Malware Analysis Report

2025-06-16 07:06

Sample ID 240602-bfmcgaea47
Target 1de70ae6a465a3132c37a907f37be0410e6febd57eb5a02b26711ddab94a85c3.exe
SHA256 1de70ae6a465a3132c37a907f37be0410e6febd57eb5a02b26711ddab94a85c3
Tags
execution
score
8/10

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
8/10

SHA256

1de70ae6a465a3132c37a907f37be0410e6febd57eb5a02b26711ddab94a85c3

Threat Level: Likely malicious

The file 1de70ae6a465a3132c37a907f37be0410e6febd57eb5a02b26711ddab94a85c3.exe was found to be: Likely malicious.

Malicious Activity Summary

execution

Command and Scripting Interpreter: PowerShell

Executes dropped EXE

Loads dropped DLL

Drops file in System32 directory

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Uses Task Scheduler COM API

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-02 01:05

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-02 01:05

Reported

2024-06-02 01:07

Platform

win7-20240220-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1de70ae6a465a3132c37a907f37be0410e6febd57eb5a02b26711ddab94a85c3.exe"

Signatures

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Index\Parameters.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\system32\taskeng.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2924 set thread context of 1508 N/A C:\Users\Admin\AppData\Roaming\Index\Parameters.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1de70ae6a465a3132c37a907f37be0410e6febd57eb5a02b26711ddab94a85c3.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\Index\Parameters.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2620 wrote to memory of 2572 N/A C:\Windows\system32\taskeng.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2620 wrote to memory of 2572 N/A C:\Windows\system32\taskeng.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2620 wrote to memory of 2572 N/A C:\Windows\system32\taskeng.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1564 wrote to memory of 2924 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\Index\Parameters.exe
PID 1564 wrote to memory of 2924 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\Index\Parameters.exe
PID 1564 wrote to memory of 2924 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\Index\Parameters.exe
PID 2924 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Roaming\Index\Parameters.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
PID 2924 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Roaming\Index\Parameters.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
PID 2924 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Roaming\Index\Parameters.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
PID 2924 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Roaming\Index\Parameters.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
PID 2924 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Roaming\Index\Parameters.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
PID 2924 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Roaming\Index\Parameters.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
PID 2924 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Roaming\Index\Parameters.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\1de70ae6a465a3132c37a907f37be0410e6febd57eb5a02b26711ddab94a85c3.exe

"C:\Users\Admin\AppData\Local\Temp\1de70ae6a465a3132c37a907f37be0410e6febd57eb5a02b26711ddab94a85c3.exe"

C:\Windows\system32\taskeng.exe

taskeng.exe {6DA35476-D1D3-4BF8-B2E5-E86385A52125} S-1-5-21-2721934792-624042501-2768869379-1000:BISMIZHX\Admin:S4U:

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc 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

C:\Windows\system32\taskeng.exe

taskeng.exe {BBCC50E0-FFC2-4E81-9C86-ED996D730C69} S-1-5-21-2721934792-624042501-2768869379-1000:BISMIZHX\Admin:Interactive:[1]

C:\Users\Admin\AppData\Roaming\Index\Parameters.exe

C:\Users\Admin\AppData\Roaming\Index\Parameters.exe

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 zensh.servehttp.com udp

Files

memory/2004-0-0x000007FEF58A3000-0x000007FEF58A4000-memory.dmp

memory/2004-1-0x000000013FA70000-0x000000013FB12000-memory.dmp

memory/2004-2-0x000000001B870000-0x000000001B970000-memory.dmp

memory/2004-3-0x000007FEF58A0000-0x000007FEF628C000-memory.dmp

memory/2004-5-0x0000000000920000-0x000000000096C000-memory.dmp

memory/2004-4-0x00000000024F0000-0x0000000002546000-memory.dmp

memory/2004-6-0x0000000002550000-0x00000000025A4000-memory.dmp

memory/2572-11-0x0000000001A40000-0x0000000001AC0000-memory.dmp

memory/2572-12-0x000000001A190000-0x000000001A472000-memory.dmp

memory/2572-13-0x0000000001200000-0x0000000001208000-memory.dmp

memory/2004-16-0x000007FEF58A0000-0x000007FEF628C000-memory.dmp

\Users\Admin\AppData\Roaming\Index\Parameters.exe

MD5 f64ac2d52a86b86f08b6c4bdc2d443e8
SHA1 9268869f34ee1669642d8772273852789ec8fec9
SHA256 1de70ae6a465a3132c37a907f37be0410e6febd57eb5a02b26711ddab94a85c3
SHA512 b0ae630ff80b5277408c18a2d6bbd0c405ab370d0549607e3f3093feb1a1f9807fe4b6433d8b9fd5a4c6f105e7583c602594d356df7b5a6a15bc127fc20c7b9b

memory/2924-21-0x000000013F4A0000-0x000000013F542000-memory.dmp

memory/1508-22-0x0000000140000000-0x00000001400A2000-memory.dmp

memory/1508-26-0x0000000140000000-0x00000001400A2000-memory.dmp

memory/1508-24-0x0000000140000000-0x00000001400A2000-memory.dmp

memory/1508-28-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

memory/1508-29-0x0000000140000000-0x00000001400A2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-02 01:05

Reported

2024-06-02 01:07

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1de70ae6a465a3132c37a907f37be0410e6febd57eb5a02b26711ddab94a85c3.exe"

Signatures

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Index\Parameters.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4464 set thread context of 3032 N/A C:\Users\Admin\AppData\Roaming\Index\Parameters.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1de70ae6a465a3132c37a907f37be0410e6febd57eb5a02b26711ddab94a85c3.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\Index\Parameters.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\1de70ae6a465a3132c37a907f37be0410e6febd57eb5a02b26711ddab94a85c3.exe

"C:\Users\Admin\AppData\Local\Temp\1de70ae6a465a3132c37a907f37be0410e6febd57eb5a02b26711ddab94a85c3.exe"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc 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

C:\Users\Admin\AppData\Roaming\Index\Parameters.exe

C:\Users\Admin\AppData\Roaming\Index\Parameters.exe

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 zensh.servehttp.com udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 52.111.229.48:443 tcp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 udp

Files

memory/5108-0-0x0000026B7A1F0000-0x0000026B7A292000-memory.dmp

memory/5108-1-0x00007FFDE63E3000-0x00007FFDE63E5000-memory.dmp

memory/5108-2-0x0000026B7C170000-0x0000026B7C270000-memory.dmp

memory/5108-3-0x00007FFDE63E0000-0x00007FFDE6EA1000-memory.dmp

memory/5108-4-0x0000026B7A6B0000-0x0000026B7A706000-memory.dmp

memory/5108-5-0x0000026B7A710000-0x0000026B7A75C000-memory.dmp

memory/5108-6-0x0000026B7C080000-0x0000026B7C0D4000-memory.dmp

memory/816-7-0x00007FFDE63E0000-0x00007FFDE6EA1000-memory.dmp

memory/816-8-0x00007FFDE63E0000-0x00007FFDE6EA1000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_k1rxd5yb.gru.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/816-18-0x0000020729250000-0x0000020729272000-memory.dmp

memory/816-21-0x00007FFDE63E0000-0x00007FFDE6EA1000-memory.dmp

memory/5108-25-0x00007FFDE63E0000-0x00007FFDE6EA1000-memory.dmp

C:\Users\Admin\AppData\Roaming\Index\Parameters.exe

MD5 f64ac2d52a86b86f08b6c4bdc2d443e8
SHA1 9268869f34ee1669642d8772273852789ec8fec9
SHA256 1de70ae6a465a3132c37a907f37be0410e6febd57eb5a02b26711ddab94a85c3
SHA512 b0ae630ff80b5277408c18a2d6bbd0c405ab370d0549607e3f3093feb1a1f9807fe4b6433d8b9fd5a4c6f105e7583c602594d356df7b5a6a15bc127fc20c7b9b

memory/4464-28-0x00007FFDE5BF0000-0x00007FFDE66B1000-memory.dmp

memory/4464-31-0x00007FFDE5BF0000-0x00007FFDE66B1000-memory.dmp