njrat | da9d0b5a0fb229ebd54e20802c5d7d4d26281d74dce946eaaac7bec5c812cce1

General

Target

da9d0b5a0fb229ebd54e20802c5d7d4d26281d74dce946eaaac7bec5c812cce1N.exe
Size

120KB
MD5

cf28cd2e4d302f8084428ae2154a1090
SHA1

438ea7a74a106f663955707affc9ba1ccdf10d18
SHA256

da9d0b5a0fb229ebd54e20802c5d7d4d26281d74dce946eaaac7bec5c812cce1
SHA512

f2ac8ae77cef7703e17e113fe9e0f46082b1bb1916677df2aa9dd6f904e44bc90f477d12278a3764ad9872e30940fd0b11ac9f3db12f1db03321f3627f5179da
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVg/:P5eznsjsguGDFqGZ2rDLy

Score

10^/10

njrat neuf discovery evasion 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

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
412	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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	da9d0b5a0fb229ebd54e20802c5d7d4d26281d74dce946eaaac7bec5c812cce1N.exe

Executes dropped EXE 2 IoCs

pid	Process
2000	chargeable.exe
2724	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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	da9d0b5a0fb229ebd54e20802c5d7d4d26281d74dce946eaaac7bec5c812cce1N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\da9d0b5a0fb229ebd54e20802c5d7d4d26281d74dce946eaaac7bec5c812cce1N.exe"	da9d0b5a0fb229ebd54e20802c5d7d4d26281d74dce946eaaac7bec5c812cce1N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2000 set thread context of 2724	2000	chargeable.exe	92

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 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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	da9d0b5a0fb229ebd54e20802c5d7d4d26281d74dce946eaaac7bec5c812cce1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe
Token: 33	2724	chargeable.exe
Token: SeIncBasePriorityPrivilege	2724	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1072 wrote to memory of 2000	1072	da9d0b5a0fb229ebd54e20802c5d7d4d26281d74dce946eaaac7bec5c812cce1N.exe	84
PID 1072 wrote to memory of 2000	1072	da9d0b5a0fb229ebd54e20802c5d7d4d26281d74dce946eaaac7bec5c812cce1N.exe	84
PID 1072 wrote to memory of 2000	1072	da9d0b5a0fb229ebd54e20802c5d7d4d26281d74dce946eaaac7bec5c812cce1N.exe	84
PID 2000 wrote to memory of 2724	2000	chargeable.exe	92
PID 2000 wrote to memory of 2724	2000	chargeable.exe	92
PID 2000 wrote to memory of 2724	2000	chargeable.exe	92
PID 2000 wrote to memory of 2724	2000	chargeable.exe	92
PID 2000 wrote to memory of 2724	2000	chargeable.exe	92
PID 2000 wrote to memory of 2724	2000	chargeable.exe	92
PID 2000 wrote to memory of 2724	2000	chargeable.exe	92
PID 2000 wrote to memory of 2724	2000	chargeable.exe	92
PID 2724 wrote to memory of 412	2724	chargeable.exe	99
PID 2724 wrote to memory of 412	2724	chargeable.exe	99
PID 2724 wrote to memory of 412	2724	chargeable.exe	99

C:\Users\Admin\AppData\Local\Temp\da9d0b5a0fb229ebd54e20802c5d7d4d26281d74dce946eaaac7bec5c812cce1N.exe
"C:\Users\Admin\AppData\Local\Temp\da9d0b5a0fb229ebd54e20802c5d7d4d26281d74dce946eaaac7bec5c812cce1N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1072
- 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:2000
- - 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:2724
  - - 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:412

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
65efc8b7184f16ae83762530df8c8cc7

SHA1
e933ac77f7a2bb406ac43ee23fdecbd33d9d7f95

SHA256
f7ccafa19d29b99378b7020be5b4fdfcc4157e3834a82fdc8fb793a34b8fab05

SHA512
36fda7039e4df25298bb3edf5ecd91419304dc2bb4171f8f47f2384316e6251227488a9c7771f41d9280053f76ccd7a0164a8230d9f8eaff2fbb2893f3ca2cd5

Download Submit
memory/1072-0-0x0000000074642000-0x0000000074643000-memory.dmp

Filesize
4KB

Download
memory/1072-1-0x0000000074640000-0x0000000074BF1000-memory.dmp

Filesize
5.7MB

Download
memory/1072-2-0x0000000074640000-0x0000000074BF1000-memory.dmp

Filesize
5.7MB

Download
memory/1072-6-0x0000000074642000-0x0000000074643000-memory.dmp

Filesize
4KB

Download
memory/1072-7-0x0000000074640000-0x0000000074BF1000-memory.dmp

Filesize
5.7MB

Download
memory/1072-19-0x0000000074640000-0x0000000074BF1000-memory.dmp

Filesize
5.7MB

Download
memory/2000-21-0x0000000074640000-0x0000000074BF1000-memory.dmp

Filesize
5.7MB

Download
memory/2000-26-0x0000000074640000-0x0000000074BF1000-memory.dmp

Filesize
5.7MB

Download
memory/2000-20-0x0000000074640000-0x0000000074BF1000-memory.dmp

Filesize
5.7MB

Download
memory/2724-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2724-27-0x0000000074640000-0x0000000074BF1000-memory.dmp

Filesize
5.7MB

Download
memory/2724-28-0x0000000074640000-0x0000000074BF1000-memory.dmp

Filesize
5.7MB

Download
memory/2724-29-0x0000000074640000-0x0000000074BF1000-memory.dmp

Filesize
5.7MB

Download
memory/2724-30-0x0000000074640000-0x0000000074BF1000-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