Malware Analysis Report

2024-10-19 08:10

Sample ID 240622-zegbtstare
Target 03cb57011a5d97ea77106542e0b52fa6_JaffaCakes118
SHA256 3cd2b93b5e1a87261fc6ac3f0a424ceb3cdf7bd967cbe9c23282743bcb143e19
Tags
njrat b hat persistence 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

3cd2b93b5e1a87261fc6ac3f0a424ceb3cdf7bd967cbe9c23282743bcb143e19

Threat Level: Known bad

The file 03cb57011a5d97ea77106542e0b52fa6_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

njrat b hat persistence trojan

njRAT/Bladabindi

Executes dropped EXE

Loads dropped DLL

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

2024-06-22 20:37

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-22 20:37

Reported

2024-06-22 20:40

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

51s

Command Line

"C:\Users\Admin\AppData\Local\Temp\03cb57011a5d97ea77106542e0b52fa6_JaffaCakes118.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\03cb57011a5d97ea77106542e0b52fa6_JaffaCakes118.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\helo = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cr.exe" C:\Users\Admin\AppData\Local\Temp\03cb57011a5d97ea77106542e0b52fa6_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\03cb57011a5d97ea77106542e0b52fa6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\03cb57011a5d97ea77106542e0b52fa6_JaffaCakes118.exe"

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

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

Network

Country Destination Domain Proto
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp

Files

memory/956-0-0x000000007492E000-0x000000007492F000-memory.dmp

memory/956-1-0x0000000000320000-0x0000000000332000-memory.dmp

memory/956-2-0x0000000004DB0000-0x0000000004E4C000-memory.dmp

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

MD5 439fdb0ea7684930d847a93836493e62
SHA1 2224ae4623be5566c764447ed63883bf9c191b83
SHA256 b59a407d6063dec7b0590e8bc38f8671f2407f03316433217a3cc175b926efbd
SHA512 1bd6ceeda3e5240ba9c980a54f923963fc6a01f4183026ad882510117019c38877015bbb115a1d71819eddbcf9c72a0b1434ebcdbbe1d2cbca6d9e14650f86ec

memory/1752-15-0x0000000000150000-0x0000000000160000-memory.dmp

memory/1752-16-0x0000000002410000-0x000000000241C000-memory.dmp

memory/1752-17-0x0000000074920000-0x00000000750D0000-memory.dmp

memory/1752-18-0x0000000005060000-0x0000000005604000-memory.dmp

memory/1752-19-0x0000000004C10000-0x0000000004CA2000-memory.dmp

memory/1752-20-0x0000000074920000-0x00000000750D0000-memory.dmp

memory/1752-21-0x0000000004BE0000-0x0000000004BEA000-memory.dmp

memory/1752-22-0x0000000074920000-0x00000000750D0000-memory.dmp

memory/1752-23-0x0000000074920000-0x00000000750D0000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-22 20:37

Reported

2024-06-22 20:40

Platform

win7-20240221-en

Max time kernel

148s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\03cb57011a5d97ea77106542e0b52fa6_JaffaCakes118.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\03cb57011a5d97ea77106542e0b52fa6_JaffaCakes118.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\helo = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cr.exe" C:\Users\Admin\AppData\Local\Temp\03cb57011a5d97ea77106542e0b52fa6_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\03cb57011a5d97ea77106542e0b52fa6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\03cb57011a5d97ea77106542e0b52fa6_JaffaCakes118.exe"

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

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

Network

Country Destination Domain Proto
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp

Files

memory/1932-0-0x000000007406E000-0x000000007406F000-memory.dmp

memory/1932-1-0x00000000003E0000-0x00000000003F2000-memory.dmp

\Users\Admin\AppData\Local\Temp\cr.exe

MD5 439fdb0ea7684930d847a93836493e62
SHA1 2224ae4623be5566c764447ed63883bf9c191b83
SHA256 b59a407d6063dec7b0590e8bc38f8671f2407f03316433217a3cc175b926efbd
SHA512 1bd6ceeda3e5240ba9c980a54f923963fc6a01f4183026ad882510117019c38877015bbb115a1d71819eddbcf9c72a0b1434ebcdbbe1d2cbca6d9e14650f86ec

memory/2120-9-0x0000000000310000-0x0000000000320000-memory.dmp

memory/2120-10-0x00000000002E0000-0x00000000002EC000-memory.dmp

memory/2120-11-0x0000000074060000-0x000000007474E000-memory.dmp

memory/2120-12-0x0000000074060000-0x000000007474E000-memory.dmp

memory/2120-13-0x0000000074060000-0x000000007474E000-memory.dmp

memory/2120-14-0x0000000074060000-0x000000007474E000-memory.dmp