njrat | 9c4a8754b33ce64ac8b9ad46c87eb992242a60342a58f6ff7f630b5916eadb26

General

Target

9c4a8754b33ce64ac8b9ad46c87eb992242a60342a58f6ff7f630b5916eadb26N.exe
Size

114KB
MD5

a70e9a0b6e54cdba31723ff0bb7f1050
SHA1

861f0d312565f193d018fad53bfd309afc13800a
SHA256

9c4a8754b33ce64ac8b9ad46c87eb992242a60342a58f6ff7f630b5916eadb26
SHA512

fb08d3ba54ada5b588e2db6f35ce0d3001cc18f6782726149d5108f243bca4a172e5304ba8e801b57c150984c5f73cf169e8e3cfccf1c2f516b13db38f32b9ba
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73vdb:w5eznsjsguGDFqGx8egoxmO3rvp

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
3624	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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	9c4a8754b33ce64ac8b9ad46c87eb992242a60342a58f6ff7f630b5916eadb26N.exe

Executes dropped EXE 2 IoCs

pid	Process
4248	chargeable.exe
4848	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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	9c4a8754b33ce64ac8b9ad46c87eb992242a60342a58f6ff7f630b5916eadb26N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9c4a8754b33ce64ac8b9ad46c87eb992242a60342a58f6ff7f630b5916eadb26N.exe"	9c4a8754b33ce64ac8b9ad46c87eb992242a60342a58f6ff7f630b5916eadb26N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4248 set thread context of 4848	4248	chargeable.exe	83

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	9c4a8754b33ce64ac8b9ad46c87eb992242a60342a58f6ff7f630b5916eadb26N.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	4848	chargeable.exe
Token: 33	4848	chargeable.exe
Token: SeIncBasePriorityPrivilege	4848	chargeable.exe
Token: 33	4848	chargeable.exe
Token: SeIncBasePriorityPrivilege	4848	chargeable.exe
Token: 33	4848	chargeable.exe
Token: SeIncBasePriorityPrivilege	4848	chargeable.exe
Token: 33	4848	chargeable.exe
Token: SeIncBasePriorityPrivilege	4848	chargeable.exe
Token: 33	4848	chargeable.exe
Token: SeIncBasePriorityPrivilege	4848	chargeable.exe
Token: 33	4848	chargeable.exe
Token: SeIncBasePriorityPrivilege	4848	chargeable.exe
Token: 33	4848	chargeable.exe
Token: SeIncBasePriorityPrivilege	4848	chargeable.exe
Token: 33	4848	chargeable.exe
Token: SeIncBasePriorityPrivilege	4848	chargeable.exe
Token: 33	4848	chargeable.exe
Token: SeIncBasePriorityPrivilege	4848	chargeable.exe
Token: 33	4848	chargeable.exe
Token: SeIncBasePriorityPrivilege	4848	chargeable.exe
Token: 33	4848	chargeable.exe
Token: SeIncBasePriorityPrivilege	4848	chargeable.exe
Token: 33	4848	chargeable.exe
Token: SeIncBasePriorityPrivilege	4848	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4144 wrote to memory of 4248	4144	9c4a8754b33ce64ac8b9ad46c87eb992242a60342a58f6ff7f630b5916eadb26N.exe	82
PID 4144 wrote to memory of 4248	4144	9c4a8754b33ce64ac8b9ad46c87eb992242a60342a58f6ff7f630b5916eadb26N.exe	82
PID 4144 wrote to memory of 4248	4144	9c4a8754b33ce64ac8b9ad46c87eb992242a60342a58f6ff7f630b5916eadb26N.exe	82
PID 4248 wrote to memory of 4848	4248	chargeable.exe	83
PID 4248 wrote to memory of 4848	4248	chargeable.exe	83
PID 4248 wrote to memory of 4848	4248	chargeable.exe	83
PID 4248 wrote to memory of 4848	4248	chargeable.exe	83
PID 4248 wrote to memory of 4848	4248	chargeable.exe	83
PID 4248 wrote to memory of 4848	4248	chargeable.exe	83
PID 4248 wrote to memory of 4848	4248	chargeable.exe	83
PID 4248 wrote to memory of 4848	4248	chargeable.exe	83
PID 4848 wrote to memory of 3624	4848	chargeable.exe	84
PID 4848 wrote to memory of 3624	4848	chargeable.exe	84
PID 4848 wrote to memory of 3624	4848	chargeable.exe	84

C:\Users\Admin\AppData\Local\Temp\9c4a8754b33ce64ac8b9ad46c87eb992242a60342a58f6ff7f630b5916eadb26N.exe
"C:\Users\Admin\AppData\Local\Temp\9c4a8754b33ce64ac8b9ad46c87eb992242a60342a58f6ff7f630b5916eadb26N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4144
- 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:4248
- - 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:4848
  - - 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:3624

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
9efc0fda46edd8a78af40489b3f79c01

SHA1
559bafc8fd43054519f680c63d94b7d3666c4853

SHA256
d51243747435d226ab83d38d3c4ad35c7d30027ba4427de9c89a05b964a67845

SHA512
2d18998e114eaa052a178678368346687371a78552659ab4bc14048fc1fb8ba8bbfaf8e905f14698e291ea11ac43ed6d027a09cf46c90f81a862c7370b6ec4d2

Download Submit
memory/4144-7-0x00000000751A0000-0x0000000075751000-memory.dmp

Filesize
5.7MB

Download
memory/4144-1-0x00000000751A0000-0x0000000075751000-memory.dmp

Filesize
5.7MB

Download
memory/4144-0-0x00000000751A2000-0x00000000751A3000-memory.dmp

Filesize
4KB

Download
memory/4144-2-0x00000000751A0000-0x0000000075751000-memory.dmp

Filesize
5.7MB

Download
memory/4144-6-0x00000000751A2000-0x00000000751A3000-memory.dmp

Filesize
4KB

Download
memory/4144-19-0x00000000751A0000-0x0000000075751000-memory.dmp

Filesize
5.7MB

Download
memory/4248-22-0x00000000751A0000-0x0000000075751000-memory.dmp

Filesize
5.7MB

Download
memory/4248-21-0x00000000751A0000-0x0000000075751000-memory.dmp

Filesize
5.7MB

Download
memory/4248-20-0x00000000751A0000-0x0000000075751000-memory.dmp

Filesize
5.7MB

Download
memory/4248-28-0x00000000751A0000-0x0000000075751000-memory.dmp

Filesize
5.7MB

Download
memory/4848-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4848-27-0x00000000751A0000-0x0000000075751000-memory.dmp

Filesize
5.7MB

Download
memory/4848-29-0x00000000751A0000-0x0000000075751000-memory.dmp

Filesize
5.7MB

Download
memory/4848-30-0x00000000751A0000-0x0000000075751000-memory.dmp

Filesize
5.7MB

Download
memory/4848-31-0x00000000751A0000-0x0000000075751000-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