njrat | 1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1

General

Target

1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe
Size

120KB
MD5

03a957673a394475e15c113f43e0e99e
SHA1

9da8fb150808ffb7583b509237c59c70ee37f81c
SHA256

1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1
SHA512

e6926305fdd18b3e10b768ce749436c4f1c23a9a3aaea02cc33eb058fae1528bc6c57051d658a46996f8d6652abccba0611168be095aa8cd53560992dbd13b94
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVgS:P5eznsjsguGDFqGZ2rDL3

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
4856	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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe

Executes dropped EXE 2 IoCs

pid	Process
4536	chargeable.exe
2708	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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe"	1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4536 set thread context of 2708	4536	chargeable.exe	83

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

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	1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2708	chargeable.exe
Token: 33	2708	chargeable.exe
Token: SeIncBasePriorityPrivilege	2708	chargeable.exe
Token: 33	2708	chargeable.exe
Token: SeIncBasePriorityPrivilege	2708	chargeable.exe
Token: 33	2708	chargeable.exe
Token: SeIncBasePriorityPrivilege	2708	chargeable.exe
Token: 33	2708	chargeable.exe
Token: SeIncBasePriorityPrivilege	2708	chargeable.exe
Token: 33	2708	chargeable.exe
Token: SeIncBasePriorityPrivilege	2708	chargeable.exe
Token: 33	2708	chargeable.exe
Token: SeIncBasePriorityPrivilege	2708	chargeable.exe
Token: 33	2708	chargeable.exe
Token: SeIncBasePriorityPrivilege	2708	chargeable.exe
Token: 33	2708	chargeable.exe
Token: SeIncBasePriorityPrivilege	2708	chargeable.exe
Token: 33	2708	chargeable.exe
Token: SeIncBasePriorityPrivilege	2708	chargeable.exe
Token: 33	2708	chargeable.exe
Token: SeIncBasePriorityPrivilege	2708	chargeable.exe
Token: 33	2708	chargeable.exe
Token: SeIncBasePriorityPrivilege	2708	chargeable.exe
Token: 33	2708	chargeable.exe
Token: SeIncBasePriorityPrivilege	2708	chargeable.exe
Token: 33	2708	chargeable.exe
Token: SeIncBasePriorityPrivilege	2708	chargeable.exe
Token: 33	2708	chargeable.exe
Token: SeIncBasePriorityPrivilege	2708	chargeable.exe
Token: 33	2708	chargeable.exe
Token: SeIncBasePriorityPrivilege	2708	chargeable.exe
Token: 33	2708	chargeable.exe
Token: SeIncBasePriorityPrivilege	2708	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 4536	2424	1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe	82
PID 2424 wrote to memory of 4536	2424	1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe	82
PID 2424 wrote to memory of 4536	2424	1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe	82
PID 4536 wrote to memory of 2708	4536	chargeable.exe	83
PID 4536 wrote to memory of 2708	4536	chargeable.exe	83
PID 4536 wrote to memory of 2708	4536	chargeable.exe	83
PID 4536 wrote to memory of 2708	4536	chargeable.exe	83
PID 4536 wrote to memory of 2708	4536	chargeable.exe	83
PID 4536 wrote to memory of 2708	4536	chargeable.exe	83
PID 4536 wrote to memory of 2708	4536	chargeable.exe	83
PID 4536 wrote to memory of 2708	4536	chargeable.exe	83
PID 2708 wrote to memory of 4856	2708	chargeable.exe	89
PID 2708 wrote to memory of 4856	2708	chargeable.exe	89
PID 2708 wrote to memory of 4856	2708	chargeable.exe	89

C:\Users\Admin\AppData\Local\Temp\1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe
"C:\Users\Admin\AppData\Local\Temp\1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2424
- 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:4536
- - 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:2708
  - - 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:4856

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
6db55272907f01b16eaf4f336d360005

SHA1
59a7a95568b91743ffeaead568584e4abf7f9496

SHA256
d9169da1e63c668632db7449ec954c2a96ac245e1a2e865e753e97531b698d05

SHA512
2a01dd09bf75ff357201f1fdbd24b15b39645a7ab378d53c0f2aab9beef4bba346533548bdecdd4cfa3c26159e9c865471e12692e253928f05787fcad7f7f481

Download Submit
memory/2424-0-0x00000000750B2000-0x00000000750B3000-memory.dmp

Filesize
4KB

Download
memory/2424-1-0x00000000750B0000-0x0000000075661000-memory.dmp

Filesize
5.7MB

Download
memory/2424-2-0x00000000750B0000-0x0000000075661000-memory.dmp

Filesize
5.7MB

Download
memory/2424-6-0x00000000750B2000-0x00000000750B3000-memory.dmp

Filesize
4KB

Download
memory/2424-7-0x00000000750B0000-0x0000000075661000-memory.dmp

Filesize
5.7MB

Download
memory/2424-19-0x00000000750B0000-0x0000000075661000-memory.dmp

Filesize
5.7MB

Download
memory/2708-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2708-27-0x00000000750B0000-0x0000000075661000-memory.dmp

Filesize
5.7MB

Download
memory/2708-28-0x00000000750B0000-0x0000000075661000-memory.dmp

Filesize
5.7MB

Download
memory/2708-29-0x00000000750B0000-0x0000000075661000-memory.dmp

Filesize
5.7MB

Download
memory/4536-21-0x00000000750B0000-0x0000000075661000-memory.dmp

Filesize
5.7MB

Download
memory/4536-26-0x00000000750B0000-0x0000000075661000-memory.dmp

Filesize
5.7MB

Download
memory/4536-20-0x00000000750B0000-0x0000000075661000-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