njrat | b7680b33b2552fffc6be3fd01c7a38345f0a9919f3dc7e6d138cf5b94fe3f5ab

General

Target

b7680b33b2552fffc6be3fd01c7a38345f0a9919f3dc7e6d138cf5b94fe3f5abN.exe
Size

118KB
MD5

659e5779fb844ef0f4cffcdf8f8adc40
SHA1

ff803efdcb9cd3735012591e238e15cc55b55e44
SHA256

b7680b33b2552fffc6be3fd01c7a38345f0a9919f3dc7e6d138cf5b94fe3f5ab
SHA512

626fd79651a226c9945cab61a6152eed1e742b7f317b51c7558d074ebae85e16ce9f1c9248a008b298bd116753754d913f2410d4f9c08417bee06b120d9f87a1
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVgt:P5eznsjsguGDFqGZ2rDLE

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
932	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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	b7680b33b2552fffc6be3fd01c7a38345f0a9919f3dc7e6d138cf5b94fe3f5abN.exe

Executes dropped EXE 2 IoCs

pid	Process
3160	chargeable.exe
4856	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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	b7680b33b2552fffc6be3fd01c7a38345f0a9919f3dc7e6d138cf5b94fe3f5abN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b7680b33b2552fffc6be3fd01c7a38345f0a9919f3dc7e6d138cf5b94fe3f5abN.exe"	b7680b33b2552fffc6be3fd01c7a38345f0a9919f3dc7e6d138cf5b94fe3f5abN.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3160 set thread context of 4856	3160	chargeable.exe	92

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	b7680b33b2552fffc6be3fd01c7a38345f0a9919f3dc7e6d138cf5b94fe3f5abN.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	4856	chargeable.exe
Token: 33	4856	chargeable.exe
Token: SeIncBasePriorityPrivilege	4856	chargeable.exe
Token: 33	4856	chargeable.exe
Token: SeIncBasePriorityPrivilege	4856	chargeable.exe
Token: 33	4856	chargeable.exe
Token: SeIncBasePriorityPrivilege	4856	chargeable.exe
Token: 33	4856	chargeable.exe
Token: SeIncBasePriorityPrivilege	4856	chargeable.exe
Token: 33	4856	chargeable.exe
Token: SeIncBasePriorityPrivilege	4856	chargeable.exe
Token: 33	4856	chargeable.exe
Token: SeIncBasePriorityPrivilege	4856	chargeable.exe
Token: 33	4856	chargeable.exe
Token: SeIncBasePriorityPrivilege	4856	chargeable.exe
Token: 33	4856	chargeable.exe
Token: SeIncBasePriorityPrivilege	4856	chargeable.exe
Token: 33	4856	chargeable.exe
Token: SeIncBasePriorityPrivilege	4856	chargeable.exe
Token: 33	4856	chargeable.exe
Token: SeIncBasePriorityPrivilege	4856	chargeable.exe
Token: 33	4856	chargeable.exe
Token: SeIncBasePriorityPrivilege	4856	chargeable.exe
Token: 33	4856	chargeable.exe
Token: SeIncBasePriorityPrivilege	4856	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 3160	1544	b7680b33b2552fffc6be3fd01c7a38345f0a9919f3dc7e6d138cf5b94fe3f5abN.exe	89
PID 1544 wrote to memory of 3160	1544	b7680b33b2552fffc6be3fd01c7a38345f0a9919f3dc7e6d138cf5b94fe3f5abN.exe	89
PID 1544 wrote to memory of 3160	1544	b7680b33b2552fffc6be3fd01c7a38345f0a9919f3dc7e6d138cf5b94fe3f5abN.exe	89
PID 3160 wrote to memory of 4856	3160	chargeable.exe	92
PID 3160 wrote to memory of 4856	3160	chargeable.exe	92
PID 3160 wrote to memory of 4856	3160	chargeable.exe	92
PID 3160 wrote to memory of 4856	3160	chargeable.exe	92
PID 3160 wrote to memory of 4856	3160	chargeable.exe	92
PID 3160 wrote to memory of 4856	3160	chargeable.exe	92
PID 3160 wrote to memory of 4856	3160	chargeable.exe	92
PID 3160 wrote to memory of 4856	3160	chargeable.exe	92
PID 4856 wrote to memory of 932	4856	chargeable.exe	97
PID 4856 wrote to memory of 932	4856	chargeable.exe	97
PID 4856 wrote to memory of 932	4856	chargeable.exe	97

C:\Users\Admin\AppData\Local\Temp\b7680b33b2552fffc6be3fd01c7a38345f0a9919f3dc7e6d138cf5b94fe3f5abN.exe
"C:\Users\Admin\AppData\Local\Temp\b7680b33b2552fffc6be3fd01c7a38345f0a9919f3dc7e6d138cf5b94fe3f5abN.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1544
- 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:3160
- - 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:4856
  - - 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:932

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
118KB

MD5
b8caec68555bef018c1c49289a78d0af

SHA1
7514c91a4d3d384c684406444daaa963bfa23583

SHA256
90314ad9277a0cb60ec1e237a9ae14b34390d646769a2d03437844c24c336562

SHA512
60e048b48dde83d2e5cc93c524ba185b6bd2d1a2a32ae29e5e8876698f164f7fcdb95f6bc9823eac19b21fddcca867d52884e0d194799b2465419cdba99cfb4e

Download Submit
memory/1544-6-0x00000000751F2000-0x00000000751F3000-memory.dmp

Filesize
4KB

Download
memory/1544-0-0x00000000751F2000-0x00000000751F3000-memory.dmp

Filesize
4KB

Download
memory/1544-7-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/1544-2-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/1544-19-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/1544-1-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/3160-20-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/3160-27-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/4856-21-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4856-25-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/4856-26-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/4856-28-0x00000000751F0000-0x00000000757A1000-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