Malware Analysis Report

2024-09-22 22:53

Sample ID 240601-g7887scf5x
Target 899b7f731691ce9b360f71591c192297_JaffaCakes118
SHA256 3ca4c9ae6148226f4d75ec385186b2f928e716fb4d1b0decdb7fa0acb4d74dda
Tags
emotet epoch3 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

3ca4c9ae6148226f4d75ec385186b2f928e716fb4d1b0decdb7fa0acb4d74dda

Threat Level: Known bad

The file 899b7f731691ce9b360f71591c192297_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch3 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 Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-01 06:27

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-01 06:27

Reported

2024-06-01 06:30

Platform

win7-20240508-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\899b7f731691ce9b360f71591c192297_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\gotoiterate.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\gotoiterate.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{452D8D09-F359-4BC8-B573-BE240584E621}\c2-ec-e7-c5-a8-51 C:\Windows\SysWOW64\gotoiterate.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-ec-e7-c5-a8-51\WpadDecisionReason = "1" C:\Windows\SysWOW64\gotoiterate.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\gotoiterate.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{452D8D09-F359-4BC8-B573-BE240584E621}\WpadDecisionTime = 205b6deaecb3da01 C:\Windows\SysWOW64\gotoiterate.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-ec-e7-c5-a8-51\WpadDecisionTime = 205b6deaecb3da01 C:\Windows\SysWOW64\gotoiterate.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\gotoiterate.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\gotoiterate.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\gotoiterate.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\gotoiterate.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\gotoiterate.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{452D8D09-F359-4BC8-B573-BE240584E621}\WpadDecision = "0" C:\Windows\SysWOW64\gotoiterate.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{452D8D09-F359-4BC8-B573-BE240584E621} C:\Windows\SysWOW64\gotoiterate.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{452D8D09-F359-4BC8-B573-BE240584E621}\WpadDecisionReason = "1" C:\Windows\SysWOW64\gotoiterate.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{452D8D09-F359-4BC8-B573-BE240584E621}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\gotoiterate.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-ec-e7-c5-a8-51 C:\Windows\SysWOW64\gotoiterate.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\gotoiterate.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\gotoiterate.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\gotoiterate.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f008f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\gotoiterate.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-ec-e7-c5-a8-51\WpadDecision = "0" C:\Windows\SysWOW64\gotoiterate.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\899b7f731691ce9b360f71591c192297_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\899b7f731691ce9b360f71591c192297_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\899b7f731691ce9b360f71591c192297_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\899b7f731691ce9b360f71591c192297_JaffaCakes118.exe

--39d33fb8

C:\Windows\SysWOW64\gotoiterate.exe

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

C:\Windows\SysWOW64\gotoiterate.exe

--85abc8ed

Network

Country Destination Domain Proto
PA 181.197.108.171:443 tcp
PA 181.197.108.171:443 tcp
EC 191.100.24.201:50000 tcp
EC 191.100.24.201:50000 tcp
KR 211.110.229.161:443 tcp
KR 211.110.229.161:443 tcp

Files

memory/2904-6-0x00000000003C0000-0x00000000003CE000-memory.dmp

memory/2904-5-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2904-0-0x00000000003D0000-0x00000000003E4000-memory.dmp

memory/848-12-0x00000000003C0000-0x00000000003D4000-memory.dmp

memory/848-17-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2376-18-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2664-19-0x0000000000480000-0x0000000000494000-memory.dmp

memory/2664-24-0x0000000000400000-0x0000000000438000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-01 06:27

Reported

2024-06-01 06:30

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\899b7f731691ce9b360f71591c192297_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\INetCookies C:\Windows\SysWOW64\bandwnd.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\bandwnd.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 C:\Windows\SysWOW64\bandwnd.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\bandwnd.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\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\bandwnd.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\bandwnd.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\bandwnd.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\899b7f731691ce9b360f71591c192297_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\899b7f731691ce9b360f71591c192297_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\899b7f731691ce9b360f71591c192297_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\899b7f731691ce9b360f71591c192297_JaffaCakes118.exe

--39d33fb8

C:\Windows\SysWOW64\bandwnd.exe

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

C:\Windows\SysWOW64\bandwnd.exe

--9971ea6e

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
PA 181.197.108.171:443 tcp
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
EC 191.100.24.201:50000 tcp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
KR 211.110.229.161:443 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.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
DE 193.34.144.138:8080 tcp
US 74.208.173.91:8080 tcp
US 8.8.8.8:53 169.117.168.52.in-addr.arpa udp

Files

memory/316-0-0x0000000000670000-0x0000000000684000-memory.dmp

memory/316-5-0x0000000000660000-0x000000000066E000-memory.dmp

memory/316-6-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2368-7-0x0000000000710000-0x0000000000724000-memory.dmp

memory/4692-13-0x00000000016A0000-0x00000000016B4000-memory.dmp

memory/4692-18-0x0000000000400000-0x0000000000438000-memory.dmp

memory/1080-21-0x0000000000D50000-0x0000000000D64000-memory.dmp

memory/2368-19-0x0000000000400000-0x0000000000438000-memory.dmp

C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\5847f796e40b24ab4b196e9bf5777c79_5a32ead2-14a8-4b34-b6a3-85cfb28e2fbd

MD5 c14842e691d2aa61b9d595e1be388f4d
SHA1 f7c1944b8c0d66b7e946fa9f203d6c2e8ff40725
SHA256 e4727b1d8ab8799bf1b4bb1e93e89482f1a6a6a890d8ef894c1b966168422de9
SHA512 2c9406f1c18d6518bc7c6f59e5f6cdc284e4858ccdc3c47bcbe56c43e16977305bb2c21b4e0ec43a072429bfb66a20af342b6197b678f606f61a6f779c6ccce6

memory/1080-26-0x0000000000400000-0x0000000000438000-memory.dmp