Malware Analysis Report

2024-10-18 21:19

Sample ID 240511-2vrhvach5s
Target 36f9dc7a20be3137e19a26d23a27e398_JaffaCakes118
SHA256 3f53e22e3574f7dd28f31191f4e7df4777ecf026bf170ce5205753dd7b2044eb
Tags
emotet epoch2 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

3f53e22e3574f7dd28f31191f4e7df4777ecf026bf170ce5205753dd7b2044eb

Threat Level: Known bad

The file 36f9dc7a20be3137e19a26d23a27e398_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch2 banker trojan

Emotet

Executes dropped EXE

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: RenamesItself

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-11 22:54

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-11 22:54

Reported

2024-05-11 22:57

Platform

win7-20240508-en

Max time kernel

144s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\36f9dc7a20be3137e19a26d23a27e398_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\mfc140deu\NlsLexicons004b.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\mfc140deu\NlsLexicons004b.exe C:\Users\Admin\AppData\Local\Temp\36f9dc7a20be3137e19a26d23a27e398_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\36f9dc7a20be3137e19a26d23a27e398_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\36f9dc7a20be3137e19a26d23a27e398_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\36f9dc7a20be3137e19a26d23a27e398_JaffaCakes118.exe"

C:\Windows\SysWOW64\mfc140deu\NlsLexicons004b.exe

"C:\Windows\SysWOW64\mfc140deu\NlsLexicons004b.exe"

Network

Country Destination Domain Proto
US 107.5.122.110:80 tcp
US 107.5.122.110:80 tcp
US 199.101.86.6:443 tcp
US 199.101.86.6:443 tcp
US 45.55.219.163:443 tcp
US 45.55.219.163:443 tcp
GB 62.30.7.67:443 tcp

Files

memory/1608-0-0x00000000003F0000-0x00000000003FC000-memory.dmp

memory/1608-4-0x00000000003E0000-0x00000000003E9000-memory.dmp

C:\Windows\SysWOW64\mfc140deu\NlsLexicons004b.exe

MD5 36f9dc7a20be3137e19a26d23a27e398
SHA1 c994cdb8d4ed00a2751874e59c105a630fd1d195
SHA256 3f53e22e3574f7dd28f31191f4e7df4777ecf026bf170ce5205753dd7b2044eb
SHA512 683e0eca5dbb504235bf954d4545044c4619c8421214204f31d6261c6c33368bbdbea77eba6ddaf074b2485d245e4b8175b8e66b98b5c2efd8f043ca39a60470

memory/1608-6-0x0000000000400000-0x000000000048C000-memory.dmp

memory/2604-7-0x0000000000370000-0x000000000037C000-memory.dmp

memory/2604-11-0x0000000000370000-0x000000000037C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-11 22:54

Reported

2024-05-11 22:57

Platform

win10v2004-20240508-en

Max time kernel

133s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\36f9dc7a20be3137e19a26d23a27e398_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\wlanui\NaturalLanguage6.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\wlanui\NaturalLanguage6.exe C:\Users\Admin\AppData\Local\Temp\36f9dc7a20be3137e19a26d23a27e398_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\36f9dc7a20be3137e19a26d23a27e398_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\36f9dc7a20be3137e19a26d23a27e398_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\36f9dc7a20be3137e19a26d23a27e398_JaffaCakes118.exe"

C:\Windows\SysWOW64\wlanui\NaturalLanguage6.exe

"C:\Windows\SysWOW64\wlanui\NaturalLanguage6.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 107.5.122.110:80 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 82.190.18.2.in-addr.arpa udp
US 199.101.86.6:443 tcp
US 45.55.219.163:443 tcp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
GB 62.30.7.67:443 tcp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
DE 185.94.252.104:443 tcp
SG 203.117.253.142:80 tcp

Files

memory/3592-0-0x0000000002200000-0x000000000220C000-memory.dmp

memory/3592-4-0x00000000021F0000-0x00000000021F9000-memory.dmp

C:\Windows\SysWOW64\wlanui\NaturalLanguage6.exe

MD5 36f9dc7a20be3137e19a26d23a27e398
SHA1 c994cdb8d4ed00a2751874e59c105a630fd1d195
SHA256 3f53e22e3574f7dd28f31191f4e7df4777ecf026bf170ce5205753dd7b2044eb
SHA512 683e0eca5dbb504235bf954d4545044c4619c8421214204f31d6261c6c33368bbdbea77eba6ddaf074b2485d245e4b8175b8e66b98b5c2efd8f043ca39a60470

memory/3592-6-0x0000000000400000-0x000000000048C000-memory.dmp

memory/1760-7-0x0000000002A50000-0x0000000002A5C000-memory.dmp

memory/1760-11-0x0000000002A50000-0x0000000002A5C000-memory.dmp