Malware Analysis Report

2025-01-22 14:03

Sample ID 240226-g5ftwaeh66
Target a5a5d0e078a7feb6350da38665d948ae
SHA256 36965eced5d426883f047d0118a88999a36f9012455b97b8d58dfcb59a3f3fc8
Tags
njrat hacked evasion persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

36965eced5d426883f047d0118a88999a36f9012455b97b8d58dfcb59a3f3fc8

Threat Level: Known bad

The file a5a5d0e078a7feb6350da38665d948ae was found to be: Known bad.

Malicious Activity Summary

njrat hacked evasion persistence trojan

njRAT/Bladabindi

Modifies Windows Firewall

Checks computer location settings

Loads dropped DLL

Executes dropped EXE

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-26 06:23

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-26 06:23

Reported

2024-02-26 06:25

Platform

win7-20240221-en

Max time kernel

150s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a5a5d0e078a7feb6350da38665d948ae.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Modifies Windows Firewall

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a5a5d0e078a7feb6350da38665d948ae.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\db2108a13871ca4786c6f5eb2f775bc8 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .." C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\db2108a13871ca4786c6f5eb2f775bc8 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .." C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a5a5d0e078a7feb6350da38665d948ae.exe

"C:\Users\Admin\AppData\Local\Temp\a5a5d0e078a7feb6350da38665d948ae.exe"

C:\Users\Admin\AppData\Roaming\svchost.exe

"C:\Users\Admin\AppData\Roaming\svchost.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 amerkad19.ddns.net udp
US 52.204.228.76:1177 amerkad19.ddns.net tcp
US 52.204.228.76:1177 amerkad19.ddns.net tcp
US 52.204.228.76:1177 amerkad19.ddns.net tcp
US 8.8.8.8:53 amerkad19.ddns.net udp
US 52.204.228.76:1177 amerkad19.ddns.net tcp
US 52.204.228.76:1177 amerkad19.ddns.net tcp
US 52.204.228.76:1177 amerkad19.ddns.net tcp

Files

memory/1676-0-0x0000000001290000-0x00000000012D2000-memory.dmp

memory/1676-1-0x0000000074800000-0x0000000074EEE000-memory.dmp

memory/1676-2-0x0000000004C00000-0x0000000004C40000-memory.dmp

memory/1676-3-0x0000000004C00000-0x0000000004C40000-memory.dmp

memory/1676-4-0x0000000004C00000-0x0000000004C40000-memory.dmp

memory/1676-5-0x0000000000B50000-0x0000000000B5C000-memory.dmp

C:\Users\Admin\AppData\Roaming\svchost.exe

MD5 a5a5d0e078a7feb6350da38665d948ae
SHA1 8ca1f4a981b997f4cbc3c04e4d492d436cf4d87d
SHA256 36965eced5d426883f047d0118a88999a36f9012455b97b8d58dfcb59a3f3fc8
SHA512 ff8871672a9b8e7d691d05d5d8266a3e3be9aacc714bda2d1f03ce06983b039e0c31275fb8c4e57a03574c29506e6f446b46adbc8a1c27fa19e7522e51fff2f0

memory/1676-14-0x0000000074800000-0x0000000074EEE000-memory.dmp

memory/2140-13-0x00000000000C0000-0x0000000000102000-memory.dmp

memory/2140-15-0x0000000074800000-0x0000000074EEE000-memory.dmp

memory/2140-16-0x0000000004C40000-0x0000000004C80000-memory.dmp

memory/2140-17-0x0000000004C40000-0x0000000004C80000-memory.dmp

memory/2140-18-0x0000000004C40000-0x0000000004C80000-memory.dmp

memory/2140-19-0x0000000074800000-0x0000000074EEE000-memory.dmp

memory/2140-20-0x0000000004C40000-0x0000000004C80000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-26 06:23

Reported

2024-02-26 06:25

Platform

win10v2004-20240221-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a5a5d0e078a7feb6350da38665d948ae.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Modifies Windows Firewall

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2828415587-3732861812-1919322417-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\a5a5d0e078a7feb6350da38665d948ae.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2828415587-3732861812-1919322417-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\db2108a13871ca4786c6f5eb2f775bc8 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .." C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\db2108a13871ca4786c6f5eb2f775bc8 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .." C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a5a5d0e078a7feb6350da38665d948ae.exe

"C:\Users\Admin\AppData\Local\Temp\a5a5d0e078a7feb6350da38665d948ae.exe"

C:\Users\Admin\AppData\Roaming\svchost.exe

"C:\Users\Admin\AppData\Roaming\svchost.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 amerkad19.ddns.net udp
US 52.204.228.76:1177 amerkad19.ddns.net tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 52.204.228.76:1177 amerkad19.ddns.net tcp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 52.204.228.76:1177 amerkad19.ddns.net tcp
US 8.8.8.8:53 amerkad19.ddns.net udp
US 52.204.228.76:1177 amerkad19.ddns.net tcp
US 52.204.228.76:1177 amerkad19.ddns.net tcp
US 52.204.228.76:1177 amerkad19.ddns.net tcp

Files

memory/2632-0-0x0000000000950000-0x0000000000992000-memory.dmp

memory/2632-1-0x0000000074F60000-0x0000000075710000-memory.dmp

memory/2632-2-0x0000000005860000-0x0000000005E04000-memory.dmp

memory/2632-3-0x0000000005390000-0x0000000005422000-memory.dmp

memory/2632-4-0x00000000054D0000-0x000000000556C000-memory.dmp

memory/2632-5-0x0000000005360000-0x0000000005370000-memory.dmp

memory/2632-6-0x0000000005450000-0x000000000545A000-memory.dmp

memory/2632-7-0x0000000005660000-0x0000000005682000-memory.dmp

memory/2632-8-0x0000000005360000-0x0000000005370000-memory.dmp

memory/2632-9-0x0000000008870000-0x000000000887C000-memory.dmp

C:\Users\Admin\AppData\Roaming\svchost.exe

MD5 a5a5d0e078a7feb6350da38665d948ae
SHA1 8ca1f4a981b997f4cbc3c04e4d492d436cf4d87d
SHA256 36965eced5d426883f047d0118a88999a36f9012455b97b8d58dfcb59a3f3fc8
SHA512 ff8871672a9b8e7d691d05d5d8266a3e3be9aacc714bda2d1f03ce06983b039e0c31275fb8c4e57a03574c29506e6f446b46adbc8a1c27fa19e7522e51fff2f0

memory/2260-22-0x0000000074F60000-0x0000000075710000-memory.dmp

memory/2632-23-0x0000000074F60000-0x0000000075710000-memory.dmp

memory/2260-24-0x0000000074F60000-0x0000000075710000-memory.dmp