Malware Analysis Report

2024-10-18 21:18

Sample ID 240515-ybl78sgc8t
Target 47b42763b8924366892f4b2fade77a80_JaffaCakes118
SHA256 b00f2be1a391c8016a196d3ef21fd2729c4597a34f1c3be817d47377338a0d72
Tags
emotet epoch3 banker 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

b00f2be1a391c8016a196d3ef21fd2729c4597a34f1c3be817d47377338a0d72

Threat Level: Known bad

The file 47b42763b8924366892f4b2fade77a80_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch3 banker trojan

Emotet

Emotet payload

Executes dropped EXE

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-15 19:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-15 19:36

Reported

2024-05-15 19:39

Platform

win7-20240508-en

Max time kernel

146s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\47b42763b8924366892f4b2fade77a80_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Emotet payload

trojan banker
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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\mfc110chs\NlsLexicons0020.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\mfc110chs\NlsLexicons0020.exe C:\Users\Admin\AppData\Local\Temp\47b42763b8924366892f4b2fade77a80_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\47b42763b8924366892f4b2fade77a80_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\47b42763b8924366892f4b2fade77a80_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\47b42763b8924366892f4b2fade77a80_JaffaCakes118.exe"

C:\Windows\SysWOW64\mfc110chs\NlsLexicons0020.exe

"C:\Windows\SysWOW64\mfc110chs\NlsLexicons0020.exe"

Network

Country Destination Domain Proto
AR 190.192.39.136:80 tcp
AR 190.192.39.136:80 tcp
DE 5.189.168.53:8080 tcp
DE 5.189.168.53:8080 tcp
US 162.241.41.111:7080 tcp
US 162.241.41.111:7080 tcp
CO 190.85.46.52:7080 tcp

Files

memory/328-4-0x00000000001F0000-0x0000000000200000-memory.dmp

memory/328-0-0x00000000001D0000-0x00000000001E2000-memory.dmp

memory/328-7-0x00000000001C0000-0x00000000001CF000-memory.dmp

memory/328-9-0x0000000000400000-0x000000000041D000-memory.dmp

C:\Windows\SysWOW64\mfc110chs\NlsLexicons0020.exe

MD5 47b42763b8924366892f4b2fade77a80
SHA1 332fd3a8fa4bb3a2c3470e1d24a7f7cc717af9d7
SHA256 b00f2be1a391c8016a196d3ef21fd2729c4597a34f1c3be817d47377338a0d72
SHA512 7e937a43ec94a3ee4e9010c27da36fd589e5aa9a7965682d7c5be1391a481bf31b472235f097bd59634e0e9c6b66710913c73d3c3535417ab8b06c6caef271d8

memory/3044-14-0x0000000000260000-0x0000000000270000-memory.dmp

memory/3044-10-0x0000000000240000-0x0000000000252000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-15 19:36

Reported

2024-05-15 19:39

Platform

win10v2004-20240508-en

Max time kernel

141s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\47b42763b8924366892f4b2fade77a80_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Emotet payload

trojan banker
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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\ReAgentc\iernonce.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\ReAgentc\iernonce.exe C:\Users\Admin\AppData\Local\Temp\47b42763b8924366892f4b2fade77a80_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\47b42763b8924366892f4b2fade77a80_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\47b42763b8924366892f4b2fade77a80_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\47b42763b8924366892f4b2fade77a80_JaffaCakes118.exe"

C:\Windows\SysWOW64\ReAgentc\iernonce.exe

"C:\Windows\SysWOW64\ReAgentc\iernonce.exe"

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 --field-trial-handle=3608,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=4372 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
BE 2.17.196.145:443 www.bing.com tcp
US 8.8.8.8:53 145.196.17.2.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
AR 190.192.39.136:80 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 21.121.18.2.in-addr.arpa udp
DE 5.189.168.53:8080 tcp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 162.241.41.111:7080 tcp
CO 190.85.46.52:7080 tcp
US 8.8.8.8:53 91.65.42.20.in-addr.arpa udp
AR 190.190.15.20:80 tcp
AR 181.95.133.104:80 tcp

Files

memory/3144-4-0x0000000002080000-0x0000000002090000-memory.dmp

memory/3144-0-0x0000000002060000-0x0000000002072000-memory.dmp

memory/3144-7-0x0000000002050000-0x000000000205F000-memory.dmp

C:\Windows\SysWOW64\ReAgentc\iernonce.exe

MD5 47b42763b8924366892f4b2fade77a80
SHA1 332fd3a8fa4bb3a2c3470e1d24a7f7cc717af9d7
SHA256 b00f2be1a391c8016a196d3ef21fd2729c4597a34f1c3be817d47377338a0d72
SHA512 7e937a43ec94a3ee4e9010c27da36fd589e5aa9a7965682d7c5be1391a481bf31b472235f097bd59634e0e9c6b66710913c73d3c3535417ab8b06c6caef271d8

memory/3144-9-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2720-14-0x00000000005E0000-0x00000000005F0000-memory.dmp

memory/2720-10-0x00000000004A0000-0x00000000004B2000-memory.dmp