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
1052	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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exe

Executes dropped EXE 2 IoCs

Processes:

chargeable.exechargeable.exe

pid	Process
392	chargeable.exe
3492	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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exe"	3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

chargeable.exe

description	pid	Process	procid_target
PID 392 set thread context of 3492	392	chargeable.exe	96

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.exechargeable.exenetsh.exe3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exe

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

Suspicious use of AdjustPrivilegeToken 33 IoCs

Processes:

chargeable.exe

description	pid	Process
Token: SeDebugPrivilege	3492	chargeable.exe
Token: 33	3492	chargeable.exe
Token: SeIncBasePriorityPrivilege	3492	chargeable.exe
Token: 33	3492	chargeable.exe
Token: SeIncBasePriorityPrivilege	3492	chargeable.exe
Token: 33	3492	chargeable.exe
Token: SeIncBasePriorityPrivilege	3492	chargeable.exe
Token: 33	3492	chargeable.exe
Token: SeIncBasePriorityPrivilege	3492	chargeable.exe
Token: 33	3492	chargeable.exe
Token: SeIncBasePriorityPrivilege	3492	chargeable.exe
Token: 33	3492	chargeable.exe
Token: SeIncBasePriorityPrivilege	3492	chargeable.exe
Token: 33	3492	chargeable.exe
Token: SeIncBasePriorityPrivilege	3492	chargeable.exe
Token: 33	3492	chargeable.exe
Token: SeIncBasePriorityPrivilege	3492	chargeable.exe
Token: 33	3492	chargeable.exe
Token: SeIncBasePriorityPrivilege	3492	chargeable.exe
Token: 33	3492	chargeable.exe
Token: SeIncBasePriorityPrivilege	3492	chargeable.exe
Token: 33	3492	chargeable.exe
Token: SeIncBasePriorityPrivilege	3492	chargeable.exe
Token: 33	3492	chargeable.exe
Token: SeIncBasePriorityPrivilege	3492	chargeable.exe
Token: 33	3492	chargeable.exe
Token: SeIncBasePriorityPrivilege	3492	chargeable.exe
Token: 33	3492	chargeable.exe
Token: SeIncBasePriorityPrivilege	3492	chargeable.exe
Token: 33	3492	chargeable.exe
Token: SeIncBasePriorityPrivilege	3492	chargeable.exe
Token: 33	3492	chargeable.exe
Token: SeIncBasePriorityPrivilege	3492	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exechargeable.exechargeable.exe

description	pid	Process	procid_target
PID 4444 wrote to memory of 392	4444	3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exe	95
PID 4444 wrote to memory of 392	4444	3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exe	95
PID 4444 wrote to memory of 392	4444	3fac6c0a335aa812d84682e33dd1c78b70ed6fe8ce2c5aed323d297190d7e960.exe	95
PID 392 wrote to memory of 3492	392	chargeable.exe	96
PID 392 wrote to memory of 3492	392	chargeable.exe	96
PID 392 wrote to memory of 3492	392	chargeable.exe	96
PID 392 wrote to memory of 3492	392	chargeable.exe	96
PID 392 wrote to memory of 3492	392	chargeable.exe	96
PID 392 wrote to memory of 3492	392	chargeable.exe	96
PID 392 wrote to memory of 3492	392	chargeable.exe	96
PID 392 wrote to memory of 3492	392	chargeable.exe	96
PID 3492 wrote to memory of 1052	3492	chargeable.exe	97
PID 3492 wrote to memory of 1052	3492	chargeable.exe	97
PID 3492 wrote to memory of 1052	3492	chargeable.exe	97

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:4444
- 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:392
- - 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:3492
  - - 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:1052

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
b12c902b76762630f396cee151241677

SHA1
cf5992df282d9ed9cdcb9d904eedeb6bfe831651

SHA256
f47f9655b98b196937a6305e328a72603b5484c0a5e73dbc9d365d7e95efedf4

SHA512
e49d8a2e6d7eca2abcfd642f0ad646b5f4d98e634aef17b7e7418b89ecf1d6c283b57185d3023c5530413d14ce158961655afb71675c587ea4b7037ccb3a3965

Download Submit
memory/392-21-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/392-23-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/392-28-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/392-22-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/3492-31-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/3492-30-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/3492-29-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/3492-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4444-20-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/4444-0-0x0000000075212000-0x0000000075213000-memory.dmp

Filesize
4KB

Download
memory/4444-1-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/4444-19-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/4444-6-0x0000000075212000-0x0000000075213000-memory.dmp

Filesize
4KB

Download
memory/4444-2-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/4444-7-0x0000000075210000-0x00000000757C1000-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