njrat | 18675bf38698c988e1d10313cb7e5e14e70c57ed409774129738ed06f45221d7

Analysis

max time kernel
114s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
17/08/2024, 05:10

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
a3485b702501c9c4d4b9dc1936f804e0N.exe
Size 118KB
Sample240817-ft2rjayema
SHA256 18675bf38698c988e1d10313cb7e5e14e70c57ed409774129738ed06f45221d7
MD5 a3485b702501c9c4d4b9dc1936f804e0
SHA1 9dceabfaaa1f278ceb0628069cfb9adbd57b8c84
SHA512 8719e0a00fc4aef716baab23032dc22359d39fefb3a4805d281c42621388b407e45a3cfaa8982d92053fd2fd9fa121fe03bfb584eb76f9d16ad616aa0d228a92
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLZ/6t:P5eznsjsguGDFqGZ2rDLZ/8
MD5 SHA1 SHA512 SSDEEP

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
2772	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
1988	chargeable.exe
2808	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
1756	a3485b702501c9c4d4b9dc1936f804e0N.exe
1756	a3485b702501c9c4d4b9dc1936f804e0N.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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	a3485b702501c9c4d4b9dc1936f804e0N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a3485b702501c9c4d4b9dc1936f804e0N.exe"	a3485b702501c9c4d4b9dc1936f804e0N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1988 set thread context of 2808	1988	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	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a3485b702501c9c4d4b9dc1936f804e0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	2808	chargeable.exe
Token: 33	2808	chargeable.exe
Token: SeIncBasePriorityPrivilege	2808	chargeable.exe
Token: 33	2808	chargeable.exe
Token: SeIncBasePriorityPrivilege	2808	chargeable.exe
Token: 33	2808	chargeable.exe
Token: SeIncBasePriorityPrivilege	2808	chargeable.exe
Token: 33	2808	chargeable.exe
Token: SeIncBasePriorityPrivilege	2808	chargeable.exe
Token: 33	2808	chargeable.exe
Token: SeIncBasePriorityPrivilege	2808	chargeable.exe
Token: 33	2808	chargeable.exe
Token: SeIncBasePriorityPrivilege	2808	chargeable.exe
Token: 33	2808	chargeable.exe
Token: SeIncBasePriorityPrivilege	2808	chargeable.exe
Token: 33	2808	chargeable.exe
Token: SeIncBasePriorityPrivilege	2808	chargeable.exe
Token: 33	2808	chargeable.exe
Token: SeIncBasePriorityPrivilege	2808	chargeable.exe
Token: 33	2808	chargeable.exe
Token: SeIncBasePriorityPrivilege	2808	chargeable.exe
Token: 33	2808	chargeable.exe
Token: SeIncBasePriorityPrivilege	2808	chargeable.exe
Token: 33	2808	chargeable.exe
Token: SeIncBasePriorityPrivilege	2808	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 1988	1756	a3485b702501c9c4d4b9dc1936f804e0N.exe	29
PID 1756 wrote to memory of 1988	1756	a3485b702501c9c4d4b9dc1936f804e0N.exe	29
PID 1756 wrote to memory of 1988	1756	a3485b702501c9c4d4b9dc1936f804e0N.exe	29
PID 1756 wrote to memory of 1988	1756	a3485b702501c9c4d4b9dc1936f804e0N.exe	29
PID 1988 wrote to memory of 2808	1988	chargeable.exe	30
PID 1988 wrote to memory of 2808	1988	chargeable.exe	30
PID 1988 wrote to memory of 2808	1988	chargeable.exe	30
PID 1988 wrote to memory of 2808	1988	chargeable.exe	30
PID 1988 wrote to memory of 2808	1988	chargeable.exe	30
PID 1988 wrote to memory of 2808	1988	chargeable.exe	30
PID 1988 wrote to memory of 2808	1988	chargeable.exe	30
PID 1988 wrote to memory of 2808	1988	chargeable.exe	30
PID 1988 wrote to memory of 2808	1988	chargeable.exe	30
PID 2808 wrote to memory of 2772	2808	chargeable.exe	31
PID 2808 wrote to memory of 2772	2808	chargeable.exe	31
PID 2808 wrote to memory of 2772	2808	chargeable.exe	31
PID 2808 wrote to memory of 2772	2808	chargeable.exe	31

C:\Users\Admin\AppData\Local\Temp\a3485b702501c9c4d4b9dc1936f804e0N.exe
"C:\Users\Admin\AppData\Local\Temp\a3485b702501c9c4d4b9dc1936f804e0N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1756
- 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:1988
- - 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:2808
  - - 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:2772

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

Loading Replay Monitor...

Downloads

37C951188967C8EB88D99893D9D191FE

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\37C951188967C8EB88D99893D9D191FE
Size 1KB
SHA256 acc9932453f5aa68f4b95986668f5584f99e55bbe02eefc0d0960dab376df81a
MD5 e7122c733f9e37bba0ca4c985ce11d6d
SHA1 d661aa5b31ff7ef2df9bc4095279058c36499af2
SHA512 84cddf68a46f455b4ebbb8c0c70607fe60796cfc5eabdace12d0684a1323af9681700acbdbdc37e63d7806d0220fce9cba5213bb35cee056f9d71646f98711b9
MD5 SHA1 SHA512

Submit Download

37C951188967C8EB88D99893D9D191FE

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\37C951188967C8EB88D99893D9D191FE
Size 264B
SHA256 c6b15f19065b862f55f48b275835f938d96d2dd4c1128deb75a7a042ed136b1c
MD5 f0a5dee6590728aba5edd3762cfffb6c
SHA1 3ceb12ec1ce2e4e5ee0991960abc5934975e8490
SHA512 9cd6e6a4fb40f7680a1255f89d8a16854dfc36cc087a2a024fa30f3d07d7bd20e360e25ebcb7de98622e127872a7d09eedfe4e7ad2aecd3d8b3324ceb418db08
MD5 SHA1 SHA512

Submit Download

94308059B57B3142E455B38A6EB92015

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Size 342B
SHA256 2b593f84eaa331a7b87ab8d6ec83c3c2cd8fcecd131d4f963168ad9eac388da9
MD5 ed20bd7e7f904ede862485f19436211d
SHA1 1a5bc3156e0b6c97636bf0a114dc9c21b0701c28
SHA512 754dc34dd85c0492e1ff3746a546da568d649b19bc1e61957afa1a9f4314777ed02d964c1b8e73c009d81466c4e0ca33463e7bcebd62ce78f19eed9e2880ea36
MD5 SHA1 SHA512

Submit Download

94308059B57B3142E455B38A6EB92015

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Size 342B
SHA256 5136f1f39d53e1d835b696bd14b5259a077cea9727017d8f926d1c76db8d2403
MD5 6b1a96f084ffc74f6761de8c5dba8f83
SHA1 cbcb07bb7e525ddda3bfdf24a412993751c399e5
SHA512 44ff0b3b6df1f1dc1f70233dc0d7ccccc60b7bc2de8457f2c1312733071ecf77e0141935ec9bdda5e12361d3c00a205a9bd2f5af70927535a7c1ac3212482892
MD5 SHA1 SHA512

Submit Download

94308059B57B3142E455B38A6EB92015

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Size 342B
SHA256 d5337c798cd3e22de1a5a09c74ace73408cde480b3fa17c713a1b5f771716a57
MD5 9b716b7895dd13a468e36bb57d6f1be4
SHA1 a6dc24eb388c6f8ffb84951ccfdef9ef41589f99
SHA512 0fed2fe98e74e1c0966ee3b3cd316592d6257e8cfe98941b2bf13839de67da29aa4d733b4b744ae8c362fe4f8ea63577da4cb76cd6dfeccf4ddaf7852c3c00cb
MD5 SHA1 SHA512

Submit Download

Cab42CC.tmp

Path C:\Users\Admin\AppData\Local\Temp\Cab42CC.tmp
Size 70KB
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
SSDEEP 1536:gc257bHnClJ3v5mnAQEBP+bfnW8Ctl8G1G4eu76NWDdB34w18R5cBWcJAm68+Q:gp2ld5jPqW8LgeulxB3fgcEfDQ
MD5 SHA1 SHA512 SSDEEP

Submit Download

Tar42DF.tmp

Path C:\Users\Admin\AppData\Local\Temp\Tar42DF.tmp
Size 181KB
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
SSDEEP 1536:aAZw/J+lCUsTRvsqgCyqWlUDNWdm1wpSru2A0XwjY/z02DTr3rmt6mZ:as2J+qTR0XCy/dmASru2AijbdG
MD5 SHA1 SHA512 SSDEEP

Submit Download

chargeable.exe

Path \Users\Admin\AppData\Roaming\confuse\chargeable.exe
Size 118KB
SHA256 b94bbbfd370c435aa0addb78eeb174a71812ddf481e74076ef2b9aafdf28e5ea
MD5 512af6f6901f1a8f55c86b21f0804e57
SHA1 8be5dc127d10ee2cd1d3728e5854c385428475a2
SHA512 49567bc33637b7de2d59e72d1ee3ce814dd2820555abd8dbdb08adcd5384e1a0131a923d21a09f4d1e6d4eaef0f91ee96cdb5916d10965e308e451b50a196e05
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLZ/64:P5eznsjsguGDFqGZ2rDLZ/V
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1756-183-0x0000000074D00000-0x00000000752AB000-memory.dmp

Download

memory/1756-171-0x0000000074D00000-0x00000000752AB000-memory.dmp

Download

memory/1756-0-0x0000000074D01000-0x0000000074D02000-memory.dmp

Download

memory/1756-2-0x0000000074D00000-0x00000000752AB000-memory.dmp

Download

memory/1756-1-0x0000000074D00000-0x00000000752AB000-memory.dmp

Download

memory/2808-347-0x0000000000400000-0x000000000040C000-memory.dmp

Download

memory/2808-350-0x0000000000400000-0x000000000040C000-memory.dmp

Download

memory/2808-349-0x0000000000400000-0x000000000040C000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads