Malware Analysis Report

2024-09-22 23:08

Sample ID 240601-s4q41afg9s
Target 8aed87e6b4e8897e3e0138d55d499389_JaffaCakes118
SHA256 ddffb10b1c6475cb775278cc3ec1c65755c846b1d9b15b07f2e608a0d47bf03f
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

ddffb10b1c6475cb775278cc3ec1c65755c846b1d9b15b07f2e608a0d47bf03f

Threat Level: Known bad

The file 8aed87e6b4e8897e3e0138d55d499389_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

Modifies data under HKEY_USERS

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-01 15:41

Signatures

Emotet family

emotet

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-01 15:41

Reported

2024-06-01 15:43

Platform

win7-20240215-en

Max time kernel

139s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8aed87e6b4e8897e3e0138d55d499389_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\ipspsinit.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\Content\CachePrefix C:\Windows\SysWOW64\ipspsinit.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\ipspsinit.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\ipspsinit.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-de-0b-ac-ed-4e\WpadDecisionReason = "1" C:\Windows\SysWOW64\ipspsinit.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-de-0b-ac-ed-4e\WpadDecisionTime = c0378f2b3ab4da01 C:\Windows\SysWOW64\ipspsinit.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-de-0b-ac-ed-4e\WpadDecision = "0" C:\Windows\SysWOW64\ipspsinit.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\ipspsinit.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\ipspsinit.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2BE8AE3F-6427-48D7-A0B7-8A74A6048500}\WpadDecisionReason = "1" C:\Windows\SysWOW64\ipspsinit.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2BE8AE3F-6427-48D7-A0B7-8A74A6048500}\a6-de-0b-ac-ed-4e C:\Windows\SysWOW64\ipspsinit.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\ipspsinit.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\ipspsinit.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0067000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\ipspsinit.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2BE8AE3F-6427-48D7-A0B7-8A74A6048500}\WpadDecisionTime = c0378f2b3ab4da01 C:\Windows\SysWOW64\ipspsinit.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2BE8AE3F-6427-48D7-A0B7-8A74A6048500}\WpadDecision = "0" C:\Windows\SysWOW64\ipspsinit.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2BE8AE3F-6427-48D7-A0B7-8A74A6048500}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\ipspsinit.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\ipspsinit.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\ipspsinit.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\ipspsinit.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2BE8AE3F-6427-48D7-A0B7-8A74A6048500} C:\Windows\SysWOW64\ipspsinit.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-de-0b-ac-ed-4e C:\Windows\SysWOW64\ipspsinit.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8aed87e6b4e8897e3e0138d55d499389_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8aed87e6b4e8897e3e0138d55d499389_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8aed87e6b4e8897e3e0138d55d499389_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\8aed87e6b4e8897e3e0138d55d499389_JaffaCakes118.exe

--1cc73910

C:\Windows\SysWOW64\ipspsinit.exe

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

C:\Windows\SysWOW64\ipspsinit.exe

--952cb7b5

Network

Country Destination Domain Proto
MX 187.188.166.192:80 tcp
MX 187.188.166.192:80 tcp
PA 181.197.2.80:443 tcp
PA 181.197.2.80:443 tcp
VE 200.90.86.170:8080 tcp
VE 200.90.86.170:8080 tcp

Files

memory/2320-0-0x0000000000A30000-0x0000000000A47000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-01 15:41

Reported

2024-06-01 15:43

Platform

win10v2004-20240426-en

Max time kernel

128s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8aed87e6b4e8897e3e0138d55d499389_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\browserrowset.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\browserrowset.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\browserrowset.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\browserrowset.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\Content\CachePrefix C:\Windows\SysWOW64\browserrowset.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\browserrowset.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\browserrowset.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8aed87e6b4e8897e3e0138d55d499389_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8aed87e6b4e8897e3e0138d55d499389_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8aed87e6b4e8897e3e0138d55d499389_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\8aed87e6b4e8897e3e0138d55d499389_JaffaCakes118.exe

--1cc73910

C:\Windows\SysWOW64\browserrowset.exe

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

C:\Windows\SysWOW64\browserrowset.exe

--533d8626

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
MX 187.188.166.192:80 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
PA 181.197.2.80:443 tcp
US 8.8.8.8:53 99.58.20.217.in-addr.arpa udp
VE 200.90.86.170:8080 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
GB 94.177.253.126:80 tcp
BR 131.0.103.200:8080 tcp

Files

memory/4608-0-0x0000000000E30000-0x0000000000E47000-memory.dmp