Malware Analysis Report

2025-01-02 03:12

Sample ID 240814-pb8a2awdkj
Target 960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118
SHA256 04c93fd4c4b9ede9c3661f17dfed1ebc4ac3d09b4ad724b6c9e39dc189c1205e
Tags
remcos remotehost discovery rat upx
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

04c93fd4c4b9ede9c3661f17dfed1ebc4ac3d09b4ad724b6c9e39dc189c1205e

Threat Level: Known bad

The file 960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

remcos remotehost discovery rat upx

Remcos

UPX packed file

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-14 12:10

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-14 12:10

Reported

2024-08-14 12:12

Platform

win7-20240704-en

Max time kernel

149s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe"

Signatures

Remcos

rat remcos

UPX packed file

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

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\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2092 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe
PID 2092 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe
PID 2092 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe
PID 2092 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe
PID 2092 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe
PID 2092 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe
PID 2092 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe
PID 2092 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe"

Network

Country Destination Domain Proto
RU 176.111.174.14:2804 tcp
RU 176.111.174.14:2804 tcp
RU 176.111.174.14:2804 tcp
RU 176.111.174.14:2804 tcp

Files

memory/2092-0-0x000000007431E000-0x000000007431F000-memory.dmp

memory/2092-1-0x0000000001070000-0x0000000001136000-memory.dmp

memory/2092-2-0x0000000074310000-0x00000000749FE000-memory.dmp

memory/2092-3-0x00000000009F0000-0x00000000009FA000-memory.dmp

memory/2092-4-0x000000007431E000-0x000000007431F000-memory.dmp

memory/2092-5-0x0000000074310000-0x00000000749FE000-memory.dmp

memory/2092-6-0x0000000004D00000-0x0000000004D6E000-memory.dmp

memory/2700-7-0x0000000000400000-0x0000000000481000-memory.dmp

memory/2700-12-0x0000000000400000-0x0000000000481000-memory.dmp

memory/2700-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2700-9-0x0000000000400000-0x0000000000481000-memory.dmp

memory/2700-8-0x0000000000400000-0x0000000000481000-memory.dmp

memory/2700-13-0x0000000000400000-0x0000000000481000-memory.dmp

memory/2700-14-0x0000000000400000-0x0000000000481000-memory.dmp

memory/2700-16-0x0000000000400000-0x0000000000481000-memory.dmp

memory/2700-17-0x0000000000400000-0x0000000000481000-memory.dmp

memory/2700-15-0x0000000000400000-0x0000000000481000-memory.dmp

memory/2092-18-0x0000000074310000-0x00000000749FE000-memory.dmp

memory/2700-19-0x0000000000400000-0x0000000000481000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-14 12:10

Reported

2024-08-14 12:12

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe"

Signatures

Remcos

rat remcos

UPX packed file

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

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\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4168 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe
PID 4168 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe
PID 4168 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe
PID 4168 wrote to memory of 2932 N/A C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe
PID 4168 wrote to memory of 2932 N/A C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe
PID 4168 wrote to memory of 2932 N/A C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe
PID 4168 wrote to memory of 2932 N/A C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe
PID 4168 wrote to memory of 2932 N/A C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe
PID 4168 wrote to memory of 2932 N/A C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe
PID 4168 wrote to memory of 2932 N/A C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\960c0e89ff21f1f41604dc89cdf300c7_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 36.56.20.217.in-addr.arpa udp
RU 176.111.174.14:2804 tcp
US 52.111.229.48:443 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
RU 176.111.174.14:2804 tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
RU 176.111.174.14:2804 tcp
RU 176.111.174.14:2804 tcp

Files

memory/4168-0-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

memory/4168-1-0x0000000000B60000-0x0000000000C26000-memory.dmp

memory/4168-2-0x00000000055A0000-0x000000000563C000-memory.dmp

memory/4168-3-0x0000000005C70000-0x0000000006214000-memory.dmp

memory/4168-4-0x0000000005760000-0x00000000057F2000-memory.dmp

memory/4168-5-0x0000000005670000-0x000000000567A000-memory.dmp

memory/4168-6-0x0000000005950000-0x00000000059A6000-memory.dmp

memory/4168-7-0x0000000074CC0000-0x0000000075470000-memory.dmp

memory/4168-8-0x0000000005750000-0x000000000575A000-memory.dmp

memory/4168-9-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

memory/4168-10-0x0000000074CC0000-0x0000000075470000-memory.dmp

memory/4168-11-0x0000000001570000-0x00000000015DE000-memory.dmp

memory/2932-12-0x0000000000400000-0x0000000000481000-memory.dmp

memory/2932-15-0x0000000000400000-0x0000000000481000-memory.dmp

memory/2932-13-0x0000000000400000-0x0000000000481000-memory.dmp

memory/2932-17-0x0000000000400000-0x0000000000481000-memory.dmp

memory/2932-16-0x0000000000400000-0x0000000000481000-memory.dmp

memory/2932-18-0x0000000000400000-0x0000000000481000-memory.dmp

memory/4168-19-0x0000000074CC0000-0x0000000075470000-memory.dmp