njrat | b6c6fb881fb37b9f3b55a0471cb844ad2001ceb8ddd82aebf24074309ccd795d

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-10-2024 05:26

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General

Target

fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe
Size

20.7MB
MD5

1c26f1a4ee0ee14a776f10eff0a7f652
SHA1

776be5867732f91bdf587420e87ea3ccea075dc5
SHA256

fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516
SHA512

5b9675a48ca762262afe062cd46b3d2e996e8d13bd80bb1107b3a33995a217b87ba3ab3a6e82eae3ac36f745ab5f5b5f56e36c01fdf2fd79c6b6f9c52d0eb5a8
SSDEEP

196608:DgRrd4rYBFH179k3qxnWcdoT+u0XRZTdbQguI8gh833xxaMfYky:0FH1yuW/+tdSI8ge3Ly

Score

10^/10

njrat discovery evasion execution persistence privilege_escalation trojan

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchosts.exe

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3520	powershell.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4984	netsh.exe

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	svchosts.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	WinUpdate.exe

Executes dropped EXE 4 IoCs

pid	Process
1932	WinUpdate.exe
4000	cheats.exe
2708	svchosts.exe
3568	WinUpdate.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\46f87cb2b7a37b42307390e98359779e = "\"C:\\Users\\Admin\\WinUpdate.exe\" .."	WinUpdate.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\46f87cb2b7a37b42307390e98359779e = "\"C:\\Users\\Admin\\WinUpdate.exe\" .."	WinUpdate.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	svchosts.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchosts.exe

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 9 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cheats.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WinUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchosts.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WinUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4012	schtasks.exe

Suspicious behavior: EnumeratesProcesses 47 IoCs

pid	Process
3520	powershell.exe
3520	powershell.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe
3568	WinUpdate.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2708	svchosts.exe
Token: SeDebugPrivilege	3520	powershell.exe
Token: SeDebugPrivilege	3568	WinUpdate.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 3932 wrote to memory of 1932	3932	fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe	87
PID 3932 wrote to memory of 1932	3932	fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe	87
PID 3932 wrote to memory of 1932	3932	fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe	87
PID 3932 wrote to memory of 4000	3932	fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe	88
PID 3932 wrote to memory of 4000	3932	fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe	88
PID 3932 wrote to memory of 4000	3932	fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe	88
PID 3932 wrote to memory of 2708	3932	fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe	90
PID 3932 wrote to memory of 2708	3932	fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe	90
PID 3932 wrote to memory of 2708	3932	fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe	90
PID 1932 wrote to memory of 3568	1932	WinUpdate.exe	91
PID 1932 wrote to memory of 3568	1932	WinUpdate.exe	91
PID 1932 wrote to memory of 3568	1932	WinUpdate.exe	91
PID 3568 wrote to memory of 4984	3568	WinUpdate.exe	92
PID 3568 wrote to memory of 4984	3568	WinUpdate.exe	92
PID 3568 wrote to memory of 4984	3568	WinUpdate.exe	92
PID 2708 wrote to memory of 4796	2708	svchosts.exe	94
PID 2708 wrote to memory of 4796	2708	svchosts.exe	94
PID 2708 wrote to memory of 4796	2708	svchosts.exe	94
PID 2708 wrote to memory of 640	2708	svchosts.exe	96
PID 2708 wrote to memory of 640	2708	svchosts.exe	96
PID 2708 wrote to memory of 640	2708	svchosts.exe	96
PID 4796 wrote to memory of 3520	4796	cmd.exe	98
PID 4796 wrote to memory of 3520	4796	cmd.exe	98
PID 4796 wrote to memory of 3520	4796	cmd.exe	98
PID 640 wrote to memory of 4012	640	cmd.exe	99
PID 640 wrote to memory of 4012	640	cmd.exe	99
PID 640 wrote to memory of 4012	640	cmd.exe	99

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchosts.exe

C:\Users\Admin\AppData\Local\Temp\fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe
"C:\Users\Admin\AppData\Local\Temp\fbef397f7b9e59defe5c9dda20598ea1e61c50b515c067f16fb353765beb8516.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3932
- C:\Users\Admin\AppData\Local\Temp\WinUpdate.exe
  "C:\Users\Admin\AppData\Local\Temp\WinUpdate.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1932
- - C:\Users\Admin\WinUpdate.exe
    "C:\Users\Admin\WinUpdate.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3568
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\WinUpdate.exe" "WinUpdate.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:4984
- C:\Users\Admin\AppData\Local\Temp\cheats.exe
  "C:\Users\Admin\AppData\Local\Temp\cheats.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4000
- C:\Users\Admin\AppData\Local\Temp\svchosts.exe
  "C:\Users\Admin\AppData\Local\Temp\svchosts.exe"
  2⤵
  - UAC bypass
  - Checks computer location settings
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2708
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath C:\,C:\Users\Admin\AppData\Roaming
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4796
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath C:\,C:\Users\Admin\AppData\Roaming
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3520
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C schtasks /create /tn svchosts /tr C:\Users\Admin\AppData\Roaming\svchosts.exe /sc onlogon
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:640
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn svchosts /tr C:\Users\Admin\AppData\Roaming\svchosts.exe /sc onlogon
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:4012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

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

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

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\Local\Temp\WinUpdate.exe

Filesize
29KB

MD5
accc6c2e2e1e5878ecc63f0b09ae9a5b

SHA1
617ad738c22ba7d4fdda56d5eec25bf15d8a1035

SHA256
e67250c52276f7b5c9df01af7fd73ca3fe8ccf74c48c6fdc264071607f289009

SHA512
e2bf7dbad9e394ac891d51f7d355688d61e14a5b343b2796bb0f18027935aa1d2fb46829e10330148f97f626fed3c105471b95c13c1af94ee2fce61e5172fb95

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zksuakbo.3ok.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\cheats.exe

Filesize
8KB

MD5
ce084cc7c8d87ea3533e1ae0323e266b

SHA1
5c2db51a146623f796f6643c4711cb3424ebba1a

SHA256
c26ca77a33824eb2a3ff5fde40f2e2931a5b4eb02ca8fc0cbdca4bc74d65cef5

SHA512
b312e37e65b2c97fa2117e759d6d184bfb139fcb63829fcfdd44e20a42688377ff8a4b4fa0355b5366594220f3874f12922873c7f00ed9a6c1c1a69aaac30d59

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchosts.exe

Filesize
20.6MB

MD5
53eb30021c7269f24a42a7f5502451dc

SHA1
d1fe5103eb56c2f23d0c175249ba413dd8de81fe

SHA256
2f3c009d3aec329dbe8ef333fdd307524b94afc294b23598ba1c57819590d49f

SHA512
407c398c56e20c536570a70a94be385e23d0b8ea9b99f2b8d34dc245ca95af3ef72b363d5e16e5c04615ff01ef23c1a6a8df322ba93088928e5e6b7a96f84d1f

Download Submit
C:\Users\Admin\MicrosoftCompabilityTelemetry.exe

Filesize
256KB

MD5
cda194ea63190e49e5eb5776a722c0fa

SHA1
e610fb61a7c0e804ba4b7938f089c71a280a1e4c

SHA256
6fea0b7f1d5b147d2ebcad8c19283bc341de33252f0761767af05c7294a79e1d

SHA512
eafd85e10ed86e38c44b74920fb3832508cd3865d361a12ce3c94c31e207b247e400f1667674ef7396f690d9c2f42e1c552d8da9bb81c4f109e4ca0b1540952b

Download Submit
memory/1932-29-0x0000000074E82000-0x0000000074E83000-memory.dmp

Filesize
4KB

Download
memory/1932-32-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/1932-30-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/1932-58-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/2708-67-0x00000000098F0000-0x0000000009966000-memory.dmp

Filesize
472KB

Download
memory/2708-69-0x00000000098C0000-0x00000000098DE000-memory.dmp

Filesize
120KB

Download
memory/2708-52-0x0000000000490000-0x000000000192C000-memory.dmp

Filesize
20.6MB

Download
memory/2708-57-0x0000000006790000-0x0000000006D34000-memory.dmp

Filesize
5.6MB

Download
memory/2708-59-0x0000000006280000-0x0000000006312000-memory.dmp

Filesize
584KB

Download
memory/2708-60-0x0000000006200000-0x000000000620A000-memory.dmp

Filesize
40KB

Download
memory/3520-77-0x0000000005BC0000-0x0000000005BE2000-memory.dmp

Filesize
136KB

Download
memory/3520-111-0x00000000078D0000-0x0000000007966000-memory.dmp

Filesize
600KB

Download
memory/3520-116-0x0000000007980000-0x0000000007988000-memory.dmp

Filesize
32KB

Download
memory/3520-70-0x0000000005590000-0x0000000005BB8000-memory.dmp

Filesize
6.2MB

Download
memory/3520-115-0x0000000007990000-0x00000000079AA000-memory.dmp

Filesize
104KB

Download
memory/3520-114-0x00000000078A0000-0x00000000078B4000-memory.dmp

Filesize
80KB

Download
memory/3520-83-0x0000000005C60000-0x0000000005CC6000-memory.dmp

Filesize
408KB

Download
memory/3520-113-0x0000000007890000-0x000000000789E000-memory.dmp

Filesize
56KB

Download
memory/3520-84-0x0000000005CD0000-0x0000000005D36000-memory.dmp

Filesize
408KB

Download
memory/3520-92-0x0000000005E40000-0x0000000006194000-memory.dmp

Filesize
3.3MB

Download
memory/3520-93-0x0000000006330000-0x000000000634E000-memory.dmp

Filesize
120KB

Download
memory/3520-94-0x0000000006380000-0x00000000063CC000-memory.dmp

Filesize
304KB

Download
memory/3520-95-0x0000000007300000-0x0000000007332000-memory.dmp

Filesize
200KB

Download
memory/3520-96-0x000000006E830000-0x000000006E87C000-memory.dmp

Filesize
304KB

Download
memory/3520-106-0x00000000068F0000-0x000000000690E000-memory.dmp

Filesize
120KB

Download
memory/3520-107-0x00000000075D0000-0x0000000007673000-memory.dmp

Filesize
652KB

Download
memory/3520-108-0x0000000007D00000-0x000000000837A000-memory.dmp

Filesize
6.5MB

Download
memory/3520-109-0x00000000073A0000-0x00000000073BA000-memory.dmp

Filesize
104KB

Download
memory/3520-110-0x00000000076E0000-0x00000000076EA000-memory.dmp

Filesize
40KB

Download
memory/3520-68-0x00000000013F0000-0x0000000001426000-memory.dmp

Filesize
216KB

Download
memory/3520-112-0x0000000007860000-0x0000000007871000-memory.dmp

Filesize
68KB

Download
memory/3932-1-0x0000000000AD0000-0x0000000001F88000-memory.dmp

Filesize
20.7MB

Download
memory/3932-0-0x00007FFF65FE3000-0x00007FFF65FE5000-memory.dmp

Filesize
8KB

Download
memory/4000-31-0x0000000000190000-0x0000000000198000-memory.dmp

Filesize
32KB

Download
memory/4000-33-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download