Malware Analysis Report

2024-09-22 22:52

Sample ID 240615-dla8ha1ckk
Target acb16ce9976de4cf4937c3992c589e0d_JaffaCakes118
SHA256 dd91d9ff4438c7274d1d2e045fc5b27bfb5767e126036ab0284781580fbb2b5e
Tags
epoch3 emotet banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

dd91d9ff4438c7274d1d2e045fc5b27bfb5767e126036ab0284781580fbb2b5e

Threat Level: Known bad

The file acb16ce9976de4cf4937c3992c589e0d_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

epoch3 emotet banker trojan

Emotet family

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 Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-15 03:05

Signatures

Emotet family

emotet

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-15 03:05

Reported

2024-06-15 03:07

Platform

win7-20240611-en

Max time kernel

136s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\acb16ce9976de4cf4937c3992c589e0d_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\memowsat.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\{747B6145-8C5E-4490-B27F-ECACBB08DD56} C:\Windows\SysWOW64\memowsat.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{747B6145-8C5E-4490-B27F-ECACBB08DD56}\WpadDecisionReason = "1" C:\Windows\SysWOW64\memowsat.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\86-4c-c4-c9-44-69\WpadDecision = "0" C:\Windows\SysWOW64\memowsat.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\memowsat.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\memowsat.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\memowsat.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\memowsat.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\memowsat.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{747B6145-8C5E-4490-B27F-ECACBB08DD56}\WpadDecisionTime = 902052ebd0beda01 C:\Windows\SysWOW64\memowsat.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{747B6145-8C5E-4490-B27F-ECACBB08DD56}\WpadDecisionTime = f09ada0fd1beda01 C:\Windows\SysWOW64\memowsat.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\memowsat.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\86-4c-c4-c9-44-69 C:\Windows\SysWOW64\memowsat.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\memowsat.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\86-4c-c4-c9-44-69\WpadDetectedUrl C:\Windows\SysWOW64\memowsat.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\86-4c-c4-c9-44-69\WpadDecisionTime = f09ada0fd1beda01 C:\Windows\SysWOW64\memowsat.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\memowsat.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\memowsat.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{747B6145-8C5E-4490-B27F-ECACBB08DD56}\WpadDecision = "0" C:\Windows\SysWOW64\memowsat.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{747B6145-8C5E-4490-B27F-ECACBB08DD56}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\memowsat.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\86-4c-c4-c9-44-69\WpadDecisionReason = "1" C:\Windows\SysWOW64\memowsat.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\memowsat.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0176000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\memowsat.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{747B6145-8C5E-4490-B27F-ECACBB08DD56}\86-4c-c4-c9-44-69 C:\Windows\SysWOW64\memowsat.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\86-4c-c4-c9-44-69\WpadDecisionTime = 902052ebd0beda01 C:\Windows\SysWOW64\memowsat.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0176000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\memowsat.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\memowsat.exe N/A
N/A N/A C:\Windows\SysWOW64\memowsat.exe N/A
N/A N/A C:\Windows\SysWOW64\memowsat.exe N/A
N/A N/A C:\Windows\SysWOW64\memowsat.exe N/A
N/A N/A C:\Windows\SysWOW64\memowsat.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\acb16ce9976de4cf4937c3992c589e0d_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\acb16ce9976de4cf4937c3992c589e0d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\acb16ce9976de4cf4937c3992c589e0d_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\acb16ce9976de4cf4937c3992c589e0d_JaffaCakes118.exe

--c77d8e49

C:\Windows\SysWOW64\memowsat.exe

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

C:\Windows\SysWOW64\memowsat.exe

--af82219b

Network

Country Destination Domain Proto
ZA 105.226.188.128:8090 tcp
ZA 105.226.188.128:8090 tcp
DE 91.205.173.54:8080 tcp
DE 91.205.173.54:8080 tcp
FR 163.172.97.112:8080 tcp
FR 163.172.97.112:8080 tcp
US 72.47.202.235:8080 tcp
US 72.47.202.235:8080 tcp
NL 46.17.6.116:8080 tcp

Files

memory/2364-0-0x0000000001270000-0x0000000001284000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-15 03:05

Reported

2024-06-15 03:07

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\acb16ce9976de4cf4937c3992c589e0d_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\INetCache\Content.IE5 C:\Windows\SysWOW64\moreattrib.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\moreattrib.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\moreattrib.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\moreattrib.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\moreattrib.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\moreattrib.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\moreattrib.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\acb16ce9976de4cf4937c3992c589e0d_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\acb16ce9976de4cf4937c3992c589e0d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\acb16ce9976de4cf4937c3992c589e0d_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\acb16ce9976de4cf4937c3992c589e0d_JaffaCakes118.exe

--c77d8e49

C:\Windows\SysWOW64\moreattrib.exe

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

C:\Windows\SysWOW64\moreattrib.exe

--b94c70d1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
ZA 105.226.188.128:8090 tcp
DE 91.205.173.54:8080 tcp
FR 163.172.97.112:8080 tcp
US 72.47.202.235:8080 tcp
NL 46.17.6.116:8080 tcp
FR 46.105.131.68:8080 tcp

Files

memory/1996-0-0x00000000009D0000-0x00000000009E4000-memory.dmp