Analysis
- max time kernel
105s - max time network
127s - platform
windows11-21h2_x64 - resource
win11-20250619-en - resource tags
arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system - submitted
06/08/2025, 11:03
Static task
static1
Behavioral task
behavioral1
Sample
Purchase Order.exe
Resource
win10v2004-20250502-en
Behavioral task
behavioral2
Sample
Purchase Order.exe
Resource
win11-20250619-en
General
- Target Purchase Order.exe
- Size 1.1MB
- Sample250806-m5373avyex
- SHA256 e4b64ae324a75568f82dd940c4017726c020051668cbb1832e88f4e806abe4e4
- MD5 7f77ccd9bc0b786ae2e1f1bfdd16915d
- SHA1 75a2ad8b237365ab3c892e3e87544f28ebd97b7a
- SHA512 c4e49781d18d51e936ef9219897d486a12164b52aa74c4a0cdf1cbf646d51fc94201c29a37f697f46fb903abbac1549fa64d6bbcd33f0c69942ac631f010806b
- SSDEEP 12288:ywEGvUhzbgQTBm4hScAKSDo684pO+A9lKr/vFLvVtgdSNTgKMHjOmrvuSINiDs:ywDUhQ0REv868MOT9lOdM/mNi
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
Protocol
smtp
-
Host
cphost14.qhoster.net
-
Port
587
-
Username
-
Password
Money@2025
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 1960 powershell.exe - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 1 ip-api.com - SmartAssembly .NET packer 1 IoCs
Detects SmartAssembly .NET packer.
resource yara_rule behavioral2/memory/3992-6-0x0000000005840000-0x000000000584E000-memory.dmp SmartAssembly - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3992 set thread context of 4080 3992 Purchase Order.exe 82 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Purchase Order.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Purchase Order.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3856 schtasks.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1960 powershell.exe 1960 powershell.exe 4080 Purchase Order.exe 4080 Purchase Order.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1960 powershell.exe Token: SeDebugPrivilege 4080 Purchase Order.exe - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 3992 wrote to memory of 1960 3992 Purchase Order.exe 78 PID 3992 wrote to memory of 1960 3992 Purchase Order.exe 78 PID 3992 wrote to memory of 1960 3992 Purchase Order.exe 78 PID 3992 wrote to memory of 3856 3992 Purchase Order.exe 80 PID 3992 wrote to memory of 3856 3992 Purchase Order.exe 80 PID 3992 wrote to memory of 3856 3992 Purchase Order.exe 80 PID 3992 wrote to memory of 4080 3992 Purchase Order.exe 82 PID 3992 wrote to memory of 4080 3992 Purchase Order.exe 82 PID 3992 wrote to memory of 4080 3992 Purchase Order.exe 82 PID 3992 wrote to memory of 4080 3992 Purchase Order.exe 82 PID 3992 wrote to memory of 4080 3992 Purchase Order.exe 82 PID 3992 wrote to memory of 4080 3992 Purchase Order.exe 82 PID 3992 wrote to memory of 4080 3992 Purchase Order.exe 82 PID 3992 wrote to memory of 4080 3992 Purchase Order.exe 82 PID 3992 wrote to memory of 4080 3992 Purchase Order.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3992 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aeHJryRpnmiKTF.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1960
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aeHJryRpnmiKTF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD09E.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3856
-
-
C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4080
-
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Purchase Order.exe.log
- Size 1KB
- SHA256 4c17576f64dea465c45a50573ee41771f7be9962ab2d07f961af4df5589bdcce
- MD5 7e1ed0055c3eaa0bbc4a29ec1ef15a6a
- SHA1 765b954c1adbb6a6ecc4fe912fdaa6d0fba0ae7d
- SHA512 de7c784c37d18c43820908add88f08ab4864c0ef3f9d158cc2c9d1bab120613cb093dd4bfc5d7ed0c289414956cfe0b213c386f8e6b5753847dec915566297c8
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bs3d1p2p.xmy.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmpD09E.tmp
- Size 1KB
- SHA256 1ca00cc0c658cad943ea5013795cf2f15c6cdd1717ba5a878c2fd038b70853db
- MD5 667cd78f5d3430794a726d83fa8191c1
- SHA1 9795cae83d170ca30b7c688771927c37f0885d52
- SHA512 9a3631125fdc30e71d0fac46eb29baeb982d325f33030b70412ecdf8e262a7703b833e0bce3ee8e6db0fc8edcfc0199eeba28757280245ecaaa04ba20f8b5305
- MD5 SHA1 SHA512