Malware Analysis Report

2025-01-03 05:37

Sample ID 240716-jja3lsvand
Target 4d5fab7fea7faedb28daee4bceb224e8_JaffaCakes118
SHA256 b4f28e7a94681a99224b3893ccb2845e68e02fde69528dcacb9dc36625827a94
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

b4f28e7a94681a99224b3893ccb2845e68e02fde69528dcacb9dc36625827a94

Threat Level: Known bad

The file 4d5fab7fea7faedb28daee4bceb224e8_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet banker trojan

Emotet

Drops file in System32 directory

Enumerates physical storage devices

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-16 07:41

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-16 07:41

Reported

2024-07-16 07:44

Platform

win7-20240705-en

Max time kernel

132s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4d5fab7fea7faedb28daee4bceb224e8_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\adminstarted.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\Wpad\{E4DE1B4E-F341-474F-AA6B-F8752E57E67A} C:\Windows\SysWOW64\adminstarted.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E4DE1B4E-F341-474F-AA6B-F8752E57E67A}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\adminstarted.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E4DE1B4E-F341-474F-AA6B-F8752E57E67A}\02-ab-4e-fe-3b-f7 C:\Windows\SysWOW64\adminstarted.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\adminstarted.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\adminstarted.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\adminstarted.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\adminstarted.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-ab-4e-fe-3b-f7 C:\Windows\SysWOW64\adminstarted.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-ab-4e-fe-3b-f7\WpadDecision = "0" C:\Windows\SysWOW64\adminstarted.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\adminstarted.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\adminstarted.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E4DE1B4E-F341-474F-AA6B-F8752E57E67A}\WpadDecisionReason = "1" C:\Windows\SysWOW64\adminstarted.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E4DE1B4E-F341-474F-AA6B-F8752E57E67A}\WpadDecisionTime = b07a6aa453d7da01 C:\Windows\SysWOW64\adminstarted.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E4DE1B4E-F341-474F-AA6B-F8752E57E67A}\WpadDecision = "0" C:\Windows\SysWOW64\adminstarted.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-ab-4e-fe-3b-f7\WpadDecisionTime = b07a6aa453d7da01 C:\Windows\SysWOW64\adminstarted.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\adminstarted.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f012e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\adminstarted.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\02-ab-4e-fe-3b-f7\WpadDecisionReason = "1" C:\Windows\SysWOW64\adminstarted.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4d5fab7fea7faedb28daee4bceb224e8_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4d5fab7fea7faedb28daee4bceb224e8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4d5fab7fea7faedb28daee4bceb224e8_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\4d5fab7fea7faedb28daee4bceb224e8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4d5fab7fea7faedb28daee4bceb224e8_JaffaCakes118.exe"

C:\Windows\SysWOW64\adminstarted.exe

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

C:\Windows\SysWOW64\adminstarted.exe

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

Network

Country Destination Domain Proto
US 104.33.204.83:443 tcp
US 104.33.204.83:443 tcp
CL 164.77.138.194:80 tcp
CL 164.77.138.194:80 tcp
AR 181.16.4.180:80 tcp
AR 181.16.4.180:80 tcp

Files

memory/2512-0-0x00000000002A0000-0x00000000002BD000-memory.dmp

memory/2512-1-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2568-2-0x0000000000400000-0x000000000044A000-memory.dmp

memory/2568-4-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2512-5-0x00000000002A0000-0x00000000002BD000-memory.dmp

memory/2536-6-0x0000000000400000-0x000000000044A000-memory.dmp

memory/1720-7-0x0000000000400000-0x000000000044A000-memory.dmp

memory/2568-9-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1720-10-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1720-11-0x0000000000400000-0x000000000044A000-memory.dmp

memory/1720-12-0x0000000000400000-0x000000000041A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-16 07:41

Reported

2024-07-16 07:44

Platform

win10v2004-20240709-en

Max time kernel

150s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4d5fab7fea7faedb28daee4bceb224e8_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\4d5fab7fea7faedb28daee4bceb224e8_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4d5fab7fea7faedb28daee4bceb224e8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4d5fab7fea7faedb28daee4bceb224e8_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\4d5fab7fea7faedb28daee4bceb224e8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4d5fab7fea7faedb28daee4bceb224e8_JaffaCakes118.exe"

C:\Windows\SysWOW64\radarresw.exe

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

C:\Windows\SysWOW64\radarresw.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 104.33.204.83:443 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 35.58.20.217.in-addr.arpa udp
CL 164.77.138.194:80 tcp
AR 181.16.4.180:80 tcp
PE 190.117.51.248:443 190.117.51.248 tcp
US 8.8.8.8:53 248.51.117.190.in-addr.arpa udp
US 23.240.26.210:80 tcp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
AR 190.111.215.2:80 tcp
TR 85.105.205.77:8080 tcp
US 8.8.8.8:53 udp

Files

memory/1016-0-0x00000000006C0000-0x00000000006DD000-memory.dmp

memory/1016-1-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2640-2-0x0000000000400000-0x000000000044A000-memory.dmp

memory/1016-3-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2640-4-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1016-5-0x00000000006C0000-0x00000000006DD000-memory.dmp

memory/3944-6-0x0000000000400000-0x000000000044A000-memory.dmp

memory/216-7-0x0000000000400000-0x000000000044A000-memory.dmp

memory/216-9-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2640-11-0x0000000000400000-0x000000000041A000-memory.dmp

memory/216-12-0x0000000000400000-0x000000000044A000-memory.dmp

memory/216-13-0x0000000000400000-0x000000000041A000-memory.dmp