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

Processes:

netsh.exe

pid	Process
180	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

Processes:

35114bc980d4d737f8f5e9c0eed79f91.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	35114bc980d4d737f8f5e9c0eed79f91.exe

Executes dropped EXE 2 IoCs

Processes:

chargeable.exechargeable.exe

pid	Process
5060	chargeable.exe
820	chargeable.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

35114bc980d4d737f8f5e9c0eed79f91.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	35114bc980d4d737f8f5e9c0eed79f91.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\35114bc980d4d737f8f5e9c0eed79f91.exe"	35114bc980d4d737f8f5e9c0eed79f91.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

chargeable.exe

description	pid	Process	procid_target
PID 5060 set thread context of 820	5060	chargeable.exe	90

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

Processes:

netsh.exe

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

Processes:

netsh.exe35114bc980d4d737f8f5e9c0eed79f91.exechargeable.exechargeable.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
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

Suspicious use of AdjustPrivilegeToken 33 IoCs

Processes:

chargeable.exe

description	pid	Process
Token: SeDebugPrivilege	820	chargeable.exe
Token: 33	820	chargeable.exe
Token: SeIncBasePriorityPrivilege	820	chargeable.exe
Token: 33	820	chargeable.exe
Token: SeIncBasePriorityPrivilege	820	chargeable.exe
Token: 33	820	chargeable.exe
Token: SeIncBasePriorityPrivilege	820	chargeable.exe
Token: 33	820	chargeable.exe
Token: SeIncBasePriorityPrivilege	820	chargeable.exe
Token: 33	820	chargeable.exe
Token: SeIncBasePriorityPrivilege	820	chargeable.exe
Token: 33	820	chargeable.exe
Token: SeIncBasePriorityPrivilege	820	chargeable.exe
Token: 33	820	chargeable.exe
Token: SeIncBasePriorityPrivilege	820	chargeable.exe
Token: 33	820	chargeable.exe
Token: SeIncBasePriorityPrivilege	820	chargeable.exe
Token: 33	820	chargeable.exe
Token: SeIncBasePriorityPrivilege	820	chargeable.exe
Token: 33	820	chargeable.exe
Token: SeIncBasePriorityPrivilege	820	chargeable.exe
Token: 33	820	chargeable.exe
Token: SeIncBasePriorityPrivilege	820	chargeable.exe
Token: 33	820	chargeable.exe
Token: SeIncBasePriorityPrivilege	820	chargeable.exe
Token: 33	820	chargeable.exe
Token: SeIncBasePriorityPrivilege	820	chargeable.exe
Token: 33	820	chargeable.exe
Token: SeIncBasePriorityPrivilege	820	chargeable.exe
Token: 33	820	chargeable.exe
Token: SeIncBasePriorityPrivilege	820	chargeable.exe
Token: 33	820	chargeable.exe
Token: SeIncBasePriorityPrivilege	820	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

35114bc980d4d737f8f5e9c0eed79f91.exechargeable.exechargeable.exe

description	pid	Process	procid_target
PID 3976 wrote to memory of 5060	3976	35114bc980d4d737f8f5e9c0eed79f91.exe	87
PID 3976 wrote to memory of 5060	3976	35114bc980d4d737f8f5e9c0eed79f91.exe	87
PID 3976 wrote to memory of 5060	3976	35114bc980d4d737f8f5e9c0eed79f91.exe	87
PID 5060 wrote to memory of 820	5060	chargeable.exe	90
PID 5060 wrote to memory of 820	5060	chargeable.exe	90
PID 5060 wrote to memory of 820	5060	chargeable.exe	90
PID 5060 wrote to memory of 820	5060	chargeable.exe	90
PID 5060 wrote to memory of 820	5060	chargeable.exe	90
PID 5060 wrote to memory of 820	5060	chargeable.exe	90
PID 5060 wrote to memory of 820	5060	chargeable.exe	90
PID 5060 wrote to memory of 820	5060	chargeable.exe	90
PID 820 wrote to memory of 180	820	chargeable.exe	91
PID 820 wrote to memory of 180	820	chargeable.exe	91
PID 820 wrote to memory of 180	820	chargeable.exe	91

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:3976
- 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:5060
- - 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:820
  - - 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:180

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
edbd321e5659a42e25539a0232d34082

SHA1
f363e71ca05c4a175b8a92467cea98c420acdd10

SHA256
d0a873d6fb94d191b329d5e52fbd646eb28b32f3a0dcf987a6548f07913bbc7f

SHA512
da05e1dbaec6b18d28c22b7052d36ac72c38cf2df4ee36ef0adfff8aebf64906d78ec91ada40e9a2f62f27efeac70c08b143e7dc4ed1a72b5ba5fb5176f9e717

Download Submit
memory/820-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/820-30-0x0000000075330000-0x00000000758E1000-memory.dmp

Filesize
5.7MB

Download
memory/820-29-0x0000000075330000-0x00000000758E1000-memory.dmp

Filesize
5.7MB

Download
memory/820-28-0x0000000075330000-0x00000000758E1000-memory.dmp

Filesize
5.7MB

Download
memory/820-26-0x0000000075330000-0x00000000758E1000-memory.dmp

Filesize
5.7MB

Download
memory/3976-7-0x0000000075330000-0x00000000758E1000-memory.dmp

Filesize
5.7MB

Download
memory/3976-19-0x0000000075330000-0x00000000758E1000-memory.dmp

Filesize
5.7MB

Download
memory/3976-0-0x0000000075332000-0x0000000075333000-memory.dmp

Filesize
4KB

Download
memory/3976-6-0x0000000075332000-0x0000000075333000-memory.dmp

Filesize
4KB

Download
memory/3976-2-0x0000000075330000-0x00000000758E1000-memory.dmp

Filesize
5.7MB

Download
memory/3976-1-0x0000000075330000-0x00000000758E1000-memory.dmp

Filesize
5.7MB

Download
memory/5060-21-0x0000000075330000-0x00000000758E1000-memory.dmp

Filesize
5.7MB

Download
memory/5060-20-0x0000000075330000-0x00000000758E1000-memory.dmp

Filesize
5.7MB

Download
memory/5060-27-0x0000000075330000-0x00000000758E1000-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