Malware Analysis Report

2024-09-22 23:42

Sample ID 240605-mwl77add8x
Target 97eb0ce9a951dfa9c61c0afb3c655931_JaffaCakes118
SHA256 37466c19bba687306f7bb9d15a78f2542390d2887ab99f89f3e52c0b6dabe33e
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

37466c19bba687306f7bb9d15a78f2542390d2887ab99f89f3e52c0b6dabe33e

Threat Level: Known bad

The file 97eb0ce9a951dfa9c61c0afb3c655931_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet banker trojan

Emotet

Drops file in System32 directory

Enumerates physical storage devices

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-05 10:48

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-05 10:48

Reported

2024-06-05 10:51

Platform

win7-20240508-en

Max time kernel

141s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\97eb0ce9a951dfa9c61c0afb3c655931_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\sonicwrap.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\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\sonicwrap.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f003b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\sonicwrap.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{18F780D2-A0DF-459F-89CA-8CFBFF4F2E4B}\WpadDecisionTime = d05e5d0936b7da01 C:\Windows\SysWOW64\sonicwrap.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-b6-f7-94-93-9f C:\Windows\SysWOW64\sonicwrap.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-b6-f7-94-93-9f\WpadDecisionTime = d05e5d0936b7da01 C:\Windows\SysWOW64\sonicwrap.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\sonicwrap.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\sonicwrap.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{18F780D2-A0DF-459F-89CA-8CFBFF4F2E4B}\de-b6-f7-94-93-9f C:\Windows\SysWOW64\sonicwrap.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\sonicwrap.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\sonicwrap.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{18F780D2-A0DF-459F-89CA-8CFBFF4F2E4B} C:\Windows\SysWOW64\sonicwrap.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-b6-f7-94-93-9f\WpadDecisionReason = "1" C:\Windows\SysWOW64\sonicwrap.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-b6-f7-94-93-9f\WpadDecision = "0" C:\Windows\SysWOW64\sonicwrap.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\sonicwrap.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\sonicwrap.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\sonicwrap.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\sonicwrap.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\sonicwrap.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{18F780D2-A0DF-459F-89CA-8CFBFF4F2E4B}\WpadDecisionReason = "1" C:\Windows\SysWOW64\sonicwrap.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{18F780D2-A0DF-459F-89CA-8CFBFF4F2E4B}\WpadDecision = "0" C:\Windows\SysWOW64\sonicwrap.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{18F780D2-A0DF-459F-89CA-8CFBFF4F2E4B}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\sonicwrap.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\97eb0ce9a951dfa9c61c0afb3c655931_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\97eb0ce9a951dfa9c61c0afb3c655931_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\97eb0ce9a951dfa9c61c0afb3c655931_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\97eb0ce9a951dfa9c61c0afb3c655931_JaffaCakes118.exe

--46525ddf

C:\Windows\SysWOW64\sonicwrap.exe

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

C:\Windows\SysWOW64\sonicwrap.exe

--fbfa002c

Network

Country Destination Domain Proto
QA 37.211.38.50:80 tcp
QA 37.211.38.50:80 tcp
US 75.177.169.225:80 tcp
US 75.177.169.225:80 tcp
CA 50.99.132.7:465 tcp
CA 50.99.132.7:465 tcp

Files

memory/2056-0-0x00000000001B0000-0x00000000001C1000-memory.dmp

memory/2056-1-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2056-4-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2056-3-0x00000000001B0000-0x00000000001C1000-memory.dmp

memory/1608-5-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1608-6-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2560-7-0x0000000000400000-0x0000000000430000-memory.dmp

memory/1608-10-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2100-11-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2100-12-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2100-13-0x0000000000400000-0x0000000000414000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-05 10:48

Reported

2024-06-05 10:51

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\97eb0ce9a951dfa9c61c0afb3c655931_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\commentunpack.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\commentunpack.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\commentunpack.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\commentunpack.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\commentunpack.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\commentunpack.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\commentunpack.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\97eb0ce9a951dfa9c61c0afb3c655931_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\97eb0ce9a951dfa9c61c0afb3c655931_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\97eb0ce9a951dfa9c61c0afb3c655931_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\97eb0ce9a951dfa9c61c0afb3c655931_JaffaCakes118.exe

--46525ddf

C:\Windows\SysWOW64\commentunpack.exe

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

C:\Windows\SysWOW64\commentunpack.exe

--1f70e907

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
QA 37.211.38.50:80 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 75.177.169.225:80 tcp
MX 189.134.78.42:50000 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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 204.79.197.200:443 tse1.mm.bing.net tcp
QA 178.152.78.149:20 tcp
GB 217.199.175.217:8080 tcp

Files

memory/2192-0-0x0000000002050000-0x0000000002061000-memory.dmp

memory/2192-1-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2192-3-0x0000000002050000-0x0000000002061000-memory.dmp

memory/2616-4-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2708-5-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2616-8-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3540-10-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3540-11-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3540-14-0x0000000000400000-0x0000000000430000-memory.dmp

memory/3540-15-0x0000000000400000-0x0000000000430000-memory.dmp