njrat | e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8

General

Target

e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe
Size

200KB
MD5

d6d213eccc1b10a9b47f8378e73f1da0
SHA1

3bc7b77bbd7a128b3321087b3d4e8e79286fb53a
SHA256

e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8
SHA512

c2322b3fdb496ccbf8d010d83b16116862a9a110f4d39cae0eb736a237de2d805706ea000149db96795048d9ccd8dc7966c0908c752422dfa082d3e1f825c916
SSDEEP

3072:vzNApH86O2S8xwpGuJdi4pPzGhtdbyuo1HHQNOgXD9zY5f2luxvSwSP7JKt6p:vzfGuWJBeuKHwAgXDNgf2luxvS/Dwt6p

Score

10^/10

njrat vítimasdomurkizin discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

VítimasDoMurkizin

C2

qualquernome.no-ip.org:3333

Mutex

a01dc1a702d6056e8de0f390892b3171

Attributes

reg_key
a01dc1a702d6056e8de0f390892b3171
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
2600	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a01dc1a702d6056e8de0f390892b3171.exe	Internet.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a01dc1a702d6056e8de0f390892b3171.exe	Internet.exe

Executes dropped EXE 2 IoCs

pid	Process
2748	Internet.exe
2556	Internet.exe

Loads dropped DLL 2 IoCs

pid	Process
484	e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe
2748	Internet.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\a01dc1a702d6056e8de0f390892b3171 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Internet.exe\" .."	Internet.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\a01dc1a702d6056e8de0f390892b3171 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Internet.exe\" .."	Internet.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2492 set thread context of 484	2492	e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe	31
PID 2748 set thread context of 2556	2748	Internet.exe	33

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 5 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	e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Internet.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Internet.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

description	pid	Process
Token: SeDebugPrivilege	2492	e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe
Token: SeDebugPrivilege	2748	Internet.exe
Token: SeDebugPrivilege	2556	Internet.exe
Token: 33	2556	Internet.exe
Token: SeIncBasePriorityPrivilege	2556	Internet.exe
Token: 33	2556	Internet.exe
Token: SeIncBasePriorityPrivilege	2556	Internet.exe
Token: 33	2556	Internet.exe
Token: SeIncBasePriorityPrivilege	2556	Internet.exe
Token: 33	2556	Internet.exe
Token: SeIncBasePriorityPrivilege	2556	Internet.exe
Token: 33	2556	Internet.exe
Token: SeIncBasePriorityPrivilege	2556	Internet.exe
Token: 33	2556	Internet.exe
Token: SeIncBasePriorityPrivilege	2556	Internet.exe
Token: 33	2556	Internet.exe
Token: SeIncBasePriorityPrivilege	2556	Internet.exe
Token: 33	2556	Internet.exe
Token: SeIncBasePriorityPrivilege	2556	Internet.exe
Token: 33	2556	Internet.exe
Token: SeIncBasePriorityPrivilege	2556	Internet.exe
Token: 33	2556	Internet.exe
Token: SeIncBasePriorityPrivilege	2556	Internet.exe
Token: 33	2556	Internet.exe
Token: SeIncBasePriorityPrivilege	2556	Internet.exe
Token: 33	2556	Internet.exe
Token: SeIncBasePriorityPrivilege	2556	Internet.exe
Token: 33	2556	Internet.exe
Token: SeIncBasePriorityPrivilege	2556	Internet.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 484	2492	e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe	31
PID 2492 wrote to memory of 484	2492	e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe	31
PID 2492 wrote to memory of 484	2492	e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe	31
PID 2492 wrote to memory of 484	2492	e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe	31
PID 2492 wrote to memory of 484	2492	e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe	31
PID 2492 wrote to memory of 484	2492	e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe	31
PID 484 wrote to memory of 2748	484	e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe	32
PID 484 wrote to memory of 2748	484	e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe	32
PID 484 wrote to memory of 2748	484	e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe	32
PID 484 wrote to memory of 2748	484	e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe	32
PID 2748 wrote to memory of 2556	2748	Internet.exe	33
PID 2748 wrote to memory of 2556	2748	Internet.exe	33
PID 2748 wrote to memory of 2556	2748	Internet.exe	33
PID 2748 wrote to memory of 2556	2748	Internet.exe	33
PID 2748 wrote to memory of 2556	2748	Internet.exe	33
PID 2748 wrote to memory of 2556	2748	Internet.exe	33
PID 2556 wrote to memory of 2600	2556	Internet.exe	34
PID 2556 wrote to memory of 2600	2556	Internet.exe	34
PID 2556 wrote to memory of 2600	2556	Internet.exe	34
PID 2556 wrote to memory of 2600	2556	Internet.exe	34

C:\Users\Admin\AppData\Local\Temp\e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe
"C:\Users\Admin\AppData\Local\Temp\e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Users\Admin\AppData\Local\Temp\e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe
  C:\Users\Admin\AppData\Local\Temp\e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8N.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:484
- - C:\Users\Admin\AppData\Local\Temp\Internet.exe
    "C:\Users\Admin\AppData\Local\Temp\Internet.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2748
  - - C:\Users\Admin\AppData\Local\Temp\Internet.exe
      C:\Users\Admin\AppData\Local\Temp\Internet.exe
      4⤵
      Drops startup file
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2556
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Internet.exe" "Internet.exe" ENABLE
        5⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        
        PID:2600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\Internet.exe

Filesize
200KB

MD5
d6d213eccc1b10a9b47f8378e73f1da0

SHA1
3bc7b77bbd7a128b3321087b3d4e8e79286fb53a

SHA256
e898bc3c1f62316698a247b1536912d85ce459adb831664ceecc86bb86e2daf8

SHA512
c2322b3fdb496ccbf8d010d83b16116862a9a110f4d39cae0eb736a237de2d805706ea000149db96795048d9ccd8dc7966c0908c752422dfa082d3e1f825c916

Download Submit
memory/484-19-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/484-34-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/484-24-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/484-16-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/484-21-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2492-3-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2492-4-0x0000000000520000-0x000000000052A000-memory.dmp

Filesize
40KB

Download
memory/2492-23-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2492-22-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2492-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download
memory/2492-2-0x00000000004A0000-0x00000000004B6000-memory.dmp

Filesize
88KB

Download
memory/2492-1-0x00000000000D0000-0x00000000000E4000-memory.dmp

Filesize
80KB

Download
memory/2748-32-0x0000000000B80000-0x0000000000B94000-memory.dmp

Filesize
80KB

Download
memory/2748-33-0x0000000000520000-0x0000000000536000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads