Malware Analysis Report

2025-01-03 06:13

Sample ID 240523-d24jzscd2w
Target 69986811581643af859a0530c8f74f09_JaffaCakes118
SHA256 22f7fafd9845b9dacb7e30522960ffc3ee79ff956ddf5b3379d84a4f38616f30
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

22f7fafd9845b9dacb7e30522960ffc3ee79ff956ddf5b3379d84a4f38616f30

Threat Level: Known bad

The file 69986811581643af859a0530c8f74f09_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet 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

Analysis: static1

Detonation Overview

Reported

2024-05-23 03:31

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-23 03:31

Reported

2024-05-23 03:33

Platform

win7-20240221-en

Max time kernel

150s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\69986811581643af859a0530c8f74f09_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\voiceprn.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 C:\Windows\SysWOW64\voiceprn.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0081000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\voiceprn.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A1898A27-0D79-4999-BE45-34B77F5023CF} C:\Windows\SysWOW64\voiceprn.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\voiceprn.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\voiceprn.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A1898A27-0D79-4999-BE45-34B77F5023CF}\WpadDecisionTime = c05b9fb8c1acda01 C:\Windows\SysWOW64\voiceprn.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-28-a8-cd-b8-72\WpadDetectedUrl C:\Windows\SysWOW64\voiceprn.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\voiceprn.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\voiceprn.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\voiceprn.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\voiceprn.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\voiceprn.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-28-a8-cd-b8-72\WpadDecisionTime = c05b9fb8c1acda01 C:\Windows\SysWOW64\voiceprn.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\voiceprn.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\voiceprn.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-28-a8-cd-b8-72 C:\Windows\SysWOW64\voiceprn.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\voiceprn.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\voiceprn.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\voiceprn.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\69986811581643af859a0530c8f74f09_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\69986811581643af859a0530c8f74f09_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\69986811581643af859a0530c8f74f09_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\69986811581643af859a0530c8f74f09_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\69986811581643af859a0530c8f74f09_JaffaCakes118.exe"

C:\Windows\SysWOW64\voiceprn.exe

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

C:\Windows\SysWOW64\voiceprn.exe

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

Network

Country Destination Domain Proto
AZ 185.129.3.211:443 tcp
AZ 185.129.3.211:443 tcp
US 24.253.16.214:50000 tcp
US 24.253.16.214:50000 tcp
MX 189.253.126.66:443 tcp
MX 189.253.126.66:443 tcp
TH 124.121.192.186:8080 tcp

Files

memory/1368-0-0x0000000000250000-0x0000000000266000-memory.dmp

memory/1368-5-0x0000000000270000-0x0000000000286000-memory.dmp

memory/1368-1-0x0000000000270000-0x0000000000286000-memory.dmp

memory/1368-6-0x0000000000290000-0x00000000002A0000-memory.dmp

memory/1368-12-0x0000000000250000-0x0000000000266000-memory.dmp

memory/2276-14-0x00000000002A0000-0x00000000002B0000-memory.dmp

memory/2276-13-0x00000000001E0000-0x00000000001F6000-memory.dmp

memory/2276-11-0x0000000000280000-0x0000000000296000-memory.dmp

memory/2276-7-0x0000000000280000-0x0000000000296000-memory.dmp

memory/2616-15-0x0000000000390000-0x00000000003A6000-memory.dmp

memory/2616-20-0x00000000003B0000-0x00000000003C6000-memory.dmp

memory/2616-16-0x00000000003B0000-0x00000000003C6000-memory.dmp

memory/2616-21-0x00000000003D0000-0x00000000003E0000-memory.dmp

memory/2616-27-0x0000000000390000-0x00000000003A6000-memory.dmp

memory/2276-29-0x00000000001E0000-0x00000000001F6000-memory.dmp

memory/2276-28-0x0000000000400000-0x000000000046C000-memory.dmp

memory/2772-30-0x0000000000390000-0x00000000003A6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-23 03:31

Reported

2024-05-23 03:33

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\69986811581643af859a0530c8f74f09_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\69986811581643af859a0530c8f74f09_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\69986811581643af859a0530c8f74f09_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\69986811581643af859a0530c8f74f09_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\69986811581643af859a0530c8f74f09_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\69986811581643af859a0530c8f74f09_JaffaCakes118.exe"

C:\Windows\SysWOW64\tvoutcase.exe

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

C:\Windows\SysWOW64\tvoutcase.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.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 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
AZ 185.129.3.211:443 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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 24.253.16.214:50000 tcp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
MX 189.253.126.66:443 tcp
TH 124.121.192.186:8080 tcp
US 8.8.8.8:53 43.229.111.52.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 68.203.247.140:7080 tcp
US 98.223.46.139:443 tcp
US 8.8.8.8:53 200.201.50.20.in-addr.arpa udp

Files

memory/4352-5-0x0000000000810000-0x0000000000826000-memory.dmp

memory/4352-6-0x0000000000930000-0x0000000000940000-memory.dmp

memory/4352-1-0x0000000000810000-0x0000000000826000-memory.dmp

memory/4352-0-0x00000000007F0000-0x0000000000806000-memory.dmp

memory/3948-7-0x00000000020A0000-0x00000000020B6000-memory.dmp

memory/3948-8-0x00000000020C0000-0x00000000020D6000-memory.dmp

memory/3948-12-0x00000000020C0000-0x00000000020D6000-memory.dmp

memory/3948-13-0x00000000020E0000-0x00000000020F0000-memory.dmp

memory/4352-14-0x00000000007F0000-0x0000000000806000-memory.dmp

memory/400-15-0x0000000000620000-0x0000000000636000-memory.dmp

memory/400-19-0x0000000000620000-0x0000000000636000-memory.dmp

memory/400-21-0x0000000000510000-0x0000000000520000-memory.dmp

memory/400-20-0x0000000000600000-0x0000000000616000-memory.dmp

memory/3956-22-0x00000000008F0000-0x0000000000906000-memory.dmp

memory/3956-27-0x0000000000D90000-0x0000000000DA6000-memory.dmp

memory/3956-28-0x0000000000910000-0x0000000000920000-memory.dmp

memory/3956-23-0x0000000000D90000-0x0000000000DA6000-memory.dmp

memory/400-29-0x0000000000600000-0x0000000000616000-memory.dmp

memory/3948-30-0x0000000000400000-0x000000000046C000-memory.dmp

memory/3948-31-0x00000000020A0000-0x00000000020B6000-memory.dmp

memory/3956-32-0x00000000008F0000-0x0000000000906000-memory.dmp