Malware Analysis Report

2025-01-03 06:24

Sample ID 240402-mm98nafg25
Target 7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.zip
SHA256 5638c67a0d982912e24034cf07db35b31bf90faab98f7f833dbc4417a87fe9e4
Tags
emotet epoch2 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

5638c67a0d982912e24034cf07db35b31bf90faab98f7f833dbc4417a87fe9e4

Threat Level: Known bad

The file 7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.zip 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

Modifies data under HKEY_USERS

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-02 10:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-02 10:36

Reported

2024-04-02 10:40

Platform

win7-20240221-en

Max time kernel

174s

Max time network

192s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.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\nopbackup.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-0d-0c-00-13-27\WpadDecision = "0" C:\Windows\SysWOW64\nopbackup.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\nopbackup.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\nopbackup.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\nopbackup.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\nopbackup.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\nopbackup.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3C81EDFC-808A-4AB0-9783-F18EBB1CF99C}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\nopbackup.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-0d-0c-00-13-27 C:\Windows\SysWOW64\nopbackup.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-0d-0c-00-13-27\WpadDecisionTime = f0e9e7dee984da01 C:\Windows\SysWOW64\nopbackup.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\nopbackup.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b7000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\nopbackup.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3C81EDFC-808A-4AB0-9783-F18EBB1CF99C} C:\Windows\SysWOW64\nopbackup.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3C81EDFC-808A-4AB0-9783-F18EBB1CF99C}\WpadDecisionReason = "1" C:\Windows\SysWOW64\nopbackup.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3C81EDFC-808A-4AB0-9783-F18EBB1CF99C}\WpadDecisionTime = f0e9e7dee984da01 C:\Windows\SysWOW64\nopbackup.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\nopbackup.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\nopbackup.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\nopbackup.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3C81EDFC-808A-4AB0-9783-F18EBB1CF99C}\WpadDecision = "0" C:\Windows\SysWOW64\nopbackup.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\nopbackup.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3C81EDFC-808A-4AB0-9783-F18EBB1CF99C}\0a-0d-0c-00-13-27 C:\Windows\SysWOW64\nopbackup.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-0d-0c-00-13-27\WpadDecisionReason = "1" C:\Windows\SysWOW64\nopbackup.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.exe

"C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.exe"

C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.exe

--98a75cc4

C:\Windows\SysWOW64\nopbackup.exe

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

C:\Windows\SysWOW64\nopbackup.exe

--6dd96ee7

Network

Country Destination Domain Proto
PA 186.75.241.230:80 tcp
PA 186.75.241.230:80 tcp
CO 181.143.194.138:443 tcp
CO 181.143.194.138:443 tcp
TR 85.104.59.244:20 tcp
TR 85.104.59.244:20 tcp

Files

memory/2504-0-0x0000000000250000-0x0000000000264000-memory.dmp

memory/2504-1-0x0000000000240000-0x000000000024F000-memory.dmp

memory/2356-6-0x0000000000240000-0x0000000000254000-memory.dmp

memory/2856-11-0x00000000006A0000-0x00000000006B4000-memory.dmp

memory/2892-16-0x00000000001D0000-0x00000000001E4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-02 10:36

Reported

2024-04-02 10:39

Platform

win10v2004-20240226-en

Max time kernel

148s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.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\choreplay.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\choreplay.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\choreplay.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\choreplay.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\choreplay.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\choreplay.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\choreplay.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.exe

"C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.exe"

C:\Users\Admin\AppData\Local\Temp\7bdd1409b080eb8510163cea3761d694be0eaec7e22bc44736cbfbc3025a310b.exe

--98a75cc4

C:\Windows\SysWOW64\choreplay.exe

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

C:\Windows\SysWOW64\choreplay.exe

--9622e67

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
PA 186.75.241.230:80 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 9.66.18.2.in-addr.arpa udp
CO 181.143.194.138:443 tcp
US 8.8.8.8:53 218.110.86.104.in-addr.arpa udp
TR 85.104.59.244:20 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
FR 80.11.163.139:443 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
NL 167.71.10.37:8080 tcp
US 104.131.44.150:8080 tcp
US 8.8.8.8:53 215.143.182.52.in-addr.arpa udp
RU 185.187.198.15:80 tcp

Files

memory/4028-1-0x0000000000690000-0x000000000069F000-memory.dmp

memory/4028-0-0x00000000023E0000-0x00000000023F4000-memory.dmp

memory/4952-6-0x0000000002180000-0x0000000002194000-memory.dmp

memory/2260-11-0x0000000000E40000-0x0000000000E54000-memory.dmp

memory/3744-16-0x0000000000DA0000-0x0000000000DB4000-memory.dmp