njrat | bbab8d0d74d25c3ebf151ccf65271e9f980be8681dec12aea48c7c5ee2326638

General

Target

bbab8d0d74d25c3ebf151ccf65271e9f980be8681dec12aea48c7c5ee2326638.exe
Size

90KB
MD5

87de72343fd19318094ca373dd66f612
SHA1

a86314555f9f10cea08252ea238c8a2cdaef7ec9
SHA256

bbab8d0d74d25c3ebf151ccf65271e9f980be8681dec12aea48c7c5ee2326638
SHA512

687e0b0830e2cae530b5d927e0ec26e3f82ce26868ed45031fcdc25941d908c5e6db797bb022ddfb645d1113852a8e6055c17768425a9bf722ee983cb20bc609
SSDEEP

1536:G4vU6liMCyyzLLD3plFUljOzbKH7apWeCRrb2rK:VK9LD5Cj7HGMt2rK

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

jamalnajjar123.ddns.net:1177

Mutex

f5aa1406a7e0e081de9e13df98df5d5f

Attributes

reg_key
f5aa1406a7e0e081de9e13df98df5d5f
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

Processes:

netsh.exe

pid	Process
4976	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

Processes:

bbab8d0d74d25c3ebf151ccf65271e9f980be8681dec12aea48c7c5ee2326638.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	bbab8d0d74d25c3ebf151ccf65271e9f980be8681dec12aea48c7c5ee2326638.exe

Drops startup file 2 IoCs

Processes:

servare.exe

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f5aa1406a7e0e081de9e13df98df5d5f.exe	servare.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f5aa1406a7e0e081de9e13df98df5d5f.exe	servare.exe

Executes dropped EXE 1 IoCs

Processes:

servare.exe

pid	Process
2776	servare.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

servare.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\f5aa1406a7e0e081de9e13df98df5d5f = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\servare.exe\" .."	servare.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\f5aa1406a7e0e081de9e13df98df5d5f = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\servare.exe\" .."	servare.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

Processes:

netsh.exe

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 3 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

Processes:

servare.exenetsh.exebbab8d0d74d25c3ebf151ccf65271e9f980be8681dec12aea48c7c5ee2326638.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	servare.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bbab8d0d74d25c3ebf151ccf65271e9f980be8681dec12aea48c7c5ee2326638.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

Processes:

servare.exe

description	pid	Process
Token: SeDebugPrivilege	2776	servare.exe
Token: 33	2776	servare.exe
Token: SeIncBasePriorityPrivilege	2776	servare.exe
Token: 33	2776	servare.exe
Token: SeIncBasePriorityPrivilege	2776	servare.exe
Token: 33	2776	servare.exe
Token: SeIncBasePriorityPrivilege	2776	servare.exe
Token: 33	2776	servare.exe
Token: SeIncBasePriorityPrivilege	2776	servare.exe
Token: 33	2776	servare.exe
Token: SeIncBasePriorityPrivilege	2776	servare.exe
Token: 33	2776	servare.exe
Token: SeIncBasePriorityPrivilege	2776	servare.exe
Token: 33	2776	servare.exe
Token: SeIncBasePriorityPrivilege	2776	servare.exe
Token: 33	2776	servare.exe
Token: SeIncBasePriorityPrivilege	2776	servare.exe
Token: 33	2776	servare.exe
Token: SeIncBasePriorityPrivilege	2776	servare.exe
Token: 33	2776	servare.exe
Token: SeIncBasePriorityPrivilege	2776	servare.exe
Token: 33	2776	servare.exe
Token: SeIncBasePriorityPrivilege	2776	servare.exe
Token: 33	2776	servare.exe
Token: SeIncBasePriorityPrivilege	2776	servare.exe
Token: 33	2776	servare.exe
Token: SeIncBasePriorityPrivilege	2776	servare.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

bbab8d0d74d25c3ebf151ccf65271e9f980be8681dec12aea48c7c5ee2326638.exeservare.exe

description	pid	Process	procid_target
PID 4640 wrote to memory of 2776	4640	bbab8d0d74d25c3ebf151ccf65271e9f980be8681dec12aea48c7c5ee2326638.exe	91
PID 4640 wrote to memory of 2776	4640	bbab8d0d74d25c3ebf151ccf65271e9f980be8681dec12aea48c7c5ee2326638.exe	91
PID 4640 wrote to memory of 2776	4640	bbab8d0d74d25c3ebf151ccf65271e9f980be8681dec12aea48c7c5ee2326638.exe	91
PID 2776 wrote to memory of 4976	2776	servare.exe	97
PID 2776 wrote to memory of 4976	2776	servare.exe	97
PID 2776 wrote to memory of 4976	2776	servare.exe	97

C:\Users\Admin\AppData\Local\Temp\bbab8d0d74d25c3ebf151ccf65271e9f980be8681dec12aea48c7c5ee2326638.exe
"C:\Users\Admin\AppData\Local\Temp\bbab8d0d74d25c3ebf151ccf65271e9f980be8681dec12aea48c7c5ee2326638.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4640
- C:\Users\Admin\AppData\Local\Temp\servare.exe
  "C:\Users\Admin\AppData\Local\Temp\servare.exe"
  2⤵
  - 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:2776
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\servare.exe" "servare.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4976

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\Temp\servare.exe

Filesize
90KB

MD5
87de72343fd19318094ca373dd66f612

SHA1
a86314555f9f10cea08252ea238c8a2cdaef7ec9

SHA256
bbab8d0d74d25c3ebf151ccf65271e9f980be8681dec12aea48c7c5ee2326638

SHA512
687e0b0830e2cae530b5d927e0ec26e3f82ce26868ed45031fcdc25941d908c5e6db797bb022ddfb645d1113852a8e6055c17768425a9bf722ee983cb20bc609

Download Submit
memory/2776-24-0x00000000077C0000-0x0000000007852000-memory.dmp

Filesize
584KB

Download
memory/2776-21-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/2776-27-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/2776-26-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/2776-25-0x0000000007770000-0x000000000777A000-memory.dmp

Filesize
40KB

Download
memory/2776-22-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/4640-5-0x0000000007570000-0x000000000760C000-memory.dmp

Filesize
624KB

Download
memory/4640-20-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/4640-7-0x0000000007BC0000-0x0000000008164000-memory.dmp

Filesize
5.6MB

Download
memory/4640-2-0x0000000004D00000-0x0000000004D0A000-memory.dmp

Filesize
40KB

Download
memory/4640-6-0x0000000004E90000-0x0000000004E9C000-memory.dmp

Filesize
48KB

Download
memory/4640-0-0x00000000751CE000-0x00000000751CF000-memory.dmp

Filesize
4KB

Download
memory/4640-1-0x0000000000410000-0x000000000042C000-memory.dmp

Filesize
112KB

Download
memory/4640-4-0x0000000005020000-0x000000000503A000-memory.dmp

Filesize
104KB

Download
memory/4640-3-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads