Malware Analysis Report

2024-09-22 22:18

Sample ID 240616-a1nklasakg
Target b0f186125d77cb97028153ca6e07ae17_JaffaCakes118
SHA256 d65efdf131815ec04855dcef2bcf6124e5ee5726e2ca8388dbab1407e5f323bc
Tags
emotet epoch1 banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

d65efdf131815ec04855dcef2bcf6124e5ee5726e2ca8388dbab1407e5f323bc

Threat Level: Known bad

The file b0f186125d77cb97028153ca6e07ae17_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: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

Suspicious use of SetWindowsHookEx

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-16 00:40

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 00:40

Reported

2024-06-16 00:43

Platform

win10v2004-20240508-en

Max time kernel

125s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b0f186125d77cb97028153ca6e07ae17_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\iplkmethods.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\iplkmethods.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\iplkmethods.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\iplkmethods.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\iplkmethods.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\iplkmethods.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\iplkmethods.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b0f186125d77cb97028153ca6e07ae17_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b0f186125d77cb97028153ca6e07ae17_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b0f186125d77cb97028153ca6e07ae17_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\b0f186125d77cb97028153ca6e07ae17_JaffaCakes118.exe

--8d3f82c7

C:\Windows\SysWOW64\iplkmethods.exe

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

C:\Windows\SysWOW64\iplkmethods.exe

--41ab4042

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
AU 113.61.76.239:80 tcp
PH 111.125.71.22:8080 tcp
FR 80.11.158.65:8080 tcp

Files

memory/4152-0-0x0000000002260000-0x0000000002277000-memory.dmp

memory/4152-5-0x0000000000600000-0x0000000000611000-memory.dmp

memory/3596-6-0x0000000002220000-0x0000000002237000-memory.dmp

memory/3596-11-0x0000000000400000-0x0000000000451000-memory.dmp

memory/2300-13-0x0000000000D60000-0x0000000000D77000-memory.dmp

memory/832-19-0x0000000000D50000-0x0000000000D67000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 00:40

Reported

2024-06-16 00:43

Platform

win7-20240221-en

Max time kernel

141s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b0f186125d77cb97028153ca6e07ae17_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\attribwsa.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\attribwsa.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\attribwsa.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0AAC7CAB-7AAE-4D9E-87D0-C4C2DF82336C} C:\Windows\SysWOW64\attribwsa.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\attribwsa.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\attribwsa.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0AAC7CAB-7AAE-4D9E-87D0-C4C2DF82336C}\WpadDecisionTime = 104505e885bfda01 C:\Windows\SysWOW64\attribwsa.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0AAC7CAB-7AAE-4D9E-87D0-C4C2DF82336C}\WpadDecision = "0" C:\Windows\SysWOW64\attribwsa.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0AAC7CAB-7AAE-4D9E-87D0-C4C2DF82336C}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\attribwsa.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\22-6b-c5-28-47-73 C:\Windows\SysWOW64\attribwsa.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0AAC7CAB-7AAE-4D9E-87D0-C4C2DF82336C}\22-6b-c5-28-47-73 C:\Windows\SysWOW64\attribwsa.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00e3000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\attribwsa.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0AAC7CAB-7AAE-4D9E-87D0-C4C2DF82336C}\WpadDecisionReason = "1" C:\Windows\SysWOW64\attribwsa.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\attribwsa.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\attribwsa.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\attribwsa.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\attribwsa.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\attribwsa.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\attribwsa.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\22-6b-c5-28-47-73\WpadDecisionReason = "1" C:\Windows\SysWOW64\attribwsa.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\22-6b-c5-28-47-73\WpadDecisionTime = 104505e885bfda01 C:\Windows\SysWOW64\attribwsa.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\22-6b-c5-28-47-73\WpadDecision = "0" C:\Windows\SysWOW64\attribwsa.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b0f186125d77cb97028153ca6e07ae17_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b0f186125d77cb97028153ca6e07ae17_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b0f186125d77cb97028153ca6e07ae17_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\b0f186125d77cb97028153ca6e07ae17_JaffaCakes118.exe

--8d3f82c7

C:\Windows\SysWOW64\attribwsa.exe

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

C:\Windows\SysWOW64\attribwsa.exe

--d4d64651

Network

Country Destination Domain Proto
AU 113.61.76.239:80 tcp
AU 113.61.76.239:80 tcp
PH 111.125.71.22:8080 tcp
PH 111.125.71.22:8080 tcp
FR 80.11.158.65:8080 tcp
FR 80.11.158.65:8080 tcp

Files

memory/2732-0-0x0000000000270000-0x0000000000287000-memory.dmp

memory/2732-5-0x0000000000230000-0x0000000000241000-memory.dmp

memory/2852-6-0x00000000002C0000-0x00000000002D7000-memory.dmp

memory/2956-11-0x00000000003B0000-0x00000000003C7000-memory.dmp

memory/2852-16-0x0000000000400000-0x0000000000451000-memory.dmp

memory/2648-17-0x0000000000260000-0x0000000000277000-memory.dmp