Malware Analysis Report

2024-09-22 22:04

Sample ID 240615-v4vhjayemh
Target af92651fbd190718d77dbfef30375aa6_JaffaCakes118
SHA256 3525a326d6d288a5fe54cb8ef690c0ed4e95a95f4578e6f4385194705b0f0c0a
Tags
emotet 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

3525a326d6d288a5fe54cb8ef690c0ed4e95a95f4578e6f4385194705b0f0c0a

Threat Level: Known bad

The file af92651fbd190718d77dbfef30375aa6_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet banker trojan

Emotet

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-15 17:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-15 17:33

Reported

2024-06-15 17:35

Platform

win7-20240611-en

Max time kernel

135s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_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\certshed.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-98-87-75-04-e4 C:\Windows\SysWOW64\certshed.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{127D41F4-8ED5-49D8-87E8-4A16086AD70F}\b6-98-87-75-04-e4 C:\Windows\SysWOW64\certshed.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-98-87-75-04-e4\WpadDecisionTime = 8039d51c4abfda01 C:\Windows\SysWOW64\certshed.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\certshed.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\certshed.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\certshed.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\certshed.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{127D41F4-8ED5-49D8-87E8-4A16086AD70F} C:\Windows\SysWOW64\certshed.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-98-87-75-04-e4\WpadDecision = "0" C:\Windows\SysWOW64\certshed.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f017c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\certshed.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-98-87-75-04-e4\WpadDecisionReason = "1" C:\Windows\SysWOW64\certshed.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{127D41F4-8ED5-49D8-87E8-4A16086AD70F}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\certshed.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\certshed.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\certshed.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\certshed.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\certshed.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{127D41F4-8ED5-49D8-87E8-4A16086AD70F}\WpadDecisionTime = 8039d51c4abfda01 C:\Windows\SysWOW64\certshed.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\certshed.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\certshed.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{127D41F4-8ED5-49D8-87E8-4A16086AD70F}\WpadDecisionReason = "1" C:\Windows\SysWOW64\certshed.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{127D41F4-8ED5-49D8-87E8-4A16086AD70F}\WpadDecision = "0" C:\Windows\SysWOW64\certshed.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 752 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe
PID 752 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe
PID 752 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe
PID 752 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe
PID 752 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe
PID 752 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe
PID 752 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe
PID 2776 wrote to memory of 2780 N/A C:\Windows\SysWOW64\certshed.exe C:\Windows\SysWOW64\certshed.exe
PID 2776 wrote to memory of 2780 N/A C:\Windows\SysWOW64\certshed.exe C:\Windows\SysWOW64\certshed.exe
PID 2776 wrote to memory of 2780 N/A C:\Windows\SysWOW64\certshed.exe C:\Windows\SysWOW64\certshed.exe
PID 2776 wrote to memory of 2780 N/A C:\Windows\SysWOW64\certshed.exe C:\Windows\SysWOW64\certshed.exe
PID 2776 wrote to memory of 2780 N/A C:\Windows\SysWOW64\certshed.exe C:\Windows\SysWOW64\certshed.exe
PID 2776 wrote to memory of 2780 N/A C:\Windows\SysWOW64\certshed.exe C:\Windows\SysWOW64\certshed.exe
PID 2776 wrote to memory of 2780 N/A C:\Windows\SysWOW64\certshed.exe C:\Windows\SysWOW64\certshed.exe

Processes

C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe"

C:\Windows\SysWOW64\certshed.exe

C:\Windows\SysWOW64\certshed.exe

C:\Windows\SysWOW64\certshed.exe

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

Network

Country Destination Domain Proto
DE 173.212.227.54:443 173.212.227.54 tcp
US 104.236.252.178:8080 tcp
US 104.236.252.178:8080 tcp
US 162.243.159.58:443 tcp
US 162.243.159.58:443 tcp

Files

memory/752-0-0x0000000000270000-0x000000000027D000-memory.dmp

memory/752-1-0x0000000000280000-0x000000000028D000-memory.dmp

memory/752-5-0x0000000000280000-0x000000000028D000-memory.dmp

memory/2744-6-0x00000000005C0000-0x00000000005CD000-memory.dmp

memory/2744-11-0x00000000005D0000-0x00000000005DD000-memory.dmp

memory/2744-7-0x00000000005D0000-0x00000000005DD000-memory.dmp

memory/2776-12-0x0000000000280000-0x000000000028D000-memory.dmp

memory/2776-17-0x0000000000420000-0x000000000042D000-memory.dmp

memory/2776-13-0x0000000000420000-0x000000000042D000-memory.dmp

memory/2780-18-0x0000000000200000-0x000000000020D000-memory.dmp

memory/2780-23-0x0000000000290000-0x000000000029D000-memory.dmp

memory/2780-19-0x0000000000290000-0x000000000029D000-memory.dmp

memory/2744-24-0x0000000000400000-0x0000000000415000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-15 17:33

Reported

2024-06-15 17:35

Platform

win10v2004-20240611-en

Max time kernel

143s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_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\INetCookies C:\Windows\SysWOW64\videoshed.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\videoshed.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 C:\Windows\SysWOW64\videoshed.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\videoshed.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\videoshed.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\videoshed.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\videoshed.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\af92651fbd190718d77dbfef30375aa6_JaffaCakes118.exe"

C:\Windows\SysWOW64\videoshed.exe

C:\Windows\SysWOW64\videoshed.exe

C:\Windows\SysWOW64\videoshed.exe

"C:\Windows\SysWOW64\videoshed.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
BE 2.17.107.129:443 www.bing.com tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 129.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
DE 173.212.227.54:443 173.212.227.54 tcp
US 8.8.8.8:53 54.227.212.173.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 142.53.16.96.in-addr.arpa udp
US 104.236.252.178:8080 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 52.111.227.13:443 tcp
US 162.243.159.58:443 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 45.33.55.157:8080 tcp

Files

memory/748-0-0x00000000006E0000-0x00000000006ED000-memory.dmp

memory/748-5-0x0000000002190000-0x000000000219D000-memory.dmp

memory/748-1-0x0000000002190000-0x000000000219D000-memory.dmp

memory/3932-6-0x00000000004C0000-0x00000000004CD000-memory.dmp

memory/3932-11-0x00000000004D0000-0x00000000004DD000-memory.dmp

memory/3932-7-0x00000000004D0000-0x00000000004DD000-memory.dmp

memory/2188-12-0x0000000000590000-0x000000000059D000-memory.dmp

memory/2188-17-0x00000000005A0000-0x00000000005AD000-memory.dmp

memory/2188-13-0x00000000005A0000-0x00000000005AD000-memory.dmp

memory/4396-18-0x00000000005A0000-0x00000000005AD000-memory.dmp

memory/4396-23-0x00000000005F0000-0x00000000005FD000-memory.dmp

memory/4396-19-0x00000000005F0000-0x00000000005FD000-memory.dmp

memory/3932-24-0x0000000000400000-0x0000000000415000-memory.dmp