Malware Analysis Report

2025-06-16 03:23

Sample ID 240508-172znsad8t
Target 26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118
SHA256 3c8030b45d07bafb36023df5de15f6a02a461f1ed73dbe7eb4e678bad20e718f
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

3c8030b45d07bafb36023df5de15f6a02a461f1ed73dbe7eb4e678bad20e718f

Threat Level: Known bad

The file 26fec1e25a99f0cee5e40a4cac55ea00_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

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-08 22:18

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-08 22:18

Reported

2024-05-08 22:20

Platform

win7-20240508-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_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\horzdynamic.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\horzdynamic.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AB41B090-1277-4DB7-B7B7-F9A3D6B4E3F6} C:\Windows\SysWOW64\horzdynamic.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AB41B090-1277-4DB7-B7B7-F9A3D6B4E3F6}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\horzdynamic.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-87-0e-97-9c-0b\WpadDecisionReason = "1" C:\Windows\SysWOW64\horzdynamic.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AB41B090-1277-4DB7-B7B7-F9A3D6B4E3F6}\7e-87-0e-97-9c-0b C:\Windows\SysWOW64\horzdynamic.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-87-0e-97-9c-0b\WpadDecisionTime = 00462aae95a1da01 C:\Windows\SysWOW64\horzdynamic.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-87-0e-97-9c-0b\WpadDecision = "0" C:\Windows\SysWOW64\horzdynamic.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\horzdynamic.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\horzdynamic.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\horzdynamic.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AB41B090-1277-4DB7-B7B7-F9A3D6B4E3F6}\WpadDecisionTime = 00462aae95a1da01 C:\Windows\SysWOW64\horzdynamic.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-87-0e-97-9c-0b\WpadDetectedUrl C:\Windows\SysWOW64\horzdynamic.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\horzdynamic.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\horzdynamic.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AB41B090-1277-4DB7-B7B7-F9A3D6B4E3F6}\WpadDecision = "0" C:\Windows\SysWOW64\horzdynamic.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-87-0e-97-9c-0b C:\Windows\SysWOW64\horzdynamic.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\horzdynamic.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\horzdynamic.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AB41B090-1277-4DB7-B7B7-F9A3D6B4E3F6}\WpadDecisionReason = "1" C:\Windows\SysWOW64\horzdynamic.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe"

C:\Windows\SysWOW64\horzdynamic.exe

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

C:\Windows\SysWOW64\horzdynamic.exe

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

Network

Country Destination Domain Proto
TR 88.248.51.109:80 tcp
TR 88.248.51.109:80 tcp
US 72.216.21.186:443 tcp
US 72.216.21.186:443 tcp
US 108.2.108.124:80 tcp
US 108.2.108.124:80 tcp
IN 103.69.91.106:443 tcp

Files

memory/1676-5-0x0000000000400000-0x0000000000481000-memory.dmp

memory/2236-10-0x0000000000660000-0x0000000000677000-memory.dmp

memory/2236-6-0x0000000000660000-0x0000000000677000-memory.dmp

memory/1676-4-0x00000000002A0000-0x00000000002B7000-memory.dmp

memory/1676-0-0x00000000002A0000-0x00000000002B7000-memory.dmp

memory/2584-11-0x0000000000490000-0x00000000004A7000-memory.dmp

memory/2584-15-0x0000000000490000-0x00000000004A7000-memory.dmp

memory/2648-20-0x00000000003E0000-0x00000000003F7000-memory.dmp

memory/2648-16-0x00000000003E0000-0x00000000003F7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-08 22:18

Reported

2024-05-08 22:20

Platform

win10v2004-20240508-en

Max time kernel

146s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe"

Signatures

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\26fec1e25a99f0cee5e40a4cac55ea00_JaffaCakes118.exe"

C:\Windows\SysWOW64\aerounity.exe

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

C:\Windows\SysWOW64\aerounity.exe

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

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=4408,i,3724086843943218842,1026644135694712596,262144 --variations-seed-version --mojo-platform-channel-handle=3740 /prefetch:8

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 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
TR 88.248.51.109:80 tcp
US 72.216.21.186:443 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 108.2.108.124:80 tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
IN 103.69.91.106:443 tcp
US 96.89.6.21:443 tcp
US 67.55.249.84:80 tcp
US 71.32.75.57:80 tcp

Files

memory/4624-4-0x0000000002220000-0x0000000002237000-memory.dmp

memory/4624-0-0x0000000002220000-0x0000000002237000-memory.dmp

memory/4624-6-0x0000000002240000-0x0000000002250000-memory.dmp

memory/4624-5-0x0000000002200000-0x0000000002217000-memory.dmp

memory/1892-7-0x0000000000620000-0x0000000000637000-memory.dmp

memory/1892-8-0x0000000000640000-0x0000000000657000-memory.dmp

memory/1892-12-0x0000000000640000-0x0000000000657000-memory.dmp

memory/1892-13-0x0000000000660000-0x0000000000670000-memory.dmp

memory/3336-20-0x0000000000590000-0x00000000005A0000-memory.dmp

memory/3336-19-0x0000000000550000-0x0000000000567000-memory.dmp

memory/3336-18-0x0000000000570000-0x0000000000587000-memory.dmp

memory/3336-14-0x0000000000570000-0x0000000000587000-memory.dmp

memory/1884-25-0x0000000000580000-0x0000000000597000-memory.dmp

memory/1884-21-0x0000000000580000-0x0000000000597000-memory.dmp

memory/3336-26-0x0000000000550000-0x0000000000567000-memory.dmp

memory/1892-27-0x0000000000400000-0x0000000000481000-memory.dmp

memory/1892-28-0x0000000000620000-0x0000000000637000-memory.dmp