Malware Analysis Report

2025-06-16 03:23

Sample ID 240508-3dt33sff57
Target 273291567a770579ce3dc6917e1b4402_JaffaCakes118
SHA256 a12e6a57bafb85c0d8eeb15d71697b09be4a0222ed897fc05b573d57a2593ac2
Tags
emotet banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a12e6a57bafb85c0d8eeb15d71697b09be4a0222ed897fc05b573d57a2593ac2

Threat Level: Known bad

The file 273291567a770579ce3dc6917e1b4402_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet banker trojan

Emotet

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-08 23:24

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-08 23:24

Reported

2024-05-08 23:26

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\273291567a770579ce3dc6917e1b4402_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\273291567a770579ce3dc6917e1b4402_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\273291567a770579ce3dc6917e1b4402_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\273291567a770579ce3dc6917e1b4402_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\273291567a770579ce3dc6917e1b4402_JaffaCakes118.exe N/A
N/A N/A C:\Windows\SysWOW64\dasmrctuip.exe N/A
N/A N/A C:\Windows\SysWOW64\dasmrctuip.exe N/A
N/A N/A C:\Windows\SysWOW64\dasmrctuip.exe N/A
N/A N/A C:\Windows\SysWOW64\dasmrctuip.exe N/A
N/A N/A C:\Windows\SysWOW64\dasmrctuip.exe N/A
N/A N/A C:\Windows\SysWOW64\dasmrctuip.exe N/A
N/A N/A C:\Windows\SysWOW64\dasmrctuip.exe N/A
N/A N/A C:\Windows\SysWOW64\dasmrctuip.exe N/A
N/A N/A C:\Windows\SysWOW64\dasmrctuip.exe N/A
N/A N/A C:\Windows\SysWOW64\dasmrctuip.exe N/A
N/A N/A C:\Windows\SysWOW64\dasmrctuip.exe N/A
N/A N/A C:\Windows\SysWOW64\dasmrctuip.exe N/A
N/A N/A C:\Windows\SysWOW64\dasmrctuip.exe N/A
N/A N/A C:\Windows\SysWOW64\dasmrctuip.exe N/A
N/A N/A C:\Windows\SysWOW64\dasmrctuip.exe N/A
N/A N/A C:\Windows\SysWOW64\dasmrctuip.exe N/A
N/A N/A C:\Windows\SysWOW64\dasmrctuip.exe N/A
N/A N/A C:\Windows\SysWOW64\dasmrctuip.exe N/A
N/A N/A C:\Windows\SysWOW64\dasmrctuip.exe N/A
N/A N/A C:\Windows\SysWOW64\dasmrctuip.exe N/A
N/A N/A C:\Windows\SysWOW64\dasmrctuip.exe N/A
N/A N/A C:\Windows\SysWOW64\dasmrctuip.exe N/A
N/A N/A C:\Windows\SysWOW64\dasmrctuip.exe N/A
N/A N/A C:\Windows\SysWOW64\dasmrctuip.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\273291567a770579ce3dc6917e1b4402_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\273291567a770579ce3dc6917e1b4402_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\273291567a770579ce3dc6917e1b4402_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\273291567a770579ce3dc6917e1b4402_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\273291567a770579ce3dc6917e1b4402_JaffaCakes118.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=3124,i,15721081447618313297,6839074028983272033,262144 --variations-seed-version --mojo-platform-channel-handle=4328 /prefetch:8

C:\Windows\SysWOW64\dasmrctuip.exe

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

C:\Windows\SysWOW64\dasmrctuip.exe

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

Network

Country Destination Domain Proto
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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
BE 2.17.107.131:443 www.bing.com tcp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 131.107.17.2.in-addr.arpa udp
US 71.78.24.146:80 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
AR 24.232.118.175:80 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 67.238.131.194:8080 tcp
US 66.115.89.239:7080 tcp
CA 192.186.96.124:8080 tcp
MX 189.236.80.172:20 tcp

Files

memory/2420-0-0x0000000001650000-0x000000000166A000-memory.dmp

memory/2420-5-0x0000000001670000-0x0000000001688000-memory.dmp

memory/2420-4-0x0000000001630000-0x000000000164A000-memory.dmp

memory/1520-6-0x0000000000740000-0x000000000075A000-memory.dmp

memory/1520-11-0x0000000000880000-0x0000000000898000-memory.dmp

memory/1520-10-0x0000000000720000-0x000000000073A000-memory.dmp

memory/4924-12-0x0000000000E90000-0x0000000000EAA000-memory.dmp

memory/4924-17-0x00000000011B0000-0x00000000011C8000-memory.dmp

memory/4924-16-0x0000000000E70000-0x0000000000E8A000-memory.dmp

memory/2012-18-0x0000000001890000-0x00000000018AA000-memory.dmp

memory/2012-23-0x00000000018B0000-0x00000000018C8000-memory.dmp

memory/2012-22-0x0000000001410000-0x000000000142A000-memory.dmp

memory/4924-24-0x0000000000E70000-0x0000000000E8A000-memory.dmp

memory/1520-25-0x0000000000480000-0x00000000004A5000-memory.dmp

memory/1520-26-0x0000000000720000-0x000000000073A000-memory.dmp

memory/2012-27-0x0000000001410000-0x000000000142A000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-08 23:24

Reported

2024-05-08 23:26

Platform

win7-20240508-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\273291567a770579ce3dc6917e1b4402_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\zipbased.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\zipbased.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\zipbased.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\zipbased.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f002a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\zipbased.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DBB4EBAB-9170-4B81-B231-53D510E45737} C:\Windows\SysWOW64\zipbased.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DBB4EBAB-9170-4B81-B231-53D510E45737}\WpadDecisionReason = "1" C:\Windows\SysWOW64\zipbased.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DBB4EBAB-9170-4B81-B231-53D510E45737}\0a-79-9a-29-cf-db C:\Windows\SysWOW64\zipbased.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-79-9a-29-cf-db\WpadDecisionReason = "1" C:\Windows\SysWOW64\zipbased.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-79-9a-29-cf-db\WpadDecision = "0" C:\Windows\SysWOW64\zipbased.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-79-9a-29-cf-db\WpadDetectedUrl C:\Windows\SysWOW64\zipbased.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\zipbased.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\zipbased.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DBB4EBAB-9170-4B81-B231-53D510E45737}\WpadDecisionTime = 2098a7e79ea1da01 C:\Windows\SysWOW64\zipbased.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DBB4EBAB-9170-4B81-B231-53D510E45737}\WpadDecision = "0" C:\Windows\SysWOW64\zipbased.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\zipbased.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\zipbased.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DBB4EBAB-9170-4B81-B231-53D510E45737}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\zipbased.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-79-9a-29-cf-db C:\Windows\SysWOW64\zipbased.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-79-9a-29-cf-db\WpadDecisionTime = 2098a7e79ea1da01 C:\Windows\SysWOW64\zipbased.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\273291567a770579ce3dc6917e1b4402_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\273291567a770579ce3dc6917e1b4402_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\273291567a770579ce3dc6917e1b4402_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\273291567a770579ce3dc6917e1b4402_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\273291567a770579ce3dc6917e1b4402_JaffaCakes118.exe"

C:\Windows\SysWOW64\zipbased.exe

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

C:\Windows\SysWOW64\zipbased.exe

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

Network

Country Destination Domain Proto
US 216.119.181.170:995 tcp
US 216.119.181.170:995 tcp
US 71.78.24.146:80 tcp
US 71.78.24.146:80 tcp
US 24.189.222.181:995 tcp
US 24.189.222.181:995 tcp
CL 190.47.64.245:465 tcp

Files

memory/2160-4-0x0000000000190000-0x00000000001AA000-memory.dmp

memory/1868-0-0x00000000001A0000-0x00000000001BA000-memory.dmp

memory/2160-11-0x00000000001B0000-0x00000000001C8000-memory.dmp

memory/2160-10-0x0000000000170000-0x000000000018A000-memory.dmp

memory/1868-9-0x00000000001C0000-0x00000000001D8000-memory.dmp

memory/1868-8-0x0000000000160000-0x000000000017A000-memory.dmp

memory/2696-17-0x00000000001D0000-0x00000000001EA000-memory.dmp

memory/2696-22-0x00000000002A0000-0x00000000002B8000-memory.dmp

memory/2696-21-0x00000000001B0000-0x00000000001CA000-memory.dmp

memory/2632-16-0x0000000000170000-0x000000000018A000-memory.dmp

memory/2160-23-0x0000000000D40000-0x0000000000D65000-memory.dmp

memory/2160-24-0x0000000000170000-0x000000000018A000-memory.dmp

memory/2696-25-0x00000000001B0000-0x00000000001CA000-memory.dmp