Malware Analysis Report

2024-09-22 22:39

Sample ID 240606-brszdsdf3y
Target unknown.ex1.exe
SHA256 47dba610a04ef1d7f18a795108cf9e62d2d6e9e22f0fba51143462f4d569a70d
Tags
emotet epoch1 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

47dba610a04ef1d7f18a795108cf9e62d2d6e9e22f0fba51143462f4d569a70d

Threat Level: Known bad

The file unknown.ex1.exe was found to be: Known bad.

Malicious Activity Summary

emotet epoch1 banker trojan

Emotet family

Emotet

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Modifies data under HKEY_USERS

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-06 01:23

Signatures

Emotet family

emotet

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-06 01:23

Reported

2024-06-06 01:25

Platform

win7-20240221-en

Max time kernel

143s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\unknown.ex1.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\asptlbnetwork.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\7e-43-c9-72-9c-36 C:\Windows\SysWOW64\asptlbnetwork.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69413D1D-559D-46FA-B8ED-7AE5A5DAC19E}\7e-43-c9-72-9c-36 C:\Windows\SysWOW64\asptlbnetwork.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\asptlbnetwork.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69413D1D-559D-46FA-B8ED-7AE5A5DAC19E}\WpadDecisionTime = e0620c26b0b7da01 C:\Windows\SysWOW64\asptlbnetwork.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69413D1D-559D-46FA-B8ED-7AE5A5DAC19E}\WpadDecision = "0" C:\Windows\SysWOW64\asptlbnetwork.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f011d000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\asptlbnetwork.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-43-c9-72-9c-36\WpadDecision = "0" C:\Windows\SysWOW64\asptlbnetwork.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\asptlbnetwork.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\asptlbnetwork.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\asptlbnetwork.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-43-c9-72-9c-36\WpadDecisionTime = e0620c26b0b7da01 C:\Windows\SysWOW64\asptlbnetwork.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\asptlbnetwork.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69413D1D-559D-46FA-B8ED-7AE5A5DAC19E} C:\Windows\SysWOW64\asptlbnetwork.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69413D1D-559D-46FA-B8ED-7AE5A5DAC19E}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\asptlbnetwork.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\asptlbnetwork.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\asptlbnetwork.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69413D1D-559D-46FA-B8ED-7AE5A5DAC19E}\WpadDecisionReason = "1" C:\Windows\SysWOW64\asptlbnetwork.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-43-c9-72-9c-36\WpadDecisionReason = "1" C:\Windows\SysWOW64\asptlbnetwork.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\asptlbnetwork.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\asptlbnetwork.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\asptlbnetwork.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\unknown.ex1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\unknown.ex1.exe

"C:\Users\Admin\AppData\Local\Temp\unknown.ex1.exe"

C:\Users\Admin\AppData\Local\Temp\unknown.ex1.exe

--5eebe51e

C:\Windows\SysWOW64\asptlbnetwork.exe

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

C:\Windows\SysWOW64\asptlbnetwork.exe

--b3e1bf58

Network

Country Destination Domain Proto
MX 187.188.166.192:80 tcp
MX 187.188.166.192:80 tcp
MY 42.190.4.92:443 tcp
MY 42.190.4.92:443 tcp
US 170.130.31.177:8080 tcp
US 170.130.31.177:8080 tcp

Files

memory/2588-0-0x0000000001190000-0x00000000011A7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-06 01:23

Reported

2024-06-06 01:25

Platform

win10v2004-20240508-en

Max time kernel

138s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\unknown.ex1.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\builderscalar.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\builderscalar.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\builderscalar.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\builderscalar.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\builderscalar.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\builderscalar.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\builderscalar.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\unknown.ex1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\unknown.ex1.exe

"C:\Users\Admin\AppData\Local\Temp\unknown.ex1.exe"

C:\Users\Admin\AppData\Local\Temp\unknown.ex1.exe

--5eebe51e

C:\Windows\SysWOW64\builderscalar.exe

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

C:\Windows\SysWOW64\builderscalar.exe

--3ce76add

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
BE 2.17.107.105:443 www.bing.com tcp
US 8.8.8.8:53 105.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
MX 187.188.166.192:80 tcp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
MY 42.190.4.92:443 tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 170.130.31.177:8080 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
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
FR 51.255.165.160:8080 tcp
US 45.56.79.249:443 45.56.79.249 tcp
US 8.8.8.8:53 249.79.56.45.in-addr.arpa udp
MY 60.52.64.122:80 tcp

Files

memory/4592-0-0x0000000000880000-0x0000000000897000-memory.dmp