Malware Analysis Report

2025-01-03 05:48

Sample ID 240505-yz9y7scg2y
Target 191da1ffda4d4e2bde32fa94544208bd_JaffaCakes118
SHA256 eb135d0764932501b0122620e2b7a7ca5b56786d1a937871372ae989609cc3f8
Tags
emotet epoch1 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

eb135d0764932501b0122620e2b7a7ca5b56786d1a937871372ae989609cc3f8

Threat Level: Known bad

The file 191da1ffda4d4e2bde32fa94544208bd_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch1 banker trojan

Emotet

Drops file in System32 directory

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-05 20:14

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-05 20:14

Reported

2024-05-05 20:17

Platform

win7-20240221-en

Max time kernel

143s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\191da1ffda4d4e2bde32fa94544208bd_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\medialanes.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\medialanes.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\medialanes.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8A022E48-48EE-4A71-A9C9-AE8CC255899E}\WpadDecisionReason = "1" C:\Windows\SysWOW64\medialanes.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8A022E48-48EE-4A71-A9C9-AE8CC255899E}\WpadDecisionTime = 10b3bbeb289fda01 C:\Windows\SysWOW64\medialanes.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8A022E48-48EE-4A71-A9C9-AE8CC255899E}\26-ce-c5-89-bf-1d C:\Windows\SysWOW64\medialanes.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-ce-c5-89-bf-1d\WpadDecisionReason = "1" C:\Windows\SysWOW64\medialanes.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-ce-c5-89-bf-1d\WpadDecisionTime = 10b3bbeb289fda01 C:\Windows\SysWOW64\medialanes.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-ce-c5-89-bf-1d\WpadDecision = "0" C:\Windows\SysWOW64\medialanes.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\medialanes.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\medialanes.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00e7000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\medialanes.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8A022E48-48EE-4A71-A9C9-AE8CC255899E}\WpadDecision = "0" C:\Windows\SysWOW64\medialanes.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\medialanes.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\medialanes.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8A022E48-48EE-4A71-A9C9-AE8CC255899E} C:\Windows\SysWOW64\medialanes.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-ce-c5-89-bf-1d C:\Windows\SysWOW64\medialanes.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8A022E48-48EE-4A71-A9C9-AE8CC255899E}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\medialanes.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\medialanes.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\medialanes.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\medialanes.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\medialanes.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\191da1ffda4d4e2bde32fa94544208bd_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\191da1ffda4d4e2bde32fa94544208bd_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\191da1ffda4d4e2bde32fa94544208bd_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\191da1ffda4d4e2bde32fa94544208bd_JaffaCakes118.exe

--ff4cf1a2

C:\Windows\SysWOW64\medialanes.exe

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

C:\Windows\SysWOW64\medialanes.exe

--bd136d35

Network

Country Destination Domain Proto
MX 187.162.62.135:80 tcp
MX 187.162.62.135:80 tcp
AR 181.231.72.200:80 tcp
AR 181.231.72.200:80 tcp
US 45.55.83.204:8080 tcp
US 45.55.83.204:8080 tcp

Files

memory/2400-0-0x0000000000250000-0x0000000000260000-memory.dmp

memory/2400-2-0x0000000000250000-0x0000000000260000-memory.dmp

memory/2400-3-0x0000000000400000-0x0000000000415000-memory.dmp

memory/1672-4-0x0000000000400000-0x0000000000415000-memory.dmp

memory/3032-5-0x0000000000400000-0x0000000000442000-memory.dmp

memory/1672-8-0x0000000000400000-0x0000000000415000-memory.dmp

memory/2612-9-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2612-10-0x0000000000400000-0x0000000000415000-memory.dmp

memory/2612-11-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2612-12-0x0000000000400000-0x0000000000415000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-05 20:14

Reported

2024-05-05 20:17

Platform

win10v2004-20240419-en

Max time kernel

143s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\191da1ffda4d4e2bde32fa94544208bd_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\eventspriv.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 C:\Windows\SysWOW64\eventspriv.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\eventspriv.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\eventspriv.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\eventspriv.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\eventspriv.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\eventspriv.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\191da1ffda4d4e2bde32fa94544208bd_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\191da1ffda4d4e2bde32fa94544208bd_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\191da1ffda4d4e2bde32fa94544208bd_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\191da1ffda4d4e2bde32fa94544208bd_JaffaCakes118.exe

--ff4cf1a2

C:\Windows\SysWOW64\eventspriv.exe

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

C:\Windows\SysWOW64\eventspriv.exe

--c684397a

Network

Country Destination Domain Proto
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
MX 187.162.62.135:80 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
US 8.8.8.8:53 101.58.20.217.in-addr.arpa udp
AR 181.231.72.200:80 tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 25.43.201.23.in-addr.arpa udp
US 45.55.83.204:8080 tcp
US 104.236.217.164:8080 tcp
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
SG 128.199.78.227:8080 tcp
DE 46.101.123.139:8080 46.101.123.139 tcp
US 8.8.8.8:53 139.123.101.46.in-addr.arpa udp
DE 185.94.252.27:443 tcp

Files

memory/616-0-0x00000000004D0000-0x00000000004E0000-memory.dmp

memory/616-4-0x0000000000400000-0x0000000000415000-memory.dmp

memory/616-3-0x00000000004D0000-0x00000000004E0000-memory.dmp

memory/908-5-0x0000000000400000-0x0000000000415000-memory.dmp

memory/3000-6-0x0000000000400000-0x0000000000442000-memory.dmp

memory/3000-8-0x0000000000400000-0x0000000000442000-memory.dmp

memory/908-9-0x0000000000400000-0x0000000000415000-memory.dmp

memory/4528-11-0x0000000000400000-0x0000000000442000-memory.dmp

memory/4528-12-0x0000000000400000-0x0000000000442000-memory.dmp

memory/4528-14-0x0000000000400000-0x0000000000442000-memory.dmp

memory/4528-15-0x0000000000400000-0x0000000000442000-memory.dmp