njrat | 3d806b76a162faeed54de273a7c4965fbb18973aec1158cbbdf1efcd553c2a18

General

Target

35114bc980d4d737f8f5e9c0eed79f91.exe
Size

113KB
MD5

35114bc980d4d737f8f5e9c0eed79f91
SHA1

c47cc7f5d9547c530babad777c45506bcd983ad0
SHA256

3d806b76a162faeed54de273a7c4965fbb18973aec1158cbbdf1efcd553c2a18
SHA512

705a1ecb277b048574ef4056f5131804b62f077ce1cb085e5dec40d558f97e95d882539f072402541aaa8e54c26768dea8d0f53fdb86ff9cc83b3b991158d17b
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73vrU:w5eznsjsguGDFqGx8egoxmO3rvA

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
8	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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	35114bc980d4d737f8f5e9c0eed79f91.exe

Executes dropped EXE 2 IoCs

pid	Process
3032	chargeable.exe
3512	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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\35114bc980d4d737f8f5e9c0eed79f91.exe"	35114bc980d4d737f8f5e9c0eed79f91.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	35114bc980d4d737f8f5e9c0eed79f91.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3032 set thread context of 3512	3032	chargeable.exe	97

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	35114bc980d4d737f8f5e9c0eed79f91.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe
Token: 33	3512	chargeable.exe
Token: SeIncBasePriorityPrivilege	3512	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 3032	2976	35114bc980d4d737f8f5e9c0eed79f91.exe	92
PID 2976 wrote to memory of 3032	2976	35114bc980d4d737f8f5e9c0eed79f91.exe	92
PID 2976 wrote to memory of 3032	2976	35114bc980d4d737f8f5e9c0eed79f91.exe	92
PID 3032 wrote to memory of 3512	3032	chargeable.exe	97
PID 3032 wrote to memory of 3512	3032	chargeable.exe	97
PID 3032 wrote to memory of 3512	3032	chargeable.exe	97
PID 3032 wrote to memory of 3512	3032	chargeable.exe	97
PID 3032 wrote to memory of 3512	3032	chargeable.exe	97
PID 3032 wrote to memory of 3512	3032	chargeable.exe	97
PID 3032 wrote to memory of 3512	3032	chargeable.exe	97
PID 3032 wrote to memory of 3512	3032	chargeable.exe	97
PID 3512 wrote to memory of 8	3512	chargeable.exe	98
PID 3512 wrote to memory of 8	3512	chargeable.exe	98
PID 3512 wrote to memory of 8	3512	chargeable.exe	98

C:\Users\Admin\AppData\Local\Temp\35114bc980d4d737f8f5e9c0eed79f91.exe
"C:\Users\Admin\AppData\Local\Temp\35114bc980d4d737f8f5e9c0eed79f91.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2976
- 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:3032
- - 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:3512
  - - 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:8

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
113KB

MD5
8cd3cb31b0619d60638080a557984f51

SHA1
79796daca744062d56680bd3087a9487e6dd2a98

SHA256
13f2bbde1cd35d22ab7bab26b61c528dc9b56735bc4163060b899a8fc0afb729

SHA512
8a3e81332aeda8673b62e5191de1835868b3ec0255610be8cb6fa0b318c32973c3f21ba56baa827ca48470937334845ade6e5c9d2b4bcb6c1e5bac373cd0dd7d

Download Submit
memory/2976-7-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/2976-1-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/2976-0-0x0000000075432000-0x0000000075433000-memory.dmp

Filesize
4KB

Download
memory/2976-2-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/2976-20-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/2976-6-0x0000000075432000-0x0000000075433000-memory.dmp

Filesize
4KB

Download
memory/2976-19-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/3032-22-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/3032-23-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/3032-21-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/3032-29-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/3512-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3512-28-0x0000000075430000-0x00000000759E1000-memory.dmp

Filesize
5.7MB

Download
memory/3512-30-0x0000000075430000-0x00000000759E1000-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