njrat | 7a3c485d49f5f7adadcc37283d7b0ac83dfaef636474226b9270ec5459560bc0

General

Target

7a3c485d49f5f7adadcc37283d7b0ac83dfaef636474226b9270ec5459560bc0.exe
Size

120KB
MD5

603c3bb9aa374f8715ecafbabfaa1f2e
SHA1

9666c9a99f45865a1c2feaf57d49998f7ae930c0
SHA256

7a3c485d49f5f7adadcc37283d7b0ac83dfaef636474226b9270ec5459560bc0
SHA512

4fef7dbae3d023b7aa1486cf8df5935f9686d72cd646a46935a292573e3d45af70b1783efc660e6976ab721daa0c8c6022c0ac130b09031e78bf37a7351b4a7c
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVgl:P5eznsjsguGDFqGZ2rDL8

Score

10^/10

njrat neuf defense_evasion discovery persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes

reg_key
e1a87040f2026369a233f9ae76301b7b
splitter
|'|'|

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3200	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	7a3c485d49f5f7adadcc37283d7b0ac83dfaef636474226b9270ec5459560bc0.exe

Executes dropped EXE 3 IoCs

pid	Process
4944	chargeable.exe
3640	chargeable.exe
2360	chargeable.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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	7a3c485d49f5f7adadcc37283d7b0ac83dfaef636474226b9270ec5459560bc0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7a3c485d49f5f7adadcc37283d7b0ac83dfaef636474226b9270ec5459560bc0.exe"	7a3c485d49f5f7adadcc37283d7b0ac83dfaef636474226b9270ec5459560bc0.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4944 set thread context of 3640	4944	chargeable.exe	91
PID 4944 set thread context of 2360	4944	chargeable.exe	90

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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1636	2360	WerFault.exe	90

System Location Discovery: System Language Discovery 1 TTPs 4 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	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7a3c485d49f5f7adadcc37283d7b0ac83dfaef636474226b9270ec5459560bc0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	3640	chargeable.exe
Token: 33	3640	chargeable.exe
Token: SeIncBasePriorityPrivilege	3640	chargeable.exe
Token: 33	3640	chargeable.exe
Token: SeIncBasePriorityPrivilege	3640	chargeable.exe
Token: 33	3640	chargeable.exe
Token: SeIncBasePriorityPrivilege	3640	chargeable.exe
Token: 33	3640	chargeable.exe
Token: SeIncBasePriorityPrivilege	3640	chargeable.exe
Token: 33	3640	chargeable.exe
Token: SeIncBasePriorityPrivilege	3640	chargeable.exe
Token: 33	3640	chargeable.exe
Token: SeIncBasePriorityPrivilege	3640	chargeable.exe
Token: 33	3640	chargeable.exe
Token: SeIncBasePriorityPrivilege	3640	chargeable.exe
Token: 33	3640	chargeable.exe
Token: SeIncBasePriorityPrivilege	3640	chargeable.exe
Token: 33	3640	chargeable.exe
Token: SeIncBasePriorityPrivilege	3640	chargeable.exe
Token: 33	3640	chargeable.exe
Token: SeIncBasePriorityPrivilege	3640	chargeable.exe
Token: 33	3640	chargeable.exe
Token: SeIncBasePriorityPrivilege	3640	chargeable.exe
Token: 33	3640	chargeable.exe
Token: SeIncBasePriorityPrivilege	3640	chargeable.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2852 wrote to memory of 4944	2852	7a3c485d49f5f7adadcc37283d7b0ac83dfaef636474226b9270ec5459560bc0.exe	87
PID 2852 wrote to memory of 4944	2852	7a3c485d49f5f7adadcc37283d7b0ac83dfaef636474226b9270ec5459560bc0.exe	87
PID 2852 wrote to memory of 4944	2852	7a3c485d49f5f7adadcc37283d7b0ac83dfaef636474226b9270ec5459560bc0.exe	87
PID 4944 wrote to memory of 2360	4944	chargeable.exe	90
PID 4944 wrote to memory of 2360	4944	chargeable.exe	90
PID 4944 wrote to memory of 2360	4944	chargeable.exe	90
PID 4944 wrote to memory of 3640	4944	chargeable.exe	91
PID 4944 wrote to memory of 3640	4944	chargeable.exe	91
PID 4944 wrote to memory of 3640	4944	chargeable.exe	91
PID 4944 wrote to memory of 3640	4944	chargeable.exe	91
PID 4944 wrote to memory of 3640	4944	chargeable.exe	91
PID 4944 wrote to memory of 3640	4944	chargeable.exe	91
PID 4944 wrote to memory of 3640	4944	chargeable.exe	91
PID 4944 wrote to memory of 3640	4944	chargeable.exe	91
PID 4944 wrote to memory of 2360	4944	chargeable.exe	90
PID 4944 wrote to memory of 2360	4944	chargeable.exe	90
PID 4944 wrote to memory of 2360	4944	chargeable.exe	90
PID 4944 wrote to memory of 2360	4944	chargeable.exe	90
PID 4944 wrote to memory of 2360	4944	chargeable.exe	90
PID 3640 wrote to memory of 3200	3640	chargeable.exe	95
PID 3640 wrote to memory of 3200	3640	chargeable.exe	95
PID 3640 wrote to memory of 3200	3640	chargeable.exe	95

C:\Users\Admin\AppData\Local\Temp\7a3c485d49f5f7adadcc37283d7b0ac83dfaef636474226b9270ec5459560bc0.exe
"C:\Users\Admin\AppData\Local\Temp\7a3c485d49f5f7adadcc37283d7b0ac83dfaef636474226b9270ec5459560bc0.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2852
- C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
  "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4944
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    PID:2360
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 80
      4⤵
      Program crash
      PID:1636
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3640
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:3200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2360 -ip 2360
1⤵
PID:4416

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_v2.0_32\UsageLogs\chargeable.exe.log

Filesize
400B

MD5
0a9b4592cd49c3c21f6767c2dabda92f

SHA1
f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

SHA256
c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

SHA512
6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

Download Submit
C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe

Filesize
120KB

MD5
1b504f63a75590742b53919393b5a027

SHA1
43b3c1662c8da1c44d8509b8a5ce7e6bb9a972fe

SHA256
efc4bbdeec2baa53332dc5a76f4d92565edcc20e3116d3eed21588e62534281f

SHA512
aab3e4c17dd567557df891191ad7e073f4f3823be0b589f468a3327b3226bc7c9a2c73a24d0fc60e1054b849cf4cde08acee928d278bcd9a26a697f08a98dc29

Download Submit
memory/2852-1-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/2852-2-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/2852-6-0x0000000074DA2000-0x0000000074DA3000-memory.dmp

Filesize
4KB

Download
memory/2852-7-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/2852-20-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/2852-0-0x0000000074DA2000-0x0000000074DA3000-memory.dmp

Filesize
4KB

Download
memory/3640-29-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/3640-32-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/3640-31-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/3640-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4944-22-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/4944-30-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/4944-19-0x0000000074DA0000-0x0000000075351000-memory.dmp

Filesize
5.7MB

Download
memory/4944-21-0x0000000074DA0000-0x0000000075351000-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