Malware Analysis Report

2025-01-03 06:14

Sample ID 240521-t929wsca85
Target 6404079117fdcfa3a34eecb4009b407e_JaffaCakes118
SHA256 bbd2e2fbf9de689b293485b4cd01e9455201a3974a3082b68862e2e98d76d65c
Tags
emotet banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

bbd2e2fbf9de689b293485b4cd01e9455201a3974a3082b68862e2e98d76d65c

Threat Level: Known bad

The file 6404079117fdcfa3a34eecb4009b407e_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

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-21 16:46

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-21 16:46

Reported

2024-05-21 16:48

Platform

win10v2004-20240426-en

Max time kernel

135s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6404079117fdcfa3a34eecb4009b407e_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\shedaudio.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\shedaudio.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\shedaudio.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\shedaudio.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\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\shedaudio.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\shedaudio.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\shedaudio.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6404079117fdcfa3a34eecb4009b407e_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6404079117fdcfa3a34eecb4009b407e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6404079117fdcfa3a34eecb4009b407e_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\6404079117fdcfa3a34eecb4009b407e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6404079117fdcfa3a34eecb4009b407e_JaffaCakes118.exe"

C:\Windows\SysWOW64\shedaudio.exe

C:\Windows\SysWOW64\shedaudio.exe

C:\Windows\SysWOW64\shedaudio.exe

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

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 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
FR 178.32.255.132:7080 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
BG 212.5.159.61:7080 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
FR 92.51.161.43:8080 tcp

Files

memory/4948-4-0x00000000006D0000-0x00000000006DE000-memory.dmp

memory/4948-0-0x00000000006D0000-0x00000000006DE000-memory.dmp

memory/4948-6-0x00000000006E0000-0x00000000006F0000-memory.dmp

memory/4948-5-0x0000000000590000-0x000000000059E000-memory.dmp

memory/1844-11-0x00000000005C0000-0x00000000005CE000-memory.dmp

memory/1844-7-0x00000000005C0000-0x00000000005CE000-memory.dmp

memory/1844-13-0x00000000005D0000-0x00000000005E0000-memory.dmp

memory/1844-12-0x00000000005B0000-0x00000000005BE000-memory.dmp

memory/4948-14-0x0000000000590000-0x000000000059E000-memory.dmp

memory/2364-15-0x0000000000E80000-0x0000000000E8E000-memory.dmp

memory/2364-19-0x0000000000E80000-0x0000000000E8E000-memory.dmp

memory/2364-21-0x0000000000E90000-0x0000000000EA0000-memory.dmp

memory/2364-20-0x0000000000510000-0x000000000051E000-memory.dmp

memory/1036-26-0x00000000005D0000-0x00000000005DE000-memory.dmp

memory/1036-28-0x00000000007C0000-0x00000000007D0000-memory.dmp

memory/1036-27-0x00000000005C0000-0x00000000005CE000-memory.dmp

memory/1036-22-0x00000000005D0000-0x00000000005DE000-memory.dmp

memory/2364-29-0x0000000000510000-0x000000000051E000-memory.dmp

memory/1844-31-0x00000000005B0000-0x00000000005BE000-memory.dmp

memory/1844-30-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1036-32-0x00000000005C0000-0x00000000005CE000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-21 16:46

Reported

2024-05-21 16:48

Platform

win7-20240508-en

Max time kernel

120s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6404079117fdcfa3a34eecb4009b407e_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\dhcpservice.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 C:\Windows\SysWOW64\dhcpservice.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\dhcpservice.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\dhcpservice.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\dhcpservice.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\dhcpservice.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-1c-0c-b7-89-d4 C:\Windows\SysWOW64\dhcpservice.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\dhcpservice.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{63EFE3F9-1A0E-415E-A843-1AE5D215C574}\WpadDecision = "0" C:\Windows\SysWOW64\dhcpservice.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\dhcpservice.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\dhcpservice.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\dhcpservice.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{63EFE3F9-1A0E-415E-A843-1AE5D215C574} C:\Windows\SysWOW64\dhcpservice.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{63EFE3F9-1A0E-415E-A843-1AE5D215C574}\be-1c-0c-b7-89-d4 C:\Windows\SysWOW64\dhcpservice.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-1c-0c-b7-89-d4\WpadDecisionTime = e03fa8709eabda01 C:\Windows\SysWOW64\dhcpservice.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\dhcpservice.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0027000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\dhcpservice.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{63EFE3F9-1A0E-415E-A843-1AE5D215C574}\WpadDecisionReason = "1" C:\Windows\SysWOW64\dhcpservice.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{63EFE3F9-1A0E-415E-A843-1AE5D215C574}\WpadDecisionTime = e03fa8709eabda01 C:\Windows\SysWOW64\dhcpservice.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{63EFE3F9-1A0E-415E-A843-1AE5D215C574}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\dhcpservice.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-1c-0c-b7-89-d4\WpadDecisionReason = "1" C:\Windows\SysWOW64\dhcpservice.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-1c-0c-b7-89-d4\WpadDecision = "0" C:\Windows\SysWOW64\dhcpservice.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6404079117fdcfa3a34eecb4009b407e_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6404079117fdcfa3a34eecb4009b407e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6404079117fdcfa3a34eecb4009b407e_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\6404079117fdcfa3a34eecb4009b407e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6404079117fdcfa3a34eecb4009b407e_JaffaCakes118.exe"

C:\Windows\SysWOW64\dhcpservice.exe

C:\Windows\SysWOW64\dhcpservice.exe

C:\Windows\SysWOW64\dhcpservice.exe

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

Network

Country Destination Domain Proto
FR 178.32.255.132:7080 tcp
FR 178.32.255.132:7080 tcp
BG 212.5.159.61:7080 tcp
BG 212.5.159.61:7080 tcp

Files

memory/2480-0-0x0000000000250000-0x000000000025E000-memory.dmp

memory/2480-4-0x0000000000250000-0x000000000025E000-memory.dmp

memory/2480-6-0x0000000000260000-0x0000000000270000-memory.dmp

memory/2480-5-0x0000000000240000-0x000000000024E000-memory.dmp

memory/2224-11-0x00000000001E0000-0x00000000001EE000-memory.dmp

memory/2224-7-0x00000000001E0000-0x00000000001EE000-memory.dmp

memory/2224-13-0x0000000000280000-0x0000000000290000-memory.dmp

memory/2224-12-0x00000000001D0000-0x00000000001DE000-memory.dmp

memory/2480-14-0x0000000000240000-0x000000000024E000-memory.dmp

memory/1992-19-0x00000000001E0000-0x00000000001EE000-memory.dmp

memory/1992-15-0x00000000001E0000-0x00000000001EE000-memory.dmp

memory/1992-21-0x00000000001F0000-0x0000000000200000-memory.dmp

memory/1992-20-0x00000000001D0000-0x00000000001DE000-memory.dmp

memory/2720-27-0x0000000000240000-0x000000000024E000-memory.dmp

memory/1992-28-0x00000000001D0000-0x00000000001DE000-memory.dmp

memory/2224-29-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2224-30-0x00000000001D0000-0x00000000001DE000-memory.dmp

memory/2720-31-0x0000000000240000-0x000000000024E000-memory.dmp