Malware Analysis Report

2025-01-03 05:37

Sample ID 240715-cbdefasfml
Target 47baa0bde6b4453d63fca16a12f9d244_JaffaCakes118
SHA256 b3a84f6fad419ef5734cf588f5721d46dafee31efa38ecb8fe60b703d5e5c058
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

b3a84f6fad419ef5734cf588f5721d46dafee31efa38ecb8fe60b703d5e5c058

Threat Level: Known bad

The file 47baa0bde6b4453d63fca16a12f9d244_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet banker trojan

Emotet

Drops file in System32 directory

Enumerates physical storage devices

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-15 01:53

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-15 01:53

Reported

2024-07-15 01:56

Platform

win7-20240708-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\47baa0bde6b4453d63fca16a12f9d244_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\guidspolic.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\Connections C:\Windows\SysWOW64\guidspolic.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\guidspolic.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b6000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\guidspolic.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\guidspolic.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\guidspolic.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\guidspolic.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8E7CC722-C7FF-4312-808E-95646135DFC9} C:\Windows\SysWOW64\guidspolic.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8E7CC722-C7FF-4312-808E-95646135DFC9}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\guidspolic.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d2-10-1f-df-d1-aa\WpadDecisionReason = "1" C:\Windows\SysWOW64\guidspolic.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\guidspolic.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\guidspolic.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\guidspolic.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d2-10-1f-df-d1-aa C:\Windows\SysWOW64\guidspolic.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d2-10-1f-df-d1-aa\WpadDecision = "0" C:\Windows\SysWOW64\guidspolic.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d2-10-1f-df-d1-aa\WpadDecisionTime = 602161e859d6da01 C:\Windows\SysWOW64\guidspolic.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\guidspolic.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\guidspolic.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8E7CC722-C7FF-4312-808E-95646135DFC9}\WpadDecisionReason = "1" C:\Windows\SysWOW64\guidspolic.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8E7CC722-C7FF-4312-808E-95646135DFC9}\WpadDecisionTime = 602161e859d6da01 C:\Windows\SysWOW64\guidspolic.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8E7CC722-C7FF-4312-808E-95646135DFC9}\WpadDecision = "0" C:\Windows\SysWOW64\guidspolic.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8E7CC722-C7FF-4312-808E-95646135DFC9}\d2-10-1f-df-d1-aa C:\Windows\SysWOW64\guidspolic.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\47baa0bde6b4453d63fca16a12f9d244_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\47baa0bde6b4453d63fca16a12f9d244_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\47baa0bde6b4453d63fca16a12f9d244_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\47baa0bde6b4453d63fca16a12f9d244_JaffaCakes118.exe

--6043288b

C:\Windows\SysWOW64\guidspolic.exe

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

C:\Windows\SysWOW64\guidspolic.exe

--343054cf

Network

Country Destination Domain Proto
DE 185.94.252.3:443 tcp
DE 185.94.252.3:443 tcp
DE 5.230.147.179:8080 tcp
DE 5.230.147.179:8080 tcp
US 64.13.225.150:8080 tcp
US 64.13.225.150:8080 tcp

Files

memory/1172-0-0x0000000000220000-0x000000000023B000-memory.dmp

memory/1172-3-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1172-2-0x0000000000220000-0x000000000023B000-memory.dmp

memory/2444-4-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1624-5-0x0000000000400000-0x000000000045C000-memory.dmp

memory/2444-7-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1712-8-0x0000000000400000-0x000000000045C000-memory.dmp

memory/1712-9-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1712-10-0x0000000000400000-0x000000000045C000-memory.dmp

memory/1712-11-0x0000000000400000-0x000000000041D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-15 01:53

Reported

2024-07-15 01:56

Platform

win10v2004-20240709-en

Max time kernel

135s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\47baa0bde6b4453d63fca16a12f9d244_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\replwcs.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\replwcs.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 C:\Windows\SysWOW64\replwcs.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\replwcs.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\replwcs.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\replwcs.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\replwcs.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\47baa0bde6b4453d63fca16a12f9d244_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\47baa0bde6b4453d63fca16a12f9d244_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\47baa0bde6b4453d63fca16a12f9d244_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\47baa0bde6b4453d63fca16a12f9d244_JaffaCakes118.exe

--6043288b

C:\Windows\SysWOW64\replwcs.exe

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

C:\Windows\SysWOW64\replwcs.exe

--8e0c38ce

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
DE 185.94.252.3:443 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
DE 5.230.147.179:8080 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 64.13.225.150:8080 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
AU 203.143.86.111:8080 tcp
JP 133.242.156.30:7080 tcp
US 208.78.100.202:8080 tcp

Files

memory/2400-0-0x00000000021A0000-0x00000000021BB000-memory.dmp

memory/2400-1-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2400-4-0x00000000021A0000-0x00000000021BB000-memory.dmp

memory/1900-5-0x0000000000400000-0x000000000045C000-memory.dmp

memory/1900-6-0x0000000000400000-0x000000000045C000-memory.dmp

memory/3560-7-0x0000000000400000-0x000000000045C000-memory.dmp

memory/3560-10-0x0000000000400000-0x000000000045C000-memory.dmp

memory/1900-11-0x0000000000400000-0x000000000041D000-memory.dmp

memory/872-13-0x0000000000400000-0x000000000045C000-memory.dmp

memory/872-14-0x0000000000400000-0x000000000045C000-memory.dmp

memory/872-16-0x0000000000400000-0x000000000045C000-memory.dmp

memory/872-17-0x0000000000400000-0x000000000045C000-memory.dmp