njrat | 5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241

General

Target

5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241N.exe
Size

114KB
MD5

e254acbfcf1f4397c82f56e015f1e850
SHA1

2b475d4f685deb8b677067aaae51043130726be4
SHA256

5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241
SHA512

79a9e556e0621d0225ebf3c51d46488c5e3e68d06f56564f0dc12b7747e3e9bcd24833ea221970e2a6f95f35dbe80b9890ada416204dbb8a9dd6fd3510b72048
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73vr/:w5eznsjsguGDFqGx8egoxmO3rvT

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
4000	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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241N.exe

Executes dropped EXE 2 IoCs

pid	Process
704	chargeable.exe
3692	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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241N.exe"	5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 704 set thread context of 3692	704	chargeable.exe	93

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	5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241N.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	3692	chargeable.exe
Token: 33	3692	chargeable.exe
Token: SeIncBasePriorityPrivilege	3692	chargeable.exe
Token: 33	3692	chargeable.exe
Token: SeIncBasePriorityPrivilege	3692	chargeable.exe
Token: 33	3692	chargeable.exe
Token: SeIncBasePriorityPrivilege	3692	chargeable.exe
Token: 33	3692	chargeable.exe
Token: SeIncBasePriorityPrivilege	3692	chargeable.exe
Token: 33	3692	chargeable.exe
Token: SeIncBasePriorityPrivilege	3692	chargeable.exe
Token: 33	3692	chargeable.exe
Token: SeIncBasePriorityPrivilege	3692	chargeable.exe
Token: 33	3692	chargeable.exe
Token: SeIncBasePriorityPrivilege	3692	chargeable.exe
Token: 33	3692	chargeable.exe
Token: SeIncBasePriorityPrivilege	3692	chargeable.exe
Token: 33	3692	chargeable.exe
Token: SeIncBasePriorityPrivilege	3692	chargeable.exe
Token: 33	3692	chargeable.exe
Token: SeIncBasePriorityPrivilege	3692	chargeable.exe
Token: 33	3692	chargeable.exe
Token: SeIncBasePriorityPrivilege	3692	chargeable.exe
Token: 33	3692	chargeable.exe
Token: SeIncBasePriorityPrivilege	3692	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3136 wrote to memory of 704	3136	5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241N.exe	86
PID 3136 wrote to memory of 704	3136	5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241N.exe	86
PID 3136 wrote to memory of 704	3136	5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241N.exe	86
PID 704 wrote to memory of 3692	704	chargeable.exe	93
PID 704 wrote to memory of 3692	704	chargeable.exe	93
PID 704 wrote to memory of 3692	704	chargeable.exe	93
PID 704 wrote to memory of 3692	704	chargeable.exe	93
PID 704 wrote to memory of 3692	704	chargeable.exe	93
PID 704 wrote to memory of 3692	704	chargeable.exe	93
PID 704 wrote to memory of 3692	704	chargeable.exe	93
PID 704 wrote to memory of 3692	704	chargeable.exe	93
PID 3692 wrote to memory of 4000	3692	chargeable.exe	98
PID 3692 wrote to memory of 4000	3692	chargeable.exe	98
PID 3692 wrote to memory of 4000	3692	chargeable.exe	98

C:\Users\Admin\AppData\Local\Temp\5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241N.exe
"C:\Users\Admin\AppData\Local\Temp\5b3259968403f391ff713d9530cb9c1ad8a2b7fdc80151846ceb705b94077241N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3136
- 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:704
- - 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:3692
  - - 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:4000

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
2bf5986cb2653991aff96fa40d63621e

SHA1
3c2e6fdab90eb82db0dd3c7355751a8f7f6ea7f7

SHA256
0fd23c4c8df6e19f619a6b2179587e6b24fd09f5f6be7b63a0f609d8f4b0df0d

SHA512
855e0e16c8a85033e1dddf908c33b1643bd55a6c38f791022d44dc0e75e7682958c31e9753fe6c1c084b77a56a3392398eeae315e7abe31a061c810698c955e9

Download Submit
memory/704-28-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/704-21-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/704-22-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/3136-19-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/3136-20-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/3136-2-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/3136-7-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/3136-6-0x00000000746C2000-0x00000000746C3000-memory.dmp

Filesize
4KB

Download
memory/3136-0-0x00000000746C2000-0x00000000746C3000-memory.dmp

Filesize
4KB

Download
memory/3136-1-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/3692-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3692-27-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/3692-29-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/3692-30-0x00000000746C0000-0x0000000074C71000-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