njrat | dc2ceb535e34fd0e54e87cce63d3ef05d5987b4e367f2158293486e5e07377a5

General

Target

7d77e5b9c5652a18f5b17db180acfb3b.exe
Size

113KB
MD5

7d77e5b9c5652a18f5b17db180acfb3b
SHA1

89e6748c7b986bdcff0f6a7452e9e77c88d983b6
SHA256

dc2ceb535e34fd0e54e87cce63d3ef05d5987b4e367f2158293486e5e07377a5
SHA512

68aea0bca577f83cb7e9c8c50fea2292302d5a1b8a501494a8de3416ab949f7050054c0cb47cf4296db3a43c982124e817c4d0ae1c6571b6a55d2b7127aa4833
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73Rm:w5eznsjsguGDFqGx8egoxmO3rRm

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
2916	netsh.exe

Executes dropped EXE 2 IoCs

Processes:

chargeable.exechargeable.exe

pid	Process
1980	chargeable.exe
2884	chargeable.exe

Loads dropped DLL 2 IoCs

Processes:

7d77e5b9c5652a18f5b17db180acfb3b.exe

pid	Process
2000	7d77e5b9c5652a18f5b17db180acfb3b.exe
2000	7d77e5b9c5652a18f5b17db180acfb3b.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

7d77e5b9c5652a18f5b17db180acfb3b.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	7d77e5b9c5652a18f5b17db180acfb3b.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7d77e5b9c5652a18f5b17db180acfb3b.exe"	7d77e5b9c5652a18f5b17db180acfb3b.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

chargeable.exe

description	pid	Process	procid_target
PID 1980 set thread context of 2884	1980	chargeable.exe	32

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 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

Processes:

7d77e5b9c5652a18f5b17db180acfb3b.exechargeable.exechargeable.exenetsh.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7d77e5b9c5652a18f5b17db180acfb3b.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 33 IoCs

Processes:

chargeable.exe

description	pid	Process
Token: SeDebugPrivilege	2884	chargeable.exe
Token: 33	2884	chargeable.exe
Token: SeIncBasePriorityPrivilege	2884	chargeable.exe
Token: 33	2884	chargeable.exe
Token: SeIncBasePriorityPrivilege	2884	chargeable.exe
Token: 33	2884	chargeable.exe
Token: SeIncBasePriorityPrivilege	2884	chargeable.exe
Token: 33	2884	chargeable.exe
Token: SeIncBasePriorityPrivilege	2884	chargeable.exe
Token: 33	2884	chargeable.exe
Token: SeIncBasePriorityPrivilege	2884	chargeable.exe
Token: 33	2884	chargeable.exe
Token: SeIncBasePriorityPrivilege	2884	chargeable.exe
Token: 33	2884	chargeable.exe
Token: SeIncBasePriorityPrivilege	2884	chargeable.exe
Token: 33	2884	chargeable.exe
Token: SeIncBasePriorityPrivilege	2884	chargeable.exe
Token: 33	2884	chargeable.exe
Token: SeIncBasePriorityPrivilege	2884	chargeable.exe
Token: 33	2884	chargeable.exe
Token: SeIncBasePriorityPrivilege	2884	chargeable.exe
Token: 33	2884	chargeable.exe
Token: SeIncBasePriorityPrivilege	2884	chargeable.exe
Token: 33	2884	chargeable.exe
Token: SeIncBasePriorityPrivilege	2884	chargeable.exe
Token: 33	2884	chargeable.exe
Token: SeIncBasePriorityPrivilege	2884	chargeable.exe
Token: 33	2884	chargeable.exe
Token: SeIncBasePriorityPrivilege	2884	chargeable.exe
Token: 33	2884	chargeable.exe
Token: SeIncBasePriorityPrivilege	2884	chargeable.exe
Token: 33	2884	chargeable.exe
Token: SeIncBasePriorityPrivilege	2884	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

7d77e5b9c5652a18f5b17db180acfb3b.exechargeable.exechargeable.exe

description	pid	Process	procid_target
PID 2000 wrote to memory of 1980	2000	7d77e5b9c5652a18f5b17db180acfb3b.exe	31
PID 2000 wrote to memory of 1980	2000	7d77e5b9c5652a18f5b17db180acfb3b.exe	31
PID 2000 wrote to memory of 1980	2000	7d77e5b9c5652a18f5b17db180acfb3b.exe	31
PID 2000 wrote to memory of 1980	2000	7d77e5b9c5652a18f5b17db180acfb3b.exe	31
PID 1980 wrote to memory of 2884	1980	chargeable.exe	32
PID 1980 wrote to memory of 2884	1980	chargeable.exe	32
PID 1980 wrote to memory of 2884	1980	chargeable.exe	32
PID 1980 wrote to memory of 2884	1980	chargeable.exe	32
PID 1980 wrote to memory of 2884	1980	chargeable.exe	32
PID 1980 wrote to memory of 2884	1980	chargeable.exe	32
PID 1980 wrote to memory of 2884	1980	chargeable.exe	32
PID 1980 wrote to memory of 2884	1980	chargeable.exe	32
PID 1980 wrote to memory of 2884	1980	chargeable.exe	32
PID 2884 wrote to memory of 2916	2884	chargeable.exe	33
PID 2884 wrote to memory of 2916	2884	chargeable.exe	33
PID 2884 wrote to memory of 2916	2884	chargeable.exe	33
PID 2884 wrote to memory of 2916	2884	chargeable.exe	33

C:\Users\Admin\AppData\Local\Temp\7d77e5b9c5652a18f5b17db180acfb3b.exe
"C:\Users\Admin\AppData\Local\Temp\7d77e5b9c5652a18f5b17db180acfb3b.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2000
- 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:1980
- - 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:2884
  - - 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:2916

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

System Information Discovery

1

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

\Users\Admin\AppData\Roaming\confuse\chargeable.exe

Filesize
113KB

MD5
cda1f938afa02abffae33a19ed405c1a

SHA1
2c46ee495eb8799c2c0b9e01ed5c67ed32150ed0

SHA256
2011e16d188ed9237108fab38c8f571e7c37897d167e3fb0c51c9bd936e71bf1

SHA512
b6a50727247b39272db376d5950e2949db8b18e19559769aceed71d059e5ca703bd8dbb1012f60606f52bc8c630e6c827e1a127883cfe39d4df9b835343fc57c

Download Submit
memory/1980-16-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/1980-27-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/1980-26-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/1980-18-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/1980-17-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/2000-6-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/2000-2-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/2000-19-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/2000-0-0x0000000074D91000-0x0000000074D92000-memory.dmp

Filesize
4KB

Download
memory/2000-1-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/2884-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2884-25-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2884-20-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads