Malware Analysis Report

2025-01-03 06:14

Sample ID 240521-wkp95sde8v
Target 643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118
SHA256 2e46d920c3a093587ec5544a8032856b31189e84967e92a988be77b3c5e10480
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

2e46d920c3a093587ec5544a8032856b31189e84967e92a988be77b3c5e10480

Threat Level: Known bad

The file 643a1f9e7b6699a63dd5b9719078c63c_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 behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-21 17:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-21 17:59

Reported

2024-05-21 18:01

Platform

win7-20240220-en

Max time kernel

141s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\643a1f9e7b6699a63dd5b9719078c63c_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\propiso.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\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\propiso.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\propiso.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\propiso.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0850A76B-D348-49B6-BF92-C182D8B9A5FB}\WpadDecision = "0" C:\Windows\SysWOW64\propiso.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0850A76B-D348-49B6-BF92-C182D8B9A5FB}\7a-fb-28-8e-e0-81 C:\Windows\SysWOW64\propiso.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7a-fb-28-8e-e0-81\WpadDecisionTime = 8071cd9ca8abda01 C:\Windows\SysWOW64\propiso.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\propiso.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\propiso.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0850A76B-D348-49B6-BF92-C182D8B9A5FB} C:\Windows\SysWOW64\propiso.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0850A76B-D348-49B6-BF92-C182D8B9A5FB}\WpadDecisionTime = 8071cd9ca8abda01 C:\Windows\SysWOW64\propiso.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7a-fb-28-8e-e0-81 C:\Windows\SysWOW64\propiso.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\propiso.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\propiso.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\propiso.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0850A76B-D348-49B6-BF92-C182D8B9A5FB}\WpadDecisionReason = "1" C:\Windows\SysWOW64\propiso.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0850A76B-D348-49B6-BF92-C182D8B9A5FB}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\propiso.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7a-fb-28-8e-e0-81\WpadDecision = "0" C:\Windows\SysWOW64\propiso.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\propiso.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\propiso.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0131000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\propiso.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7a-fb-28-8e-e0-81\WpadDecisionReason = "1" C:\Windows\SysWOW64\propiso.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118.exe"

C:\Windows\SysWOW64\propiso.exe

C:\Windows\SysWOW64\propiso.exe

C:\Windows\SysWOW64\propiso.exe

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

Network

Country Destination Domain Proto
FR 164.132.223.193:8080 164.132.223.193 tcp
IN 220.227.247.35:7080 tcp
IN 220.227.247.35:7080 tcp
IN 220.227.247.39:7080 tcp
IN 220.227.247.39:7080 tcp

Files

memory/2792-4-0x00000000003C0000-0x00000000003CE000-memory.dmp

memory/2792-5-0x00000000003B0000-0x00000000003BE000-memory.dmp

memory/2792-0-0x00000000003C0000-0x00000000003CE000-memory.dmp

memory/2792-6-0x00000000003D0000-0x00000000003E0000-memory.dmp

memory/768-11-0x0000000000280000-0x000000000028E000-memory.dmp

memory/768-8-0x0000000000280000-0x000000000028E000-memory.dmp

memory/768-13-0x0000000000290000-0x00000000002A0000-memory.dmp

memory/768-12-0x0000000000270000-0x000000000027E000-memory.dmp

memory/2792-14-0x00000000003B0000-0x00000000003BE000-memory.dmp

memory/2984-19-0x00000000003D0000-0x00000000003DE000-memory.dmp

memory/2984-15-0x00000000003D0000-0x00000000003DE000-memory.dmp

memory/2984-21-0x00000000003E0000-0x00000000003F0000-memory.dmp

memory/2984-20-0x00000000003C0000-0x00000000003CE000-memory.dmp

memory/2984-27-0x00000000003C0000-0x00000000003CE000-memory.dmp

memory/768-29-0x0000000000270000-0x000000000027E000-memory.dmp

memory/768-28-0x0000000000400000-0x0000000000421000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-21 17:59

Reported

2024-05-21 18:01

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\643a1f9e7b6699a63dd5b9719078c63c_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\History\History.IE5 C:\Windows\SysWOW64\deviceevent.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 C:\Windows\SysWOW64\deviceevent.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\deviceevent.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\deviceevent.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\deviceevent.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\deviceevent.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\deviceevent.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\643a1f9e7b6699a63dd5b9719078c63c_JaffaCakes118.exe"

C:\Windows\SysWOW64\deviceevent.exe

C:\Windows\SysWOW64\deviceevent.exe

C:\Windows\SysWOW64\deviceevent.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
NL 23.62.61.155:443 www.bing.com tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 155.61.62.23.in-addr.arpa udp
FR 164.132.223.193:8080 164.132.223.193 tcp
US 8.8.8.8:53 193.223.132.164.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
IN 220.227.247.35:7080 tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
IN 220.227.247.39:7080 tcp
US 8.8.8.8:53 udp
N/A 153.149.153.41:8080 tcp

Files

memory/3088-4-0x0000000000A20000-0x0000000000A2E000-memory.dmp

memory/3088-1-0x0000000000A20000-0x0000000000A2E000-memory.dmp

memory/3088-6-0x0000000000A40000-0x0000000000A50000-memory.dmp

memory/3088-5-0x0000000000A10000-0x0000000000A1E000-memory.dmp

memory/3912-11-0x0000000002150000-0x000000000215E000-memory.dmp

memory/3912-7-0x0000000002150000-0x000000000215E000-memory.dmp

memory/3912-13-0x0000000002160000-0x0000000002170000-memory.dmp

memory/3912-12-0x00000000004D0000-0x00000000004DE000-memory.dmp

memory/3088-14-0x0000000000A10000-0x0000000000A1E000-memory.dmp

memory/1936-15-0x0000000000E10000-0x0000000000E1E000-memory.dmp

memory/1936-19-0x0000000000E10000-0x0000000000E1E000-memory.dmp

memory/1936-21-0x0000000000E20000-0x0000000000E30000-memory.dmp

memory/1936-20-0x0000000000990000-0x000000000099E000-memory.dmp

memory/3440-26-0x00000000005E0000-0x00000000005EE000-memory.dmp

memory/3440-22-0x00000000005E0000-0x00000000005EE000-memory.dmp

memory/1936-27-0x0000000000990000-0x000000000099E000-memory.dmp

memory/3912-28-0x0000000000400000-0x0000000000421000-memory.dmp

memory/3912-29-0x00000000004D0000-0x00000000004DE000-memory.dmp