njrat | ebcdf0ea7146fac2e4d68409c125892102c8b65c97321d7a57e1386ce69d5e09

General

Target

5d9806d592202444f84ae3e14398975c.exe
Size

116KB
MD5

5d9806d592202444f84ae3e14398975c
SHA1

17347e5f8cde10bff0e30c7946e6d8c6958dbfd7
SHA256

ebcdf0ea7146fac2e4d68409c125892102c8b65c97321d7a57e1386ce69d5e09
SHA512

3e27103bc81e87ee61840e66d3be0adcc7d1aa2bf1fb803e92f734b2aa8503a30fbe06e369e72d5557594a10b377c5dc0698f1c458ca00b97c6131fb89d1bbb6
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMdee:P5eznsjsguGDFqGZ2rP

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
4756	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-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation	5d9806d592202444f84ae3e14398975c.exe

Executes dropped EXE 2 IoCs

pid	Process
1256	chargeable.exe
1028	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-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	5d9806d592202444f84ae3e14398975c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5d9806d592202444f84ae3e14398975c.exe"	5d9806d592202444f84ae3e14398975c.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1256 set thread context of 1028	1256	chargeable.exe	94

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	5d9806d592202444f84ae3e14398975c.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	1028	chargeable.exe
Token: 33	1028	chargeable.exe
Token: SeIncBasePriorityPrivilege	1028	chargeable.exe
Token: 33	1028	chargeable.exe
Token: SeIncBasePriorityPrivilege	1028	chargeable.exe
Token: 33	1028	chargeable.exe
Token: SeIncBasePriorityPrivilege	1028	chargeable.exe
Token: 33	1028	chargeable.exe
Token: SeIncBasePriorityPrivilege	1028	chargeable.exe
Token: 33	1028	chargeable.exe
Token: SeIncBasePriorityPrivilege	1028	chargeable.exe
Token: 33	1028	chargeable.exe
Token: SeIncBasePriorityPrivilege	1028	chargeable.exe
Token: 33	1028	chargeable.exe
Token: SeIncBasePriorityPrivilege	1028	chargeable.exe
Token: 33	1028	chargeable.exe
Token: SeIncBasePriorityPrivilege	1028	chargeable.exe
Token: 33	1028	chargeable.exe
Token: SeIncBasePriorityPrivilege	1028	chargeable.exe
Token: 33	1028	chargeable.exe
Token: SeIncBasePriorityPrivilege	1028	chargeable.exe
Token: 33	1028	chargeable.exe
Token: SeIncBasePriorityPrivilege	1028	chargeable.exe
Token: 33	1028	chargeable.exe
Token: SeIncBasePriorityPrivilege	1028	chargeable.exe
Token: 33	1028	chargeable.exe
Token: SeIncBasePriorityPrivilege	1028	chargeable.exe
Token: 33	1028	chargeable.exe
Token: SeIncBasePriorityPrivilege	1028	chargeable.exe
Token: 33	1028	chargeable.exe
Token: SeIncBasePriorityPrivilege	1028	chargeable.exe
Token: 33	1028	chargeable.exe
Token: SeIncBasePriorityPrivilege	1028	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4824 wrote to memory of 1256	4824	5d9806d592202444f84ae3e14398975c.exe	90
PID 4824 wrote to memory of 1256	4824	5d9806d592202444f84ae3e14398975c.exe	90
PID 4824 wrote to memory of 1256	4824	5d9806d592202444f84ae3e14398975c.exe	90
PID 1256 wrote to memory of 1028	1256	chargeable.exe	94
PID 1256 wrote to memory of 1028	1256	chargeable.exe	94
PID 1256 wrote to memory of 1028	1256	chargeable.exe	94
PID 1256 wrote to memory of 1028	1256	chargeable.exe	94
PID 1256 wrote to memory of 1028	1256	chargeable.exe	94
PID 1256 wrote to memory of 1028	1256	chargeable.exe	94
PID 1256 wrote to memory of 1028	1256	chargeable.exe	94
PID 1256 wrote to memory of 1028	1256	chargeable.exe	94
PID 1028 wrote to memory of 4756	1028	chargeable.exe	97
PID 1028 wrote to memory of 4756	1028	chargeable.exe	97
PID 1028 wrote to memory of 4756	1028	chargeable.exe	97

C:\Users\Admin\AppData\Local\Temp\5d9806d592202444f84ae3e14398975c.exe
"C:\Users\Admin\AppData\Local\Temp\5d9806d592202444f84ae3e14398975c.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4824
- 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:1256
- - 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:1028
  - - 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:4756

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
116KB

MD5
e59f752d6d659cbd45d9fd628d2f186a

SHA1
dae596d6193d02c2b839db828b548934863acf83

SHA256
9e7c3f4705f045906ef372784961cfe680ad6a9181758fd5c4e2a5ad7265914a

SHA512
ec257da038e3acff9fba14599473fcfedcd8b372a615e126bc18549fe33c6571838f818b46274cc5414571ee05c734d205bd48f9cbcc26bfe7db2412dde7796a

Download Submit
memory/1028-20-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1028-27-0x0000000074900000-0x0000000074EB1000-memory.dmp

Filesize
5.7MB

Download
memory/1028-24-0x0000000074900000-0x0000000074EB1000-memory.dmp

Filesize
5.7MB

Download
memory/1028-26-0x0000000074900000-0x0000000074EB1000-memory.dmp

Filesize
5.7MB

Download
memory/1256-18-0x0000000074900000-0x0000000074EB1000-memory.dmp

Filesize
5.7MB

Download
memory/1256-19-0x0000000074900000-0x0000000074EB1000-memory.dmp

Filesize
5.7MB

Download
memory/1256-25-0x0000000074900000-0x0000000074EB1000-memory.dmp

Filesize
5.7MB

Download
memory/4824-0-0x0000000074902000-0x0000000074903000-memory.dmp

Filesize
4KB

Download
memory/4824-17-0x0000000074900000-0x0000000074EB1000-memory.dmp

Filesize
5.7MB

Download
memory/4824-2-0x0000000074900000-0x0000000074EB1000-memory.dmp

Filesize
5.7MB

Download
memory/4824-1-0x0000000074900000-0x0000000074EB1000-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