njrat | 5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643

General

Target

5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe
Size

238KB
MD5

88e26964c9367eb3b37131f5e7398db6
SHA1

74ff0f10f152d9d08a1b10e435bfbb158fa78efa
SHA256

5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643
SHA512

bf24ab078da2ab741bbf3c4e0115881f1cd8da506c96bbbf7efa571b9c884d677c7d91f7bea2532f8db815c970e174c56aa96ff99d275243f94966cba4d325ed
SSDEEP

6144:otRRBVuQ8hMNYl2tgtCASsZhYUIKtAzM1+Ua:ot3BVt8hBl2tgtCLsZhYFy+M1G

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

najrat13.no-ip.info:1177

Mutex

fe846520f3eb4e72966214ff26ac3a9d

Attributes

reg_key
fe846520f3eb4e72966214ff26ac3a9d
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
3532	netsh.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe

Executes dropped EXE 2 IoCs

pid	Process
380	server.exe
5092	server.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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fe846520f3eb4e72966214ff26ac3a9d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\fe846520f3eb4e72966214ff26ac3a9d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2040 set thread context of 3108	2040	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe	83
PID 380 set thread context of 5092	380	server.exe	86

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	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2040	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe
2040	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe
2040	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe
380	server.exe
380	server.exe
380	server.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

description	pid	Process
Token: SeDebugPrivilege	2040	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe
Token: SeDebugPrivilege	380	server.exe
Token: SeDebugPrivilege	5092	server.exe
Token: 33	5092	server.exe
Token: SeIncBasePriorityPrivilege	5092	server.exe
Token: 33	5092	server.exe
Token: SeIncBasePriorityPrivilege	5092	server.exe
Token: 33	5092	server.exe
Token: SeIncBasePriorityPrivilege	5092	server.exe
Token: 33	5092	server.exe
Token: SeIncBasePriorityPrivilege	5092	server.exe
Token: 33	5092	server.exe
Token: SeIncBasePriorityPrivilege	5092	server.exe
Token: 33	5092	server.exe
Token: SeIncBasePriorityPrivilege	5092	server.exe
Token: 33	5092	server.exe
Token: SeIncBasePriorityPrivilege	5092	server.exe
Token: 33	5092	server.exe
Token: SeIncBasePriorityPrivilege	5092	server.exe
Token: 33	5092	server.exe
Token: SeIncBasePriorityPrivilege	5092	server.exe
Token: 33	5092	server.exe
Token: SeIncBasePriorityPrivilege	5092	server.exe
Token: 33	5092	server.exe
Token: SeIncBasePriorityPrivilege	5092	server.exe
Token: 33	5092	server.exe
Token: SeIncBasePriorityPrivilege	5092	server.exe
Token: 33	5092	server.exe
Token: SeIncBasePriorityPrivilege	5092	server.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 3108	2040	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe	83
PID 2040 wrote to memory of 3108	2040	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe	83
PID 2040 wrote to memory of 3108	2040	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe	83
PID 2040 wrote to memory of 3108	2040	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe	83
PID 2040 wrote to memory of 3108	2040	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe	83
PID 3108 wrote to memory of 380	3108	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe	85
PID 3108 wrote to memory of 380	3108	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe	85
PID 3108 wrote to memory of 380	3108	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe	85
PID 380 wrote to memory of 5092	380	server.exe	86
PID 380 wrote to memory of 5092	380	server.exe	86
PID 380 wrote to memory of 5092	380	server.exe	86
PID 380 wrote to memory of 5092	380	server.exe	86
PID 380 wrote to memory of 5092	380	server.exe	86
PID 5092 wrote to memory of 3532	5092	server.exe	95
PID 5092 wrote to memory of 3532	5092	server.exe	95
PID 5092 wrote to memory of 3532	5092	server.exe	95

C:\Users\Admin\AppData\Local\Temp\5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe
"C:\Users\Admin\AppData\Local\Temp\5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Users\Admin\AppData\Local\Temp\5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe
  C:\Users\Admin\AppData\Local\Temp\5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3108
- - C:\Users\Admin\AppData\Local\Temp\server.exe
    "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:380
  - - C:\Users\Admin\AppData\Local\Temp\server.exe
      C:\Users\Admin\AppData\Local\Temp\server.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:5092
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        5⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        
        PID:3532

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

Query Registry

1

T1012

System Information Discovery

2

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe.log

Filesize
1KB

MD5
3e4397aeafdc36308cf2e69b1a95af46

SHA1
89edb089c6d0f6ff6b3cf7d9b66e24ee6a4cc8dc

SHA256
314c58a3a7be41f6ce4662c67b7adc823cc37923125e61f91f5ec4c6a6760131

SHA512
46251e8d4c02478ddaa42c96be2b7909d215c8608b40b6daef7cd34756709fa95b1a95f02d0c04aa914130ed715a7bd1a1ac43fbfa22477c73639ec57a29898f

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

Filesize
238KB

MD5
88e26964c9367eb3b37131f5e7398db6

SHA1
74ff0f10f152d9d08a1b10e435bfbb158fa78efa

SHA256
5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643

SHA512
bf24ab078da2ab741bbf3c4e0115881f1cd8da506c96bbbf7efa571b9c884d677c7d91f7bea2532f8db815c970e174c56aa96ff99d275243f94966cba4d325ed

Download Submit
memory/380-68-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/380-52-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/380-50-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2040-26-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2040-30-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2040-7-0x0000000005180000-0x000000000518A000-memory.dmp

Filesize
40KB

Download
memory/2040-8-0x00000000063B0000-0x000000000644C000-memory.dmp

Filesize
624KB

Download
memory/2040-9-0x0000000005610000-0x000000000561A000-memory.dmp

Filesize
40KB

Download
memory/2040-1-0x0000000000300000-0x0000000000342000-memory.dmp

Filesize
264KB

Download
memory/2040-23-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2040-24-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2040-25-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2040-0-0x000000007508E000-0x000000007508F000-memory.dmp

Filesize
4KB

Download
memory/2040-27-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2040-28-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2040-29-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2040-6-0x0000000005190000-0x0000000005222000-memory.dmp

Filesize
584KB

Download
memory/2040-31-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2040-32-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2040-33-0x0000000006A90000-0x0000000006AA8000-memory.dmp

Filesize
96KB

Download
memory/2040-34-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2040-3-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2040-36-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/2040-5-0x0000000005660000-0x0000000005C04000-memory.dmp

Filesize
5.6MB

Download
memory/2040-4-0x0000000005070000-0x00000000050B2000-memory.dmp

Filesize
264KB

Download
memory/2040-2-0x0000000004C40000-0x0000000004C4E000-memory.dmp

Filesize
56KB

Download
memory/3108-51-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/3108-37-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/3108-21-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads