Malware Analysis Report

2024-11-15 08:31

Sample ID 240407-bvhmtshc2t
Target e3c12651fb8f7335d9379a9578f20a8f_JaffaCakes118
SHA256 de455c2a571489ff831d520b526596d1eb18fcb3122303717eac9873546586d8
Tags
remcos agilenet rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

de455c2a571489ff831d520b526596d1eb18fcb3122303717eac9873546586d8

Threat Level: Known bad

The file e3c12651fb8f7335d9379a9578f20a8f_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

remcos agilenet rat

Remcos family

Remcos

Obfuscated with Agile.Net obfuscator

Unsigned PE

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-07 01:27

Signatures

Remcos family

remcos

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 01:27

Reported

2024-04-07 01:30

Platform

win7-20240221-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e3c12651fb8f7335d9379a9578f20a8f_JaffaCakes118.exe"

Signatures

Remcos

rat remcos

Obfuscated with Agile.Net obfuscator

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e3c12651fb8f7335d9379a9578f20a8f_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\e3c12651fb8f7335d9379a9578f20a8f_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e3c12651fb8f7335d9379a9578f20a8f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e3c12651fb8f7335d9379a9578f20a8f_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 784

Network

N/A

Files

memory/2856-0-0x0000000000EC0000-0x0000000000F30000-memory.dmp

memory/2856-2-0x0000000074AB0000-0x000000007519E000-memory.dmp

memory/2856-1-0x00000000002E0000-0x00000000002F6000-memory.dmp

memory/2856-3-0x0000000000370000-0x0000000000378000-memory.dmp

memory/2856-4-0x0000000074AB0000-0x000000007519E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 01:27

Reported

2024-04-07 01:30

Platform

win10v2004-20240319-en

Max time kernel

147s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e3c12651fb8f7335d9379a9578f20a8f_JaffaCakes118.exe"

Signatures

Remcos

rat remcos

Obfuscated with Agile.Net obfuscator

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\e3c12651fb8f7335d9379a9578f20a8f_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e3c12651fb8f7335d9379a9578f20a8f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e3c12651fb8f7335d9379a9578f20a8f_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1020 -ip 1020

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1020 -s 1220

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2248 --field-trial-handle=2536,i,8161505972217706694,705854963991409854,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 21.114.53.23.in-addr.arpa udp
US 8.8.8.8:53 138.201.86.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
GB 13.105.221.15:443 tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.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
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 25.73.42.20.in-addr.arpa udp

Files

memory/1020-0-0x0000000074CD0000-0x0000000075480000-memory.dmp

memory/1020-1-0x0000000000C00000-0x0000000000C70000-memory.dmp

memory/1020-2-0x00000000013D0000-0x00000000013E6000-memory.dmp

memory/1020-3-0x0000000005950000-0x0000000005960000-memory.dmp

memory/1020-4-0x00000000062D0000-0x0000000006874000-memory.dmp

memory/1020-5-0x0000000005730000-0x0000000005738000-memory.dmp

memory/1020-6-0x0000000005E00000-0x0000000005E92000-memory.dmp

memory/1020-7-0x0000000074CD0000-0x0000000075480000-memory.dmp