Analysis
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max time kernel
119s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17-01-2025 01:22
Static task
static1
Behavioral task
behavioral1
Sample
shipping documents.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
shipping documents.exe
Resource
win10v2004-20241007-en
General
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Target
shipping documents.exe
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Size
779KB
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MD5
6bb964b13d7d40f9154178dcd5aef0b2
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SHA1
d8c1b8b31565af7457ba8e6deb0bd6cb5ed4c6db
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SHA256
7abd614a718eae6e0544e6828c834f275248093b5d807b7cc5c4de975dc7abc9
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SHA512
7afb160ab3792943c8521c5551d011f19bd9bbaa91f8151b1f4198050ab9179ce5a130c75692d8c43ca4afb9f02b0c2375af20e6638cf0879939478bb77134da
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SSDEEP
12288:a8XWXV7OeKYoX1hIlvJnvuejh2iUGxZ37v3BICEQXhGgqkN7HuK:wOeKYFSejhmOrRInOhGEx
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.starmech.net - Port:
587 - Username:
[email protected] - Password:
nics123 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 540 powershell.exe 3800 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation shipping documents.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe" RegSvcs.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 65 api.ipify.org 66 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 216 set thread context of 3104 216 shipping documents.exe 95 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 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 shipping documents.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.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 RegSvcs.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 216 shipping documents.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 4504 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 216 shipping documents.exe 540 powershell.exe 3800 powershell.exe 216 shipping documents.exe 3104 RegSvcs.exe 3104 RegSvcs.exe 3800 powershell.exe 540 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 216 shipping documents.exe Token: SeDebugPrivilege 3800 powershell.exe Token: SeDebugPrivilege 540 powershell.exe Token: SeDebugPrivilege 3104 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3104 RegSvcs.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 216 wrote to memory of 540 216 shipping documents.exe 89 PID 216 wrote to memory of 540 216 shipping documents.exe 89 PID 216 wrote to memory of 540 216 shipping documents.exe 89 PID 216 wrote to memory of 3800 216 shipping documents.exe 91 PID 216 wrote to memory of 3800 216 shipping documents.exe 91 PID 216 wrote to memory of 3800 216 shipping documents.exe 91 PID 216 wrote to memory of 4504 216 shipping documents.exe 93 PID 216 wrote to memory of 4504 216 shipping documents.exe 93 PID 216 wrote to memory of 4504 216 shipping documents.exe 93 PID 216 wrote to memory of 3104 216 shipping documents.exe 95 PID 216 wrote to memory of 3104 216 shipping documents.exe 95 PID 216 wrote to memory of 3104 216 shipping documents.exe 95 PID 216 wrote to memory of 3104 216 shipping documents.exe 95 PID 216 wrote to memory of 3104 216 shipping documents.exe 95 PID 216 wrote to memory of 3104 216 shipping documents.exe 95 PID 216 wrote to memory of 3104 216 shipping documents.exe 95 PID 216 wrote to memory of 3104 216 shipping documents.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\shipping documents.exe"C:\Users\Admin\AppData\Local\Temp\shipping documents.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:216 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\shipping documents.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:540
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AZUARB.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3800
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AZUARB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7DB.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4504
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3104
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5868a545d97cba8877b68bd6cec1f4a2f
SHA1467ddd7f31dd8aafa1dc146d8a74d9f15615ddd5
SHA25661e451fc7b5914f2aaab42152736cfacb35e10b3bb01958fafc39c8064dcd99c
SHA51277310a3eb21b6373e6cdc40d0e635f85d8c841b3d4419074a6ee171fa0aa623cbd394c5bccd8105335871ba8a4c1910163735d04001fad99769c36b1e34b3896
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5959370d68adc2403c0f5aa8b591b7bb1
SHA12aed17973eddf4c222c87c09e616e41c377e3963
SHA2565e581527bd18e98839e5ee9fec2a0b9a0a5c2e684e7337e8fa161e0aca11dc7e
SHA51272f5cc2f432a85b28cf6f4496ed3a3f8710d6a033914852a4c98d31b730532a6213ee76b5f4e72b5d126c5ffc5f59d67e33ad2db1dfe701531b3e21a15139002