Malware Analysis Report

2024-09-22 22:37

Sample ID 240601-k2ghsaha75
Target 89f99f4791f56d7f8d68a2de9c4ec93b_JaffaCakes118
SHA256 aa07db23c6addba5df56820272525090bee9bcf4cda3b3d9ed00f5bdfc674021
Tags
emotet epoch1 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

aa07db23c6addba5df56820272525090bee9bcf4cda3b3d9ed00f5bdfc674021

Threat Level: Known bad

The file 89f99f4791f56d7f8d68a2de9c4ec93b_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch1 banker trojan

Emotet

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-01 09:05

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-01 09:05

Reported

2024-06-01 09:08

Platform

win7-20240221-en

Max time kernel

138s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\89f99f4791f56d7f8d68a2de9c4ec93b_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\scanmalert.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 C:\Windows\SysWOW64\scanmalert.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0073000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\scanmalert.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-43-0f-be-be-1b C:\Windows\SysWOW64\scanmalert.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-43-0f-be-be-1b\WpadDecisionReason = "1" C:\Windows\SysWOW64\scanmalert.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\scanmalert.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{21375391-3F4D-4558-8330-637CD890942A}\96-43-0f-be-be-1b C:\Windows\SysWOW64\scanmalert.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-43-0f-be-be-1b\WpadDecisionTime = d0aee1fc02b4da01 C:\Windows\SysWOW64\scanmalert.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\scanmalert.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\scanmalert.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\scanmalert.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{21375391-3F4D-4558-8330-637CD890942A} C:\Windows\SysWOW64\scanmalert.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{21375391-3F4D-4558-8330-637CD890942A}\WpadDecisionReason = "1" C:\Windows\SysWOW64\scanmalert.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{21375391-3F4D-4558-8330-637CD890942A}\WpadDecisionTime = d0aee1fc02b4da01 C:\Windows\SysWOW64\scanmalert.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{21375391-3F4D-4558-8330-637CD890942A}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\scanmalert.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-43-0f-be-be-1b\WpadDecision = "0" C:\Windows\SysWOW64\scanmalert.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\scanmalert.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\scanmalert.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\scanmalert.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\scanmalert.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\scanmalert.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{21375391-3F4D-4558-8330-637CD890942A}\WpadDecision = "0" C:\Windows\SysWOW64\scanmalert.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\89f99f4791f56d7f8d68a2de9c4ec93b_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\89f99f4791f56d7f8d68a2de9c4ec93b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\89f99f4791f56d7f8d68a2de9c4ec93b_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\89f99f4791f56d7f8d68a2de9c4ec93b_JaffaCakes118.exe

--7a0a68d4

C:\Windows\SysWOW64\scanmalert.exe

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

C:\Windows\SysWOW64\scanmalert.exe

--c910d2be

Network

Country Destination Domain Proto
US 73.167.135.180:80 tcp
US 73.167.135.180:80 tcp
US 72.29.55.174:80 tcp
US 72.29.55.174:80 tcp
US 63.246.252.234:80 tcp

Files

memory/2220-0-0x0000000000470000-0x0000000000487000-memory.dmp

memory/2220-5-0x00000000003C0000-0x00000000003D1000-memory.dmp

memory/2228-6-0x00000000002E0000-0x00000000002F7000-memory.dmp

memory/2228-11-0x0000000000400000-0x000000000046F000-memory.dmp

memory/2836-12-0x0000000000390000-0x00000000003A7000-memory.dmp

memory/2472-18-0x0000000000B40000-0x0000000000B57000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-01 09:05

Reported

2024-06-01 09:08

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\89f99f4791f56d7f8d68a2de9c4ec93b_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\wrapsitka.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\wrapsitka.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\wrapsitka.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\wrapsitka.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\wrapsitka.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\wrapsitka.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\wrapsitka.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\89f99f4791f56d7f8d68a2de9c4ec93b_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\89f99f4791f56d7f8d68a2de9c4ec93b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\89f99f4791f56d7f8d68a2de9c4ec93b_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\89f99f4791f56d7f8d68a2de9c4ec93b_JaffaCakes118.exe

--7a0a68d4

C:\Windows\SysWOW64\wrapsitka.exe

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

C:\Windows\SysWOW64\wrapsitka.exe

--cee64ca0

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 73.167.135.180:80 tcp
US 72.29.55.174:80 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 63.246.252.234:80 tcp
US 104.236.137.72:8080 tcp
DE 172.104.233.225:8080 tcp
PL 213.189.36.51:8080 tcp
GB 85.234.143.94:8080 tcp
US 8.8.8.8:53 2.173.189.20.in-addr.arpa udp

Files

memory/2024-0-0x0000000000700000-0x0000000000717000-memory.dmp

memory/2024-5-0x00000000006E0000-0x00000000006F1000-memory.dmp

memory/3732-6-0x0000000001FC0000-0x0000000001FD7000-memory.dmp

memory/3732-11-0x0000000000400000-0x000000000046F000-memory.dmp

C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\5ee9f8cddb3ff188c6a99dcf99203008_41e50f4a-4a76-42e1-a3df-51306e426307

MD5 aaec799e344163d0d188e0590697cb1e
SHA1 94aa3e9674f1335e1cdf6dc7b7c7cdbf5c97c65d
SHA256 d627b40c75603106e24782fdb852c180722ae6d472bdb60367bf2708f28f5454
SHA512 285e78b5ddc3049b2b167e0c785f410260eecdbb745489e3e5984e118c627e97b7499f8a937a4a6d5da4fe046fb220fc70fd5abc583083909fd005b1ee4f03b0

memory/1204-13-0x0000000000E40000-0x0000000000E57000-memory.dmp

memory/3260-20-0x0000000000E30000-0x0000000000E47000-memory.dmp