Malware Analysis Report

2024-09-22 22:22

Sample ID 240617-xx9d8avcrn
Target b995bbca36e544bf83085de102f34f7e_JaffaCakes118
SHA256 82872d1b54f4dd9222145c57ddf768544e9b100b174e2ead374b88d0163e0387
Tags
emotet epoch1 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

82872d1b54f4dd9222145c57ddf768544e9b100b174e2ead374b88d0163e0387

Threat Level: Known bad

The file b995bbca36e544bf83085de102f34f7e_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch1 banker trojan

Emotet

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Modifies data under HKEY_USERS

Suspicious behavior: RenamesItself

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-17 19:15

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-17 19:15

Reported

2024-06-17 19:17

Platform

win7-20240611-en

Max time kernel

130s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b995bbca36e544bf83085de102f34f7e_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\modernrowset.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Local AppWizard-Generated Applications\superpad C:\Windows\SysWOW64\modernrowset.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0176000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\modernrowset.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\86-4c-c4-c9-44-69\WpadDecisionReason = "1" C:\Windows\SysWOW64\modernrowset.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Local AppWizard-Generated Applications C:\Windows\SysWOW64\modernrowset.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\modernrowset.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\modernrowset.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{747B6145-8C5E-4490-B27F-ECACBB08DD56}\WpadDecisionReason = "1" C:\Windows\SysWOW64\modernrowset.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{747B6145-8C5E-4490-B27F-ECACBB08DD56}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\modernrowset.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\86-4c-c4-c9-44-69\WpadDetectedUrl C:\Windows\SysWOW64\modernrowset.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{747B6145-8C5E-4490-B27F-ECACBB08DD56}\WpadDecisionTime = 10cd4cf8eac0da01 C:\Windows\SysWOW64\modernrowset.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Local AppWizard-Generated Applications\superpad C:\Windows\SysWOW64\modernrowset.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Local AppWizard-Generated Applications\superpad\Settings C:\Windows\SysWOW64\modernrowset.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\modernrowset.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0176000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\modernrowset.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{747B6145-8C5E-4490-B27F-ECACBB08DD56}\WpadDecision = "0" C:\Windows\SysWOW64\modernrowset.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\modernrowset.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\modernrowset.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\modernrowset.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\modernrowset.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\86-4c-c4-c9-44-69\WpadDecision = "0" C:\Windows\SysWOW64\modernrowset.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Local AppWizard-Generated Applications C:\Windows\SysWOW64\modernrowset.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\modernrowset.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Local AppWizard-Generated Applications\superpad\Settings C:\Windows\SysWOW64\modernrowset.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{747B6145-8C5E-4490-B27F-ECACBB08DD56} C:\Windows\SysWOW64\modernrowset.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\86-4c-c4-c9-44-69 C:\Windows\SysWOW64\modernrowset.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\86-4c-c4-c9-44-69\WpadDecisionTime = 10cd4cf8eac0da01 C:\Windows\SysWOW64\modernrowset.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{747B6145-8C5E-4490-B27F-ECACBB08DD56}\WpadDecisionTime = d07f9ebbeac0da01 C:\Windows\SysWOW64\modernrowset.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{747B6145-8C5E-4490-B27F-ECACBB08DD56}\86-4c-c4-c9-44-69 C:\Windows\SysWOW64\modernrowset.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\86-4c-c4-c9-44-69\WpadDecisionTime = d07f9ebbeac0da01 C:\Windows\SysWOW64\modernrowset.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Local AppWizard-Generated Applications\superpad\Recent File List C:\Windows\SysWOW64\modernrowset.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Local AppWizard-Generated Applications\superpad\Recent File List C:\Windows\SysWOW64\modernrowset.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\modernrowset.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\modernrowset.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b995bbca36e544bf83085de102f34f7e_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b995bbca36e544bf83085de102f34f7e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b995bbca36e544bf83085de102f34f7e_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\b995bbca36e544bf83085de102f34f7e_JaffaCakes118.exe

--81586121

C:\Windows\SysWOW64\modernrowset.exe

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

C:\Windows\SysWOW64\modernrowset.exe

--28f62559

Network

Country Destination Domain Proto
VE 186.90.29.228:443 tcp
VE 186.90.29.228:443 tcp
CO 181.135.153.203:443 tcp
CO 181.135.153.203:443 tcp
US 74.208.68.48:8080 tcp
US 74.208.68.48:8080 tcp
US 104.131.58.132:8080 tcp

Files

memory/2368-5-0x0000000000220000-0x0000000000230000-memory.dmp

memory/2368-0-0x00000000002C0000-0x00000000002D6000-memory.dmp

memory/1680-6-0x0000000000230000-0x0000000000246000-memory.dmp

memory/1260-11-0x00000000003E0000-0x00000000003F6000-memory.dmp

memory/1680-16-0x0000000000400000-0x0000000000471000-memory.dmp

memory/2800-17-0x0000000000250000-0x0000000000266000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-17 19:15

Reported

2024-06-17 19:17

Platform

win10v2004-20240508-en

Max time kernel

127s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b995bbca36e544bf83085de102f34f7e_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\bufferdmi.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\bufferdmi.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\bufferdmi.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\bufferdmi.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\Software\Local AppWizard-Generated Applications C:\Windows\SysWOW64\bufferdmi.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Local AppWizard-Generated Applications\superpad\Recent File List C:\Windows\SysWOW64\bufferdmi.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Local AppWizard-Generated Applications\superpad\Settings C:\Windows\SysWOW64\bufferdmi.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Local AppWizard-Generated Applications\superpad\Recent File List C:\Windows\SysWOW64\bufferdmi.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\bufferdmi.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\bufferdmi.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Local AppWizard-Generated Applications\superpad C:\Windows\SysWOW64\bufferdmi.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Local AppWizard-Generated Applications C:\Windows\SysWOW64\bufferdmi.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Local AppWizard-Generated Applications\superpad C:\Windows\SysWOW64\bufferdmi.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Local AppWizard-Generated Applications\superpad\Settings C:\Windows\SysWOW64\bufferdmi.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\bufferdmi.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b995bbca36e544bf83085de102f34f7e_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b995bbca36e544bf83085de102f34f7e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b995bbca36e544bf83085de102f34f7e_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\b995bbca36e544bf83085de102f34f7e_JaffaCakes118.exe

--81586121

C:\Windows\SysWOW64\bufferdmi.exe

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

C:\Windows\SysWOW64\bufferdmi.exe

--5beabef6

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
VE 186.90.29.228:443 tcp
CO 181.135.153.203:443 tcp
US 74.208.68.48:8080 tcp
US 104.131.58.132:8080 tcp
SG 68.183.190.199:8080 tcp

Files

memory/4660-0-0x0000000002160000-0x0000000002176000-memory.dmp

memory/4660-5-0x0000000002150000-0x0000000002160000-memory.dmp

memory/5044-6-0x0000000002170000-0x0000000002186000-memory.dmp

memory/3212-11-0x0000000000DC0000-0x0000000000DD6000-memory.dmp

memory/5044-16-0x0000000000400000-0x0000000000471000-memory.dmp

memory/1692-17-0x0000000000E50000-0x0000000000E66000-memory.dmp