njrat | 600cf1518ec06857b75a95d56638faf79e41e7c9d4d8561dce5cf8fa2a7f8999

General

Target

600cf1518ec06857b75a95d56638faf79e41e7c9d4d8561dce5cf8fa2a7f8999N.exe
Size

30KB
MD5

d7fa71fa3dd283c8bb3d4c6ac76d7bf0
SHA1

c98bf34843bd2d450ef77b7349816d54f363b16a
SHA256

600cf1518ec06857b75a95d56638faf79e41e7c9d4d8561dce5cf8fa2a7f8999
SHA512

053f90ceb30595f0cf074bcff9e395b21ea0470ab769f9e54ccd038719f9077b7dcc93c5b3d5326a2bccca4e019e8ce1c553748282d342fc9f94685acf3957b3
SSDEEP

768:ZWN1SPXImFO2n8dPiXVBTX6Cjs2x3i7jMCP8/qg/vE1:ZW7jmFZ8dPkfTK5286/qg/v2

Score

10^/10

njrat hacked evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

meroelbob213.ddns.net:1177

Mutex

200f5d46ed258f031642c1880205412e

Attributes

reg_key
200f5d46ed258f031642c1880205412e
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
2136	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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	600cf1518ec06857b75a95d56638faf79e41e7c9d4d8561dce5cf8fa2a7f8999N.exe

Executes dropped EXE 1 IoCs

pid	Process
860	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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\200f5d46ed258f031642c1880205412e = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\200f5d46ed258f031642c1880205412e = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.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\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	860	server.exe
Token: 33	860	server.exe
Token: SeIncBasePriorityPrivilege	860	server.exe
Token: 33	860	server.exe
Token: SeIncBasePriorityPrivilege	860	server.exe
Token: 33	860	server.exe
Token: SeIncBasePriorityPrivilege	860	server.exe
Token: 33	860	server.exe
Token: SeIncBasePriorityPrivilege	860	server.exe
Token: 33	860	server.exe
Token: SeIncBasePriorityPrivilege	860	server.exe
Token: 33	860	server.exe
Token: SeIncBasePriorityPrivilege	860	server.exe
Token: 33	860	server.exe
Token: SeIncBasePriorityPrivilege	860	server.exe
Token: 33	860	server.exe
Token: SeIncBasePriorityPrivilege	860	server.exe
Token: 33	860	server.exe
Token: SeIncBasePriorityPrivilege	860	server.exe
Token: 33	860	server.exe
Token: SeIncBasePriorityPrivilege	860	server.exe
Token: 33	860	server.exe
Token: SeIncBasePriorityPrivilege	860	server.exe
Token: 33	860	server.exe
Token: SeIncBasePriorityPrivilege	860	server.exe
Token: 33	860	server.exe
Token: SeIncBasePriorityPrivilege	860	server.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4376 wrote to memory of 860	4376	600cf1518ec06857b75a95d56638faf79e41e7c9d4d8561dce5cf8fa2a7f8999N.exe	84
PID 4376 wrote to memory of 860	4376	600cf1518ec06857b75a95d56638faf79e41e7c9d4d8561dce5cf8fa2a7f8999N.exe	84
PID 860 wrote to memory of 2136	860	server.exe	88
PID 860 wrote to memory of 2136	860	server.exe	88

C:\Users\Admin\AppData\Local\Temp\600cf1518ec06857b75a95d56638faf79e41e7c9d4d8561dce5cf8fa2a7f8999N.exe
"C:\Users\Admin\AppData\Local\Temp\600cf1518ec06857b75a95d56638faf79e41e7c9d4d8561dce5cf8fa2a7f8999N.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4376
- C:\Users\Admin\AppData\Roaming\server.exe
  "C:\Users\Admin\AppData\Roaming\server.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:860
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:2136

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\server.exe

Filesize
30KB

MD5
d7fa71fa3dd283c8bb3d4c6ac76d7bf0

SHA1
c98bf34843bd2d450ef77b7349816d54f363b16a

SHA256
600cf1518ec06857b75a95d56638faf79e41e7c9d4d8561dce5cf8fa2a7f8999

SHA512
053f90ceb30595f0cf074bcff9e395b21ea0470ab769f9e54ccd038719f9077b7dcc93c5b3d5326a2bccca4e019e8ce1c553748282d342fc9f94685acf3957b3

Download Submit
memory/860-18-0x00007FFEF6560000-0x00007FFEF7021000-memory.dmp

Filesize
10.8MB

Download
memory/860-19-0x00007FFEF6560000-0x00007FFEF7021000-memory.dmp

Filesize
10.8MB

Download
memory/860-21-0x00007FFEF6560000-0x00007FFEF7021000-memory.dmp

Filesize
10.8MB

Download
memory/860-22-0x00007FFEF6560000-0x00007FFEF7021000-memory.dmp

Filesize
10.8MB

Download
memory/4376-0-0x00007FFEF6563000-0x00007FFEF6565000-memory.dmp

Filesize
8KB

Download
memory/4376-1-0x0000000000460000-0x000000000046E000-memory.dmp

Filesize
56KB

Download
memory/4376-2-0x0000000000C20000-0x0000000000C2E000-memory.dmp

Filesize
56KB

Download
memory/4376-3-0x00000000024F0000-0x00000000024F8000-memory.dmp

Filesize
32KB

Download
memory/4376-4-0x0000000002500000-0x000000000250C000-memory.dmp

Filesize
48KB

Download
memory/4376-5-0x00007FFEF6560000-0x00007FFEF7021000-memory.dmp

Filesize
10.8MB

Download
memory/4376-20-0x00007FFEF6560000-0x00007FFEF7021000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads