Malware Analysis Report

2025-01-03 06:14

Sample ID 240521-vh77hacc97
Target 640f2a05a264b6897ed17f0edb228ed4_JaffaCakes118
SHA256 f478208ceeb20cc093d38b1c1a670ae535ba3a6b8b2b0cf68f9f39ab1208531a
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

f478208ceeb20cc093d38b1c1a670ae535ba3a6b8b2b0cf68f9f39ab1208531a

Threat Level: Known bad

The file 640f2a05a264b6897ed17f0edb228ed4_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

2024-05-21 17:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-21 17:00

Reported

2024-05-21 17:03

Platform

win7-20240508-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\640f2a05a264b6897ed17f0edb228ed4_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\TrustInterop.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FC27B7C9-9C0E-4DFA-AFB9-E6E40D75AC2C}\WpadDecisionTime = 60c07f69a0abda01 C:\Windows\SysWOW64\TrustInterop.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-88-f3-84-af-8e\WpadDecisionReason = "1" C:\Windows\SysWOW64\TrustInterop.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-88-f3-84-af-8e\WpadDecision = "0" C:\Windows\SysWOW64\TrustInterop.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\TrustInterop.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\TrustInterop.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\TrustInterop.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0034000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\TrustInterop.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FC27B7C9-9C0E-4DFA-AFB9-E6E40D75AC2C} C:\Windows\SysWOW64\TrustInterop.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FC27B7C9-9C0E-4DFA-AFB9-E6E40D75AC2C}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\TrustInterop.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\TrustInterop.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\TrustInterop.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\TrustInterop.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-88-f3-84-af-8e C:\Windows\SysWOW64\TrustInterop.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\TrustInterop.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\TrustInterop.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FC27B7C9-9C0E-4DFA-AFB9-E6E40D75AC2C}\WpadDecisionReason = "1" C:\Windows\SysWOW64\TrustInterop.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FC27B7C9-9C0E-4DFA-AFB9-E6E40D75AC2C}\WpadDecision = "0" C:\Windows\SysWOW64\TrustInterop.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{FC27B7C9-9C0E-4DFA-AFB9-E6E40D75AC2C}\8e-88-f3-84-af-8e C:\Windows\SysWOW64\TrustInterop.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-88-f3-84-af-8e\WpadDecisionTime = 60c07f69a0abda01 C:\Windows\SysWOW64\TrustInterop.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\TrustInterop.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\TrustInterop.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\640f2a05a264b6897ed17f0edb228ed4_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\640f2a05a264b6897ed17f0edb228ed4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\640f2a05a264b6897ed17f0edb228ed4_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\640f2a05a264b6897ed17f0edb228ed4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\640f2a05a264b6897ed17f0edb228ed4_JaffaCakes118.exe"

C:\Windows\SysWOW64\TrustInterop.exe

C:\Windows\SysWOW64\TrustInterop.exe

C:\Windows\SysWOW64\TrustInterop.exe

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

Network

Country Destination Domain Proto
US 162.251.81.235:8080 tcp
US 162.251.81.235:8080 tcp
CA 158.69.249.236:4143 tcp
CA 158.69.249.236:4143 tcp

Files

memory/1768-0-0x00000000002C0000-0x00000000002CE000-memory.dmp

memory/1768-6-0x00000000002E0000-0x00000000002F0000-memory.dmp

memory/1768-1-0x00000000002D0000-0x00000000002DE000-memory.dmp

memory/1768-5-0x00000000002D0000-0x00000000002DE000-memory.dmp

memory/3044-7-0x0000000000190000-0x000000000019E000-memory.dmp

memory/3044-12-0x00000000001A0000-0x00000000001AE000-memory.dmp

memory/3044-8-0x00000000001A0000-0x00000000001AE000-memory.dmp

memory/3044-13-0x0000000000260000-0x0000000000270000-memory.dmp

memory/1768-14-0x00000000002C0000-0x00000000002CE000-memory.dmp

memory/2752-15-0x0000000000100000-0x000000000010E000-memory.dmp

memory/2752-16-0x0000000000110000-0x000000000011E000-memory.dmp

memory/2752-20-0x0000000000110000-0x000000000011E000-memory.dmp

memory/2752-21-0x0000000000120000-0x0000000000130000-memory.dmp

memory/2752-27-0x0000000000100000-0x000000000010E000-memory.dmp

memory/3044-29-0x0000000000190000-0x000000000019E000-memory.dmp

memory/3044-28-0x00000000010D0000-0x00000000010F0000-memory.dmp

memory/2632-30-0x0000000000100000-0x000000000010E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-21 17:00

Reported

2024-05-21 17:03

Platform

win10v2004-20240426-en

Max time kernel

137s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\640f2a05a264b6897ed17f0edb228ed4_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\WarningSnippets.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\WarningSnippets.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\WarningSnippets.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\WarningSnippets.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\WarningSnippets.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\WarningSnippets.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\WarningSnippets.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\640f2a05a264b6897ed17f0edb228ed4_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\640f2a05a264b6897ed17f0edb228ed4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\640f2a05a264b6897ed17f0edb228ed4_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\640f2a05a264b6897ed17f0edb228ed4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\640f2a05a264b6897ed17f0edb228ed4_JaffaCakes118.exe"

C:\Windows\SysWOW64\WarningSnippets.exe

C:\Windows\SysWOW64\WarningSnippets.exe

C:\Windows\SysWOW64\WarningSnippets.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.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 23.62.61.72:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 72.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
NL 23.62.61.72:443 www.bing.com tcp
US 162.251.81.235:8080 tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
CA 158.69.249.236:4143 tcp
US 8.8.8.8:53 216.183.117.104.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 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 45.19.74.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
CZ 31.31.78.203:443 tcp

Files

memory/4336-0-0x0000000000B90000-0x0000000000B9E000-memory.dmp

memory/4336-1-0x0000000000BC0000-0x0000000000BCE000-memory.dmp

memory/4336-5-0x0000000000BC0000-0x0000000000BCE000-memory.dmp

memory/4336-6-0x0000000000BD0000-0x0000000000BE0000-memory.dmp

memory/4256-13-0x0000000000610000-0x0000000000620000-memory.dmp

memory/4256-12-0x00000000005D0000-0x00000000005DE000-memory.dmp

memory/4256-11-0x0000000000600000-0x000000000060E000-memory.dmp

memory/4256-7-0x0000000000600000-0x000000000060E000-memory.dmp

memory/4336-14-0x0000000000B90000-0x0000000000B9E000-memory.dmp

memory/4260-19-0x00000000014D0000-0x00000000014DE000-memory.dmp

memory/4260-15-0x00000000014D0000-0x00000000014DE000-memory.dmp

memory/4260-21-0x00000000014E0000-0x00000000014F0000-memory.dmp

memory/4260-20-0x0000000001330000-0x000000000133E000-memory.dmp

memory/3608-22-0x00000000005F0000-0x00000000005FE000-memory.dmp

memory/3608-27-0x0000000000620000-0x000000000062E000-memory.dmp

memory/4260-29-0x0000000001330000-0x000000000133E000-memory.dmp

memory/3608-28-0x0000000000F60000-0x0000000000F70000-memory.dmp

memory/3608-23-0x0000000000620000-0x000000000062E000-memory.dmp

memory/4256-31-0x00000000005D0000-0x00000000005DE000-memory.dmp

memory/4256-30-0x0000000000570000-0x0000000000590000-memory.dmp

memory/3608-32-0x00000000005F0000-0x00000000005FE000-memory.dmp