njrat | 46d830502f6f71e10e491a7d9c065be07923d57b948961c22e9df3b1fac1047f

General

Target

de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe
Size

113KB
MD5

a2208dc08acff4984edae1a282a6aea5
SHA1

0031d2c9dfafbc1b58a9185c31a4d5983d0a72d2
SHA256

46d830502f6f71e10e491a7d9c065be07923d57b948961c22e9df3b1fac1047f
SHA512

676708b052a60d677609d668d53f62901c61d4151bf372e73b5cfac4587c8f5b43911eb4f91ad7eb34622a37fedb86a8412b2504d0bee58031bda8a1bf7aec5f
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73R/:w5eznsjsguGDFqGx8egoxmO3rR/

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
3216	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe

Executes dropped EXE 2 IoCs

pid	Process
740	chargeable.exe
836	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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.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\\de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe"	de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 740 set thread context of 836	740	chargeable.exe	95

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	de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.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	836	chargeable.exe
Token: 33	836	chargeable.exe
Token: SeIncBasePriorityPrivilege	836	chargeable.exe
Token: 33	836	chargeable.exe
Token: SeIncBasePriorityPrivilege	836	chargeable.exe
Token: 33	836	chargeable.exe
Token: SeIncBasePriorityPrivilege	836	chargeable.exe
Token: 33	836	chargeable.exe
Token: SeIncBasePriorityPrivilege	836	chargeable.exe
Token: 33	836	chargeable.exe
Token: SeIncBasePriorityPrivilege	836	chargeable.exe
Token: 33	836	chargeable.exe
Token: SeIncBasePriorityPrivilege	836	chargeable.exe
Token: 33	836	chargeable.exe
Token: SeIncBasePriorityPrivilege	836	chargeable.exe
Token: 33	836	chargeable.exe
Token: SeIncBasePriorityPrivilege	836	chargeable.exe
Token: 33	836	chargeable.exe
Token: SeIncBasePriorityPrivilege	836	chargeable.exe
Token: 33	836	chargeable.exe
Token: SeIncBasePriorityPrivilege	836	chargeable.exe
Token: 33	836	chargeable.exe
Token: SeIncBasePriorityPrivilege	836	chargeable.exe
Token: 33	836	chargeable.exe
Token: SeIncBasePriorityPrivilege	836	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 740	2816	de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe	92
PID 2816 wrote to memory of 740	2816	de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe	92
PID 2816 wrote to memory of 740	2816	de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe	92
PID 740 wrote to memory of 836	740	chargeable.exe	95
PID 740 wrote to memory of 836	740	chargeable.exe	95
PID 740 wrote to memory of 836	740	chargeable.exe	95
PID 740 wrote to memory of 836	740	chargeable.exe	95
PID 740 wrote to memory of 836	740	chargeable.exe	95
PID 740 wrote to memory of 836	740	chargeable.exe	95
PID 740 wrote to memory of 836	740	chargeable.exe	95
PID 740 wrote to memory of 836	740	chargeable.exe	95
PID 836 wrote to memory of 3216	836	chargeable.exe	96
PID 836 wrote to memory of 3216	836	chargeable.exe	96
PID 836 wrote to memory of 3216	836	chargeable.exe	96

C:\Users\Admin\AppData\Local\Temp\de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe
"C:\Users\Admin\AppData\Local\Temp\de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816
- 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:740
- - 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:836
  - - 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:3216

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
d7fbc1a1cf992fd0b3aab52e633aed29

SHA1
14753b3e97deaf41fd7c74622fb0f020685a50b2

SHA256
c886c44b1029c473c2b8839bc836893cc8f65b5f8c304cea654fe073edcdd275

SHA512
211c7adfae01ba73d3918ffa8034a25e1a63f1599cf9cdcdf892634b5692c1666cefe6f08ff01f681e32ff3ed6a548430026900de7b7352c94217df4f4716833

Download Submit
memory/740-21-0x0000000074E30000-0x00000000753E1000-memory.dmp

Filesize
5.7MB

Download
memory/740-23-0x0000000074E30000-0x00000000753E1000-memory.dmp

Filesize
5.7MB

Download
memory/740-28-0x0000000074E30000-0x00000000753E1000-memory.dmp

Filesize
5.7MB

Download
memory/740-22-0x0000000074E30000-0x00000000753E1000-memory.dmp

Filesize
5.7MB

Download
memory/836-31-0x0000000074E30000-0x00000000753E1000-memory.dmp

Filesize
5.7MB

Download
memory/836-30-0x0000000074E30000-0x00000000753E1000-memory.dmp

Filesize
5.7MB

Download
memory/836-29-0x0000000074E30000-0x00000000753E1000-memory.dmp

Filesize
5.7MB

Download
memory/836-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2816-19-0x0000000074E30000-0x00000000753E1000-memory.dmp

Filesize
5.7MB

Download
memory/2816-0-0x0000000074E32000-0x0000000074E33000-memory.dmp

Filesize
4KB

Download
memory/2816-1-0x0000000074E30000-0x00000000753E1000-memory.dmp

Filesize
5.7MB

Download
memory/2816-20-0x0000000074E30000-0x00000000753E1000-memory.dmp

Filesize
5.7MB

Download
memory/2816-6-0x0000000074E32000-0x0000000074E33000-memory.dmp

Filesize
4KB

Download
memory/2816-2-0x0000000074E30000-0x00000000753E1000-memory.dmp

Filesize
5.7MB

Download
memory/2816-7-0x0000000074E30000-0x00000000753E1000-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