Malware Analysis Report

2024-10-18 21:13

Sample ID 240617-mm6kga1ckr
Target b82b6b7a48bf4e049cb4c338b18921eb_JaffaCakes118
SHA256 c7c64507d9df7bc28d251132cb309b54b86e939d5e2e21894e0573e9a1ec9ddc
Tags
emotet 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

c7c64507d9df7bc28d251132cb309b54b86e939d5e2e21894e0573e9a1ec9ddc

Threat Level: Known bad

The file b82b6b7a48bf4e049cb4c338b18921eb_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet banker trojan

Emotet

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-17 10:35

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-17 10:35

Reported

2024-06-17 10:38

Platform

win7-20240419-en

Max time kernel

147s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b82b6b7a48bf4e049cb4c338b18921eb_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\defragshared.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\f6-98-e5-d9-e3-d0 C:\Windows\SysWOW64\defragshared.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f6-98-e5-d9-e3-d0\WpadDecisionTime = b0cc047ba2c0da01 C:\Windows\SysWOW64\defragshared.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\defragshared.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\defragshared.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\defragshared.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f6-98-e5-d9-e3-d0\WpadDecisionReason = "1" C:\Windows\SysWOW64\defragshared.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\defragshared.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4B49A160-E7F5-4B4C-BB1D-8E68CCAB25B1}\WpadDecisionTime = 700c0e27a2c0da01 C:\Windows\SysWOW64\defragshared.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\defragshared.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4B49A160-E7F5-4B4C-BB1D-8E68CCAB25B1}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\defragshared.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f6-98-e5-d9-e3-d0\WpadDecisionTime = 700c0e27a2c0da01 C:\Windows\SysWOW64\defragshared.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f6-98-e5-d9-e3-d0\WpadDecision = "0" C:\Windows\SysWOW64\defragshared.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4B49A160-E7F5-4B4C-BB1D-8E68CCAB25B1} C:\Windows\SysWOW64\defragshared.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4B49A160-E7F5-4B4C-BB1D-8E68CCAB25B1}\f6-98-e5-d9-e3-d0 C:\Windows\SysWOW64\defragshared.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4B49A160-E7F5-4B4C-BB1D-8E68CCAB25B1}\WpadDecision = "0" C:\Windows\SysWOW64\defragshared.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\defragshared.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\defragshared.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4B49A160-E7F5-4B4C-BB1D-8E68CCAB25B1}\WpadDecisionReason = "1" C:\Windows\SysWOW64\defragshared.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00e2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\defragshared.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\defragshared.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00e2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\defragshared.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f6-98-e5-d9-e3-d0\WpadDetectedUrl C:\Windows\SysWOW64\defragshared.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4B49A160-E7F5-4B4C-BB1D-8E68CCAB25B1}\WpadDecisionTime = b0cc047ba2c0da01 C:\Windows\SysWOW64\defragshared.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\defragshared.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\defragshared.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b82b6b7a48bf4e049cb4c338b18921eb_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b82b6b7a48bf4e049cb4c338b18921eb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b82b6b7a48bf4e049cb4c338b18921eb_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\b82b6b7a48bf4e049cb4c338b18921eb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b82b6b7a48bf4e049cb4c338b18921eb_JaffaCakes118.exe"

C:\Windows\SysWOW64\defragshared.exe

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

C:\Windows\SysWOW64\defragshared.exe

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

Network

Country Destination Domain Proto
US 70.182.77.184:8090 tcp
US 70.182.77.184:8090 tcp
CA 69.17.170.58:80 tcp
CA 69.17.170.58:80 tcp
US 47.188.131.94:443 tcp
US 47.188.131.94:443 tcp
MX 189.236.94.20:995 tcp

Files

memory/2236-0-0x00000000002A0000-0x00000000002AD000-memory.dmp

memory/2236-6-0x00000000002B0000-0x00000000002C0000-memory.dmp

memory/2236-5-0x0000000000290000-0x000000000029D000-memory.dmp

memory/2236-4-0x00000000002A0000-0x00000000002AD000-memory.dmp

memory/2072-11-0x00000000002A0000-0x00000000002AD000-memory.dmp

memory/2072-7-0x00000000002A0000-0x00000000002AD000-memory.dmp

memory/2072-12-0x00000000002C0000-0x00000000002D0000-memory.dmp

memory/2236-13-0x0000000000290000-0x000000000029D000-memory.dmp

memory/2676-18-0x00000000003F0000-0x00000000003FD000-memory.dmp

memory/2676-14-0x00000000003F0000-0x00000000003FD000-memory.dmp

memory/2676-20-0x0000000000430000-0x0000000000440000-memory.dmp

memory/2676-19-0x0000000000270000-0x000000000027D000-memory.dmp

memory/2756-25-0x0000000000320000-0x000000000032D000-memory.dmp

memory/2756-21-0x0000000000320000-0x000000000032D000-memory.dmp

memory/2676-26-0x0000000000270000-0x000000000027D000-memory.dmp

memory/2072-28-0x0000000000290000-0x000000000029D000-memory.dmp

memory/2072-27-0x0000000000400000-0x0000000000423000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-17 10:35

Reported

2024-06-17 10:38

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b82b6b7a48bf4e049cb4c338b18921eb_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\pixswim.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\pixswim.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\pixswim.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\pixswim.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\pixswim.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\pixswim.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\pixswim.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b82b6b7a48bf4e049cb4c338b18921eb_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b82b6b7a48bf4e049cb4c338b18921eb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b82b6b7a48bf4e049cb4c338b18921eb_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\b82b6b7a48bf4e049cb4c338b18921eb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b82b6b7a48bf4e049cb4c338b18921eb_JaffaCakes118.exe"

C:\Windows\SysWOW64\pixswim.exe

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

C:\Windows\SysWOW64\pixswim.exe

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

Network

Country Destination Domain Proto
US 70.182.77.184:8090 tcp
CA 69.17.170.58:80 tcp
US 47.188.131.94:443 tcp
US 66.76.26.33:8080 tcp
US 24.217.117.217:80 tcp
AU 110.143.116.201:80 tcp

Files

memory/216-4-0x0000000000600000-0x000000000060D000-memory.dmp

memory/216-0-0x0000000000600000-0x000000000060D000-memory.dmp

memory/216-6-0x0000000000610000-0x0000000000620000-memory.dmp

memory/216-5-0x00000000005C0000-0x00000000005CD000-memory.dmp

memory/2132-11-0x0000000000730000-0x000000000073D000-memory.dmp

memory/2132-7-0x0000000000730000-0x000000000073D000-memory.dmp

memory/2132-13-0x0000000000740000-0x0000000000750000-memory.dmp

memory/2132-12-0x00000000005F0000-0x00000000005FD000-memory.dmp

memory/216-14-0x00000000005C0000-0x00000000005CD000-memory.dmp

memory/1712-19-0x00000000004D0000-0x00000000004DD000-memory.dmp

memory/1712-15-0x00000000004D0000-0x00000000004DD000-memory.dmp

memory/1712-21-0x00000000004F0000-0x0000000000500000-memory.dmp

memory/1712-20-0x00000000004C0000-0x00000000004CD000-memory.dmp

memory/1680-22-0x0000000000EA0000-0x0000000000EAD000-memory.dmp

memory/1680-26-0x0000000000EA0000-0x0000000000EAD000-memory.dmp

memory/1712-27-0x00000000004C0000-0x00000000004CD000-memory.dmp

memory/2132-29-0x00000000005F0000-0x00000000005FD000-memory.dmp

memory/2132-28-0x0000000000400000-0x0000000000423000-memory.dmp