Malware Analysis Report

2024-09-22 22:17

Sample ID 240616-zqv95axepb
Target b529a862ea0859b019ec59cb0c96e36c_JaffaCakes118
SHA256 d298e91476ca19786493e72aa0cd95984d0a22e69712db04d4bcfd9256aff9ec
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

d298e91476ca19786493e72aa0cd95984d0a22e69712db04d4bcfd9256aff9ec

Threat Level: Known bad

The file b529a862ea0859b019ec59cb0c96e36c_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

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

Suspicious behavior: RenamesItself

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-16 20:55

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 20:55

Reported

2024-06-16 20:58

Platform

win7-20240611-en

Max time kernel

141s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b529a862ea0859b019ec59cb0c96e36c_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\wsamaker.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\wsamaker.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b6000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\wsamaker.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{63767EEB-E6B5-459B-B370-46540194F13F} C:\Windows\SysWOW64\wsamaker.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{63767EEB-E6B5-459B-B370-46540194F13F}\WpadDecision = "0" C:\Windows\SysWOW64\wsamaker.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1a-6d-3b-35-37-3c\WpadDecision = "0" C:\Windows\SysWOW64\wsamaker.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\wsamaker.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\wsamaker.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{63767EEB-E6B5-459B-B370-46540194F13F}\WpadDecisionTime = 5021c2a52fc0da01 C:\Windows\SysWOW64\wsamaker.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\wsamaker.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1a-6d-3b-35-37-3c C:\Windows\SysWOW64\wsamaker.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{63767EEB-E6B5-459B-B370-46540194F13F}\1a-6d-3b-35-37-3c C:\Windows\SysWOW64\wsamaker.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\wsamaker.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\wsamaker.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\wsamaker.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\wsamaker.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\wsamaker.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\wsamaker.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{63767EEB-E6B5-459B-B370-46540194F13F}\WpadDecisionReason = "1" C:\Windows\SysWOW64\wsamaker.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{63767EEB-E6B5-459B-B370-46540194F13F}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\wsamaker.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1a-6d-3b-35-37-3c\WpadDecisionReason = "1" C:\Windows\SysWOW64\wsamaker.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1a-6d-3b-35-37-3c\WpadDecisionTime = 5021c2a52fc0da01 C:\Windows\SysWOW64\wsamaker.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b529a862ea0859b019ec59cb0c96e36c_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b529a862ea0859b019ec59cb0c96e36c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b529a862ea0859b019ec59cb0c96e36c_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\b529a862ea0859b019ec59cb0c96e36c_JaffaCakes118.exe

--e8a02083

C:\Windows\SysWOW64\wsamaker.exe

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

C:\Windows\SysWOW64\wsamaker.exe

--f4a88fb1

Network

Country Destination Domain Proto
US 68.187.160.28:443 tcp
US 68.187.160.28:443 tcp
US 97.120.32.227:80 tcp
US 97.120.32.227:80 tcp
MX 187.188.166.192:8080 tcp
MX 187.188.166.192:8080 tcp

Files

memory/2456-0-0x00000000001C0000-0x00000000001C1000-memory.dmp

memory/2456-1-0x0000000000270000-0x0000000000287000-memory.dmp

memory/2456-6-0x00000000001D0000-0x00000000001E1000-memory.dmp

memory/2572-7-0x00000000003E0000-0x00000000003F7000-memory.dmp

memory/1248-12-0x00000000002D0000-0x00000000002E7000-memory.dmp

memory/2572-17-0x0000000000400000-0x0000000000452000-memory.dmp

memory/2644-18-0x0000000000840000-0x0000000000857000-memory.dmp

memory/2456-23-0x00000000001D0000-0x00000000001E1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 20:55

Reported

2024-06-16 20:58

Platform

win10v2004-20240508-en

Max time kernel

143s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b529a862ea0859b019ec59cb0c96e36c_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\footerwow.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\footerwow.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\footerwow.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\footerwow.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\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\footerwow.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\footerwow.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\footerwow.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b529a862ea0859b019ec59cb0c96e36c_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b529a862ea0859b019ec59cb0c96e36c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b529a862ea0859b019ec59cb0c96e36c_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\b529a862ea0859b019ec59cb0c96e36c_JaffaCakes118.exe

--e8a02083

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4396,i,7012731823941922179,12386606396608877869,262144 --variations-seed-version --mojo-platform-channel-handle=4292 /prefetch:8

C:\Windows\SysWOW64\footerwow.exe

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

C:\Windows\SysWOW64\footerwow.exe

--55f9439a

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 68.187.160.28:443 tcp
US 97.120.32.227:80 tcp
MX 187.188.166.192:8080 tcp
CA 144.217.117.207:8080 tcp
US 96.126.121.64:443 tcp

Files

memory/4440-6-0x00000000023A0000-0x00000000023B1000-memory.dmp

memory/4976-7-0x0000000000770000-0x0000000000787000-memory.dmp

memory/4440-1-0x00000000023C0000-0x00000000023D7000-memory.dmp

memory/4440-0-0x0000000002390000-0x0000000002391000-memory.dmp

memory/636-14-0x0000000000E60000-0x0000000000E77000-memory.dmp

memory/4976-18-0x0000000000400000-0x0000000000452000-memory.dmp

memory/5024-20-0x0000000000550000-0x0000000000567000-memory.dmp

C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\27c0738ed88ae919a1711a9b1324b5a5_d2547453-e731-4fdf-8f92-95f955a44aca

MD5 dd78062e166a7d28ea259d66acf16e7b
SHA1 b4799b14e9c354d2f2e954906c8a2ebf1262388d
SHA256 02d89b3d50c411c1ad7b4d2555f08620bccc5132adb6c965c043912489cbce8a
SHA512 2973d854e2c4288ed671a9b92ad97e161811112800d070bdf6d6f482bfe696cfcc7104ffa2a2102900a9a0fda02d558ecb15744cd5a7fb84b4948b7278edfb49