Malware Analysis Report

2024-10-16 05:22

Sample ID 240726-e1fl7szalh
Target 7293725612edaa9558ee66272a2219f5_JaffaCakes118
SHA256 5a98232c5982caa5e5789d9aa674ec05e058806f165b91d5c6eeb38069d8a6e7
Tags
cryptone packer emotet banker discovery 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

5a98232c5982caa5e5789d9aa674ec05e058806f165b91d5c6eeb38069d8a6e7

Threat Level: Known bad

The file 7293725612edaa9558ee66272a2219f5_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

cryptone packer emotet banker discovery trojan

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 UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-26 04:24

Signatures

CryptOne packer

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-26 04:24

Reported

2024-07-26 04:46

Platform

win7-20240705-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7293725612edaa9558ee66272a2219f5_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\menusadam.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\7293725612edaa9558ee66272a2219f5_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\menusadam.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\menusadam.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7293725612edaa9558ee66272a2219f5_JaffaCakes118.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\menusadam.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\menusadam.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\menusadam.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0BA21686-BB6A-4C03-B3BC-AE90EC8F2B19}\WpadDecisionTime = e032a39016dfda01 C:\Windows\SysWOW64\menusadam.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6e-2c-5e-e8-fc-2b\WpadDecisionReason = "1" C:\Windows\SysWOW64\menusadam.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\menusadam.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00f1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\menusadam.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\menusadam.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\menusadam.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\menusadam.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0BA21686-BB6A-4C03-B3BC-AE90EC8F2B19}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\menusadam.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6e-2c-5e-e8-fc-2b\WpadDecisionTime = e032a39016dfda01 C:\Windows\SysWOW64\menusadam.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6e-2c-5e-e8-fc-2b\WpadDecision = "0" C:\Windows\SysWOW64\menusadam.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6e-2c-5e-e8-fc-2b C:\Windows\SysWOW64\menusadam.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0BA21686-BB6A-4C03-B3BC-AE90EC8F2B19}\6e-2c-5e-e8-fc-2b C:\Windows\SysWOW64\menusadam.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\menusadam.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\menusadam.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\menusadam.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0BA21686-BB6A-4C03-B3BC-AE90EC8F2B19} C:\Windows\SysWOW64\menusadam.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0BA21686-BB6A-4C03-B3BC-AE90EC8F2B19}\WpadDecisionReason = "1" C:\Windows\SysWOW64\menusadam.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0BA21686-BB6A-4C03-B3BC-AE90EC8F2B19}\WpadDecision = "0" C:\Windows\SysWOW64\menusadam.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7293725612edaa9558ee66272a2219f5_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7293725612edaa9558ee66272a2219f5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7293725612edaa9558ee66272a2219f5_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\7293725612edaa9558ee66272a2219f5_JaffaCakes118.exe

--d36250c7

C:\Windows\SysWOW64\menusadam.exe

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

C:\Windows\SysWOW64\menusadam.exe

--a9bf2339

Network

Country Destination Domain Proto
ZW 154.120.228.126:8080 tcp
ZW 154.120.228.126:8080 tcp
AR 190.104.229.114:8090 tcp
AR 190.104.229.114:8090 tcp
AR 181.118.101.22:8080 tcp
AR 181.118.101.22:8080 tcp

Files

memory/2868-0-0x0000000000220000-0x000000000023B000-memory.dmp

memory/2868-2-0x0000000000220000-0x000000000023B000-memory.dmp

memory/2868-3-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2920-4-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2356-5-0x0000000000400000-0x0000000000435000-memory.dmp

memory/2920-8-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1932-9-0x0000000000400000-0x0000000000435000-memory.dmp

memory/1932-10-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1932-11-0x0000000000400000-0x0000000000435000-memory.dmp

memory/1932-12-0x0000000000400000-0x000000000041D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-26 04:24

Reported

2024-07-26 04:46

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7293725612edaa9558ee66272a2219f5_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\IE C:\Windows\SysWOW64\formsingle.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\formsingle.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\formsingle.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 C:\Windows\SysWOW64\formsingle.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\7293725612edaa9558ee66272a2219f5_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7293725612edaa9558ee66272a2219f5_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\formsingle.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\formsingle.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\formsingle.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\formsingle.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\formsingle.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7293725612edaa9558ee66272a2219f5_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7293725612edaa9558ee66272a2219f5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7293725612edaa9558ee66272a2219f5_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\7293725612edaa9558ee66272a2219f5_JaffaCakes118.exe

--d36250c7

C:\Windows\SysWOW64\formsingle.exe

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

C:\Windows\SysWOW64\formsingle.exe

--3a983b3e

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 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
ZW 154.120.228.126:8080 tcp
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
AR 190.104.229.114:8090 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
AR 181.118.101.22:8080 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
AR 190.18.219.56:443 tcp
US 136.49.87.106:80 tcp
US 8.8.8.8:53 14.173.189.20.in-addr.arpa udp

Files

memory/752-0-0x00000000006E0000-0x00000000006FB000-memory.dmp

memory/752-3-0x00000000006E0000-0x00000000006FB000-memory.dmp

memory/752-1-0x0000000000400000-0x000000000041D000-memory.dmp

memory/4528-4-0x0000000000400000-0x000000000041D000-memory.dmp

memory/652-5-0x0000000000400000-0x0000000000435000-memory.dmp

memory/652-7-0x0000000000400000-0x0000000000435000-memory.dmp

memory/4528-9-0x0000000000400000-0x000000000041D000-memory.dmp

memory/772-11-0x0000000000400000-0x0000000000435000-memory.dmp

memory/772-12-0x0000000000400000-0x0000000000435000-memory.dmp

memory/772-14-0x0000000000400000-0x0000000000435000-memory.dmp

memory/772-15-0x0000000000400000-0x0000000000435000-memory.dmp