Malware Analysis Report

2025-01-03 05:59

Sample ID 240418-2m6b2aha28
Target f8e8dfd09f2218f3df7b2ddcb7c256d7_JaffaCakes118
SHA256 bf9041e81a2ba70bdba75b83186b826931a9e9a825a350cb80dafdde06efae83
Tags
emotet epoch3 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

bf9041e81a2ba70bdba75b83186b826931a9e9a825a350cb80dafdde06efae83

Threat Level: Known bad

The file f8e8dfd09f2218f3df7b2ddcb7c256d7_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch3 banker trojan

Emotet

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Modifies data under HKEY_USERS

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-18 22:42

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-18 22:42

Reported

2024-04-18 22:45

Platform

win7-20240221-en

Max time kernel

146s

Max time network

168s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f8e8dfd09f2218f3df7b2ddcb7c256d7_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\charipmi.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\Software\Local AppWizard-Generated Applications\WinDir C:\Windows\SysWOW64\charipmi.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Local AppWizard-Generated Applications\WinDir\Settings C:\Windows\SysWOW64\charipmi.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00c2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\charipmi.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Local AppWizard-Generated Applications\WinDir\Recent File List C:\Windows\SysWOW64\charipmi.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\charipmi.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ae-51-26-73-0d-da C:\Windows\SysWOW64\charipmi.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DCD18798-4F76-4900-9E74-C9500276642C}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\charipmi.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ae-51-26-73-0d-da\WpadDecisionReason = "1" C:\Windows\SysWOW64\charipmi.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Local AppWizard-Generated Applications\WinDir\Recent File List C:\Windows\SysWOW64\charipmi.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\charipmi.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\charipmi.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DCD18798-4F76-4900-9E74-C9500276642C} C:\Windows\SysWOW64\charipmi.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DCD18798-4F76-4900-9E74-C9500276642C}\WpadDecisionReason = "1" C:\Windows\SysWOW64\charipmi.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Local AppWizard-Generated Applications\WinDir C:\Windows\SysWOW64\charipmi.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Local AppWizard-Generated Applications C:\Windows\SysWOW64\charipmi.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\charipmi.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DCD18798-4F76-4900-9E74-C9500276642C}\WpadDecision = "0" C:\Windows\SysWOW64\charipmi.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Local AppWizard-Generated Applications\WinDir\Settings C:\Windows\SysWOW64\charipmi.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\charipmi.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\charipmi.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\charipmi.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DCD18798-4F76-4900-9E74-C9500276642C}\ae-51-26-73-0d-da C:\Windows\SysWOW64\charipmi.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\charipmi.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\charipmi.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ae-51-26-73-0d-da\WpadDecisionTime = 20f617e1e191da01 C:\Windows\SysWOW64\charipmi.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\charipmi.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Local AppWizard-Generated Applications C:\Windows\SysWOW64\charipmi.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{DCD18798-4F76-4900-9E74-C9500276642C}\WpadDecisionTime = 20f617e1e191da01 C:\Windows\SysWOW64\charipmi.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ae-51-26-73-0d-da\WpadDecision = "0" C:\Windows\SysWOW64\charipmi.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f8e8dfd09f2218f3df7b2ddcb7c256d7_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f8e8dfd09f2218f3df7b2ddcb7c256d7_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\f8e8dfd09f2218f3df7b2ddcb7c256d7_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\f8e8dfd09f2218f3df7b2ddcb7c256d7_JaffaCakes118.exe

--2b63fad6

C:\Windows\SysWOW64\charipmi.exe

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

C:\Windows\SysWOW64\charipmi.exe

--3ae8e3ab

Network

Country Destination Domain Proto
VE 190.38.252.45:443 tcp
VE 190.38.252.45:443 tcp
ZA 105.225.77.21:80 tcp
ZA 105.225.77.21:80 tcp
AR 181.167.35.84:80 tcp
AR 181.167.35.84:80 tcp

Files

memory/2872-0-0x0000000000260000-0x0000000000277000-memory.dmp

memory/2580-10-0x00000000003A0000-0x00000000003B7000-memory.dmp

memory/2516-15-0x00000000003E0000-0x00000000003F7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-18 22:42

Reported

2024-04-18 22:45

Platform

win10v2004-20240412-en

Max time kernel

148s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f8e8dfd09f2218f3df7b2ddcb7c256d7_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\IE C:\Windows\SysWOW64\acquirepdf.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\acquirepdf.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\acquirepdf.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 C:\Windows\SysWOW64\acquirepdf.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\Software\Local AppWizard-Generated Applications\WinDir\Recent File List C:\Windows\SysWOW64\acquirepdf.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Local AppWizard-Generated Applications\WinDir C:\Windows\SysWOW64\acquirepdf.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Local AppWizard-Generated Applications\WinDir\Recent File List C:\Windows\SysWOW64\acquirepdf.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Local AppWizard-Generated Applications\WinDir\Settings C:\Windows\SysWOW64\acquirepdf.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\acquirepdf.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Local AppWizard-Generated Applications C:\Windows\SysWOW64\acquirepdf.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Local AppWizard-Generated Applications\WinDir\Settings C:\Windows\SysWOW64\acquirepdf.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Local AppWizard-Generated Applications C:\Windows\SysWOW64\acquirepdf.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\acquirepdf.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\acquirepdf.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Local AppWizard-Generated Applications\WinDir C:\Windows\SysWOW64\acquirepdf.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f8e8dfd09f2218f3df7b2ddcb7c256d7_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f8e8dfd09f2218f3df7b2ddcb7c256d7_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\f8e8dfd09f2218f3df7b2ddcb7c256d7_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\f8e8dfd09f2218f3df7b2ddcb7c256d7_JaffaCakes118.exe

--2b63fad6

C:\Windows\SysWOW64\acquirepdf.exe

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

C:\Windows\SysWOW64\acquirepdf.exe

--6c5197ae

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 udp
US 8.8.8.8:53 18.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 67.32.209.4.in-addr.arpa udp
US 8.8.8.8:53 21.114.53.23.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
VE 190.38.252.45:443 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
ZA 105.225.77.21:80 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
AR 181.167.35.84:80 tcp
US 8.8.8.8:53 33.117.19.2.in-addr.arpa udp
DE 164.68.115.146:8080 tcp
DE 5.189.148.98:8080 tcp
US 8.8.8.8:53 92.16.208.104.in-addr.arpa udp

Files

memory/4752-0-0x0000000002200000-0x0000000002217000-memory.dmp

memory/872-5-0x00000000006E0000-0x00000000006F7000-memory.dmp

memory/1020-10-0x0000000000730000-0x0000000000747000-memory.dmp

memory/2520-15-0x0000000000750000-0x0000000000767000-memory.dmp