njrat | 9aafec84d6060dacd9a7c13f1cd7f37320d4215fdf64628c0098f97e1f8e855d

General

Target

9aafec84d6060dacd9a7c13f1cd7f37320d4215fdf64628c0098f97e1f8e855d.exe
Size

114KB
MD5

1acd96209fcd1434a4a8a7095645b743
SHA1

ec2ffcb8adaab965e45be5926063a9eb782e08df
SHA256

9aafec84d6060dacd9a7c13f1cd7f37320d4215fdf64628c0098f97e1f8e855d
SHA512

8ad229d4dcbf518655275dff7bd4f0baa5b4d1079f9344a8bc80f11815d114e2dc44ce8432bd3c67e7fb385c3f535274217cce04984279a7d90452f9c4ceb9df
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73RmS:w5eznsjsguGDFqGx8egoxmO3rRmS

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
4684	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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	9aafec84d6060dacd9a7c13f1cd7f37320d4215fdf64628c0098f97e1f8e855d.exe

Executes dropped EXE 2 IoCs

pid	Process
3904	chargeable.exe
3580	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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	9aafec84d6060dacd9a7c13f1cd7f37320d4215fdf64628c0098f97e1f8e855d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9aafec84d6060dacd9a7c13f1cd7f37320d4215fdf64628c0098f97e1f8e855d.exe"	9aafec84d6060dacd9a7c13f1cd7f37320d4215fdf64628c0098f97e1f8e855d.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3904 set thread context of 3580	3904	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	9aafec84d6060dacd9a7c13f1cd7f37320d4215fdf64628c0098f97e1f8e855d.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	3580	chargeable.exe
Token: 33	3580	chargeable.exe
Token: SeIncBasePriorityPrivilege	3580	chargeable.exe
Token: 33	3580	chargeable.exe
Token: SeIncBasePriorityPrivilege	3580	chargeable.exe
Token: 33	3580	chargeable.exe
Token: SeIncBasePriorityPrivilege	3580	chargeable.exe
Token: 33	3580	chargeable.exe
Token: SeIncBasePriorityPrivilege	3580	chargeable.exe
Token: 33	3580	chargeable.exe
Token: SeIncBasePriorityPrivilege	3580	chargeable.exe
Token: 33	3580	chargeable.exe
Token: SeIncBasePriorityPrivilege	3580	chargeable.exe
Token: 33	3580	chargeable.exe
Token: SeIncBasePriorityPrivilege	3580	chargeable.exe
Token: 33	3580	chargeable.exe
Token: SeIncBasePriorityPrivilege	3580	chargeable.exe
Token: 33	3580	chargeable.exe
Token: SeIncBasePriorityPrivilege	3580	chargeable.exe
Token: 33	3580	chargeable.exe
Token: SeIncBasePriorityPrivilege	3580	chargeable.exe
Token: 33	3580	chargeable.exe
Token: SeIncBasePriorityPrivilege	3580	chargeable.exe
Token: 33	3580	chargeable.exe
Token: SeIncBasePriorityPrivilege	3580	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 3904	4808	9aafec84d6060dacd9a7c13f1cd7f37320d4215fdf64628c0098f97e1f8e855d.exe	82
PID 4808 wrote to memory of 3904	4808	9aafec84d6060dacd9a7c13f1cd7f37320d4215fdf64628c0098f97e1f8e855d.exe	82
PID 4808 wrote to memory of 3904	4808	9aafec84d6060dacd9a7c13f1cd7f37320d4215fdf64628c0098f97e1f8e855d.exe	82
PID 3904 wrote to memory of 3580	3904	chargeable.exe	83
PID 3904 wrote to memory of 3580	3904	chargeable.exe	83
PID 3904 wrote to memory of 3580	3904	chargeable.exe	83
PID 3904 wrote to memory of 3580	3904	chargeable.exe	83
PID 3904 wrote to memory of 3580	3904	chargeable.exe	83
PID 3904 wrote to memory of 3580	3904	chargeable.exe	83
PID 3904 wrote to memory of 3580	3904	chargeable.exe	83
PID 3904 wrote to memory of 3580	3904	chargeable.exe	83
PID 3580 wrote to memory of 4684	3580	chargeable.exe	88
PID 3580 wrote to memory of 4684	3580	chargeable.exe	88
PID 3580 wrote to memory of 4684	3580	chargeable.exe	88

C:\Users\Admin\AppData\Local\Temp\9aafec84d6060dacd9a7c13f1cd7f37320d4215fdf64628c0098f97e1f8e855d.exe
"C:\Users\Admin\AppData\Local\Temp\9aafec84d6060dacd9a7c13f1cd7f37320d4215fdf64628c0098f97e1f8e855d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4808
- 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:3904
- - 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:3580
  - - 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:4684

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
114KB

MD5
329b4dd5f9032d22c596a5467c679131

SHA1
c2d41d9e4eb580b6ce521e7143567c1c57baef53

SHA256
283fcc22b2810d7fbfcb83fbb398c7681a0823e71d7158776966cacd8a067482

SHA512
66c78b3515d10bee252ee7f6234a3a9be73aea13a1571d1b30db0941b461ddb3b8ee1ba97ee1b15f2fdd94ff85f87a2a9c9b2bfd94399231eee400725a77ebbf

Download Submit
memory/3580-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3580-29-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/3580-28-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/3580-27-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/3904-26-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/3904-19-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/3904-21-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/4808-6-0x00000000754B2000-0x00000000754B3000-memory.dmp

Filesize
4KB

Download
memory/4808-20-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/4808-7-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/4808-0-0x00000000754B2000-0x00000000754B3000-memory.dmp

Filesize
4KB

Download
memory/4808-2-0x00000000754B0000-0x0000000075A61000-memory.dmp

Filesize
5.7MB

Download
memory/4808-1-0x00000000754B0000-0x0000000075A61000-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