njrat | 1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7

General

Target

1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe
Size

23KB
MD5

96795f99f9dd2b59b042964004acde86
SHA1

0838a91ceb2faf90c4dba6a5d3f68963662a3d0e
SHA256

1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7
SHA512

1bf62161a7c57b70725a8fa744d3eed4a00389b416116519f22de6f5f89c4b6c7e740612e8fba8574c0bf707eb90a6d3e835c6b87d7a9a61414c0d6d7bb881d2
SSDEEP

384:y+IGwz6+T4IjWZFNwXU0eiNUBdvt6lgT+lLOhXxQmRvR6JZlbw8hqIusZzZME:/wTbC81NgRpcnum

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:9977

Mutex

ffeaa9a52c9123bb4dd974006293187b

Attributes

reg_key
ffeaa9a52c9123bb4dd974006293187b
splitter
|'|'|

Signatures

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
2736	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2356	server.exe

Loads dropped DLL 1 IoCs

pid	Process
2152	1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.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-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\ffeaa9a52c9123bb4dd974006293187b = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ffeaa9a52c9123bb4dd974006293187b = "\"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\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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2356	server.exe
Token: 33	2356	server.exe
Token: SeIncBasePriorityPrivilege	2356	server.exe
Token: 33	2356	server.exe
Token: SeIncBasePriorityPrivilege	2356	server.exe
Token: 33	2356	server.exe
Token: SeIncBasePriorityPrivilege	2356	server.exe
Token: 33	2356	server.exe
Token: SeIncBasePriorityPrivilege	2356	server.exe
Token: 33	2356	server.exe
Token: SeIncBasePriorityPrivilege	2356	server.exe
Token: 33	2356	server.exe
Token: SeIncBasePriorityPrivilege	2356	server.exe
Token: 33	2356	server.exe
Token: SeIncBasePriorityPrivilege	2356	server.exe
Token: 33	2356	server.exe
Token: SeIncBasePriorityPrivilege	2356	server.exe
Token: 33	2356	server.exe
Token: SeIncBasePriorityPrivilege	2356	server.exe
Token: 33	2356	server.exe
Token: SeIncBasePriorityPrivilege	2356	server.exe
Token: 33	2356	server.exe
Token: SeIncBasePriorityPrivilege	2356	server.exe
Token: 33	2356	server.exe
Token: SeIncBasePriorityPrivilege	2356	server.exe
Token: 33	2356	server.exe
Token: SeIncBasePriorityPrivilege	2356	server.exe
Token: 33	2356	server.exe
Token: SeIncBasePriorityPrivilege	2356	server.exe
Token: 33	2356	server.exe
Token: SeIncBasePriorityPrivilege	2356	server.exe
Token: 33	2356	server.exe
Token: SeIncBasePriorityPrivilege	2356	server.exe
Token: 33	2356	server.exe
Token: SeIncBasePriorityPrivilege	2356	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 2356	2152	1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe	31
PID 2152 wrote to memory of 2356	2152	1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe	31
PID 2152 wrote to memory of 2356	2152	1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe	31
PID 2152 wrote to memory of 2356	2152	1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe	31
PID 2356 wrote to memory of 2736	2356	server.exe	32
PID 2356 wrote to memory of 2736	2356	server.exe	32
PID 2356 wrote to memory of 2736	2356	server.exe	32
PID 2356 wrote to memory of 2736	2356	server.exe	32

C:\Users\Admin\AppData\Local\Temp\1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe
"C:\Users\Admin\AppData\Local\Temp\1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2152
- C:\Users\Admin\AppData\Roaming\server.exe
  "C:\Users\Admin\AppData\Roaming\server.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2356
- - C:\Windows\SysWOW64\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
    - System Location Discovery: System Language Discovery
    PID:2736

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\Roaming\server.exe

Filesize
23KB

MD5
96795f99f9dd2b59b042964004acde86

SHA1
0838a91ceb2faf90c4dba6a5d3f68963662a3d0e

SHA256
1f8682eae15d13bc358d5e7e20795887032f4b533d3b4210bded14448fb4ecc7

SHA512
1bf62161a7c57b70725a8fa744d3eed4a00389b416116519f22de6f5f89c4b6c7e740612e8fba8574c0bf707eb90a6d3e835c6b87d7a9a61414c0d6d7bb881d2

Download Submit
memory/2152-0-0x00000000747D1000-0x00000000747D2000-memory.dmp

Filesize
4KB

Download
memory/2152-1-0x00000000747D0000-0x0000000074D7B000-memory.dmp

Filesize
5.7MB

Download
memory/2152-2-0x00000000747D0000-0x0000000074D7B000-memory.dmp

Filesize
5.7MB

Download
memory/2152-11-0x00000000747D0000-0x0000000074D7B000-memory.dmp

Filesize
5.7MB

Download
memory/2356-10-0x00000000747D0000-0x0000000074D7B000-memory.dmp

Filesize
5.7MB

Download
memory/2356-12-0x00000000747D0000-0x0000000074D7B000-memory.dmp

Filesize
5.7MB

Download
memory/2356-13-0x00000000747D0000-0x0000000074D7B000-memory.dmp

Filesize
5.7MB

Download
memory/2356-14-0x00000000747D0000-0x0000000074D7B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads