njrat | 8eb73615f94599f30d8978dee514e1a622ad20dc8230eb2e9c89c9f9dc736d89

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-12-2024 11:08

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General

Target

d9508a6739d129c598756d3cc13911fe_JaffaCakes118.exe
Size

455KB
MD5

d9508a6739d129c598756d3cc13911fe
SHA1

ece3eae0e5c29c42b25aa765b71f087aee24f8bd
SHA256

8eb73615f94599f30d8978dee514e1a622ad20dc8230eb2e9c89c9f9dc736d89
SHA512

d4ef69fa7b79413ad4d4413247291d50e6d8452622370709810806e7b4288a69e92b31525592169cb1fb71435f5493e00db677cf2e92544e2f10c3079d9216f4
SSDEEP

6144:qjbeiIng03OLVp2KAS0aEyBB+CMwQ8XCM66iO/PCWpBEaOltxH1cWRSfzbrwL/:qudgWS5AsEVC6qEJO/PdB2i4azbrwz

Score

10^/10

njrat 1bld discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

1bld

moneyplayboy88.ddns.net:1604

Mutex

5cba3755d9669704d2e4b04d63e79642

Attributes

reg_key
5cba3755d9669704d2e4b04d63e79642
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
2420	netsh.exe

Executes dropped EXE 4 IoCs

pid	Process
2136	M.exe
2440	M.exe
2628	server.exe
2528	server.exe

Loads dropped DLL 10 IoCs

pid	Process
1840	d9508a6739d129c598756d3cc13911fe_JaffaCakes118.exe
1840	d9508a6739d129c598756d3cc13911fe_JaffaCakes118.exe
2136	M.exe
2136	M.exe
2440	M.exe
2440	M.exe
2440	M.exe
2628	server.exe
2628	server.exe
2528	server.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5cba3755d9669704d2e4b04d63e79642 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	d9508a6739d129c598756d3cc13911fe_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\5cba3755d9669704d2e4b04d63e79642 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2136 set thread context of 2440	2136	M.exe	31
PID 2628 set thread context of 2528	2628	server.exe	34

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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	d9508a6739d129c598756d3cc13911fe_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	M.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	M.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2136	M.exe
2628	server.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe
Token: 33	2528	server.exe
Token: SeIncBasePriorityPrivilege	2528	server.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2136	M.exe
2628	server.exe

Suspicious use of WriteProcessMemory 53 IoCs

description	pid	Process	procid_target
PID 1840 wrote to memory of 2136	1840	d9508a6739d129c598756d3cc13911fe_JaffaCakes118.exe	30
PID 1840 wrote to memory of 2136	1840	d9508a6739d129c598756d3cc13911fe_JaffaCakes118.exe	30
PID 1840 wrote to memory of 2136	1840	d9508a6739d129c598756d3cc13911fe_JaffaCakes118.exe	30
PID 1840 wrote to memory of 2136	1840	d9508a6739d129c598756d3cc13911fe_JaffaCakes118.exe	30
PID 1840 wrote to memory of 2136	1840	d9508a6739d129c598756d3cc13911fe_JaffaCakes118.exe	30
PID 1840 wrote to memory of 2136	1840	d9508a6739d129c598756d3cc13911fe_JaffaCakes118.exe	30
PID 1840 wrote to memory of 2136	1840	d9508a6739d129c598756d3cc13911fe_JaffaCakes118.exe	30
PID 2136 wrote to memory of 2440	2136	M.exe	31
PID 2136 wrote to memory of 2440	2136	M.exe	31
PID 2136 wrote to memory of 2440	2136	M.exe	31
PID 2136 wrote to memory of 2440	2136	M.exe	31
PID 2136 wrote to memory of 2440	2136	M.exe	31
PID 2136 wrote to memory of 2440	2136	M.exe	31
PID 2136 wrote to memory of 2440	2136	M.exe	31
PID 2136 wrote to memory of 2440	2136	M.exe	31
PID 2136 wrote to memory of 2440	2136	M.exe	31
PID 2136 wrote to memory of 2440	2136	M.exe	31
PID 2136 wrote to memory of 2440	2136	M.exe	31
PID 2136 wrote to memory of 2440	2136	M.exe	31
PID 2136 wrote to memory of 2440	2136	M.exe	31
PID 2136 wrote to memory of 2440	2136	M.exe	31
PID 2136 wrote to memory of 2440	2136	M.exe	31
PID 2136 wrote to memory of 2440	2136	M.exe	31
PID 2440 wrote to memory of 2628	2440	M.exe	33
PID 2440 wrote to memory of 2628	2440	M.exe	33
PID 2440 wrote to memory of 2628	2440	M.exe	33
PID 2440 wrote to memory of 2628	2440	M.exe	33
PID 2440 wrote to memory of 2628	2440	M.exe	33
PID 2440 wrote to memory of 2628	2440	M.exe	33
PID 2440 wrote to memory of 2628	2440	M.exe	33
PID 2628 wrote to memory of 2528	2628	server.exe	34
PID 2628 wrote to memory of 2528	2628	server.exe	34
PID 2628 wrote to memory of 2528	2628	server.exe	34
PID 2628 wrote to memory of 2528	2628	server.exe	34
PID 2628 wrote to memory of 2528	2628	server.exe	34
PID 2628 wrote to memory of 2528	2628	server.exe	34
PID 2628 wrote to memory of 2528	2628	server.exe	34
PID 2628 wrote to memory of 2528	2628	server.exe	34
PID 2628 wrote to memory of 2528	2628	server.exe	34
PID 2628 wrote to memory of 2528	2628	server.exe	34
PID 2628 wrote to memory of 2528	2628	server.exe	34
PID 2628 wrote to memory of 2528	2628	server.exe	34
PID 2628 wrote to memory of 2528	2628	server.exe	34
PID 2628 wrote to memory of 2528	2628	server.exe	34
PID 2628 wrote to memory of 2528	2628	server.exe	34
PID 2628 wrote to memory of 2528	2628	server.exe	34
PID 2528 wrote to memory of 2420	2528	server.exe	35
PID 2528 wrote to memory of 2420	2528	server.exe	35
PID 2528 wrote to memory of 2420	2528	server.exe	35
PID 2528 wrote to memory of 2420	2528	server.exe	35
PID 2528 wrote to memory of 2420	2528	server.exe	35
PID 2528 wrote to memory of 2420	2528	server.exe	35
PID 2528 wrote to memory of 2420	2528	server.exe	35

C:\Users\Admin\AppData\Local\Temp\d9508a6739d129c598756d3cc13911fe_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d9508a6739d129c598756d3cc13911fe_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1840
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2136
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2440
  - - C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2628
    - - C:\Users\Admin\AppData\Local\Temp\server.exe
        
        C:\Users\Admin\AppData\Local\Temp\server.exe
        5⤵
        Executes dropped EXE
        Loads dropped DLL
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2528
      - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        6⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        
        PID:2420

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.ex_

Filesize
67KB

MD5
52880f905bf4e9f4aa087b0dddef784e

SHA1
8175de910e86b1deac811a9caae6afd04af70b64

SHA256
6397c538d02b102c45c15ee3816236204f1f536929ab6b39a6a805351f8fd4b9

SHA512
fd3102eb28ed2211011cd36635ccdc83f6eeba7fc54ca58f059070a04a8a31eb133f546c32a5795db4a5952bbcc4ca39e8619a88ba2b9c3fe1e054eb2f9f0efc

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startupx\system.pif

Filesize
716KB

MD5
3c8c54bb2aeecdf730e1b692cc82fb35

SHA1
e0c15992590015a1e319876a5bc8168706a4c333

SHA256
b0f16a490fa0980c87befd9341a4dbfc1195cac4b04d368d8c3a4ecb68e7abd5

SHA512
266c7487a5a3c4e0ac6677c7071e8a0d1207af5e1b930e3ab6db648b6cdeefc82c16dd6f9e9d370ac69f0fcf67cff8b8a764eff4540df44673ad023cca4b15b4

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe

Filesize
104KB

MD5
42ccd69a3be9618d329de0ea0fde3a81

SHA1
47e9897f303496eb9cd5883f9cdb283b6eee65d3

SHA256
14137fcc8697e967b251fd0fafbdf79af8db4c1a67f2eafe53756e3ad80a9bef

SHA512
33d95b20ce606441c89dbc575c8e884196a19db056ffd9d54a5e0c57f3928b0d064b6270e4abf033046606e0456156faba3f3a8e6a353e924a7461e61e46bfae

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe

Filesize
716KB

MD5
cd658c18f16aa91907a41bb791070458

SHA1
e3fffb5454624ff915e9a91bd41195e939eea933

SHA256
b7272f3176b6f08f01ce78fc7e7bcd674393784b4b79a59958f022ad1c22c671

SHA512
34a8b0a6d596263461f736a5db9de3ae5eefb1a1270247793514f038df91ed591e411e772efb574122a6a4fba2b9dea530a70782d7daea36b12b90a8a02ea972

Download Submit
memory/2136-19-0x0000000000290000-0x0000000000295000-memory.dmp

Filesize
20KB

Download
memory/2440-44-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download
memory/2440-32-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download
memory/2440-24-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download
memory/2440-38-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2440-43-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download
memory/2440-36-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download
memory/2440-35-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download
memory/2440-46-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download
memory/2440-30-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download
memory/2440-28-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download
memory/2440-27-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download
memory/2440-23-0x0000000000300000-0x0000000000400000-memory.dmp

Filesize
1024KB

Download
memory/2528-90-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download
memory/2528-91-0x0000000000400000-0x00000000008B0000-memory.dmp

Filesize
4.7MB

Download