Malware Analysis Report

2024-09-22 23:13

Sample ID 240602-dd6z7sge2y
Target 8caada83d6b76d578b45a9a3ae53c384_JaffaCakes118
SHA256 7283b2d69f97aa75f41b18a60a7908c2952b9985d9d94ba96c3f79a385387211
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

7283b2d69f97aa75f41b18a60a7908c2952b9985d9d94ba96c3f79a385387211

Threat Level: Known bad

The file 8caada83d6b76d578b45a9a3ae53c384_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch2 banker trojan

Emotet

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-02 02:54

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-02 02:54

Reported

2024-06-02 02:57

Platform

win7-20240221-en

Max time kernel

145s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8caada83d6b76d578b45a9a3ae53c384_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\resizeipsm.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\resizeipsm.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\resizeipsm.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\resizeipsm.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\resizeipsm.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D75FC59A-6236-4B08-8390-60468DF3EDBE}\WpadDecisionReason = "1" C:\Windows\SysWOW64\resizeipsm.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6a-4f-8d-4b-10-6b\WpadDecisionTime = 403e294398b4da01 C:\Windows\SysWOW64\resizeipsm.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6a-4f-8d-4b-10-6b C:\Windows\SysWOW64\resizeipsm.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D75FC59A-6236-4B08-8390-60468DF3EDBE}\6a-4f-8d-4b-10-6b C:\Windows\SysWOW64\resizeipsm.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6a-4f-8d-4b-10-6b\WpadDecisionReason = "1" C:\Windows\SysWOW64\resizeipsm.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6a-4f-8d-4b-10-6b\WpadDecision = "0" C:\Windows\SysWOW64\resizeipsm.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\resizeipsm.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\resizeipsm.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\resizeipsm.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D75FC59A-6236-4B08-8390-60468DF3EDBE}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\resizeipsm.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D75FC59A-6236-4B08-8390-60468DF3EDBE} C:\Windows\SysWOW64\resizeipsm.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D75FC59A-6236-4B08-8390-60468DF3EDBE}\WpadDecisionTime = 403e294398b4da01 C:\Windows\SysWOW64\resizeipsm.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D75FC59A-6236-4B08-8390-60468DF3EDBE}\WpadDecision = "0" C:\Windows\SysWOW64\resizeipsm.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\resizeipsm.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\resizeipsm.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\resizeipsm.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0123000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\resizeipsm.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8caada83d6b76d578b45a9a3ae53c384_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8caada83d6b76d578b45a9a3ae53c384_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8caada83d6b76d578b45a9a3ae53c384_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\8caada83d6b76d578b45a9a3ae53c384_JaffaCakes118.exe

--7c1cc5e9

C:\Windows\SysWOW64\resizeipsm.exe

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

C:\Windows\SysWOW64\resizeipsm.exe

--adbcff27

Network

Country Destination Domain Proto
US 74.208.125.192:443 tcp
US 74.208.125.192:443 tcp
DE 165.227.156.155:443 165.227.156.155 tcp
US 104.239.175.211:8080 tcp
US 104.239.175.211:8080 tcp
US 67.225.179.64:8080 tcp
US 67.225.179.64:8080 tcp

Files

memory/2676-0-0x00000000003D0000-0x00000000003E3000-memory.dmp

memory/2676-5-0x00000000002B0000-0x00000000002BE000-memory.dmp

memory/2676-6-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2860-7-0x0000000000350000-0x0000000000363000-memory.dmp

memory/1564-12-0x00000000003E0000-0x00000000003F3000-memory.dmp

memory/2860-18-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1564-17-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2556-24-0x0000000000400000-0x00000000004BA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-02 02:54

Reported

2024-06-02 02:57

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8caada83d6b76d578b45a9a3ae53c384_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\coffeesspi.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\coffeesspi.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\coffeesspi.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\coffeesspi.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\coffeesspi.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\coffeesspi.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\coffeesspi.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8caada83d6b76d578b45a9a3ae53c384_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8caada83d6b76d578b45a9a3ae53c384_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8caada83d6b76d578b45a9a3ae53c384_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\8caada83d6b76d578b45a9a3ae53c384_JaffaCakes118.exe

--7c1cc5e9

C:\Windows\SysWOW64\coffeesspi.exe

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

C:\Windows\SysWOW64\coffeesspi.exe

--1a386257

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 74.208.125.192:443 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
DE 165.227.156.155:443 165.227.156.155 tcp
US 8.8.8.8:53 155.156.227.165.in-addr.arpa udp
US 104.239.175.211:8080 tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 67.225.179.64:8080 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
GB 31.172.240.91:8080 tcp
CO 179.12.170.148:8080 tcp
US 8.8.8.8:53 udp

Files

memory/1836-0-0x0000000000760000-0x0000000000773000-memory.dmp

memory/1836-5-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/1836-6-0x0000000000720000-0x000000000072E000-memory.dmp

memory/320-7-0x00000000001C0000-0x00000000001D3000-memory.dmp

memory/1804-18-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/320-19-0x0000000000400000-0x00000000004BA000-memory.dmp

C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\e067bc2560d38144183d820119c466a0_39fbc0df-d496-4ae0-b1d7-bde60e245d90

MD5 c6b4ed23b646d09be518590697d71aae
SHA1 cbcead300f943e7512750e9bd85af4d8df3eecea
SHA256 6c756bd7a9b936a087c0f1df8f46cc17de4698b2cec67e2a28bfe589bc656cb1
SHA512 24306f7480814a03901475af646a04df9d9f912201c51643d33584a808db928060a72ee634e5ee1649117c9f4c8605fea495aabba51111533d9f98fe265d6c9b

memory/4408-21-0x00000000007D0000-0x00000000007E3000-memory.dmp

memory/4408-26-0x0000000000400000-0x00000000004BA000-memory.dmp