Malware Analysis Report

2025-01-03 05:37

Sample ID 240713-q48ypsvglh
Target 41ef82921697cb1c0ad4c2acb3ccd0ba_JaffaCakes118
SHA256 e5be3c0b66d7c3c2986202faf860f4cce41892db64c91e8322a57c2e4c23ecf0
Tags
emotet 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

e5be3c0b66d7c3c2986202faf860f4cce41892db64c91e8322a57c2e4c23ecf0

Threat Level: Known bad

The file 41ef82921697cb1c0ad4c2acb3ccd0ba_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet banker trojan

Emotet

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-13 13:50

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-13 13:50

Reported

2024-07-13 13:52

Platform

win7-20240705-en

Max time kernel

147s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\41ef82921697cb1c0ad4c2acb3ccd0ba_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\bulkrelated.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f006c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\bulkrelated.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A393F264-E704-488B-87B4-3D2019419C48}\WpadDecisionTime = 40ceffa02bd5da01 C:\Windows\SysWOW64\bulkrelated.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-f3-e3-0f-5f-1c C:\Windows\SysWOW64\bulkrelated.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-f3-e3-0f-5f-1c\WpadDecisionReason = "1" C:\Windows\SysWOW64\bulkrelated.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-f3-e3-0f-5f-1c\WpadDecisionTime = 40ceffa02bd5da01 C:\Windows\SysWOW64\bulkrelated.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\bulkrelated.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\bulkrelated.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\bulkrelated.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\bulkrelated.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A393F264-E704-488B-87B4-3D2019419C48}\WpadDecisionReason = "1" C:\Windows\SysWOW64\bulkrelated.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A393F264-E704-488B-87B4-3D2019419C48}\52-f3-e3-0f-5f-1c C:\Windows\SysWOW64\bulkrelated.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-f3-e3-0f-5f-1c\WpadDecision = "0" C:\Windows\SysWOW64\bulkrelated.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\bulkrelated.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\bulkrelated.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\bulkrelated.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A393F264-E704-488B-87B4-3D2019419C48}\WpadDecision = "0" C:\Windows\SysWOW64\bulkrelated.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A393F264-E704-488B-87B4-3D2019419C48}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\bulkrelated.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\bulkrelated.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\bulkrelated.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\bulkrelated.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A393F264-E704-488B-87B4-3D2019419C48} C:\Windows\SysWOW64\bulkrelated.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\41ef82921697cb1c0ad4c2acb3ccd0ba_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\41ef82921697cb1c0ad4c2acb3ccd0ba_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\41ef82921697cb1c0ad4c2acb3ccd0ba_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\41ef82921697cb1c0ad4c2acb3ccd0ba_JaffaCakes118.exe

--deb9995f

C:\Windows\SysWOW64\bulkrelated.exe

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

C:\Windows\SysWOW64\bulkrelated.exe

--8591e8ef

Network

Country Destination Domain Proto
GB 80.0.106.83:80 tcp
GB 80.0.106.83:80 tcp
GB 81.143.213.156:7080 tcp
GB 81.143.213.156:7080 tcp
GB 86.155.233.74:8080 tcp
GB 86.155.233.74:8080 tcp

Files

memory/884-0-0x0000000000400000-0x0000000000415000-memory.dmp

memory/884-2-0x0000000000220000-0x0000000000221000-memory.dmp

memory/884-3-0x0000000000230000-0x0000000000231000-memory.dmp

memory/884-5-0x0000000000400000-0x0000000000415000-memory.dmp

memory/884-1-0x0000000000400000-0x0000000000415000-memory.dmp

memory/2468-6-0x00000000001B0000-0x00000000001B1000-memory.dmp

memory/2868-8-0x0000000000400000-0x0000000000415000-memory.dmp

memory/2868-9-0x00000000001B0000-0x00000000001B1000-memory.dmp

memory/2468-13-0x0000000000400000-0x0000000000415000-memory.dmp

memory/2936-14-0x0000000000400000-0x0000000000415000-memory.dmp

memory/2936-16-0x0000000000400000-0x0000000000415000-memory.dmp

memory/2936-17-0x0000000000400000-0x0000000000415000-memory.dmp

memory/2936-22-0x0000000000400000-0x0000000000415000-memory.dmp

memory/2936-26-0x0000000000400000-0x0000000000415000-memory.dmp

memory/2936-27-0x0000000000400000-0x0000000000415000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-13 13:50

Reported

2024-07-13 13:52

Platform

win10v2004-20240709-en

Max time kernel

146s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\41ef82921697cb1c0ad4c2acb3ccd0ba_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\itsviewer.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\itsviewer.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\itsviewer.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\itsviewer.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\itsviewer.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\itsviewer.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\itsviewer.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\41ef82921697cb1c0ad4c2acb3ccd0ba_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\41ef82921697cb1c0ad4c2acb3ccd0ba_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\41ef82921697cb1c0ad4c2acb3ccd0ba_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\41ef82921697cb1c0ad4c2acb3ccd0ba_JaffaCakes118.exe

--deb9995f

C:\Windows\SysWOW64\itsviewer.exe

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

C:\Windows\SysWOW64\itsviewer.exe

--cd537cb0

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
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
GB 80.0.106.83:80 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
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
GB 81.143.213.156:7080 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
GB 86.155.233.74:8080 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
EC 186.71.75.2:80 tcp
EC 181.211.130.109:443 tcp

Files

memory/1540-0-0x0000000000400000-0x0000000000415000-memory.dmp

memory/1540-2-0x0000000000400000-0x0000000000415000-memory.dmp

memory/1540-1-0x0000000000520000-0x0000000000521000-memory.dmp

memory/1540-4-0x0000000000400000-0x0000000000415000-memory.dmp

memory/1708-8-0x0000000000580000-0x0000000000581000-memory.dmp

memory/1708-5-0x0000000000500000-0x0000000000501000-memory.dmp

memory/1708-6-0x0000000000400000-0x0000000000415000-memory.dmp

memory/1708-12-0x0000000000400000-0x0000000000415000-memory.dmp

memory/5012-14-0x0000000000460000-0x0000000000461000-memory.dmp

memory/5012-15-0x0000000000400000-0x0000000000415000-memory.dmp

memory/5012-16-0x0000000000400000-0x0000000000415000-memory.dmp

memory/5012-17-0x0000000000400000-0x0000000000415000-memory.dmp

memory/5012-19-0x0000000000400000-0x0000000000415000-memory.dmp

memory/5012-21-0x0000000000400000-0x0000000000415000-memory.dmp

memory/5012-22-0x0000000000400000-0x0000000000415000-memory.dmp

memory/5012-24-0x0000000000400000-0x0000000000415000-memory.dmp

memory/5012-26-0x0000000000400000-0x0000000000415000-memory.dmp

memory/5012-27-0x0000000000400000-0x0000000000415000-memory.dmp