Malware Analysis Report

2024-09-22 23:41

Sample ID 240617-c436kazhmh
Target b667d95eb7bb68cb705d4e03ec3c82e0_JaffaCakes118
SHA256 d67ffbff735113dee6060136bbe9d0f6d44a3026a2f4b57285ffeed2ce39cf61
Tags
emotet epoch2 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

d67ffbff735113dee6060136bbe9d0f6d44a3026a2f4b57285ffeed2ce39cf61

Threat Level: Known bad

The file b667d95eb7bb68cb705d4e03ec3c82e0_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch2 banker trojan

Emotet

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

Suspicious behavior: RenamesItself

Suspicious use of SetWindowsHookEx

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-17 02:38

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-17 02:38

Reported

2024-06-17 02:41

Platform

win7-20240220-en

Max time kernel

140s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b667d95eb7bb68cb705d4e03ec3c82e0_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\speedleel.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\{A3F4D7A6-E0A3-4B37-81FB-8A8AF6A70F98} C:\Windows\SysWOW64\speedleel.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A3F4D7A6-E0A3-4B37-81FB-8A8AF6A70F98}\WpadDecisionReason = "1" C:\Windows\SysWOW64\speedleel.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A3F4D7A6-E0A3-4B37-81FB-8A8AF6A70F98}\WpadDecisionTime = e036b78a5fc0da01 C:\Windows\SysWOW64\speedleel.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-60-9d-35-aa-05 C:\Windows\SysWOW64\speedleel.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A3F4D7A6-E0A3-4B37-81FB-8A8AF6A70F98}\62-60-9d-35-aa-05 C:\Windows\SysWOW64\speedleel.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-60-9d-35-aa-05\WpadDecisionTime = e036b78a5fc0da01 C:\Windows\SysWOW64\speedleel.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\speedleel.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\speedleel.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\speedleel.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A3F4D7A6-E0A3-4B37-81FB-8A8AF6A70F98}\WpadDecision = "0" C:\Windows\SysWOW64\speedleel.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\speedleel.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\speedleel.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0145000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\speedleel.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A3F4D7A6-E0A3-4B37-81FB-8A8AF6A70F98}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\speedleel.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-60-9d-35-aa-05\WpadDecisionReason = "1" C:\Windows\SysWOW64\speedleel.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\speedleel.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\speedleel.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\speedleel.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-60-9d-35-aa-05\WpadDecision = "0" C:\Windows\SysWOW64\speedleel.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\speedleel.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\speedleel.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b667d95eb7bb68cb705d4e03ec3c82e0_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b667d95eb7bb68cb705d4e03ec3c82e0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b667d95eb7bb68cb705d4e03ec3c82e0_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\b667d95eb7bb68cb705d4e03ec3c82e0_JaffaCakes118.exe

--72ab39cb

C:\Windows\SysWOW64\speedleel.exe

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

C:\Windows\SysWOW64\speedleel.exe

--e284579d

Network

Country Destination Domain Proto
IT 2.38.99.79:80 tcp
IT 2.38.99.79:80 tcp
US 98.24.231.64:80 tcp
US 98.24.231.64:80 tcp
US 47.156.70.145:80 tcp
US 47.156.70.145:80 tcp

Files

memory/2364-0-0x0000000001CE0000-0x0000000001CF7000-memory.dmp

memory/2364-5-0x0000000001C80000-0x0000000001C91000-memory.dmp

memory/2316-6-0x00000000003D0000-0x00000000003E7000-memory.dmp

memory/3024-11-0x0000000000930000-0x0000000000947000-memory.dmp

memory/2316-16-0x0000000000400000-0x000000000049D000-memory.dmp

memory/2112-17-0x0000000000330000-0x0000000000347000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-17 02:38

Reported

2024-06-17 02:41

Platform

win10v2004-20240508-en

Max time kernel

145s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b667d95eb7bb68cb705d4e03ec3c82e0_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\appidattrib.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\appidattrib.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\appidattrib.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\appidattrib.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\appidattrib.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\appidattrib.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\appidattrib.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b667d95eb7bb68cb705d4e03ec3c82e0_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b667d95eb7bb68cb705d4e03ec3c82e0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b667d95eb7bb68cb705d4e03ec3c82e0_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\b667d95eb7bb68cb705d4e03ec3c82e0_JaffaCakes118.exe

--72ab39cb

C:\Windows\SysWOW64\appidattrib.exe

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

C:\Windows\SysWOW64\appidattrib.exe

--861d9fdc

Network

Country Destination Domain Proto
IT 2.38.99.79:80 tcp
US 98.24.231.64:80 tcp
US 47.156.70.145:80 tcp
FR 37.59.24.177:8080 tcp

Files

memory/1744-0-0x00000000021D0000-0x00000000021E7000-memory.dmp

memory/1744-5-0x0000000002110000-0x0000000002121000-memory.dmp

memory/4816-6-0x00000000021A0000-0x00000000021B7000-memory.dmp

memory/4816-11-0x0000000000400000-0x000000000049D000-memory.dmp

memory/4580-13-0x0000000000D00000-0x0000000000D17000-memory.dmp

memory/4816-18-0x0000000000400000-0x000000000049D000-memory.dmp

memory/2444-19-0x0000000000E70000-0x0000000000E87000-memory.dmp