Malware Analysis Report

2025-01-03 06:14

Sample ID 240522-a4276afc5w
Target 656750f875112414a75fb4bf32a3353a_JaffaCakes118
SHA256 761107a1e9e685c4bbce78c45111db8c0279bf530b123f5370620bcc6aa0b2bf
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

761107a1e9e685c4bbce78c45111db8c0279bf530b123f5370620bcc6aa0b2bf

Threat Level: Known bad

The file 656750f875112414a75fb4bf32a3353a_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 behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-22 00:46

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-22 00:46

Reported

2024-05-22 00:49

Platform

win7-20240215-en

Max time kernel

129s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_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\refdbg.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\refdbg.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\refdbg.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\refdbg.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DE17A2EB-9739-420C-8338-6D8E3757EBA3}\WpadDecision = "0" C:\Windows\SysWOW64\refdbg.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\refdbg.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DE17A2EB-9739-420C-8338-6D8E3757EBA3}\ea-a9-87-57-0d-80 C:\Windows\SysWOW64\refdbg.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-a9-87-57-0d-80\WpadDecisionTime = 40cdb28ae1abda01 C:\Windows\SysWOW64\refdbg.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-a9-87-57-0d-80\WpadDecision = "0" C:\Windows\SysWOW64\refdbg.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DE17A2EB-9739-420C-8338-6D8E3757EBA3} C:\Windows\SysWOW64\refdbg.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DE17A2EB-9739-420C-8338-6D8E3757EBA3}\WpadDecisionReason = "1" C:\Windows\SysWOW64\refdbg.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DE17A2EB-9739-420C-8338-6D8E3757EBA3}\WpadDecisionTime = 40cdb28ae1abda01 C:\Windows\SysWOW64\refdbg.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DE17A2EB-9739-420C-8338-6D8E3757EBA3}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\refdbg.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-a9-87-57-0d-80 C:\Windows\SysWOW64\refdbg.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-a9-87-57-0d-80\WpadDecisionReason = "1" C:\Windows\SysWOW64\refdbg.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\refdbg.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\refdbg.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\refdbg.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0058000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\refdbg.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe"

C:\Windows\SysWOW64\refdbg.exe

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

C:\Windows\SysWOW64\refdbg.exe

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

Network

Country Destination Domain Proto
CA 67.68.235.25:50000 tcp
CA 67.68.235.25:50000 tcp
MX 187.192.180.144:995 tcp
MX 187.192.180.144:995 tcp
EC 190.154.42.106:8080 tcp
EC 190.154.42.106:8080 tcp

Files

memory/2924-0-0x00000000000B0000-0x00000000000C7000-memory.dmp

memory/2924-6-0x0000000000130000-0x0000000000140000-memory.dmp

memory/2924-5-0x0000000000110000-0x0000000000127000-memory.dmp

memory/2924-1-0x0000000000110000-0x0000000000127000-memory.dmp

memory/2852-7-0x0000000000120000-0x0000000000137000-memory.dmp

memory/2852-12-0x0000000000140000-0x0000000000157000-memory.dmp

memory/2852-8-0x0000000000140000-0x0000000000157000-memory.dmp

memory/2852-13-0x0000000000160000-0x0000000000170000-memory.dmp

memory/2924-14-0x00000000000B0000-0x00000000000C7000-memory.dmp

memory/1232-15-0x0000000000160000-0x0000000000177000-memory.dmp

memory/1232-19-0x0000000000160000-0x0000000000177000-memory.dmp

memory/1232-20-0x0000000000140000-0x0000000000150000-memory.dmp

memory/2568-21-0x0000000000170000-0x0000000000187000-memory.dmp

memory/2568-22-0x0000000000190000-0x00000000001A7000-memory.dmp

memory/2568-26-0x0000000000190000-0x00000000001A7000-memory.dmp

memory/2568-27-0x0000000000100000-0x0000000000110000-memory.dmp

memory/1232-28-0x0000000000120000-0x0000000000137000-memory.dmp

memory/2852-29-0x0000000000830000-0x0000000000879000-memory.dmp

memory/2852-30-0x0000000000120000-0x0000000000137000-memory.dmp

memory/2568-31-0x0000000000170000-0x0000000000187000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-22 00:46

Reported

2024-05-22 00:49

Platform

win10v2004-20240508-en

Max time kernel

139s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe"

Signatures

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\656750f875112414a75fb4bf32a3353a_JaffaCakes118.exe"

C:\Windows\SysWOW64\nicinitial.exe

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

C:\Windows\SysWOW64\nicinitial.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
CA 67.68.235.25:50000 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.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 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
EC 190.154.42.106:8080 tcp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
MX 189.157.20.25:8443 tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
AU 110.142.247.110:80 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 101.58.20.217.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 55.36.223.20.in-addr.arpa udp
MX 189.207.27.120:80 tcp
US 162.251.81.235:4143 tcp

Files

memory/4784-0-0x00000000010C0000-0x00000000010D7000-memory.dmp

memory/4784-1-0x0000000001100000-0x0000000001117000-memory.dmp

memory/4784-5-0x0000000001100000-0x0000000001117000-memory.dmp

memory/4784-6-0x0000000000FB0000-0x0000000000FC0000-memory.dmp

memory/440-13-0x0000000002D10000-0x0000000002D20000-memory.dmp

memory/440-12-0x0000000002BB0000-0x0000000002BC7000-memory.dmp

memory/440-11-0x0000000002CF0000-0x0000000002D07000-memory.dmp

memory/440-7-0x0000000002CF0000-0x0000000002D07000-memory.dmp

memory/4784-14-0x00000000010C0000-0x00000000010D7000-memory.dmp

memory/3244-19-0x0000000001150000-0x0000000001167000-memory.dmp

memory/3244-15-0x0000000001150000-0x0000000001167000-memory.dmp

memory/3244-21-0x0000000000BF0000-0x0000000000C00000-memory.dmp

memory/3244-20-0x0000000001110000-0x0000000001127000-memory.dmp

memory/1832-22-0x0000000000EE0000-0x0000000000EF7000-memory.dmp

memory/1832-27-0x0000000000F20000-0x0000000000F37000-memory.dmp

memory/1832-23-0x0000000000F20000-0x0000000000F37000-memory.dmp

memory/1832-28-0x0000000000F40000-0x0000000000F50000-memory.dmp

memory/3244-29-0x0000000001110000-0x0000000001127000-memory.dmp

memory/440-31-0x0000000002BB0000-0x0000000002BC7000-memory.dmp

memory/440-30-0x0000000000B00000-0x0000000000B49000-memory.dmp

memory/1832-32-0x0000000000EE0000-0x0000000000EF7000-memory.dmp