Malware Analysis Report

2024-09-22 23:12

Sample ID 240531-pw4tcahb8w
Target 870a95683853ee099fa277127998ab17_JaffaCakes118
SHA256 d3c687c0fcbb8d9169659d3aacb1168df7412c6c4e1005494bc752f588a767be
Tags
emotet epoch2 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

d3c687c0fcbb8d9169659d3aacb1168df7412c6c4e1005494bc752f588a767be

Threat Level: Known bad

The file 870a95683853ee099fa277127998ab17_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch2 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: EnumeratesProcesses

Suspicious behavior: RenamesItself

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-05-31 12:41

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-31 12:41

Reported

2024-05-31 12:44

Platform

win7-20240221-en

Max time kernel

145s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\870a95683853ee099fa277127998ab17_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\shadesmailbox.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\shadesmailbox.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\shadesmailbox.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\shadesmailbox.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\shadesmailbox.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A1898A27-0D79-4999-BE45-34B77F5023CF} C:\Windows\SysWOW64\shadesmailbox.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\shadesmailbox.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A1898A27-0D79-4999-BE45-34B77F5023CF}\WpadDecisionReason = "1" C:\Windows\SysWOW64\shadesmailbox.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A1898A27-0D79-4999-BE45-34B77F5023CF}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\shadesmailbox.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-28-a8-cd-b8-72\WpadDecisionReason = "1" C:\Windows\SysWOW64\shadesmailbox.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-28-a8-cd-b8-72 C:\Windows\SysWOW64\shadesmailbox.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-28-a8-cd-b8-72\WpadDecisionTime = 30d3cef557b3da01 C:\Windows\SysWOW64\shadesmailbox.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\shadesmailbox.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\shadesmailbox.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\shadesmailbox.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0081000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\shadesmailbox.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A1898A27-0D79-4999-BE45-34B77F5023CF}\WpadDecisionTime = 30d3cef557b3da01 C:\Windows\SysWOW64\shadesmailbox.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\shadesmailbox.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\shadesmailbox.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A1898A27-0D79-4999-BE45-34B77F5023CF}\WpadDecision = "0" C:\Windows\SysWOW64\shadesmailbox.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A1898A27-0D79-4999-BE45-34B77F5023CF}\ea-28-a8-cd-b8-72 C:\Windows\SysWOW64\shadesmailbox.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-28-a8-cd-b8-72\WpadDecision = "0" C:\Windows\SysWOW64\shadesmailbox.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\870a95683853ee099fa277127998ab17_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\870a95683853ee099fa277127998ab17_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\870a95683853ee099fa277127998ab17_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\870a95683853ee099fa277127998ab17_JaffaCakes118.exe

--9baed34d

C:\Windows\SysWOW64\shadesmailbox.exe

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

C:\Windows\SysWOW64\shadesmailbox.exe

--a39a1164

Network

Country Destination Domain Proto
US 198.58.120.26:8080 tcp
US 198.58.120.26:8080 tcp
SG 209.97.168.52:8080 tcp
SG 209.97.168.52:8080 tcp
FR 37.187.2.199:443 37.187.2.199 tcp
FR 149.202.197.94:8080 tcp
FR 149.202.197.94:8080 tcp

Files

memory/1500-0-0x0000000000240000-0x0000000000255000-memory.dmp

memory/1500-5-0x0000000000230000-0x0000000000240000-memory.dmp

memory/2276-11-0x0000000000230000-0x0000000000240000-memory.dmp

memory/2540-12-0x0000000000310000-0x0000000000325000-memory.dmp

memory/2540-17-0x0000000000300000-0x0000000000310000-memory.dmp

memory/2276-18-0x0000000000400000-0x0000000000460000-memory.dmp

memory/2656-19-0x0000000000290000-0x00000000002A5000-memory.dmp

memory/2656-24-0x0000000000280000-0x0000000000290000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-31 12:41

Reported

2024-05-31 12:44

Platform

win10v2004-20240508-en

Max time kernel

134s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\870a95683853ee099fa277127998ab17_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\INetCookies C:\Windows\SysWOW64\texttomanual.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\texttomanual.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 C:\Windows\SysWOW64\texttomanual.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\texttomanual.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\texttomanual.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\texttomanual.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\texttomanual.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\870a95683853ee099fa277127998ab17_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\870a95683853ee099fa277127998ab17_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\870a95683853ee099fa277127998ab17_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\870a95683853ee099fa277127998ab17_JaffaCakes118.exe

--9baed34d

C:\Windows\SysWOW64\texttomanual.exe

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

C:\Windows\SysWOW64\texttomanual.exe

--c5fcea80

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 198.58.120.26:8080 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
SG 209.97.168.52:8080 tcp
FR 37.187.2.199:443 37.187.2.199 tcp
US 8.8.8.8:53 199.2.187.37.in-addr.arpa udp
FR 149.202.197.94:8080 tcp
US 8.8.8.8:53 30.243.111.52.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 43.58.199.20.in-addr.arpa udp
CO 190.147.215.53:22 tcp
VN 115.78.95.230:443 tcp

Files

memory/3204-0-0x0000000000A60000-0x0000000000A75000-memory.dmp

memory/3204-5-0x0000000000A50000-0x0000000000A60000-memory.dmp

memory/1156-6-0x00000000020D0000-0x00000000020E5000-memory.dmp

memory/1156-11-0x00000000020C0000-0x00000000020D0000-memory.dmp

memory/3620-13-0x0000000000DE0000-0x0000000000DF5000-memory.dmp

memory/3620-18-0x00000000009E0000-0x00000000009F0000-memory.dmp

memory/1156-19-0x0000000000400000-0x0000000000460000-memory.dmp

C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\151006038beb3d5e9a4e1db2e6315db6_310807ab-751f-4d81-ae09-b202eaf21e19

MD5 2219ed8c4461bbee47dc0ac045013700
SHA1 f537ff444a352845422abf004e0087645f903a44
SHA256 a2291a4fcb3343cdfad5d198bdc7dd62af09605c264681fa26ed79cecb53c01e
SHA512 74026b6cb0f530e6acc0681ac68b990ca68f7baca7244b2954799b3556ee98c88f8d63092863cd391d1851b6e10795f54252da34a5d25da3911779891f8cb822

memory/4068-21-0x0000000000D90000-0x0000000000DA5000-memory.dmp

memory/4068-26-0x0000000000D80000-0x0000000000D90000-memory.dmp