Malware Analysis Report

2025-08-10 17:57

Sample ID 230213-f279aaba98
Target 2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe
SHA256 6d7aff70a84d9237bde3b149ff04532cafb29b6f358886b5038a737af5934d1f
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

6d7aff70a84d9237bde3b149ff04532cafb29b6f358886b5038a737af5934d1f

Threat Level: Known bad

The file 2019-05-01-Emotet-binary-updated-after-initial-infection-1-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 behavior: RenamesItself

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-02-13 05:23

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-02-13 05:23

Reported

2023-02-13 05:26

Platform

win7-20221111-en

Max time kernel

132s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-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\targetsredist.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\Connections C:\Windows\SysWOW64\targetsredist.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\targetsredist.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\targetsredist.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\targetsredist.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0046000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\targetsredist.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-11-61-01-ab-2e\WpadDecision = "0" C:\Windows\SysWOW64\targetsredist.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\targetsredist.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\targetsredist.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\targetsredist.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B9816B66-E87A-44A3-8422-ACB6B4AC00EF}\WpadDecisionReason = "1" C:\Windows\SysWOW64\targetsredist.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B9816B66-E87A-44A3-8422-ACB6B4AC00EF}\WpadNetworkName = "Network 2" C:\Windows\SysWOW64\targetsredist.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B9816B66-E87A-44A3-8422-ACB6B4AC00EF}\c2-11-61-01-ab-2e C:\Windows\SysWOW64\targetsredist.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\targetsredist.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B9816B66-E87A-44A3-8422-ACB6B4AC00EF}\WpadDecisionTime = c0f4a5c1733fd901 C:\Windows\SysWOW64\targetsredist.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-11-61-01-ab-2e C:\Windows\SysWOW64\targetsredist.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-11-61-01-ab-2e\WpadDecisionTime = c0f4a5c1733fd901 C:\Windows\SysWOW64\targetsredist.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\targetsredist.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\targetsredist.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B9816B66-E87A-44A3-8422-ACB6B4AC00EF} C:\Windows\SysWOW64\targetsredist.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B9816B66-E87A-44A3-8422-ACB6B4AC00EF}\WpadDecision = "0" C:\Windows\SysWOW64\targetsredist.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-11-61-01-ab-2e\WpadDecisionReason = "1" C:\Windows\SysWOW64\targetsredist.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\targetsredist.exe N/A
N/A N/A C:\Windows\SysWOW64\targetsredist.exe N/A
N/A N/A C:\Windows\SysWOW64\targetsredist.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-1-of-2.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2040 wrote to memory of 1372 N/A C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe
PID 2040 wrote to memory of 1372 N/A C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe
PID 2040 wrote to memory of 1372 N/A C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe
PID 2040 wrote to memory of 1372 N/A C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe
PID 2040 wrote to memory of 1372 N/A C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe
PID 2040 wrote to memory of 1372 N/A C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe
PID 2040 wrote to memory of 1372 N/A C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe
PID 1232 wrote to memory of 468 N/A C:\Windows\SysWOW64\targetsredist.exe C:\Windows\SysWOW64\targetsredist.exe
PID 1232 wrote to memory of 468 N/A C:\Windows\SysWOW64\targetsredist.exe C:\Windows\SysWOW64\targetsredist.exe
PID 1232 wrote to memory of 468 N/A C:\Windows\SysWOW64\targetsredist.exe C:\Windows\SysWOW64\targetsredist.exe
PID 1232 wrote to memory of 468 N/A C:\Windows\SysWOW64\targetsredist.exe C:\Windows\SysWOW64\targetsredist.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe

"C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe"

C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe

--a1bda328

C:\Windows\SysWOW64\targetsredist.exe

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

C:\Windows\SysWOW64\targetsredist.exe

--c2c093f1

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/2040-54-0x0000000076041000-0x0000000076043000-memory.dmp

memory/1372-55-0x0000000000000000-mapping.dmp

memory/2040-56-0x00000000003B0000-0x00000000003BD000-memory.dmp

memory/2040-58-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1372-59-0x0000000000230000-0x000000000025C000-memory.dmp

memory/1372-60-0x0000000000400000-0x000000000042C000-memory.dmp

memory/1232-61-0x00000000002E0000-0x00000000002F1000-memory.dmp

memory/468-62-0x0000000000000000-mapping.dmp

memory/1232-63-0x00000000002E0000-0x00000000002F1000-memory.dmp

memory/1372-64-0x0000000000400000-0x0000000000414000-memory.dmp

memory/468-65-0x0000000000400000-0x000000000042C000-memory.dmp

memory/468-67-0x0000000000400000-0x000000000042C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-02-13 05:23

Reported

2023-02-13 05:25

Platform

win10v2004-20221111-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-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\niswrap.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\niswrap.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\niswrap.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\niswrap.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\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\niswrap.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\niswrap.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\niswrap.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-1-of-2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe

"C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe"

C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-1-of-2.exe

--a1bda328

C:\Windows\SysWOW64\niswrap.exe

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

C:\Windows\SysWOW64\niswrap.exe

--d1f60f8

Network

Country Destination Domain Proto
US 67.27.153.254:80 tcp
BO 200.58.171.51:80 tcp
NL 104.80.225.205:443 tcp
US 67.27.153.254:80 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/4804-132-0x00000000005B0000-0x00000000005C1000-memory.dmp

memory/4804-133-0x0000000000400000-0x000000000042C000-memory.dmp

memory/4768-134-0x0000000000000000-mapping.dmp

memory/4804-135-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4768-136-0x0000000000400000-0x000000000042C000-memory.dmp

memory/3932-137-0x0000000000570000-0x0000000000581000-memory.dmp

memory/1076-138-0x0000000000000000-mapping.dmp

memory/4768-139-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1076-140-0x0000000000400000-0x000000000042C000-memory.dmp

memory/1076-141-0x0000000000400000-0x000000000042C000-memory.dmp