Malware Analysis Report

2025-01-22 14:05

Sample ID 240306-dpckqsba42
Target b65b30657d88fc6fd435d1a0d1a3e479
SHA256 e2102a75e1dc3ba854a0bb39a1c09df4626f15d332643af74b754383f5bec2b7
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

e2102a75e1dc3ba854a0bb39a1c09df4626f15d332643af74b754383f5bec2b7

Threat Level: Known bad

The file b65b30657d88fc6fd435d1a0d1a3e479 was found to be: Known bad.

Malicious Activity Summary

njrat hacked evasion persistence trojan

njRAT/Bladabindi

Modifies Windows Firewall

Executes dropped EXE

Loads dropped DLL

Drops startup file

Checks computer location settings

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-06 03:10

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-06 03:10

Reported

2024-03-06 03:13

Platform

win7-20240221-en

Max time kernel

149s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b65b30657d88fc6fd435d1a0d1a3e479.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

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cc01b4076a8dbf51e6f4a3eaf154cd4a.exe C:\Users\Admin\AppData\Roaming\conquer.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cc01b4076a8dbf51e6f4a3eaf154cd4a.exe C:\Users\Admin\AppData\Roaming\conquer.exe N/A

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b65b30657d88fc6fd435d1a0d1a3e479.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\cc01b4076a8dbf51e6f4a3eaf154cd4a = "\"C:\\Users\\Admin\\AppData\\Roaming\\conquer.exe\" .." C:\Users\Admin\AppData\Roaming\conquer.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\cc01b4076a8dbf51e6f4a3eaf154cd4a = "\"C:\\Users\\Admin\\AppData\\Roaming\\conquer.exe\" .." C:\Users\Admin\AppData\Roaming\conquer.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\b65b30657d88fc6fd435d1a0d1a3e479.exe

"C:\Users\Admin\AppData\Local\Temp\b65b30657d88fc6fd435d1a0d1a3e479.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 smsm1.publicvm.com udp
SG 139.99.66.103:7777 smsm1.publicvm.com tcp
SG 139.99.66.103:7777 smsm1.publicvm.com tcp
SG 139.99.66.103:7777 smsm1.publicvm.com tcp
SG 139.99.66.103:7777 smsm1.publicvm.com tcp
SG 139.99.66.103:7777 smsm1.publicvm.com tcp
SG 139.99.66.103:7777 smsm1.publicvm.com tcp

Files

memory/1464-0-0x0000000000BE0000-0x0000000000C86000-memory.dmp

memory/1464-2-0x00000000745D0000-0x0000000074CBE000-memory.dmp

memory/1464-1-0x0000000000480000-0x000000000048C000-memory.dmp

\Users\Admin\AppData\Roaming\conquer.exe

MD5 b65b30657d88fc6fd435d1a0d1a3e479
SHA1 2ffb94e2aa1afe8ecd990163663cde6f6b548c0c
SHA256 e2102a75e1dc3ba854a0bb39a1c09df4626f15d332643af74b754383f5bec2b7
SHA512 a60379aafcaa3edbf37619b997e05ab0cac655bf823e4d64731cce1f012f7a5f72b68d88e791fc5cad00d5becbd37ebcc073bc5110821bab4ebd4ebde65f2557

memory/1344-11-0x0000000000830000-0x00000000008D6000-memory.dmp

memory/1344-12-0x00000000745D0000-0x0000000074CBE000-memory.dmp

memory/1464-10-0x00000000745D0000-0x0000000074CBE000-memory.dmp

memory/1344-14-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

memory/1344-15-0x00000000745D0000-0x0000000074CBE000-memory.dmp

memory/1344-16-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-06 03:10

Reported

2024-03-06 03:13

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b65b30657d88fc6fd435d1a0d1a3e479.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-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\b65b30657d88fc6fd435d1a0d1a3e479.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cc01b4076a8dbf51e6f4a3eaf154cd4a.exe C:\Users\Admin\AppData\Roaming\conquer.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cc01b4076a8dbf51e6f4a3eaf154cd4a.exe C:\Users\Admin\AppData\Roaming\conquer.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cc01b4076a8dbf51e6f4a3eaf154cd4a = "\"C:\\Users\\Admin\\AppData\\Roaming\\conquer.exe\" .." C:\Users\Admin\AppData\Roaming\conquer.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\cc01b4076a8dbf51e6f4a3eaf154cd4a = "\"C:\\Users\\Admin\\AppData\\Roaming\\conquer.exe\" .." C:\Users\Admin\AppData\Roaming\conquer.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\b65b30657d88fc6fd435d1a0d1a3e479.exe

"C:\Users\Admin\AppData\Local\Temp\b65b30657d88fc6fd435d1a0d1a3e479.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 smsm1.publicvm.com udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
SG 139.99.66.103:7777 smsm1.publicvm.com tcp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
SG 139.99.66.103:7777 smsm1.publicvm.com tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
SG 139.99.66.103:7777 smsm1.publicvm.com tcp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 211.178.17.96.in-addr.arpa udp
SG 139.99.66.103:7777 smsm1.publicvm.com tcp
SG 139.99.66.103:7777 smsm1.publicvm.com tcp
SG 139.99.66.103:7777 smsm1.publicvm.com tcp
US 8.8.8.8:53 24.73.42.20.in-addr.arpa udp

Files

memory/4412-0-0x0000000074E70000-0x0000000075620000-memory.dmp

memory/4412-1-0x0000000000510000-0x00000000005B6000-memory.dmp

memory/4412-2-0x0000000004EA0000-0x0000000004EAC000-memory.dmp

memory/4412-3-0x0000000004FF0000-0x000000000508C000-memory.dmp

memory/4412-4-0x0000000005640000-0x0000000005BE4000-memory.dmp

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

MD5 b65b30657d88fc6fd435d1a0d1a3e479
SHA1 2ffb94e2aa1afe8ecd990163663cde6f6b548c0c
SHA256 e2102a75e1dc3ba854a0bb39a1c09df4626f15d332643af74b754383f5bec2b7
SHA512 a60379aafcaa3edbf37619b997e05ab0cac655bf823e4d64731cce1f012f7a5f72b68d88e791fc5cad00d5becbd37ebcc073bc5110821bab4ebd4ebde65f2557

memory/4412-17-0x0000000074E70000-0x0000000075620000-memory.dmp

memory/4672-18-0x0000000074E70000-0x0000000075620000-memory.dmp

memory/4672-20-0x0000000005090000-0x00000000050A0000-memory.dmp

memory/4672-21-0x00000000053B0000-0x0000000005442000-memory.dmp

memory/4672-22-0x0000000005370000-0x000000000537A000-memory.dmp

memory/4672-23-0x0000000074E70000-0x0000000075620000-memory.dmp

memory/4672-24-0x0000000005090000-0x00000000050A0000-memory.dmp