Malware Analysis Report

2025-01-03 05:59

Sample ID 240308-pxrv6sfb76
Target bb49d3fbd4cb3fdc2bb2256463275826
SHA256 65c97fcbc4483c7dbd4692342ce8c7089573603677f917e40b45cea43a30abab
Tags
emotet epoch3 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

65c97fcbc4483c7dbd4692342ce8c7089573603677f917e40b45cea43a30abab

Threat Level: Known bad

The file bb49d3fbd4cb3fdc2bb2256463275826 was found to be: Known bad.

Malicious Activity Summary

emotet epoch3 banker trojan

Emotet

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Modifies data under HKEY_USERS

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-08 12:42

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-08 12:42

Reported

2024-03-08 12:45

Platform

win7-20240221-en

Max time kernel

135s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bb49d3fbd4cb3fdc2bb2256463275826.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\sestargets.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 C:\Windows\SysWOW64\sestargets.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0085000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\sestargets.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D7D33897-E920-4B4C-BF10-C6A364CD478E}\WpadDecisionReason = "1" C:\Windows\SysWOW64\sestargets.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D7D33897-E920-4B4C-BF10-C6A364CD478E}\WpadDecision = "0" C:\Windows\SysWOW64\sestargets.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\82-f1-3d-f4-cb-9d\WpadDecision = "0" C:\Windows\SysWOW64\sestargets.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\sestargets.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\sestargets.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\sestargets.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D7D33897-E920-4B4C-BF10-C6A364CD478E} C:\Windows\SysWOW64\sestargets.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D7D33897-E920-4B4C-BF10-C6A364CD478E}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\sestargets.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\82-f1-3d-f4-cb-9d\WpadDecisionTime = f051233d5671da01 C:\Windows\SysWOW64\sestargets.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\sestargets.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\sestargets.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\sestargets.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\82-f1-3d-f4-cb-9d\WpadDecisionReason = "1" C:\Windows\SysWOW64\sestargets.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\sestargets.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D7D33897-E920-4B4C-BF10-C6A364CD478E}\WpadDecisionTime = f051233d5671da01 C:\Windows\SysWOW64\sestargets.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\82-f1-3d-f4-cb-9d C:\Windows\SysWOW64\sestargets.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\sestargets.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\sestargets.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D7D33897-E920-4B4C-BF10-C6A364CD478E}\82-f1-3d-f4-cb-9d C:\Windows\SysWOW64\sestargets.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bb49d3fbd4cb3fdc2bb2256463275826.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bb49d3fbd4cb3fdc2bb2256463275826.exe

"C:\Users\Admin\AppData\Local\Temp\bb49d3fbd4cb3fdc2bb2256463275826.exe"

C:\Users\Admin\AppData\Local\Temp\bb49d3fbd4cb3fdc2bb2256463275826.exe

--a40aa9df

C:\Windows\SysWOW64\sestargets.exe

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

C:\Windows\SysWOW64\sestargets.exe

--235e9d13

Network

Country Destination Domain Proto
AR 152.169.31.120:8080 tcp
AR 152.169.31.120:8080 tcp
TW 211.20.154.102:80 tcp
TW 211.20.154.102:80 tcp
US 45.55.179.121:8080 tcp

Files

memory/2648-0-0x0000000001E50000-0x0000000001E74000-memory.dmp

memory/2648-3-0x0000000001E20000-0x0000000001E43000-memory.dmp

memory/3008-7-0x0000000001EB0000-0x0000000001ED4000-memory.dmp

memory/2568-13-0x0000000000A00000-0x0000000000A24000-memory.dmp

memory/2368-19-0x0000000000540000-0x0000000000564000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-08 12:42

Reported

2024-03-08 12:45

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bb49d3fbd4cb3fdc2bb2256463275826.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\sidebarwmp.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\sidebarwmp.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\sidebarwmp.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\sidebarwmp.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\sidebarwmp.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\sidebarwmp.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\sidebarwmp.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bb49d3fbd4cb3fdc2bb2256463275826.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bb49d3fbd4cb3fdc2bb2256463275826.exe

"C:\Users\Admin\AppData\Local\Temp\bb49d3fbd4cb3fdc2bb2256463275826.exe"

C:\Users\Admin\AppData\Local\Temp\bb49d3fbd4cb3fdc2bb2256463275826.exe

--a40aa9df

C:\Windows\SysWOW64\sidebarwmp.exe

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

C:\Windows\SysWOW64\sidebarwmp.exe

--e45a3410

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 17.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 209.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 100.5.17.2.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
AR 152.169.31.120:8080 tcp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 179.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 72.135.221.88.in-addr.arpa udp
TW 211.20.154.102:80 tcp
US 8.8.8.8:53 201.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 45.19.74.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 181.178.17.96.in-addr.arpa udp
US 45.55.179.121:8080 tcp
US 8.8.8.8:53 11.227.111.52.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 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
NL 198.211.121.27:8080 tcp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 193.178.17.96.in-addr.arpa udp
GB 82.145.43.153:8080 tcp
GB 96.17.178.193:80 tcp

Files

memory/4964-0-0x0000000002430000-0x0000000002454000-memory.dmp

memory/4964-3-0x0000000002400000-0x0000000002423000-memory.dmp

memory/1972-7-0x0000000002420000-0x0000000002444000-memory.dmp

memory/4992-13-0x0000000001690000-0x00000000016B4000-memory.dmp

memory/4556-19-0x00000000016D0000-0x00000000016F4000-memory.dmp