njrat | 20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003

Analysis

max time kernel
120s
max time network
112s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
01-02-2025 12:16

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General

Target

20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe
Size

120KB
MD5

0a9088378993c55e870062e3e24c62d0
SHA1

1c81453c1a0543211f81d10d61a4cb350fb3c7a4
SHA256

20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003
SHA512

60d1ff490f1595c060c936ee5abac3f5f0920726053638abb0b9df272924a859c81cc17729edc59170786978df29773a2d791909649154eba76d09dc05c61840
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVg8:P5eznsjsguGDFqGZ2rDLl

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
2720	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2272	chargeable.exe
2752	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2808	20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe
2808	20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe"	20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2272 set thread context of 2752	2272	chargeable.exe	30

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	20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.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 23 IoCs

description	pid	Process
Token: SeDebugPrivilege	2752	chargeable.exe
Token: 33	2752	chargeable.exe
Token: SeIncBasePriorityPrivilege	2752	chargeable.exe
Token: 33	2752	chargeable.exe
Token: SeIncBasePriorityPrivilege	2752	chargeable.exe
Token: 33	2752	chargeable.exe
Token: SeIncBasePriorityPrivilege	2752	chargeable.exe
Token: 33	2752	chargeable.exe
Token: SeIncBasePriorityPrivilege	2752	chargeable.exe
Token: 33	2752	chargeable.exe
Token: SeIncBasePriorityPrivilege	2752	chargeable.exe
Token: 33	2752	chargeable.exe
Token: SeIncBasePriorityPrivilege	2752	chargeable.exe
Token: 33	2752	chargeable.exe
Token: SeIncBasePriorityPrivilege	2752	chargeable.exe
Token: 33	2752	chargeable.exe
Token: SeIncBasePriorityPrivilege	2752	chargeable.exe
Token: 33	2752	chargeable.exe
Token: SeIncBasePriorityPrivilege	2752	chargeable.exe
Token: 33	2752	chargeable.exe
Token: SeIncBasePriorityPrivilege	2752	chargeable.exe
Token: 33	2752	chargeable.exe
Token: SeIncBasePriorityPrivilege	2752	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2272	2808	20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe	29
PID 2808 wrote to memory of 2272	2808	20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe	29
PID 2808 wrote to memory of 2272	2808	20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe	29
PID 2808 wrote to memory of 2272	2808	20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe	29
PID 2272 wrote to memory of 2752	2272	chargeable.exe	30
PID 2272 wrote to memory of 2752	2272	chargeable.exe	30
PID 2272 wrote to memory of 2752	2272	chargeable.exe	30
PID 2272 wrote to memory of 2752	2272	chargeable.exe	30
PID 2272 wrote to memory of 2752	2272	chargeable.exe	30
PID 2272 wrote to memory of 2752	2272	chargeable.exe	30
PID 2272 wrote to memory of 2752	2272	chargeable.exe	30
PID 2272 wrote to memory of 2752	2272	chargeable.exe	30
PID 2272 wrote to memory of 2752	2272	chargeable.exe	30
PID 2752 wrote to memory of 2720	2752	chargeable.exe	31
PID 2752 wrote to memory of 2720	2752	chargeable.exe	31
PID 2752 wrote to memory of 2720	2752	chargeable.exe	31
PID 2752 wrote to memory of 2720	2752	chargeable.exe	31

C:\Users\Admin\AppData\Local\Temp\20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe
"C:\Users\Admin\AppData\Local\Temp\20b4a034f23c409cefa0929efb3e89dcafe946f8b4f2e79a8990ce1d25203003N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2808
- 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:2272
- - 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:2752
  - - 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:2720

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
1ea27366e034eb9447a33ce639c01489

SHA1
d12ed3e7e60c65ce90f0a58b9b9e47292caed923

SHA256
788d210ef206a4d11b6b506bf52124ee03fca4e8a9389fad43772202a7e29452

SHA512
e06f7443f0f7ca5db4411aa0718102c08068e95ec305b6b53c0b42a941a877de39f95c7e7514e69316b41a7ac19eaa6ccddc581fe475bdb842ec920691726e49

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

Filesize
264B

MD5
a4ba465d81d8c603fc6d6abaecf6320e

SHA1
ef4126e5cd62dfdf9ebc001cf19f7bce8f5da08f

SHA256
527c1d18f056ccfb487ec6d005d1a5d5038068817157f35e5d1bc6914f6a47bf

SHA512
646ddb8fb41db69b1d4be97d53d4c63be34904dfd22127a99579a1a706c9d72b9f556ac67755445098a8618883c3f83c3aef60288efb7240a148c78322450d9c

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

Filesize
342B

MD5
aa64abbcb29ff819edd97f981eb43d43

SHA1
bad6e25b1f42f1a76c9dd8632dd848424d0875ac

SHA256
838310600b2bcb8d52cf1d532921b0da0bda45170b09d356db614db8f51f97f9

SHA512
de381440edecdf833d25c1863dc8a2219c6360b41ff893d3b52c899de4684237daef61a008c27973dea512c08413d5c7d8c23b7daaa3bf3f5765415bcdacdea4

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

Filesize
342B

MD5
df735f112c68c69c2e4cc174826eab3d

SHA1
1daefb3bd3df0c3621b34a476051bcb698536ff5

SHA256
3c9a02801745dc74e63163d59ad34c1a5844324679f0cf0881a28c56faf9ba66

SHA512
41f6ac87e209382ee9ba4775467aaf37731554f33f1c48193c4c8d1e0d9a34c6bd1b20f0d5e1ae2c0058e3859b4fe8b0b2c6ff0a50c2cb02af47ef2e6176add5

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

Filesize
342B

MD5
54bcdf7fb778a43eab4aeae42daf6866

SHA1
f724d08e2e7eb9c2a3348918db9ddde3db304ecc

SHA256
bc0e0da3b05188dbab438aa364e102e3200fd288f030900e4e8b32cb6664fda7

SHA512
0e1ca083947b422ccd73791aeae191feff03bf7b566e06721e95ff73c73e7df00368127aa19043a78f902ab4346382f271cc3a8b34035e2fcbc53cc23d58c919

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

Filesize
252B

MD5
b7c6ac53c4d3d1e4cb86d0d8d801630a

SHA1
48013c3f5fd5e0527189dd4384780aaaf786dd5a

SHA256
17841a4b67239b5a89a6014172ac884fd6f0c0f70e03379882d9a8d7614545ab

SHA512
051f8b8ca89d96dde63675cae4f92fb3e28af47312db5853dd01c7910b0bca1439bea408250623ba149ef3a5e7873011aa324edccc87e62ec3dc5cacefdc9874

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabFE8C.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
120KB

MD5
c896240f3efc94d2abd824a1a536f615

SHA1
8779beab42054ba9788dd31b8ae60db88ea11471

SHA256
82cbd8be3a42765f93bffb5cd6dcd40050d47bc84726acf403ceaef4597982fe

SHA512
a7138e2a04b023f4293c0c5b226c13ae6a68385e9df3d07cf946135351679406f1102d710d56bf4b861a3516f73a01594f9f59d245fe44cc74df0391f5213e69

Download Submit
memory/2752-353-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2752-356-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2752-355-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2808-193-0x0000000074440000-0x00000000749EB000-memory.dmp

Filesize
5.7MB

Download
memory/2808-175-0x0000000074440000-0x00000000749EB000-memory.dmp

Filesize
5.7MB

Download
memory/2808-173-0x0000000074440000-0x00000000749EB000-memory.dmp

Filesize
5.7MB

Download
memory/2808-0-0x0000000074441000-0x0000000074442000-memory.dmp

Filesize
4KB

Download
memory/2808-2-0x0000000074440000-0x00000000749EB000-memory.dmp

Filesize
5.7MB

Download
memory/2808-1-0x0000000074440000-0x00000000749EB000-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