27d210b2a631a592ad702b9ba9

SHA256
96dbbad4834b52b14ea257915eff62cb2bec24428119d021219dac45192da987

SHA512
2cbbb7fe58fa512ae4aeae84747d131144fb361f0513ac0ddc70ea1471ad00e17ecc2ec8b0238eea206630f0aaf5437a25bae8ea0f3eab66f6164cdd5e5396ad

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

Filesize
342B

MD5
89d50c9df303d2434cd89af3010fce72

SHA1
b27b6597c20f1542be67d24295c3468ee53871a2

SHA256
b60f042361277557d95490aef501c395e7343b37bb58c46c9610db12cc83b6af

SHA512
57034eb051ee02cf6bdf7d2436390fc1cead2d23fe8e86a559c39e4b9da4751c05ba485a334ea94a188872caa2c5cc2b978377df92d1329558b49521b645b125

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

Filesize
342B

MD5
b27b28cdb52ff1c1a3bb0a1b49748c39

SHA1
1b34dbcac1817ec80c86aa6c7402049f645e0aae

SHA256
87718ba0ee9ee6eca416cc34c4d7a52997ed9a1655223ec4bbadba09cb0ae9b7

SHA512
acbe9b514b2e706ca014f1b57aec993fc97b86e05c03c1baffdbee134be595de03579b008a6c0c09a6fd342f094fd869e3e966b948166af314f60bfa7056b5c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabAF16.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarAF48.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
116KB

MD5
9d71ccd716832647fe976066ed79a9e4

SHA1
d4a5c4a315a47e66c92f0ad00856cb16b90a8dca

SHA256
e8f252e48e8f900c977dfd3962bdf9ba170c4510120f02410e43988c10994c9b

SHA512
05264e7dbd3c163db87b83deac891ca8bb05b0d86f08ffb0bbc46dd531740462b736364149642a57368282e602e350f88341ea5df493d7f56e103f994dc938c4

Download Submit
memory/2384-161-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download
memory/2384-173-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download
memory/2384-0-0x0000000074501000-0x0000000074502000-memory.dmp

Filesize
4KB

Download
memory/2384-2-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download
memory/3024-340-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3024-339-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3024-337-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads