njrat | e3f63a4ddb9885b2a890a887454850f4b47bb4cb956bef7e98be37a579c84e65

General

Target

f9a4d98c734695a1c02d4620da8cce10N.exe
Size

118KB
MD5

f9a4d98c734695a1c02d4620da8cce10
SHA1

31b5e04977054b521afd697199108745be6b081a
SHA256

e3f63a4ddb9885b2a890a887454850f4b47bb4cb956bef7e98be37a579c84e65
SHA512

c5e51e9f0250935f73cdf31d4132f12ba47b69ac3930b43b8a03f29949c66c48a5bfd4cb878e2ee5b9acaaacf0a7bdc7cb9f66be8ef96b8f669c2085b5cbff71
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL2rKIt:P5eznsjsguGDFqGZ2rDL2OIt

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/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
3092	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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	f9a4d98c734695a1c02d4620da8cce10N.exe

Executes dropped EXE 2 IoCs

pid	Process
3948	chargeable.exe
3908	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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	f9a4d98c734695a1c02d4620da8cce10N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f9a4d98c734695a1c02d4620da8cce10N.exe"	f9a4d98c734695a1c02d4620da8cce10N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3948 set thread context of 3908	3948	chargeable.exe	93

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	f9a4d98c734695a1c02d4620da8cce10N.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 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	3908	chargeable.exe
Token: 33	3908	chargeable.exe
Token: SeIncBasePriorityPrivilege	3908	chargeable.exe
Token: 33	3908	chargeable.exe
Token: SeIncBasePriorityPrivilege	3908	chargeable.exe
Token: 33	3908	chargeable.exe
Token: SeIncBasePriorityPrivilege	3908	chargeable.exe
Token: 33	3908	chargeable.exe
Token: SeIncBasePriorityPrivilege	3908	chargeable.exe
Token: 33	3908	chargeable.exe
Token: SeIncBasePriorityPrivilege	3908	chargeable.exe
Token: 33	3908	chargeable.exe
Token: SeIncBasePriorityPrivilege	3908	chargeable.exe
Token: 33	3908	chargeable.exe
Token: SeIncBasePriorityPrivilege	3908	chargeable.exe
Token: 33	3908	chargeable.exe
Token: SeIncBasePriorityPrivilege	3908	chargeable.exe
Token: 33	3908	chargeable.exe
Token: SeIncBasePriorityPrivilege	3908	chargeable.exe
Token: 33	3908	chargeable.exe
Token: SeIncBasePriorityPrivilege	3908	chargeable.exe
Token: 33	3908	chargeable.exe
Token: SeIncBasePriorityPrivilege	3908	chargeable.exe
Token: 33	3908	chargeable.exe
Token: SeIncBasePriorityPrivilege	3908	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4380 wrote to memory of 3948	4380	f9a4d98c734695a1c02d4620da8cce10N.exe	88
PID 4380 wrote to memory of 3948	4380	f9a4d98c734695a1c02d4620da8cce10N.exe	88
PID 4380 wrote to memory of 3948	4380	f9a4d98c734695a1c02d4620da8cce10N.exe	88
PID 3948 wrote to memory of 3908	3948	chargeable.exe	93
PID 3948 wrote to memory of 3908	3948	chargeable.exe	93
PID 3948 wrote to memory of 3908	3948	chargeable.exe	93
PID 3948 wrote to memory of 3908	3948	chargeable.exe	93
PID 3948 wrote to memory of 3908	3948	chargeable.exe	93
PID 3948 wrote to memory of 3908	3948	chargeable.exe	93
PID 3948 wrote to memory of 3908	3948	chargeable.exe	93
PID 3948 wrote to memory of 3908	3948	chargeable.exe	93
PID 3908 wrote to memory of 3092	3908	chargeable.exe	97
PID 3908 wrote to memory of 3092	3908	chargeable.exe	97
PID 3908 wrote to memory of 3092	3908	chargeable.exe	97

C:\Users\Admin\AppData\Local\Temp\f9a4d98c734695a1c02d4620da8cce10N.exe
"C:\Users\Admin\AppData\Local\Temp\f9a4d98c734695a1c02d4620da8cce10N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4380
- 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:3948
- - 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:3908
  - - 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:3092

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
118KB

MD5
22b7ed8c08c33860337a75c0271fa520

SHA1
bc1f6f0710293e3a81061a1c2c732592564c46ee

SHA256
7c62cfed6cc1f40ef73d13086a75109bface5e30390990aafab7039b0a5f87c6

SHA512
5ed89510bd08f2347bea3e8a89aeb4131914634f1c47fee46405188c28c3cd0093d04615c124c124790beb994a052a0b01272a4b7579dd747950dceab7bd3c0d

Download Submit
memory/3908-30-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/3908-29-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/3908-27-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/3908-26-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/3908-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3948-21-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/3948-20-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/3948-28-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/4380-0-0x00000000749D2000-0x00000000749D3000-memory.dmp

Filesize
4KB

Download
memory/4380-19-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/4380-7-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/4380-6-0x00000000749D2000-0x00000000749D3000-memory.dmp

Filesize
4KB

Download
memory/4380-2-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/4380-1-0x00000000749D0000-0x0000000074F81000-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