njrat | 3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960

General

Target

3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exe
Size

114KB
MD5

107f97dc8dd9edb0daa63073ae4298a6
SHA1

243d1108282836ea718fe8c27bb5b8f3b30a0bab
SHA256

3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960
SHA512

21e0ab98d15668ec5b56c0c902f1ef5109515c5da8abf431ad7e2190a063431c8e48199882d5da2cb4432754a4a72ef292ad40afaca39feec5bdd40e1990dd54
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73Ro:w5eznsjsguGDFqGx8egoxmO3rRo

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
1308	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:

3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exe

Executes dropped EXE 2 IoCs

Processes:

chargeable.exechargeable.exe

pid	Process
2072	chargeable.exe
1296	chargeable.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exe

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"	3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.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\\3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exe"	3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

chargeable.exe

description	pid	Process	procid_target
PID 2072 set thread context of 1296	2072	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:

chargeable.exenetsh.exe3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exechargeable.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

chargeable.exe

description	pid	Process
Token: SeDebugPrivilege	1296	chargeable.exe
Token: 33	1296	chargeable.exe
Token: SeIncBasePriorityPrivilege	1296	chargeable.exe
Token: 33	1296	chargeable.exe
Token: SeIncBasePriorityPrivilege	1296	chargeable.exe
Token: 33	1296	chargeable.exe
Token: SeIncBasePriorityPrivilege	1296	chargeable.exe
Token: 33	1296	chargeable.exe
Token: SeIncBasePriorityPrivilege	1296	chargeable.exe
Token: 33	1296	chargeable.exe
Token: SeIncBasePriorityPrivilege	1296	chargeable.exe
Token: 33	1296	chargeable.exe
Token: SeIncBasePriorityPrivilege	1296	chargeable.exe
Token: 33	1296	chargeable.exe
Token: SeIncBasePriorityPrivilege	1296	chargeable.exe
Token: 33	1296	chargeable.exe
Token: SeIncBasePriorityPrivilege	1296	chargeable.exe
Token: 33	1296	chargeable.exe
Token: SeIncBasePriorityPrivilege	1296	chargeable.exe
Token: 33	1296	chargeable.exe
Token: SeIncBasePriorityPrivilege	1296	chargeable.exe
Token: 33	1296	chargeable.exe
Token: SeIncBasePriorityPrivilege	1296	chargeable.exe
Token: 33	1296	chargeable.exe
Token: SeIncBasePriorityPrivilege	1296	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exechargeable.exechargeable.exe

description	pid	Process	procid_target
PID 1512 wrote to memory of 2072	1512	3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exe	89
PID 1512 wrote to memory of 2072	1512	3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exe	89
PID 1512 wrote to memory of 2072	1512	3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exe	89
PID 2072 wrote to memory of 1296	2072	chargeable.exe	90
PID 2072 wrote to memory of 1296	2072	chargeable.exe	90
PID 2072 wrote to memory of 1296	2072	chargeable.exe	90
PID 2072 wrote to memory of 1296	2072	chargeable.exe	90
PID 2072 wrote to memory of 1296	2072	chargeable.exe	90
PID 2072 wrote to memory of 1296	2072	chargeable.exe	90
PID 2072 wrote to memory of 1296	2072	chargeable.exe	90
PID 2072 wrote to memory of 1296	2072	chargeable.exe	90
PID 1296 wrote to memory of 1308	1296	chargeable.exe	91
PID 1296 wrote to memory of 1308	1296	chargeable.exe	91
PID 1296 wrote to memory of 1308	1296	chargeable.exe	91

C:\Users\Admin\AppData\Local\Temp\3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exe
"C:\Users\Admin\AppData\Local\Temp\3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1512
- 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:2072
- - 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:1296
  - - 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:1308

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
705f238f516c5580becb6fd83eccaa26

SHA1
aa8f3108eab153eb741cd6cc0d249232358c4d97

SHA256
47cdd677eb2c64de5dcbba299124eb42083ea730ce7d80f9d5da55b33847470a

SHA512
bc2e8a6bd4a9fb11797fed124fe946ba73428c2b10a82d57b727e22cc27c5aaa28784b53c1134fd194aef45456d1feb0ee96bb97d804d799a50519d71f4791ce

Download Submit
memory/1296-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1296-29-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/1296-28-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/1296-27-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/1512-6-0x0000000075522000-0x0000000075523000-memory.dmp

Filesize
4KB

Download
memory/1512-21-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/1512-7-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/1512-0-0x0000000075522000-0x0000000075523000-memory.dmp

Filesize
4KB

Download
memory/1512-2-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/1512-1-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/2072-20-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/2072-19-0x0000000075520000-0x0000000075AD1000-memory.dmp

Filesize
5.7MB

Download
memory/2072-26-0x0000000075520000-0x0000000075AD1000-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