Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240910-en -
resource tags
arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system -
submitted
26-09-2024 00:54
Static task
static1
Behavioral task
behavioral1
Sample
Telco 32pcs New Purchase Order.exe
Resource
win7-20240903-en
General
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Target
Telco 32pcs New Purchase Order.exe
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Size
968KB
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MD5
8d310f2e831174aac8eaa5eba20e87ad
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SHA1
600ef55976b69523c7973c5d0aeeb91f3fdcf97e
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SHA256
457b6241f125cd8c4f030e7b7f05829b89a5e831f624225cb70ea272ecd88876
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SHA512
a8a58d69131ae7b6736af515ad800eebe123df03c8c5b909e24ae64e382f310835f984d045f97aabe11a0f489e614b1d8d516add24d9cfde6f261ca88af75839
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SSDEEP
24576:izFcFCG6ra2QIi2zGc9rwZTkfrw6bMfR1q:izFcsG3ZDc9riI0q
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.iaa-airferight.com - Port:
587 - Username:
[email protected] - Password:
Asaprocky11 - 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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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 2156 powershell.exe 224 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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation Telco 32pcs New Purchase Order.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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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 26 api.ipify.org 27 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1252 set thread context of 1732 1252 Telco 32pcs New Purchase Order.exe 100 -
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 powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Telco 32pcs New Purchase Order.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Telco 32pcs New Purchase Order.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.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 2872 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 224 powershell.exe 2156 powershell.exe 1732 Telco 32pcs New Purchase Order.exe 1732 Telco 32pcs New Purchase Order.exe 224 powershell.exe 2156 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 224 powershell.exe Token: SeDebugPrivilege 2156 powershell.exe Token: SeDebugPrivilege 1732 Telco 32pcs New Purchase Order.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1732 Telco 32pcs New Purchase Order.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1252 wrote to memory of 224 1252 Telco 32pcs New Purchase Order.exe 94 PID 1252 wrote to memory of 224 1252 Telco 32pcs New Purchase Order.exe 94 PID 1252 wrote to memory of 224 1252 Telco 32pcs New Purchase Order.exe 94 PID 1252 wrote to memory of 2156 1252 Telco 32pcs New Purchase Order.exe 96 PID 1252 wrote to memory of 2156 1252 Telco 32pcs New Purchase Order.exe 96 PID 1252 wrote to memory of 2156 1252 Telco 32pcs New Purchase Order.exe 96 PID 1252 wrote to memory of 2872 1252 Telco 32pcs New Purchase Order.exe 98 PID 1252 wrote to memory of 2872 1252 Telco 32pcs New Purchase Order.exe 98 PID 1252 wrote to memory of 2872 1252 Telco 32pcs New Purchase Order.exe 98 PID 1252 wrote to memory of 1732 1252 Telco 32pcs New Purchase Order.exe 100 PID 1252 wrote to memory of 1732 1252 Telco 32pcs New Purchase Order.exe 100 PID 1252 wrote to memory of 1732 1252 Telco 32pcs New Purchase Order.exe 100 PID 1252 wrote to memory of 1732 1252 Telco 32pcs New Purchase Order.exe 100 PID 1252 wrote to memory of 1732 1252 Telco 32pcs New Purchase Order.exe 100 PID 1252 wrote to memory of 1732 1252 Telco 32pcs New Purchase Order.exe 100 PID 1252 wrote to memory of 1732 1252 Telco 32pcs New Purchase Order.exe 100 PID 1252 wrote to memory of 1732 1252 Telco 32pcs New Purchase Order.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\Telco 32pcs New Purchase Order.exe"C:\Users\Admin\AppData\Local\Temp\Telco 32pcs New Purchase Order.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1252 -
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\Telco 32pcs New Purchase Order.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:224
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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\zBzzGAdzqF.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2156
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zBzzGAdzqF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF1E.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2872
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C:\Users\Admin\AppData\Local\Temp\Telco 32pcs New Purchase Order.exe"C:\Users\Admin\AppData\Local\Temp\Telco 32pcs New Purchase Order.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1732
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Network
MITRE ATT&CK Enterprise v15
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
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5ff91d5973d55d5a6ba8cd4aa90fa2faf
SHA1a366ecc62e2bc17d95f515a5cb7a8afee5b51371
SHA256c30acb0a54b84d3fbd06aef1936b5ce43ed5e159875ed096fe1e97fab71193a3
SHA51292679ff4cda700a8ca7cb42f054502bb0f10827084142bafce38d06995782237badf5481c2d93c3c6f2a0ccabf75a2152fca2f1301b68e043e455515a3b114c8
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5e61e88f3d8d50f75eb631ac1e311985f
SHA1ca65a9a5bbe32e5afd5197ff380293ddc95fd539
SHA2565c5358c8b8c60b47e92725b62aa3ece550a13843a8de478c7ec2b12be6c232bf
SHA512f4720b083339bde41215d6bdb73bd237163645480a8190115a1121bba2099cee72ec28baa5bb17e720ac219fdfcf73517b365c10be3794f69cb6a2737dbd32be