Malware Analysis Report

2025-08-10 13:10

Sample ID 241016-eym89swfmq
Target Swift Copy Of Pending payment.exe
SHA256 a461236694dd8f695abc0e9ca8df64dcce9c9d3ac081e624ab7275dca99d4a5b
Tags
collection discovery
score
7/10

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
7/10

SHA256

a461236694dd8f695abc0e9ca8df64dcce9c9d3ac081e624ab7275dca99d4a5b

Threat Level: Shows suspicious behavior

The file Swift Copy Of Pending payment.exe was found to be: Shows suspicious behavior.

Malicious Activity Summary

collection discovery

Drops startup file

Loads dropped DLL

Executes dropped EXE

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

AutoIT Executable

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Program crash

outlook_win_path

outlook_office_path

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-16 04:21

Signatures

AutoIT Executable

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-16 04:21

Reported

2024-10-16 04:23

Platform

win7-20240729-en

Max time kernel

119s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe"

Signatures

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Lymnaeidae.vbs C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe N/A

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe N/A

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.dyndns.org N/A N/A

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1196 set thread context of 2808 N/A C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious behavior: MapViewOfSection

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2436 wrote to memory of 1960 N/A C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe
PID 2436 wrote to memory of 1960 N/A C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe
PID 2436 wrote to memory of 1960 N/A C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe
PID 2436 wrote to memory of 1960 N/A C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe
PID 1960 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1960 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1960 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1960 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1960 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1960 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1960 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1960 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe
PID 1960 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe
PID 1960 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe
PID 1960 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe
PID 1196 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1196 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1196 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1196 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1196 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1196 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1196 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1196 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe

"C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe"

C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe

"C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

"C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe"

C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe

"C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

"C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 checkip.dyndns.org udp
US 193.122.130.0:80 checkip.dyndns.org tcp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 104.21.67.152:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp

Files

memory/2436-2-0x0000000003F00000-0x0000000004300000-memory.dmp

\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe

MD5 9b679868083e626372cfb2c14b41a1e7
SHA1 577dce2d101fbf4876b68ff6c3ad7ea4b165fa08
SHA256 a461236694dd8f695abc0e9ca8df64dcce9c9d3ac081e624ab7275dca99d4a5b
SHA512 61ea89bd7bd923c334c7730c9d10b8a65516c39fa78e0d59f65e43fb2112f2751649d28b47f5e9271e171809a7b7cd725edcd567ad671a1526fbaf80a1b31cfa

C:\Users\Admin\AppData\Local\Temp\flexuoseness

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/1960-12-0x0000000003D50000-0x0000000004150000-memory.dmp

memory/1196-18-0x0000000003D20000-0x0000000004120000-memory.dmp

memory/2808-19-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2808-21-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2808-22-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2808-23-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

memory/2808-24-0x0000000000370000-0x00000000003A0000-memory.dmp

memory/2808-25-0x0000000074B20000-0x000000007520E000-memory.dmp

memory/2808-26-0x0000000074B20000-0x000000007520E000-memory.dmp

memory/2808-27-0x0000000000440000-0x000000000046E000-memory.dmp

memory/2808-28-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-29-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-31-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-87-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-33-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-35-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-37-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-39-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-41-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-43-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-45-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-47-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-49-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-51-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-53-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-55-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-57-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-59-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-61-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-63-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-65-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-67-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-69-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-71-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-73-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-75-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-77-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-79-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-81-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-85-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-83-0x0000000000440000-0x0000000000468000-memory.dmp

memory/2808-476-0x0000000074B20000-0x000000007520E000-memory.dmp

memory/2808-477-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2808-478-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

memory/2808-479-0x0000000074B20000-0x000000007520E000-memory.dmp

memory/2808-480-0x0000000074B20000-0x000000007520E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-16 04:21

Reported

2024-10-16 04:23

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe"

Signatures

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Lymnaeidae.vbs C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe N/A

Executes dropped EXE

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

AutoIT Executable

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

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe

"C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe"

C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe

"C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

"C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2980 -ip 2980

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2980 -s 708

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 28.173.189.20.in-addr.arpa udp

Files

memory/2244-2-0x00000000043C0000-0x00000000047C0000-memory.dmp

C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe

MD5 9b679868083e626372cfb2c14b41a1e7
SHA1 577dce2d101fbf4876b68ff6c3ad7ea4b165fa08
SHA256 a461236694dd8f695abc0e9ca8df64dcce9c9d3ac081e624ab7275dca99d4a5b
SHA512 61ea89bd7bd923c334c7730c9d10b8a65516c39fa78e0d59f65e43fb2112f2751649d28b47f5e9271e171809a7b7cd725edcd567ad671a1526fbaf80a1b31cfa

C:\Users\Admin\AppData\Local\Temp\flexuoseness

MD5 9681c86859fa8bc92f87977f64f1cba7
SHA1 c50d1646a314e6e4ad0f8d868c7ed101288be380
SHA256 b99bd48a1f467328420932c5a569b55659876aa124fbb0bc29c2e2cae660f1b2
SHA512 b975c6e6589d44e61e2bc707eaeea4b2732b7eb14a11cab2e95d1f2532580567c556252f54b2cb5a88a38dccd77301d1b6959a213df1e8c7a2a5fe2d5cfc375b

memory/2980-10-0x0000000003FA0000-0x00000000043A0000-memory.dmp