Malware Analysis Report

2024-10-18 21:17

Sample ID 240516-bc1exsdb96
Target 48db891916cfe565c080bce304b8a516_JaffaCakes118
SHA256 89075c9254ce4374c3823c7fe24e11c4a553d4d2f13e5d78bdd60c805bea3d58
Tags
emotet epoch3 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

89075c9254ce4374c3823c7fe24e11c4a553d4d2f13e5d78bdd60c805bea3d58

Threat Level: Known bad

The file 48db891916cfe565c080bce304b8a516_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch3 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 SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-16 01:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-16 01:00

Reported

2024-05-16 01:03

Platform

win7-20240221-en

Max time kernel

147s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\48db891916cfe565c080bce304b8a516_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\nicattrib.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\nicattrib.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\nicattrib.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\nicattrib.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\nicattrib.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\nicattrib.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f008a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\nicattrib.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9DCF05A0-8F7B-4B9B-8D02-882E3DA5E092}\WpadDecisionTime = 404ebd902ca7da01 C:\Windows\SysWOW64\nicattrib.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\nicattrib.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\nicattrib.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\nicattrib.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9DCF05A0-8F7B-4B9B-8D02-882E3DA5E092}\WpadDecisionReason = "1" C:\Windows\SysWOW64\nicattrib.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-1b-e0-db-da-20\WpadDecisionTime = 404ebd902ca7da01 C:\Windows\SysWOW64\nicattrib.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-1b-e0-db-da-20\WpadDecision = "0" C:\Windows\SysWOW64\nicattrib.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-1b-e0-db-da-20\WpadDecisionReason = "1" C:\Windows\SysWOW64\nicattrib.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\nicattrib.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\nicattrib.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9DCF05A0-8F7B-4B9B-8D02-882E3DA5E092} C:\Windows\SysWOW64\nicattrib.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9DCF05A0-8F7B-4B9B-8D02-882E3DA5E092}\WpadDecision = "0" C:\Windows\SysWOW64\nicattrib.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9DCF05A0-8F7B-4B9B-8D02-882E3DA5E092}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\nicattrib.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-1b-e0-db-da-20 C:\Windows\SysWOW64\nicattrib.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9DCF05A0-8F7B-4B9B-8D02-882E3DA5E092}\fe-1b-e0-db-da-20 C:\Windows\SysWOW64\nicattrib.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\48db891916cfe565c080bce304b8a516_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\48db891916cfe565c080bce304b8a516_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\48db891916cfe565c080bce304b8a516_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\48db891916cfe565c080bce304b8a516_JaffaCakes118.exe

--f65792b5

C:\Windows\SysWOW64\nicattrib.exe

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

C:\Windows\SysWOW64\nicattrib.exe

--d15b78e8

Network

Country Destination Domain Proto
US 69.14.208.221:80 tcp
US 69.14.208.221:80 tcp
ZA 156.155.163.232:80 tcp
ZA 156.155.163.232:80 tcp
KR 211.42.204.154:80 tcp
KR 211.42.204.154:80 tcp

Files

memory/1400-5-0x0000000000290000-0x00000000002A1000-memory.dmp

memory/1400-0-0x00000000002B0000-0x00000000002C7000-memory.dmp

memory/2872-6-0x0000000000270000-0x0000000000287000-memory.dmp

memory/2476-11-0x00000000008F0000-0x0000000000907000-memory.dmp

memory/2872-16-0x0000000000400000-0x0000000000463000-memory.dmp

memory/2540-17-0x00000000003C0000-0x00000000003D7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-16 01:00

Reported

2024-05-16 01:03

Platform

win10v2004-20240508-en

Max time kernel

140s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\48db891916cfe565c080bce304b8a516_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\wsatwrap.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\wsatwrap.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\wsatwrap.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\wsatwrap.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\wsatwrap.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\wsatwrap.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\wsatwrap.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\48db891916cfe565c080bce304b8a516_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\48db891916cfe565c080bce304b8a516_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\48db891916cfe565c080bce304b8a516_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\48db891916cfe565c080bce304b8a516_JaffaCakes118.exe

--f65792b5

C:\Windows\SysWOW64\wsatwrap.exe

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

C:\Windows\SysWOW64\wsatwrap.exe

--b8844aab

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 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
BE 2.17.196.177:443 www.bing.com tcp
US 8.8.8.8:53 177.196.17.2.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 69.14.208.221:80 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 17.14.97.104.in-addr.arpa udp
ZA 156.155.163.232:80 tcp
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
KR 211.42.204.154:80 tcp
US 8.8.8.8:53 19.229.111.52.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
DE 164.68.115.146:8080 tcp
DE 5.189.148.98:8080 tcp

Files

memory/3024-0-0x0000000002290000-0x00000000022A7000-memory.dmp

memory/3024-5-0x00000000005A0000-0x00000000005B1000-memory.dmp

memory/1112-6-0x0000000000720000-0x0000000000737000-memory.dmp

memory/2448-11-0x0000000000E00000-0x0000000000E17000-memory.dmp

memory/1112-16-0x0000000000400000-0x0000000000463000-memory.dmp

memory/840-17-0x0000000000E30000-0x0000000000E47000-memory.dmp