njrat | 83b491f66cbcc39a71daff3cb9f2e6228a77959aebdf6a87b4c95f884de588a4

Analysis

max time kernel
381s
max time network
381s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
07/07/2024, 13:14

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Reason

Machine shutdown

Report Analysis Logs

General

Target

Sound Blaster creative set-up.fix.exe
Size

202KB
MD5

69e54877c8aee907efaad8e96ffa8bad
SHA1

fa005fa2f233fb07c0a58b06b0c88610164097a8
SHA256

83b491f66cbcc39a71daff3cb9f2e6228a77959aebdf6a87b4c95f884de588a4
SHA512

db4d864dd8ae525b48941491ff257e8eee64ba93cdf1e9fd96a21d124bc01dfe660fe9451a87cb306964c2966854a0626d5f777bb35aec47c83c5956f2f4b917
SSDEEP

3072:9nx83hRxFJiN09QcRD21e+/2EIjcvlCHQnDPvrcUPn6+byteiYD8+YdzNrj:FCxiN0f1fcvlCwnDbvytDYo7

Score

10^/10

njrat evasion execution persistence trojan

Malware Config

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Executes dropped EXE 3 IoCs

pid	Process
3000	dllhost.exe
2164	4f6d82eb10a040658aa7ca149b72ce8f.exe
1584	0435cf9f226d4ab7a1eacdfc7f64050a.exe

Loads dropped DLL 3 IoCs

pid	Process
2232	Sound Blaster creative set-up.fix.exe
3000	dllhost.exe
3000	dllhost.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-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\8b01369728c0c734139e93e5df923b49 = "\"C:\\ProgramData\\dllhost.exe\" .."	dllhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\8b01369728c0c734139e93e5df923b49 = "\"C:\\ProgramData\\dllhost.exe\" .."	dllhost.exe

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2604	sc.exe
1724	sc.exe
2304	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
332	taskkill.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2612	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2612	powershell.exe
Token: SeDebugPrivilege	332	taskkill.exe
Token: SeDebugPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe
Token: SeIncBasePriorityPrivilege	3000	dllhost.exe
Token: 33	3000	dllhost.exe

Suspicious use of WriteProcessMemory 52 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 3000	2232	Sound Blaster creative set-up.fix.exe	30
PID 2232 wrote to memory of 3000	2232	Sound Blaster creative set-up.fix.exe	30
PID 2232 wrote to memory of 3000	2232	Sound Blaster creative set-up.fix.exe	30
PID 2232 wrote to memory of 3000	2232	Sound Blaster creative set-up.fix.exe	30
PID 3000 wrote to memory of 2808	3000	dllhost.exe	31
PID 3000 wrote to memory of 2808	3000	dllhost.exe	31
PID 3000 wrote to memory of 2808	3000	dllhost.exe	31
PID 3000 wrote to memory of 2808	3000	dllhost.exe	31
PID 2808 wrote to memory of 2612	2808	cmd.exe	33
PID 2808 wrote to memory of 2612	2808	cmd.exe	33
PID 2808 wrote to memory of 2612	2808	cmd.exe	33
PID 2808 wrote to memory of 2612	2808	cmd.exe	33
PID 3000 wrote to memory of 1376	3000	dllhost.exe	34
PID 3000 wrote to memory of 1376	3000	dllhost.exe	34
PID 3000 wrote to memory of 1376	3000	dllhost.exe	34
PID 3000 wrote to memory of 1376	3000	dllhost.exe	34
PID 1376 wrote to memory of 2604	1376	cmd.exe	36
PID 1376 wrote to memory of 2604	1376	cmd.exe	36
PID 1376 wrote to memory of 2604	1376	cmd.exe	36
PID 1376 wrote to memory of 2604	1376	cmd.exe	36
PID 3000 wrote to memory of 2636	3000	dllhost.exe	37
PID 3000 wrote to memory of 2636	3000	dllhost.exe	37
PID 3000 wrote to memory of 2636	3000	dllhost.exe	37
PID 3000 wrote to memory of 2636	3000	dllhost.exe	37
PID 2636 wrote to memory of 1724	2636	cmd.exe	39
PID 2636 wrote to memory of 1724	2636	cmd.exe	39
PID 2636 wrote to memory of 1724	2636	cmd.exe	39
PID 2636 wrote to memory of 1724	2636	cmd.exe	39
PID 3000 wrote to memory of 2156	3000	dllhost.exe	40
PID 3000 wrote to memory of 2156	3000	dllhost.exe	40
PID 3000 wrote to memory of 2156	3000	dllhost.exe	40
PID 3000 wrote to memory of 2156	3000	dllhost.exe	40
PID 2156 wrote to memory of 2304	2156	cmd.exe	42
PID 2156 wrote to memory of 2304	2156	cmd.exe	42
PID 2156 wrote to memory of 2304	2156	cmd.exe	42
PID 2156 wrote to memory of 2304	2156	cmd.exe	42
PID 3000 wrote to memory of 2144	3000	dllhost.exe	43
PID 3000 wrote to memory of 2144	3000	dllhost.exe	43
PID 3000 wrote to memory of 2144	3000	dllhost.exe	43
PID 3000 wrote to memory of 2144	3000	dllhost.exe	43
PID 2144 wrote to memory of 332	2144	cmd.exe	45
PID 2144 wrote to memory of 332	2144	cmd.exe	45
PID 2144 wrote to memory of 332	2144	cmd.exe	45
PID 2144 wrote to memory of 332	2144	cmd.exe	45
PID 3000 wrote to memory of 2164	3000	dllhost.exe	57
PID 3000 wrote to memory of 2164	3000	dllhost.exe	57
PID 3000 wrote to memory of 2164	3000	dllhost.exe	57
PID 3000 wrote to memory of 2164	3000	dllhost.exe	57
PID 3000 wrote to memory of 1584	3000	dllhost.exe	58
PID 3000 wrote to memory of 1584	3000	dllhost.exe	58
PID 3000 wrote to memory of 1584	3000	dllhost.exe	58
PID 3000 wrote to memory of 1584	3000	dllhost.exe	58

C:\Users\Admin\AppData\Local\Temp\Sound Blaster creative set-up.fix.exe
"C:\Users\Admin\AppData\Local\Temp\Sound Blaster creative set-up.fix.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2232
- C:\ProgramData\dllhost.exe
  "C:\ProgramData\dllhost.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3000
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2808
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell Set-MpPreference -DisableRealtimeMonitoring $true
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2612
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c sc query windefend
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1376
  - - C:\Windows\SysWOW64\sc.exe
      sc query windefend
      4⤵
      Launches sc.exe
      PID:2604
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c sc stop windefend
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2636
  - - C:\Windows\SysWOW64\sc.exe
      sc stop windefend
      4⤵
      Launches sc.exe
      PID:1724
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c sc delete windefend
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2156
  - - C:\Windows\SysWOW64\sc.exe
      sc delete windefend
      4⤵
      Launches sc.exe
      PID:2304
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c taskkill /f /im svchost.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2144
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im svchost.exe
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:332
- - C:\Users\Admin\AppData\Local\Temp\4f6d82eb10a040658aa7ca149b72ce8f.exe
    "C:\Users\Admin\AppData\Local\Temp\4f6d82eb10a040658aa7ca149b72ce8f.exe"
    3⤵
    - Executes dropped EXE
    PID:2164
- - C:\Users\Admin\AppData\Local\Temp\0435cf9f226d4ab7a1eacdfc7f64050a.exe
    "C:\Users\Admin\AppData\Local\Temp\0435cf9f226d4ab7a1eacdfc7f64050a.exe"
    3⤵
    - Executes dropped EXE
    PID:1584

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs
1⤵
PID:1952

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs
1⤵
PID:2512

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs
1⤵
PID:1068

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted
1⤵
PID:1048

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs
1⤵
PID:2484

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs
1⤵
PID:2256

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:908

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

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

Defense Evasion

Impair Defenses

T1562

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

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Downloads

C:\ProgramData\dllhost.exe

Filesize
202KB

MD5
69e54877c8aee907efaad8e96ffa8bad

SHA1
fa005fa2f233fb07c0a58b06b0c88610164097a8

SHA256
83b491f66cbcc39a71daff3cb9f2e6228a77959aebdf6a87b4c95f884de588a4

SHA512
db4d864dd8ae525b48941491ff257e8eee64ba93cdf1e9fd96a21d124bc01dfe660fe9451a87cb306964c2966854a0626d5f777bb35aec47c83c5956f2f4b917

Download Submit
\Users\Admin\AppData\Local\Temp\0435cf9f226d4ab7a1eacdfc7f64050a.exe

Filesize
997KB

MD5
28aaac578be4ce06cb695e4f927b4302

SHA1
880ab0560b81e05e920f9ec1d6c0ecf5e04eaa7e

SHA256
8929d3b749ff91527b8e407eff6bde4bb0bb27739313b5c0db0434cbf700dbfc

SHA512
068698bda0543c773b36830f6760456e40e9046d9d20089ad88cb646ef5c7bd6c6716c6d59cfc7abd5bffb9129f5a7076e2f9c9b321795f224923f00b7b91374

Download Submit
\Users\Admin\AppData\Local\Temp\4f6d82eb10a040658aa7ca149b72ce8f.exe

Filesize
961KB

MD5
4723c3c04794c09bbcb6e03f48440f15

SHA1
a5ef69c9dc9eacc2099d9c239146a0e360f1837f

SHA256
0d635f035cdb2fd3afda768cd631481ff980957b614a3cf3fca6c592c6c06470

SHA512
5b68e1cd3d6bb85b5f449014cc288423faea76ff0ecf8834047dac1ed6e84c4d858a7ed23abe3625d781391f636893736bf5c00474ad0995e75611c1557c5c4a

Download Submit
memory/2232-0-0x0000000074E91000-0x0000000074E92000-memory.dmp

Filesize
4KB

Download
memory/2232-1-0x0000000074E90000-0x000000007543B000-memory.dmp

Filesize
5.7MB

Download
memory/2232-2-0x0000000074E90000-0x000000007543B000-memory.dmp

Filesize
5.7MB

Download
memory/2232-10-0x0000000074E90000-0x000000007543B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads