njrat | ba061d0daea0f5a226bb6d9b29d7a20245a7f88d939b67496f333056577a15dc

General

Target

ba061d0daea0f5a226bb6d9b29d7a20245a7f88d939b67496f333056577a15dc.exe
Size

103KB
MD5

1f4de87fcf4efff331d265cf1fc34a11
SHA1

a8ac921aa829d9216258259c1fe9db4f442345b9
SHA256

ba061d0daea0f5a226bb6d9b29d7a20245a7f88d939b67496f333056577a15dc
SHA512

b6cdaa5fba1dcd71b7135051865f3c428753b98ba44afa229d8fa8015a8b961205fafb10214d71c9e55c32ccdea3a38af1c10ec002665ffb472bf9c95b7e9ab2
SSDEEP

1536:zu9ckBKj047HNs17gJEnRrRdy8KYmLQNojh+qoeWyHUiswADVXss25qB3bxVRsNB:2ckBKVmpBL9ms6A6TjBgPXrsb

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

oxy01.linkpc.net:1177

Mutex

08f4dc96bbb7af09d1a37fe35c75a42f

Attributes

reg_key
08f4dc96bbb7af09d1a37fe35c75a42f
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
4052	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

Processes:

ba061d0daea0f5a226bb6d9b29d7a20245a7f88d939b67496f333056577a15dc.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	ba061d0daea0f5a226bb6d9b29d7a20245a7f88d939b67496f333056577a15dc.exe

Executes dropped EXE 1 IoCs

Processes:

explorer.exe

pid	Process
2724	explorer.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

Processes:

netsh.exe

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 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

Processes:

netsh.exeba061d0daea0f5a226bb6d9b29d7a20245a7f88d939b67496f333056577a15dc.exeexplorer.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ba061d0daea0f5a226bb6d9b29d7a20245a7f88d939b67496f333056577a15dc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

explorer.exe

pid	Process
2724	explorer.exe
2724	explorer.exe
2724	explorer.exe
2724	explorer.exe
2724	explorer.exe
2724	explorer.exe
2724	explorer.exe
2724	explorer.exe
2724	explorer.exe
2724	explorer.exe
2724	explorer.exe
2724	explorer.exe
2724	explorer.exe
2724	explorer.exe
2724	explorer.exe
2724	explorer.exe
2724	explorer.exe
2724	explorer.exe
2724	explorer.exe
2724	explorer.exe
2724	explorer.exe
2724	explorer.exe
2724	explorer.exe
2724	explorer.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

explorer.exe

description	pid	Process
Token: SeDebugPrivilege	2724	explorer.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

ba061d0daea0f5a226bb6d9b29d7a20245a7f88d939b67496f333056577a15dc.exeexplorer.exe

description	pid	Process	procid_target
PID 3000 wrote to memory of 2724	3000	ba061d0daea0f5a226bb6d9b29d7a20245a7f88d939b67496f333056577a15dc.exe	82
PID 3000 wrote to memory of 2724	3000	ba061d0daea0f5a226bb6d9b29d7a20245a7f88d939b67496f333056577a15dc.exe	82
PID 3000 wrote to memory of 2724	3000	ba061d0daea0f5a226bb6d9b29d7a20245a7f88d939b67496f333056577a15dc.exe	82
PID 2724 wrote to memory of 4052	2724	explorer.exe	83
PID 2724 wrote to memory of 4052	2724	explorer.exe	83
PID 2724 wrote to memory of 4052	2724	explorer.exe	83

C:\Users\Admin\AppData\Local\Temp\ba061d0daea0f5a226bb6d9b29d7a20245a7f88d939b67496f333056577a15dc.exe
"C:\Users\Admin\AppData\Local\Temp\ba061d0daea0f5a226bb6d9b29d7a20245a7f88d939b67496f333056577a15dc.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Users\Admin\AppData\Local\Temp\explorer.exe
  "C:\Users\Admin\AppData\Local\Temp\explorer.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2724
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\explorer.exe" "explorer.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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

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

1

T1562.004

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\explorer.exe

Filesize
103KB

MD5
1f4de87fcf4efff331d265cf1fc34a11

SHA1
a8ac921aa829d9216258259c1fe9db4f442345b9

SHA256
ba061d0daea0f5a226bb6d9b29d7a20245a7f88d939b67496f333056577a15dc

SHA512
b6cdaa5fba1dcd71b7135051865f3c428753b98ba44afa229d8fa8015a8b961205fafb10214d71c9e55c32ccdea3a38af1c10ec002665ffb472bf9c95b7e9ab2

Download Submit
memory/2724-20-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/2724-19-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/2724-21-0x0000000004D50000-0x0000000004DE2000-memory.dmp

Filesize
584KB

Download
memory/2724-22-0x0000000004CE0000-0x0000000004CEA000-memory.dmp

Filesize
40KB

Download
memory/2724-23-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/2724-24-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/3000-2-0x0000000004D90000-0x0000000004E2C000-memory.dmp

Filesize
624KB

Download
memory/3000-3-0x0000000004C40000-0x0000000004C4E000-memory.dmp

Filesize
56KB

Download
memory/3000-5-0x00000000053E0000-0x0000000005984000-memory.dmp

Filesize
5.6MB

Download
memory/3000-4-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/3000-1-0x0000000000340000-0x0000000000360000-memory.dmp

Filesize
128KB

Download
memory/3000-18-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/3000-0-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads