Malware Analysis Report

2024-10-18 21:19

Sample ID 240511-m6dnssde3v
Target 3444b2a35b74fb06edead1cffd4d7fd9_JaffaCakes118
SHA256 b78dd25ad989de2ae380ac8e42509cd2aa2c4e662e0c8c3fb488a9a20d3c537d
Tags
epoch2 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

b78dd25ad989de2ae380ac8e42509cd2aa2c4e662e0c8c3fb488a9a20d3c537d

Threat Level: Known bad

The file 3444b2a35b74fb06edead1cffd4d7fd9_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

epoch2 emotet banker trojan

Emotet family

Emotet

Unexpected DNS network traffic destination

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

Analysis: static1

Detonation Overview

Reported

2024-05-11 11:04

Signatures

Emotet family

emotet

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-11 11:04

Reported

2024-05-11 11:06

Platform

win7-20240221-en

Max time kernel

140s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3444b2a35b74fb06edead1cffd4d7fd9_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\intellayer.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\Wpad\fe-a3-50-a3-bf-31 C:\Windows\SysWOW64\intellayer.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\intellayer.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\intellayer.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\intellayer.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{84740C32-7556-44DF-993D-F05C7562AC87}\WpadDecision = "0" C:\Windows\SysWOW64\intellayer.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{84740C32-7556-44DF-993D-F05C7562AC87}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\intellayer.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{84740C32-7556-44DF-993D-F05C7562AC87}\fe-a3-50-a3-bf-31 C:\Windows\SysWOW64\intellayer.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-a3-50-a3-bf-31\WpadDecisionTime = 80e8d10793a3da01 C:\Windows\SysWOW64\intellayer.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\intellayer.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\intellayer.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{84740C32-7556-44DF-993D-F05C7562AC87}\WpadDecisionReason = "1" C:\Windows\SysWOW64\intellayer.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{84740C32-7556-44DF-993D-F05C7562AC87}\WpadDecisionTime = 80e8d10793a3da01 C:\Windows\SysWOW64\intellayer.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00ee000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\intellayer.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{84740C32-7556-44DF-993D-F05C7562AC87} C:\Windows\SysWOW64\intellayer.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\intellayer.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\intellayer.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\intellayer.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-a3-50-a3-bf-31\WpadDecisionReason = "1" C:\Windows\SysWOW64\intellayer.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-a3-50-a3-bf-31\WpadDecision = "0" C:\Windows\SysWOW64\intellayer.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\intellayer.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\intellayer.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3444b2a35b74fb06edead1cffd4d7fd9_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3444b2a35b74fb06edead1cffd4d7fd9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3444b2a35b74fb06edead1cffd4d7fd9_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\3444b2a35b74fb06edead1cffd4d7fd9_JaffaCakes118.exe

--98dd4e58

C:\Windows\SysWOW64\intellayer.exe

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

C:\Windows\SysWOW64\intellayer.exe

--e9d8146d

Network

Country Destination Domain Proto
CO 179.12.170.88:8080 tcp
CO 179.12.170.88:8080 tcp
IN 182.76.6.2:8080 tcp
IN 182.76.6.2:8080 tcp
AR 201.250.11.236:50000 tcp
AR 201.250.11.236:50000 tcp

Files

memory/2100-0-0x0000000000400000-0x0000000000419000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-11 11:04

Reported

2024-05-11 11:06

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3444b2a35b74fb06edead1cffd4d7fd9_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Unexpected DNS network traffic destination

Description Indicator Process Target
Destination IP 86.98.25.30 N/A N/A

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3444b2a35b74fb06edead1cffd4d7fd9_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3444b2a35b74fb06edead1cffd4d7fd9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3444b2a35b74fb06edead1cffd4d7fd9_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\3444b2a35b74fb06edead1cffd4d7fd9_JaffaCakes118.exe

--98dd4e58

C:\Windows\SysWOW64\mailreadand.exe

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

C:\Windows\SysWOW64\mailreadand.exe

--6d207020

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
NL 23.62.61.104:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 104.61.62.23.in-addr.arpa udp
CO 179.12.170.88:8080 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
IN 182.76.6.2:8080 tcp
US 8.8.8.8:53 99.58.20.217.in-addr.arpa udp
AR 201.250.11.236:50000 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
AE 86.98.25.30:53 tcp
US 198.199.88.162:8080 tcp
US 8.8.8.8:53 175.117.168.52.in-addr.arpa udp

Files

memory/2960-0-0x0000000000400000-0x0000000000419000-memory.dmp