Malware Analysis Report

2025-08-05 08:54

Sample ID 250108-jfjkkssmfq
Target e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe
SHA256 e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554
Tags
njrat discovery trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554

Threat Level: Known bad

The file e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe was found to be: Known bad.

Malicious Activity Summary

njrat discovery trojan

Njrat family

njRAT/Bladabindi

Executes dropped EXE

Checks computer location settings

Suspicious use of SetThreadContext

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-08 07:36

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-08 07:36

Reported

2025-01-08 07:38

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe"

Signatures

Njrat family

njrat

njRAT/Bladabindi

trojan njrat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\paysad.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\paysad.exe N/A

Enumerates physical storage devices

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\paysad.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\paysad.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\paysad.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1792 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe
PID 1792 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe
PID 1792 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe
PID 1792 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe
PID 1792 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe
PID 1792 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe
PID 1792 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe
PID 1792 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe
PID 2044 wrote to memory of 632 N/A C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe C:\Users\Admin\AppData\Local\Temp\paysad.exe
PID 2044 wrote to memory of 632 N/A C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe C:\Users\Admin\AppData\Local\Temp\paysad.exe
PID 2044 wrote to memory of 632 N/A C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe C:\Users\Admin\AppData\Local\Temp\paysad.exe
PID 632 wrote to memory of 1496 N/A C:\Users\Admin\AppData\Local\Temp\paysad.exe C:\Users\Admin\AppData\Local\Temp\paysad.exe
PID 632 wrote to memory of 1496 N/A C:\Users\Admin\AppData\Local\Temp\paysad.exe C:\Users\Admin\AppData\Local\Temp\paysad.exe
PID 632 wrote to memory of 1496 N/A C:\Users\Admin\AppData\Local\Temp\paysad.exe C:\Users\Admin\AppData\Local\Temp\paysad.exe
PID 632 wrote to memory of 1496 N/A C:\Users\Admin\AppData\Local\Temp\paysad.exe C:\Users\Admin\AppData\Local\Temp\paysad.exe
PID 632 wrote to memory of 1496 N/A C:\Users\Admin\AppData\Local\Temp\paysad.exe C:\Users\Admin\AppData\Local\Temp\paysad.exe
PID 632 wrote to memory of 1496 N/A C:\Users\Admin\AppData\Local\Temp\paysad.exe C:\Users\Admin\AppData\Local\Temp\paysad.exe
PID 632 wrote to memory of 1496 N/A C:\Users\Admin\AppData\Local\Temp\paysad.exe C:\Users\Admin\AppData\Local\Temp\paysad.exe
PID 632 wrote to memory of 1496 N/A C:\Users\Admin\AppData\Local\Temp\paysad.exe C:\Users\Admin\AppData\Local\Temp\paysad.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe

"C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe"

C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe

C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe

C:\Users\Admin\AppData\Local\Temp\paysad.exe

"C:\Users\Admin\AppData\Local\Temp\paysad.exe"

C:\Users\Admin\AppData\Local\Temp\paysad.exe

C:\Users\Admin\AppData\Local\Temp\paysad.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1496 -ip 1496

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1496 -s 80

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 8.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 182.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 60.153.16.2.in-addr.arpa udp

Files

memory/1792-0-0x0000000074882000-0x0000000074883000-memory.dmp

memory/1792-1-0x0000000074880000-0x0000000074E31000-memory.dmp

memory/1792-2-0x0000000074880000-0x0000000074E31000-memory.dmp

memory/2044-3-0x0000000000400000-0x000000000040E000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe.log

MD5 d62af200a730a61158601c4c3722811e
SHA1 e9e49b90a2b3480bebd81e24fa365235b7d42a63
SHA256 d4dd21b1143f31375ae154aca062e2534952fcd5dc19160dd2af3bbb1c5a2438
SHA512 d2cd527cf6b7b5a2a9eb3f888b29927ff9add8e9493bd58837f12c23bcd16237399ab48b8b9fddfca21e1002b0aa9053aaaef7a50ababafc21968a1c01af9647

memory/1792-7-0x0000000074880000-0x0000000074E31000-memory.dmp

memory/2044-8-0x0000000074880000-0x0000000074E31000-memory.dmp

memory/2044-9-0x0000000074880000-0x0000000074E31000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\paysad.exe

MD5 7ad563d1d370af1e8d8e5b6cb5d8ce00
SHA1 066d80afc7a9ec1d9f9132973c130e134757e4d8
SHA256 e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554
SHA512 06f2fb0f30cbb15a46f4a414eff01db68f9a820a4ad6a0b1f93f61290cef9e6e3ad16c7277ea4d0976e607c80fc5ffc6a30b81abc4d5a51657a458fb8ed75d6f

memory/2044-20-0x0000000074880000-0x0000000074E31000-memory.dmp

memory/632-21-0x0000000074880000-0x0000000074E31000-memory.dmp

memory/632-22-0x0000000074880000-0x0000000074E31000-memory.dmp

memory/632-26-0x0000000074880000-0x0000000074E31000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-08 07:36

Reported

2025-01-08 07:38

Platform

win7-20240903-en

Max time kernel

119s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe"

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2716 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe
PID 2716 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe
PID 2716 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe
PID 2716 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe
PID 2716 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe
PID 2716 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe
PID 2716 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe
PID 2716 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe
PID 2716 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe

"C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe"

C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe

C:\Users\Admin\AppData\Local\Temp\e617b6f2693165f8d2def1bc6da8f614654ce49383170fdca1891da85d333554N.exe

Network

N/A

Files

memory/2716-0-0x0000000074B41000-0x0000000074B42000-memory.dmp

memory/2716-1-0x0000000074B40000-0x00000000750EB000-memory.dmp

memory/2716-2-0x0000000074B40000-0x00000000750EB000-memory.dmp

memory/2716-4-0x0000000074B40000-0x00000000750EB000-memory.dmp