Malware Analysis Report

2024-09-22 23:21

Sample ID 240527-twkspabb76
Target 79bac4334dc123c612ec36d003ab60f8_JaffaCakes118
SHA256 8a69ebc7ed429210e3f599c809699cd3204ab237ed7a766859822690a1381455
Tags
emotet epoch2 banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

8a69ebc7ed429210e3f599c809699cd3204ab237ed7a766859822690a1381455

Threat Level: Known bad

The file 79bac4334dc123c612ec36d003ab60f8_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch2 banker trojan

Emotet

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-05-27 16:24

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-27 16:24

Reported

2024-05-27 16:27

Platform

win7-20240221-en

Max time kernel

136s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat C:\Windows\SysWOW64\publishmailbox.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FA1BBD2F-E8B6-4DD1-8D1E-6567BD2EE38B}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\publishmailbox.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f007b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\publishmailbox.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FA1BBD2F-E8B6-4DD1-8D1E-6567BD2EE38B}\WpadDecisionTime = 70147d6f52b0da01 C:\Windows\SysWOW64\publishmailbox.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-06-a1-c9-6d-1e\WpadDecisionReason = "1" C:\Windows\SysWOW64\publishmailbox.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\publishmailbox.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f007b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\publishmailbox.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-06-a1-c9-6d-1e C:\Windows\SysWOW64\publishmailbox.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FA1BBD2F-E8B6-4DD1-8D1E-6567BD2EE38B}\WpadDecisionTime = 304561a952b0da01 C:\Windows\SysWOW64\publishmailbox.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\publishmailbox.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-06-a1-c9-6d-1e\WpadDecision = "0" C:\Windows\SysWOW64\publishmailbox.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FA1BBD2F-E8B6-4DD1-8D1E-6567BD2EE38B}\WpadDecision = "0" C:\Windows\SysWOW64\publishmailbox.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-06-a1-c9-6d-1e\WpadDetectedUrl C:\Windows\SysWOW64\publishmailbox.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\publishmailbox.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\publishmailbox.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\publishmailbox.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\publishmailbox.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\publishmailbox.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FA1BBD2F-E8B6-4DD1-8D1E-6567BD2EE38B} C:\Windows\SysWOW64\publishmailbox.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FA1BBD2F-E8B6-4DD1-8D1E-6567BD2EE38B}\WpadDecisionReason = "1" C:\Windows\SysWOW64\publishmailbox.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FA1BBD2F-E8B6-4DD1-8D1E-6567BD2EE38B}\06-06-a1-c9-6d-1e C:\Windows\SysWOW64\publishmailbox.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-06-a1-c9-6d-1e\WpadDecisionTime = 304561a952b0da01 C:\Windows\SysWOW64\publishmailbox.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\publishmailbox.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\publishmailbox.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-06-a1-c9-6d-1e\WpadDecisionTime = 70147d6f52b0da01 C:\Windows\SysWOW64\publishmailbox.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\publishmailbox.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe

--f6049c8e

C:\Windows\SysWOW64\publishmailbox.exe

"C:\Windows\SysWOW64\publishmailbox.exe"

C:\Windows\SysWOW64\publishmailbox.exe

--22acc977

Network

Country Destination Domain Proto
US 66.209.97.122:8080 tcp
US 66.209.97.122:8080 tcp
US 174.77.190.137:8080 tcp
US 174.77.190.137:8080 tcp
US 104.137.176.186:80 tcp
US 104.137.176.186:80 tcp
DE 165.227.156.155:443 165.227.156.155 tcp
US 167.99.105.223:7080 tcp

Files

memory/1708-0-0x00000000003C0000-0x00000000003D7000-memory.dmp

memory/3032-5-0x0000000000240000-0x0000000000257000-memory.dmp

memory/3064-10-0x0000000000390000-0x00000000003A7000-memory.dmp

memory/3032-15-0x0000000000400000-0x0000000000457000-memory.dmp

memory/2580-16-0x00000000005F0000-0x0000000000607000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-27 16:24

Reported

2024-05-27 16:27

Platform

win10v2004-20240426-en

Max time kernel

142s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 C:\Windows\SysWOW64\componsensor.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\componsensor.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\componsensor.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\componsensor.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\componsensor.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\componsensor.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\componsensor.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\79bac4334dc123c612ec36d003ab60f8_JaffaCakes118.exe

--f6049c8e

C:\Windows\SysWOW64\componsensor.exe

"C:\Windows\SysWOW64\componsensor.exe"

C:\Windows\SysWOW64\componsensor.exe

--562a88da

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 18.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 66.209.97.122:8080 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 174.77.190.137:8080 tcp
US 104.137.176.186:80 tcp
DE 165.227.156.155:443 165.227.156.155 tcp
US 8.8.8.8:53 155.156.227.165.in-addr.arpa udp
US 167.99.105.223:7080 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 67.225.179.64:8080 tcp
FR 176.31.200.130:8080 tcp

Files

memory/2588-0-0x0000000002250000-0x0000000002267000-memory.dmp

memory/3380-5-0x0000000001FB0000-0x0000000001FC7000-memory.dmp

memory/3712-10-0x0000000000D70000-0x0000000000D87000-memory.dmp

memory/3380-15-0x0000000000400000-0x0000000000457000-memory.dmp

memory/2488-16-0x0000000000D50000-0x0000000000D67000-memory.dmp