njrat | 64906ed87cf4c0edc80f71d04e02431d00239eec1a977ca25c170eb1a9c33199

General

Target

64906ed87cf4c0edc80f71d04e02431d00239eec1a977ca25c170eb1a9c33199.exe
Size

1.2MB
MD5

d5a13575026ff1bad878147021c65943
SHA1

c17909f5d4a554d1a56cca796dac5ca0575b98ee
SHA256

64906ed87cf4c0edc80f71d04e02431d00239eec1a977ca25c170eb1a9c33199
SHA512

68b62df918ecaee14a1e49597fa225e66ddbe440860090f340f6b5fbd3313ca6310dc894297887ae3cc3cb30416e9a40b612d5f009e1c95888899d78d1f38671
SSDEEP

12288:tLmMsh+E0AtduJRmZJaR/M3P9MUsuyWiP8Bt6jzHl1c7:9mM8qAqJkaRE5JBtiLl

Score

10^/10

njrat roma 1940 discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

ROMA 1940

C2

seznam.hopto.org:1177

Mutex

58815759959944c4bb49f4885faebc1e

Attributes

reg_key
58815759959944c4bb49f4885faebc1e
splitter
|'|'|

Signatures

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
1816	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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	64906ed87cf4c0edc80f71d04e02431d00239eec1a977ca25c170eb1a9c33199.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\58815759959944c4bb49f4885faebc1e.exe	minocraft.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\58815759959944c4bb49f4885faebc1e.exe	minocraft.exe

Executes dropped EXE 1 IoCs

pid	Process
4544	minocraft.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\58815759959944c4bb49f4885faebc1e = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\minocraft.exe\" .."	minocraft.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\58815759959944c4bb49f4885faebc1e = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\minocraft.exe\" .."	minocraft.exe

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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	64906ed87cf4c0edc80f71d04e02431d00239eec1a977ca25c170eb1a9c33199.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	minocraft.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeDebugPrivilege	4544	minocraft.exe
Token: 33	4544	minocraft.exe
Token: SeIncBasePriorityPrivilege	4544	minocraft.exe
Token: 33	4544	minocraft.exe
Token: SeIncBasePriorityPrivilege	4544	minocraft.exe
Token: 33	4544	minocraft.exe
Token: SeIncBasePriorityPrivilege	4544	minocraft.exe
Token: 33	4544	minocraft.exe
Token: SeIncBasePriorityPrivilege	4544	minocraft.exe
Token: 33	4544	minocraft.exe
Token: SeIncBasePriorityPrivilege	4544	minocraft.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4576 wrote to memory of 4544	4576	64906ed87cf4c0edc80f71d04e02431d00239eec1a977ca25c170eb1a9c33199.exe	88
PID 4576 wrote to memory of 4544	4576	64906ed87cf4c0edc80f71d04e02431d00239eec1a977ca25c170eb1a9c33199.exe	88
PID 4576 wrote to memory of 4544	4576	64906ed87cf4c0edc80f71d04e02431d00239eec1a977ca25c170eb1a9c33199.exe	88
PID 4544 wrote to memory of 1816	4544	minocraft.exe	91
PID 4544 wrote to memory of 1816	4544	minocraft.exe	91
PID 4544 wrote to memory of 1816	4544	minocraft.exe	91

C:\Users\Admin\AppData\Local\Temp\64906ed87cf4c0edc80f71d04e02431d00239eec1a977ca25c170eb1a9c33199.exe
"C:\Users\Admin\AppData\Local\Temp\64906ed87cf4c0edc80f71d04e02431d00239eec1a977ca25c170eb1a9c33199.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4576
- C:\Users\Admin\AppData\Local\Temp\minocraft.exe
  "C:\Users\Admin\AppData\Local\Temp\minocraft.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4544
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\minocraft.exe" "minocraft.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:1816

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\Temp\minocraft.exe

Filesize
1.2MB

MD5
d5a13575026ff1bad878147021c65943

SHA1
c17909f5d4a554d1a56cca796dac5ca0575b98ee

SHA256
64906ed87cf4c0edc80f71d04e02431d00239eec1a977ca25c170eb1a9c33199

SHA512
68b62df918ecaee14a1e49597fa225e66ddbe440860090f340f6b5fbd3313ca6310dc894297887ae3cc3cb30416e9a40b612d5f009e1c95888899d78d1f38671

Download Submit
memory/4544-21-0x00000000055F0000-0x00000000055FA000-memory.dmp

Filesize
40KB

Download
memory/4544-18-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/4544-20-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/4544-22-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/4544-23-0x0000000005A10000-0x0000000005A76000-memory.dmp

Filesize
408KB

Download
memory/4544-24-0x00000000750E0000-0x0000000075890000-memory.dmp

Filesize
7.7MB

Download
memory/4576-2-0x0000000005B10000-0x00000000060B4000-memory.dmp

Filesize
5.6MB

Download
memory/4576-3-0x0000000005600000-0x0000000005692000-memory.dmp

Filesize
584KB

Download
memory/4576-4-0x0000000005790000-0x000000000582C000-memory.dmp

Filesize
624KB

Download
memory/4576-5-0x0000000002FD0000-0x0000000002FDC000-memory.dmp

Filesize
48KB

Download
memory/4576-1-0x0000000000AC0000-0x0000000000BEC000-memory.dmp

Filesize
1.2MB

Download
memory/4576-0-0x00000000750EE000-0x00000000750EF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads