Malware Analysis Report

2024-10-24 21:03

Sample ID 240829-3hf21sycrk
Target c9d8a1567baec7320f844d6415560ae5_JaffaCakes118
SHA256 84591c3c2509d1a20f9a528545f4ad25b6a647618ea71f5dd79617e157040689
Tags
emotet banker discovery trojan cryptone packer
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

84591c3c2509d1a20f9a528545f4ad25b6a647618ea71f5dd79617e157040689

Threat Level: Known bad

The file c9d8a1567baec7320f844d6415560ae5_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet banker discovery trojan cryptone packer

Emotet

CryptOne packer

Drops file in System32 directory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-29 23:30

Signatures

CryptOne packer

cryptone packer
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-29 23:30

Reported

2024-08-29 23:33

Platform

win10v2004-20240802-en

Max time kernel

142s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c9d8a1567baec7320f844d6415560ae5_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\acliprop.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\acliprop.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\acliprop.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\acliprop.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\c9d8a1567baec7320f844d6415560ae5_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\c9d8a1567baec7320f844d6415560ae5_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\acliprop.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\acliprop.exe N/A

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\acliprop.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\acliprop.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\acliprop.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c9d8a1567baec7320f844d6415560ae5_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c9d8a1567baec7320f844d6415560ae5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c9d8a1567baec7320f844d6415560ae5_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\c9d8a1567baec7320f844d6415560ae5_JaffaCakes118.exe

--6304abef

C:\Windows\SysWOW64\acliprop.exe

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

C:\Windows\SysWOW64\acliprop.exe

--7c297a14

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
GB 109.158.205.99:50000 tcp
GB 188.221.112.91:80 tcp
US 8.8.8.8:53 45.19.74.20.in-addr.arpa udp
US 52.111.229.43:443 tcp
PL 88.156.97.210:80 tcp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 45.79.72.132:443 tcp
DE 136.243.117.85:8080 tcp

Files

memory/1632-0-0x0000000002180000-0x0000000002191000-memory.dmp

memory/1632-1-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1632-4-0x0000000002180000-0x0000000002191000-memory.dmp

memory/3156-5-0x0000000000400000-0x0000000000425000-memory.dmp

memory/3156-6-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2056-7-0x0000000000400000-0x0000000000425000-memory.dmp

memory/3156-8-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2056-9-0x0000000000400000-0x0000000000425000-memory.dmp

memory/3156-14-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2032-15-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2032-16-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2032-18-0x0000000000400000-0x0000000000425000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-29 23:30

Reported

2024-08-29 23:33

Platform

win7-20240704-en

Max time kernel

141s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c9d8a1567baec7320f844d6415560ae5_JaffaCakes118.exe"

Signatures

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\texturejobs.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\c9d8a1567baec7320f844d6415560ae5_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\c9d8a1567baec7320f844d6415560ae5_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\texturejobs.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\texturejobs.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\texturejobs.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\texturejobs.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\texturejobs.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B15B16BC-77A5-4C5F-B6F0-10E05BFA25D4}\WpadDecisionReason = "1" C:\Windows\SysWOW64\texturejobs.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B15B16BC-77A5-4C5F-B6F0-10E05BFA25D4}\WpadDecision = "0" C:\Windows\SysWOW64\texturejobs.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-96-af-4b-20-96\WpadDecisionReason = "1" C:\Windows\SysWOW64\texturejobs.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-96-af-4b-20-96\WpadDecisionTime = 304c9d856bfada01 C:\Windows\SysWOW64\texturejobs.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\texturejobs.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\texturejobs.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0072000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\texturejobs.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B15B16BC-77A5-4C5F-B6F0-10E05BFA25D4}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\texturejobs.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-96-af-4b-20-96\WpadDecision = "0" C:\Windows\SysWOW64\texturejobs.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\texturejobs.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B15B16BC-77A5-4C5F-B6F0-10E05BFA25D4} C:\Windows\SysWOW64\texturejobs.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B15B16BC-77A5-4C5F-B6F0-10E05BFA25D4}\c2-96-af-4b-20-96 C:\Windows\SysWOW64\texturejobs.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\texturejobs.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\texturejobs.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\texturejobs.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B15B16BC-77A5-4C5F-B6F0-10E05BFA25D4}\WpadDecisionTime = 304c9d856bfada01 C:\Windows\SysWOW64\texturejobs.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-96-af-4b-20-96 C:\Windows\SysWOW64\texturejobs.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\texturejobs.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c9d8a1567baec7320f844d6415560ae5_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c9d8a1567baec7320f844d6415560ae5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\c9d8a1567baec7320f844d6415560ae5_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\c9d8a1567baec7320f844d6415560ae5_JaffaCakes118.exe

--6304abef

C:\Windows\SysWOW64\texturejobs.exe

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

C:\Windows\SysWOW64\texturejobs.exe

--cc8e7307

Network

Country Destination Domain Proto
GB 109.158.205.99:50000 tcp
GB 109.158.205.99:50000 tcp
GB 188.221.112.91:80 tcp
GB 188.221.112.91:80 tcp
PL 88.156.97.210:80 tcp
PL 88.156.97.210:80 tcp

Files

memory/756-0-0x0000000000220000-0x0000000000231000-memory.dmp

memory/756-1-0x0000000000400000-0x0000000000414000-memory.dmp

memory/756-3-0x0000000000220000-0x0000000000231000-memory.dmp

memory/756-2-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2088-4-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2088-5-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2520-6-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2088-9-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2536-10-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2536-11-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2536-12-0x0000000000400000-0x0000000000414000-memory.dmp