Malware Analysis Report

2025-01-03 06:14

Sample ID 240522-k65q6sad9s
Target 66c273a95fd2eb12ed8e75aeb0605494_JaffaCakes118
SHA256 41211980277a51bf212201d797d6279e6d50e3926df5014d0a6b7d28ac18e1a9
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

41211980277a51bf212201d797d6279e6d50e3926df5014d0a6b7d28ac18e1a9

Threat Level: Known bad

The file 66c273a95fd2eb12ed8e75aeb0605494_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

2024-05-22 09:13

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-22 09:13

Reported

2024-05-22 09:16

Platform

win7-20240221-en

Max time kernel

118s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\66c273a95fd2eb12ed8e75aeb0605494_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\svcservice.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\{3E403E90-F009-4033-8306-D831E368A89F}\16-7c-e5-e2-85-ce C:\Windows\SysWOW64\svcservice.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\svcservice.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\svcservice.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\svcservice.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\svcservice.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3E403E90-F009-4033-8306-D831E368A89F}\WpadDecisionReason = "1" C:\Windows\SysWOW64\svcservice.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3E403E90-F009-4033-8306-D831E368A89F}\WpadDecision = "0" C:\Windows\SysWOW64\svcservice.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3E403E90-F009-4033-8306-D831E368A89F}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\svcservice.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\16-7c-e5-e2-85-ce C:\Windows\SysWOW64\svcservice.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\svcservice.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\svcservice.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\svcservice.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\16-7c-e5-e2-85-ce\WpadDecisionTime = 104bf86428acda01 C:\Windows\SysWOW64\svcservice.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\svcservice.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\svcservice.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\16-7c-e5-e2-85-ce\WpadDecisionReason = "1" C:\Windows\SysWOW64\svcservice.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3E403E90-F009-4033-8306-D831E368A89F}\WpadDecisionTime = 104bf86428acda01 C:\Windows\SysWOW64\svcservice.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\16-7c-e5-e2-85-ce\WpadDecision = "0" C:\Windows\SysWOW64\svcservice.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\svcservice.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00e1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\svcservice.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3E403E90-F009-4033-8306-D831E368A89F} C:\Windows\SysWOW64\svcservice.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\66c273a95fd2eb12ed8e75aeb0605494_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\66c273a95fd2eb12ed8e75aeb0605494_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\66c273a95fd2eb12ed8e75aeb0605494_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\66c273a95fd2eb12ed8e75aeb0605494_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\66c273a95fd2eb12ed8e75aeb0605494_JaffaCakes118.exe"

C:\Windows\SysWOW64\svcservice.exe

C:\Windows\SysWOW64\svcservice.exe

C:\Windows\SysWOW64\svcservice.exe

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

Network

Country Destination Domain Proto
US 69.16.193.12:4143 tcp
US 69.16.193.12:4143 tcp
FR 178.32.255.132:7080 tcp
FR 178.32.255.132:7080 tcp

Files

memory/2172-0-0x00000000002D0000-0x00000000002DE000-memory.dmp

memory/2172-1-0x00000000002E0000-0x00000000002EE000-memory.dmp

memory/2172-5-0x00000000002E0000-0x00000000002EE000-memory.dmp

memory/2172-6-0x0000000000370000-0x0000000000380000-memory.dmp

memory/1032-7-0x0000000000250000-0x000000000025E000-memory.dmp

memory/1032-12-0x0000000000260000-0x000000000026E000-memory.dmp

memory/1032-8-0x0000000000260000-0x000000000026E000-memory.dmp

memory/1032-13-0x0000000000270000-0x0000000000280000-memory.dmp

memory/2172-14-0x00000000002D0000-0x00000000002DE000-memory.dmp

memory/2684-19-0x00000000002E0000-0x00000000002EE000-memory.dmp

memory/2684-15-0x00000000002E0000-0x00000000002EE000-memory.dmp

memory/2684-20-0x00000000002F0000-0x0000000000300000-memory.dmp

memory/2544-25-0x0000000000360000-0x000000000036E000-memory.dmp

memory/2544-21-0x0000000000360000-0x000000000036E000-memory.dmp

memory/2544-27-0x0000000000370000-0x0000000000380000-memory.dmp

memory/2544-26-0x0000000000350000-0x000000000035E000-memory.dmp

memory/1032-29-0x0000000000250000-0x000000000025E000-memory.dmp

memory/1032-28-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2544-30-0x0000000000350000-0x000000000035E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-22 09:13

Reported

2024-05-22 09:16

Platform

win10v2004-20240426-en

Max time kernel

133s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\66c273a95fd2eb12ed8e75aeb0605494_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\rpcapp.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\rpcapp.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\rpcapp.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\rpcapp.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\rpcapp.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\rpcapp.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\rpcapp.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\66c273a95fd2eb12ed8e75aeb0605494_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\66c273a95fd2eb12ed8e75aeb0605494_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\66c273a95fd2eb12ed8e75aeb0605494_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\66c273a95fd2eb12ed8e75aeb0605494_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\66c273a95fd2eb12ed8e75aeb0605494_JaffaCakes118.exe"

C:\Windows\SysWOW64\rpcapp.exe

C:\Windows\SysWOW64\rpcapp.exe

C:\Windows\SysWOW64\rpcapp.exe

"C:\Windows\SysWOW64\rpcapp.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 23.62.61.129:443 www.bing.com tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 129.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 69.16.193.12:4143 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
FR 178.32.255.132:7080 tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.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 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
BG 212.5.159.61:7080 tcp

Files

memory/2320-0-0x0000000000B80000-0x0000000000B8E000-memory.dmp

memory/2320-5-0x00000000021B0000-0x00000000021BE000-memory.dmp

memory/2320-1-0x00000000021B0000-0x00000000021BE000-memory.dmp

memory/2320-6-0x00000000021C0000-0x00000000021D0000-memory.dmp

memory/4268-7-0x00000000006B0000-0x00000000006BE000-memory.dmp

memory/4268-12-0x00000000006E0000-0x00000000006EE000-memory.dmp

memory/4268-8-0x00000000006E0000-0x00000000006EE000-memory.dmp

memory/4268-13-0x00000000006F0000-0x0000000000700000-memory.dmp

memory/2320-14-0x0000000000B80000-0x0000000000B8E000-memory.dmp

memory/1536-15-0x00000000005A0000-0x00000000005AE000-memory.dmp

memory/1536-20-0x00000000005D0000-0x00000000005DE000-memory.dmp

memory/1536-16-0x00000000005D0000-0x00000000005DE000-memory.dmp

memory/1536-21-0x00000000006F0000-0x0000000000700000-memory.dmp

memory/1876-22-0x00000000009B0000-0x00000000009BE000-memory.dmp

memory/1876-26-0x00000000009B0000-0x00000000009BE000-memory.dmp

memory/1876-28-0x00000000009C0000-0x00000000009D0000-memory.dmp

memory/1876-27-0x0000000000980000-0x000000000098E000-memory.dmp

memory/1536-29-0x00000000005A0000-0x00000000005AE000-memory.dmp

memory/4268-30-0x0000000000400000-0x0000000000420000-memory.dmp

memory/4268-31-0x00000000006B0000-0x00000000006BE000-memory.dmp

memory/1876-32-0x0000000000980000-0x000000000098E000-memory.dmp