njrat | e8a3d233bddd32adb9dcc4aef9441a03476def439c92700467d8ec3fd109564d

General

Target

e8a3d233bddd32adb9dcc4aef9441a03476def439c92700467d8ec3fd109564dN.exe
Size

114KB
MD5

8b6cfd73d676efe9f464c5cca2a80a00
SHA1

140e51c091e14165410abaa71ecbfa938fb2fdd8
SHA256

e8a3d233bddd32adb9dcc4aef9441a03476def439c92700467d8ec3fd109564d
SHA512

3de7425c220088951cfb50fad6c2ff8d4fc0a4a0daca11a829abcc92ff933d6405677ea91a8bf44984c6b8d20f0f0c60e7af09ad828b8cb521645ab00227df7f
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73RT:w5eznsjsguGDFqGx8egoxmO3rRT

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
4328	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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	e8a3d233bddd32adb9dcc4aef9441a03476def439c92700467d8ec3fd109564dN.exe

Executes dropped EXE 2 IoCs

pid	Process
4940	chargeable.exe
2340	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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	e8a3d233bddd32adb9dcc4aef9441a03476def439c92700467d8ec3fd109564dN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e8a3d233bddd32adb9dcc4aef9441a03476def439c92700467d8ec3fd109564dN.exe"	e8a3d233bddd32adb9dcc4aef9441a03476def439c92700467d8ec3fd109564dN.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4940 set thread context of 2340	4940	chargeable.exe	85

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	e8a3d233bddd32adb9dcc4aef9441a03476def439c92700467d8ec3fd109564dN.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	2340	chargeable.exe
Token: 33	2340	chargeable.exe
Token: SeIncBasePriorityPrivilege	2340	chargeable.exe
Token: 33	2340	chargeable.exe
Token: SeIncBasePriorityPrivilege	2340	chargeable.exe
Token: 33	2340	chargeable.exe
Token: SeIncBasePriorityPrivilege	2340	chargeable.exe
Token: 33	2340	chargeable.exe
Token: SeIncBasePriorityPrivilege	2340	chargeable.exe
Token: 33	2340	chargeable.exe
Token: SeIncBasePriorityPrivilege	2340	chargeable.exe
Token: 33	2340	chargeable.exe
Token: SeIncBasePriorityPrivilege	2340	chargeable.exe
Token: 33	2340	chargeable.exe
Token: SeIncBasePriorityPrivilege	2340	chargeable.exe
Token: 33	2340	chargeable.exe
Token: SeIncBasePriorityPrivilege	2340	chargeable.exe
Token: 33	2340	chargeable.exe
Token: SeIncBasePriorityPrivilege	2340	chargeable.exe
Token: 33	2340	chargeable.exe
Token: SeIncBasePriorityPrivilege	2340	chargeable.exe
Token: 33	2340	chargeable.exe
Token: SeIncBasePriorityPrivilege	2340	chargeable.exe
Token: 33	2340	chargeable.exe
Token: SeIncBasePriorityPrivilege	2340	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3668 wrote to memory of 4940	3668	e8a3d233bddd32adb9dcc4aef9441a03476def439c92700467d8ec3fd109564dN.exe	82
PID 3668 wrote to memory of 4940	3668	e8a3d233bddd32adb9dcc4aef9441a03476def439c92700467d8ec3fd109564dN.exe	82
PID 3668 wrote to memory of 4940	3668	e8a3d233bddd32adb9dcc4aef9441a03476def439c92700467d8ec3fd109564dN.exe	82
PID 4940 wrote to memory of 2340	4940	chargeable.exe	85
PID 4940 wrote to memory of 2340	4940	chargeable.exe	85
PID 4940 wrote to memory of 2340	4940	chargeable.exe	85
PID 4940 wrote to memory of 2340	4940	chargeable.exe	85
PID 4940 wrote to memory of 2340	4940	chargeable.exe	85
PID 4940 wrote to memory of 2340	4940	chargeable.exe	85
PID 4940 wrote to memory of 2340	4940	chargeable.exe	85
PID 4940 wrote to memory of 2340	4940	chargeable.exe	85
PID 2340 wrote to memory of 4328	2340	chargeable.exe	89
PID 2340 wrote to memory of 4328	2340	chargeable.exe	89
PID 2340 wrote to memory of 4328	2340	chargeable.exe	89

C:\Users\Admin\AppData\Local\Temp\e8a3d233bddd32adb9dcc4aef9441a03476def439c92700467d8ec3fd109564dN.exe
"C:\Users\Admin\AppData\Local\Temp\e8a3d233bddd32adb9dcc4aef9441a03476def439c92700467d8ec3fd109564dN.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3668
- 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:4940
- - 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:2340
  - - 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:4328

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
115KB

MD5
4d9af1e81a7132fcd2b264c2ff518f6d

SHA1
382fb435f1d355e36ddac50b96734239e5eb50a2

SHA256
db292a95b56946ec2b8df172e296a87719ecc750d74eeffce27c8ef59b3d3c56

SHA512
21a5fe04a534245eec1c3e05a8cd17a133843529c0bd61cf90ac151e093480dab18795ea3a580e48871292d9738b9b088d7f4615333e9c175575909363462e4b

Download Submit
memory/2340-28-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/2340-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2340-30-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/2340-29-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/3668-0-0x0000000074EA2000-0x0000000074EA3000-memory.dmp

Filesize
4KB

Download
memory/3668-19-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/3668-1-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/3668-6-0x0000000074EA2000-0x0000000074EA3000-memory.dmp

Filesize
4KB

Download
memory/3668-8-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/3668-2-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4940-20-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4940-22-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4940-21-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4940-27-0x0000000074EA0000-0x0000000075451000-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