njrat | 05de7f808bcbd9c8c9bc3620b3bb36faa7f9d1a956223f0ac2579792addb9908

General

Target

05de7f808bcbd9c8c9bc3620b3bb36faa7f9d1a956223f0ac2579792addb9908.exe
Size

115KB
MD5

90c920a5d1afaebeca9a97a3787928b9
SHA1

5bb6c2720cfb1b1792914ac40c24206920e0f5c9
SHA256

05de7f808bcbd9c8c9bc3620b3bb36faa7f9d1a956223f0ac2579792addb9908
SHA512

db8dc3792e3ca6926790fdd778f92626f93c27699bd108759a6fe20ec79e02e17c8492c592e5aa1ae54bbbcd11b9c3d8d5a30b772b930b488f9eaa62f903e5fd
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73RmMo:w5eznsjsguGDFqGx8egoxmO3rRm5

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
2144	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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	05de7f808bcbd9c8c9bc3620b3bb36faa7f9d1a956223f0ac2579792addb9908.exe

Executes dropped EXE 2 IoCs

pid	Process
4384	chargeable.exe
4040	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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	05de7f808bcbd9c8c9bc3620b3bb36faa7f9d1a956223f0ac2579792addb9908.exe
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\\05de7f808bcbd9c8c9bc3620b3bb36faa7f9d1a956223f0ac2579792addb9908.exe"	05de7f808bcbd9c8c9bc3620b3bb36faa7f9d1a956223f0ac2579792addb9908.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4384 set thread context of 4040	4384	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 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	05de7f808bcbd9c8c9bc3620b3bb36faa7f9d1a956223f0ac2579792addb9908.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

description	pid	Process
Token: SeDebugPrivilege	4040	chargeable.exe
Token: 33	4040	chargeable.exe
Token: SeIncBasePriorityPrivilege	4040	chargeable.exe
Token: 33	4040	chargeable.exe
Token: SeIncBasePriorityPrivilege	4040	chargeable.exe
Token: 33	4040	chargeable.exe
Token: SeIncBasePriorityPrivilege	4040	chargeable.exe
Token: 33	4040	chargeable.exe
Token: SeIncBasePriorityPrivilege	4040	chargeable.exe
Token: 33	4040	chargeable.exe
Token: SeIncBasePriorityPrivilege	4040	chargeable.exe
Token: 33	4040	chargeable.exe
Token: SeIncBasePriorityPrivilege	4040	chargeable.exe
Token: 33	4040	chargeable.exe
Token: SeIncBasePriorityPrivilege	4040	chargeable.exe
Token: 33	4040	chargeable.exe
Token: SeIncBasePriorityPrivilege	4040	chargeable.exe
Token: 33	4040	chargeable.exe
Token: SeIncBasePriorityPrivilege	4040	chargeable.exe
Token: 33	4040	chargeable.exe
Token: SeIncBasePriorityPrivilege	4040	chargeable.exe
Token: 33	4040	chargeable.exe
Token: SeIncBasePriorityPrivilege	4040	chargeable.exe
Token: 33	4040	chargeable.exe
Token: SeIncBasePriorityPrivilege	4040	chargeable.exe
Token: 33	4040	chargeable.exe
Token: SeIncBasePriorityPrivilege	4040	chargeable.exe
Token: 33	4040	chargeable.exe
Token: SeIncBasePriorityPrivilege	4040	chargeable.exe
Token: 33	4040	chargeable.exe
Token: SeIncBasePriorityPrivilege	4040	chargeable.exe
Token: 33	4040	chargeable.exe
Token: SeIncBasePriorityPrivilege	4040	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 4384	1964	05de7f808bcbd9c8c9bc3620b3bb36faa7f9d1a956223f0ac2579792addb9908.exe	89
PID 1964 wrote to memory of 4384	1964	05de7f808bcbd9c8c9bc3620b3bb36faa7f9d1a956223f0ac2579792addb9908.exe	89
PID 1964 wrote to memory of 4384	1964	05de7f808bcbd9c8c9bc3620b3bb36faa7f9d1a956223f0ac2579792addb9908.exe	89
PID 4384 wrote to memory of 4040	4384	chargeable.exe	92
PID 4384 wrote to memory of 4040	4384	chargeable.exe	92
PID 4384 wrote to memory of 4040	4384	chargeable.exe	92
PID 4384 wrote to memory of 4040	4384	chargeable.exe	92
PID 4384 wrote to memory of 4040	4384	chargeable.exe	92
PID 4384 wrote to memory of 4040	4384	chargeable.exe	92
PID 4384 wrote to memory of 4040	4384	chargeable.exe	92
PID 4384 wrote to memory of 4040	4384	chargeable.exe	92
PID 4040 wrote to memory of 2144	4040	chargeable.exe	97
PID 4040 wrote to memory of 2144	4040	chargeable.exe	97
PID 4040 wrote to memory of 2144	4040	chargeable.exe	97

C:\Users\Admin\AppData\Local\Temp\05de7f808bcbd9c8c9bc3620b3bb36faa7f9d1a956223f0ac2579792addb9908.exe
"C:\Users\Admin\AppData\Local\Temp\05de7f808bcbd9c8c9bc3620b3bb36faa7f9d1a956223f0ac2579792addb9908.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1964
- 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:4384
- - 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:4040
  - - 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:2144

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

Replay Monitor

Loading Replay Monitor...

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
115KB

MD5
ecb3a07d8d8b8cd9f2dc7f9f370d3eed

SHA1
a300f85c7f7a3e4120b30a4079451d52abed54e1

SHA256
691016b54ef7703b0aed4739107a5d59c187df6cce1aa185cad5f7aa4aa86239

SHA512
7c81db8bb5100593f09e71a1a143989ae4c4563216dc25d6e4ebd8c0a130cf180b4a99fb312b12de19a1a377628737ee6aafb281d68378dd0eff5bff07d17e79

Download Submit
memory/1964-19-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/1964-1-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/1964-2-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/1964-6-0x0000000074872000-0x0000000074873000-memory.dmp

Filesize
4KB

Download
memory/1964-7-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/1964-20-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/1964-0-0x0000000074872000-0x0000000074873000-memory.dmp

Filesize
4KB

Download
memory/4040-27-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/4040-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4040-29-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/4040-30-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/4384-21-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/4384-22-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/4384-28-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads