Malware Analysis Report

2025-08-10 17:57

Sample ID 230214-26sv2sgc9w
Target 2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
SHA256 486ede4ecff9a951261af3d267072bf75a37e7812afd91dc4c30bf5535dede8b
Tags
emotet banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

486ede4ecff9a951261af3d267072bf75a37e7812afd91dc4c30bf5535dede8b

Threat Level: Known bad

The file 2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe was found to be: Known bad.

Malicious Activity Summary

emotet banker trojan

Emotet

Drops file in System32 directory

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

Suspicious behavior: RenamesItself

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-02-14 23:12

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-02-14 23:12

Reported

2023-02-14 23:14

Platform

win7-20221111-en

Max time kernel

133s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.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\relatedrep.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\{09B90CF1-8CF7-4721-9B69-FB5AECBC651D}\8a-41-91-6f-fe-8e C:\Windows\SysWOW64\relatedrep.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\relatedrep.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09B90CF1-8CF7-4721-9B69-FB5AECBC651D} C:\Windows\SysWOW64\relatedrep.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09B90CF1-8CF7-4721-9B69-FB5AECBC651D}\WpadNetworkName = "Network 2" C:\Windows\SysWOW64\relatedrep.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-41-91-6f-fe-8e\WpadDecisionTime = 50a68937d240d901 C:\Windows\SysWOW64\relatedrep.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\relatedrep.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09B90CF1-8CF7-4721-9B69-FB5AECBC651D}\WpadDecision = "0" C:\Windows\SysWOW64\relatedrep.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-41-91-6f-fe-8e C:\Windows\SysWOW64\relatedrep.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-41-91-6f-fe-8e\WpadDecisionReason = "1" C:\Windows\SysWOW64\relatedrep.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-41-91-6f-fe-8e\WpadDecision = "0" C:\Windows\SysWOW64\relatedrep.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\relatedrep.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\relatedrep.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09B90CF1-8CF7-4721-9B69-FB5AECBC651D}\WpadDecisionTime = 50a68937d240d901 C:\Windows\SysWOW64\relatedrep.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\relatedrep.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\relatedrep.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\relatedrep.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0033000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\relatedrep.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09B90CF1-8CF7-4721-9B69-FB5AECBC651D}\WpadDecisionReason = "1" C:\Windows\SysWOW64\relatedrep.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\relatedrep.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\relatedrep.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\relatedrep.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 948 wrote to memory of 956 N/A C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
PID 948 wrote to memory of 956 N/A C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
PID 948 wrote to memory of 956 N/A C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
PID 948 wrote to memory of 956 N/A C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
PID 948 wrote to memory of 956 N/A C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
PID 948 wrote to memory of 956 N/A C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
PID 948 wrote to memory of 956 N/A C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
PID 520 wrote to memory of 556 N/A C:\Windows\SysWOW64\relatedrep.exe C:\Windows\SysWOW64\relatedrep.exe
PID 520 wrote to memory of 556 N/A C:\Windows\SysWOW64\relatedrep.exe C:\Windows\SysWOW64\relatedrep.exe
PID 520 wrote to memory of 556 N/A C:\Windows\SysWOW64\relatedrep.exe C:\Windows\SysWOW64\relatedrep.exe
PID 520 wrote to memory of 556 N/A C:\Windows\SysWOW64\relatedrep.exe C:\Windows\SysWOW64\relatedrep.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe

"C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe"

C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe

--53146567

C:\Windows\SysWOW64\relatedrep.exe

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

C:\Windows\SysWOW64\relatedrep.exe

--7823244

Network

Country Destination Domain Proto
BO 200.58.171.51:80 tcp
BO 200.58.171.51:80 tcp
MX 189.196.140.187:80 tcp
MX 189.196.140.187:80 tcp
KR 222.104.222.145:443 tcp

Files

memory/948-54-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

memory/956-55-0x0000000000000000-mapping.dmp

memory/948-56-0x0000000000260000-0x0000000000271000-memory.dmp

memory/948-58-0x0000000000400000-0x0000000000414000-memory.dmp

memory/956-59-0x0000000000230000-0x0000000000259000-memory.dmp

memory/956-60-0x0000000000400000-0x0000000000429000-memory.dmp

memory/956-63-0x0000000000230000-0x000000000023D000-memory.dmp

memory/556-62-0x0000000000000000-mapping.dmp

memory/956-64-0x0000000000400000-0x0000000000414000-memory.dmp

memory/556-66-0x0000000000400000-0x0000000000429000-memory.dmp

memory/556-67-0x0000000000400000-0x0000000000429000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-02-14 23:12

Reported

2023-02-14 23:14

Platform

win10v2004-20221111-en

Max time kernel

133s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.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\xianstarta.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\xianstarta.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\xianstarta.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\xianstarta.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\xianstarta.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\xianstarta.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\xianstarta.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe

"C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe"

C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe

--53146567

C:\Windows\SysWOW64\xianstarta.exe

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

C:\Windows\SysWOW64\xianstarta.exe

--a3ed074f

Network

Country Destination Domain Proto
BO 200.58.171.51:80 tcp
US 13.89.179.9:443 tcp
NL 96.16.53.148:80 tcp
NL 96.16.53.148:80 tcp
NL 96.16.53.148:80 tcp
NL 104.80.225.205:443 tcp
MX 189.196.140.187:80 tcp
KR 222.104.222.145:443 tcp
MY 115.132.227.247:443 tcp
CO 190.85.206.228:80 tcp

Files

memory/1316-132-0x0000000000000000-mapping.dmp

memory/4488-133-0x0000000002170000-0x0000000002181000-memory.dmp

memory/4488-134-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1316-135-0x00000000004A0000-0x00000000004B1000-memory.dmp

memory/1316-136-0x0000000000400000-0x0000000000429000-memory.dmp

memory/3300-137-0x0000000000000000-mapping.dmp

memory/1316-138-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3300-139-0x0000000000400000-0x0000000000429000-memory.dmp

memory/3300-140-0x0000000000400000-0x0000000000429000-memory.dmp