Malware Analysis Report

2025-08-10 17:57

Sample ID 230215-t55jfscg64
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

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

Modifies data under HKEY_USERS

Suspicious use of UnmapMainImage

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-02-15 16:39

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-02-15 16:39

Reported

2023-02-15 16:39

Platform

win10v2004-20221111-en

Max time kernel

26s

Max time network

29s

Command Line

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

Signatures

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\gluesmall.exe

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

C:\Windows\SysWOW64\gluesmall.exe

--c5604b28

Network

Files

memory/4424-132-0x0000000002160000-0x0000000002171000-memory.dmp

memory/4424-133-0x0000000000400000-0x000000000042C000-memory.dmp

memory/3376-134-0x0000000000000000-mapping.dmp

memory/4424-135-0x0000000002160000-0x0000000002171000-memory.dmp

memory/4424-136-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3376-137-0x0000000000400000-0x000000000042C000-memory.dmp

memory/116-138-0x0000000000000000-mapping.dmp

memory/3376-139-0x0000000000400000-0x0000000000414000-memory.dmp

memory/116-140-0x0000000000400000-0x000000000042C000-memory.dmp

memory/116-141-0x0000000000400000-0x000000000042C000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-02-15 16:39

Reported

2023-02-15 16:42

Platform

win7-20221111-en

Max time kernel

158s

Max time network

164s

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\redistbit.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\52-de-de-26-22-3d\WpadDecisionReason = "1" C:\Windows\SysWOW64\redistbit.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-de-de-26-22-3d\WpadDecision = "0" C:\Windows\SysWOW64\redistbit.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\redistbit.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\redistbit.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\redistbit.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2AE254A0-F732-484A-97FB-E0C90807DC4B}\WpadDecisionReason = "1" C:\Windows\SysWOW64\redistbit.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2AE254A0-F732-484A-97FB-E0C90807DC4B}\WpadDecision = "0" C:\Windows\SysWOW64\redistbit.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2AE254A0-F732-484A-97FB-E0C90807DC4B}\WpadNetworkName = "Network 2" C:\Windows\SysWOW64\redistbit.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\redistbit.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\redistbit.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\redistbit.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\redistbit.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\redistbit.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0048000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\redistbit.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2AE254A0-F732-484A-97FB-E0C90807DC4B} C:\Windows\SysWOW64\redistbit.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\redistbit.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\redistbit.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2AE254A0-F732-484A-97FB-E0C90807DC4B}\WpadDecisionTime = 80d47c8a6441d901 C:\Windows\SysWOW64\redistbit.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-de-de-26-22-3d C:\Windows\SysWOW64\redistbit.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2AE254A0-F732-484A-97FB-E0C90807DC4B}\52-de-de-26-22-3d C:\Windows\SysWOW64\redistbit.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-de-de-26-22-3d\WpadDecisionTime = 80d47c8a6441d901 C:\Windows\SysWOW64\redistbit.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\redistbit.exe N/A
N/A N/A C:\Windows\SysWOW64\redistbit.exe N/A
N/A N/A C:\Windows\SysWOW64\redistbit.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 1104 wrote to memory of 2036 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 1104 wrote to memory of 2036 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 1104 wrote to memory of 2036 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 1104 wrote to memory of 2036 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 1104 wrote to memory of 2036 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 1104 wrote to memory of 2036 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 1104 wrote to memory of 2036 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 564 wrote to memory of 1456 N/A C:\Windows\SysWOW64\redistbit.exe C:\Windows\SysWOW64\redistbit.exe
PID 564 wrote to memory of 1456 N/A C:\Windows\SysWOW64\redistbit.exe C:\Windows\SysWOW64\redistbit.exe
PID 564 wrote to memory of 1456 N/A C:\Windows\SysWOW64\redistbit.exe C:\Windows\SysWOW64\redistbit.exe
PID 564 wrote to memory of 1456 N/A C:\Windows\SysWOW64\redistbit.exe C:\Windows\SysWOW64\redistbit.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\redistbit.exe

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

C:\Windows\SysWOW64\redistbit.exe

--5132896a

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
KR 222.104.222.145:443 tcp

Files

memory/1104-54-0x0000000075631000-0x0000000075633000-memory.dmp

memory/2036-55-0x0000000000000000-mapping.dmp

memory/1104-56-0x0000000000230000-0x000000000023D000-memory.dmp

memory/1104-58-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2036-59-0x0000000000430000-0x0000000000441000-memory.dmp

memory/2036-60-0x0000000000400000-0x000000000042C000-memory.dmp

memory/1456-61-0x0000000000000000-mapping.dmp

memory/564-62-0x00000000002E0000-0x00000000002F1000-memory.dmp

memory/2036-63-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1456-64-0x0000000000400000-0x000000000042C000-memory.dmp

memory/1456-66-0x0000000000400000-0x000000000042C000-memory.dmp