Malware Analysis Report

2024-11-30 20:06

Sample ID 240509-bn4xgsch42
Target 27ceddc87795eb0c1fec50f8da2f94cea865d7de14ed569541d629c099d63296.z
SHA256 27ceddc87795eb0c1fec50f8da2f94cea865d7de14ed569541d629c099d63296
Tags
agenttesla zgrat keylogger persistence rat spyware stealer 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

27ceddc87795eb0c1fec50f8da2f94cea865d7de14ed569541d629c099d63296

Threat Level: Known bad

The file 27ceddc87795eb0c1fec50f8da2f94cea865d7de14ed569541d629c099d63296.z was found to be: Known bad.

Malicious Activity Summary

agenttesla zgrat keylogger persistence rat spyware stealer trojan

Detect ZGRat V1

ZGRat

AgentTesla

Detects executables referencing many email and collaboration clients. Observed in information stealers

Detects executables referencing Windows vault credential objects. Observed in infostealers

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

Detects executables referencing many file transfer clients. Observed in information stealers

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Detect packed .NET executables. Mostly AgentTeslaV4.

Adds Run key to start application

Suspicious use of SetThreadContext

AutoIT Executable

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-09 01:18

Signatures

AutoIT Executable

Description Indicator Process Target
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Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 01:18

Reported

2024-05-09 01:20

Platform

win7-20240221-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\CustomInvoice_WaybillDoc_TransprotLabel_78060565761052024.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Detect ZGRat V1

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ZGRat

rat zgrat

Detect packed .NET executables. Mostly AgentTeslaV4.

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Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

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Detects executables referencing Windows vault credential objects. Observed in infostealers

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Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

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Detects executables referencing many email and collaboration clients. Observed in information stealers

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Detects executables referencing many file transfer clients. Observed in information stealers

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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\ctsdvwT = "C:\\Users\\Admin\\AppData\\Roaming\\ctsdvwT\\ctsdvwT.exe" C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2864 set thread context of 2800 N/A C:\Users\Admin\AppData\Local\Temp\CustomInvoice_WaybillDoc_TransprotLabel_78060565761052024.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
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\Temp\CustomInvoice_WaybillDoc_TransprotLabel_78060565761052024.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 SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2864 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\CustomInvoice_WaybillDoc_TransprotLabel_78060565761052024.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2864 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\CustomInvoice_WaybillDoc_TransprotLabel_78060565761052024.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2864 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\CustomInvoice_WaybillDoc_TransprotLabel_78060565761052024.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2864 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\CustomInvoice_WaybillDoc_TransprotLabel_78060565761052024.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2864 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\CustomInvoice_WaybillDoc_TransprotLabel_78060565761052024.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2864 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\CustomInvoice_WaybillDoc_TransprotLabel_78060565761052024.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2864 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\CustomInvoice_WaybillDoc_TransprotLabel_78060565761052024.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2864 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\CustomInvoice_WaybillDoc_TransprotLabel_78060565761052024.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Processes

C:\Users\Admin\AppData\Local\Temp\CustomInvoice_WaybillDoc_TransprotLabel_78060565761052024.exe

"C:\Users\Admin\AppData\Local\Temp\CustomInvoice_WaybillDoc_TransprotLabel_78060565761052024.exe"

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

"C:\Users\Admin\AppData\Local\Temp\CustomInvoice_WaybillDoc_TransprotLabel_78060565761052024.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 mail.deeptrans.com.tr udp
TR 93.89.226.88:587 mail.deeptrans.com.tr tcp

Files

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

MD5 873db2476db53b939dea5a620a355397
SHA1 324e215cd1bda8ad216f03bc1095ae587ada7286
SHA256 57b9bb938e459cb9dcb8f22d7c74d605bee649a6c86939a46d57026cf9344daa
SHA512 89624d65c80138200e9480cb7d669ed53638ab84a58ddf6f1729083e81edfb69055f109de752210d52a1f2572e2286b3610802742327b59a807651085d255a02

memory/2864-11-0x00000000000B0000-0x00000000000B4000-memory.dmp

memory/2800-12-0x0000000000400000-0x0000000000447000-memory.dmp

memory/2800-14-0x0000000000400000-0x0000000000447000-memory.dmp

memory/2800-15-0x0000000000400000-0x0000000000447000-memory.dmp

memory/2800-16-0x00000000744FE000-0x00000000744FF000-memory.dmp

memory/2800-17-0x0000000000C00000-0x0000000000C56000-memory.dmp

memory/2800-18-0x00000000744F0000-0x0000000074BDE000-memory.dmp

memory/2800-19-0x0000000002070000-0x00000000020C4000-memory.dmp

memory/2800-20-0x00000000744F0000-0x0000000074BDE000-memory.dmp

memory/2800-22-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-32-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-83-0x00000000744F0000-0x0000000074BDE000-memory.dmp

memory/2800-80-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-78-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-76-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-74-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-72-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-70-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-68-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-66-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-64-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-62-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-60-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-1118-0x00000000744F0000-0x0000000074BDE000-memory.dmp

memory/2800-58-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-56-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-54-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-52-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-50-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-48-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-46-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-44-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-42-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-40-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-38-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-36-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-34-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-30-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-28-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-26-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-24-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-21-0x0000000002070000-0x00000000020BF000-memory.dmp

memory/2800-1120-0x00000000744FE000-0x00000000744FF000-memory.dmp

memory/2800-1121-0x00000000744F0000-0x0000000074BDE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 01:18

Reported

2024-05-09 01:20

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\CustomInvoice_WaybillDoc_TransprotLabel_78060565761052024.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Detect ZGRat V1

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ZGRat

rat zgrat

Detect packed .NET executables. Mostly AgentTeslaV4.

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Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

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Detects executables referencing Windows vault credential objects. Observed in infostealers

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Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

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Detects executables referencing many email and collaboration clients. Observed in information stealers

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Detects executables referencing many file transfer clients. Observed in information stealers

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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ctsdvwT = "C:\\Users\\Admin\\AppData\\Roaming\\ctsdvwT\\ctsdvwT.exe" C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2288 set thread context of 2696 N/A C:\Users\Admin\AppData\Local\Temp\CustomInvoice_WaybillDoc_TransprotLabel_78060565761052024.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
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\Temp\CustomInvoice_WaybillDoc_TransprotLabel_78060565761052024.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 SetWindowsHookEx

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

Processes

C:\Users\Admin\AppData\Local\Temp\CustomInvoice_WaybillDoc_TransprotLabel_78060565761052024.exe

"C:\Users\Admin\AppData\Local\Temp\CustomInvoice_WaybillDoc_TransprotLabel_78060565761052024.exe"

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

"C:\Users\Admin\AppData\Local\Temp\CustomInvoice_WaybillDoc_TransprotLabel_78060565761052024.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 mail.deeptrans.com.tr udp
TR 93.89.226.88:587 mail.deeptrans.com.tr tcp
US 8.8.8.8:53 88.226.89.93.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 174.117.168.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\aut3DE4.tmp

MD5 873db2476db53b939dea5a620a355397
SHA1 324e215cd1bda8ad216f03bc1095ae587ada7286
SHA256 57b9bb938e459cb9dcb8f22d7c74d605bee649a6c86939a46d57026cf9344daa
SHA512 89624d65c80138200e9480cb7d669ed53638ab84a58ddf6f1729083e81edfb69055f109de752210d52a1f2572e2286b3610802742327b59a807651085d255a02

memory/2288-12-0x0000000001270000-0x0000000001274000-memory.dmp

memory/2696-13-0x0000000000400000-0x0000000000447000-memory.dmp

memory/2696-14-0x0000000000400000-0x0000000000447000-memory.dmp

memory/2696-15-0x0000000000400000-0x0000000000447000-memory.dmp

memory/2696-16-0x0000000000400000-0x0000000000447000-memory.dmp

memory/2696-17-0x00000000748EE000-0x00000000748EF000-memory.dmp

memory/2696-18-0x0000000005130000-0x0000000005186000-memory.dmp

memory/2696-19-0x00000000748E0000-0x0000000075090000-memory.dmp

memory/2696-20-0x0000000005780000-0x0000000005D24000-memory.dmp

memory/2696-22-0x00000000748E0000-0x0000000075090000-memory.dmp

memory/2696-23-0x00000000748E0000-0x0000000075090000-memory.dmp

memory/2696-29-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-79-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-83-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-81-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-77-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-75-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-73-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-71-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-69-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-67-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-65-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-61-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-59-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-57-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-55-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-53-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-51-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-49-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-47-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-45-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-63-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-43-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-41-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-39-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-37-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-35-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-33-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-31-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-27-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-25-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-24-0x0000000005210000-0x000000000525F000-memory.dmp

memory/2696-21-0x0000000005210000-0x0000000005264000-memory.dmp

memory/2696-1120-0x00000000053E0000-0x0000000005446000-memory.dmp

memory/2696-1121-0x00000000748E0000-0x0000000075090000-memory.dmp

memory/2696-1123-0x0000000006200000-0x0000000006250000-memory.dmp

memory/2696-1124-0x00000000062F0000-0x000000000638C000-memory.dmp

memory/2696-1125-0x0000000006670000-0x0000000006702000-memory.dmp

memory/2696-1126-0x0000000006640000-0x000000000664A000-memory.dmp

memory/2696-1127-0x0000000000400000-0x0000000000447000-memory.dmp

memory/2696-1128-0x00000000748EE000-0x00000000748EF000-memory.dmp

memory/2696-1129-0x00000000748E0000-0x0000000075090000-memory.dmp