Analysis
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max time kernel
92s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
20-09-2024 15:54
Static task
static1
Behavioral task
behavioral1
Sample
PO-3500036071.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
PO-3500036071.exe
Resource
win10v2004-20240802-en
General
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Target
PO-3500036071.exe
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Size
614KB
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MD5
9a6fb05aecb4f4ce83d11d948cfbbf55
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SHA1
a1cb615284130925b1259d5a6881923b0eb2e58c
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SHA256
f40124a3e533151b64738625eb9cfa05433e6f2c9487729bcb1d71267948564f
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SHA512
677701d1d1f6bed146bfe146ab48097ffad8a6433c35833c7bab97b053cf283f6da1c48edf58083917dde052c9cbea1dbfcc7788e5c80661b07da93d1387c528
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SSDEEP
12288:+eoXEF2apKhcvZ94ixSjty6NpN4T/zw2M+YIB/RbtyzDB1qgJ:HoAPEi/Ujs6g/zJB32B1
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.iaa-airferight.com - Port:
587 - Username:
[email protected] - Password:
manlikeyou88 - 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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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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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 5040 powershell.exe 3924 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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation PO-3500036071.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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3760 set thread context of 1668 3760 PO-3500036071.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 PO-3500036071.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 PO-3500036071.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 348 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 5040 powershell.exe 3924 powershell.exe 1668 PO-3500036071.exe 1668 PO-3500036071.exe 5040 powershell.exe 3924 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 5040 powershell.exe Token: SeDebugPrivilege 3924 powershell.exe Token: SeDebugPrivilege 1668 PO-3500036071.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 3760 wrote to memory of 5040 3760 PO-3500036071.exe 89 PID 3760 wrote to memory of 5040 3760 PO-3500036071.exe 89 PID 3760 wrote to memory of 5040 3760 PO-3500036071.exe 89 PID 3760 wrote to memory of 3924 3760 PO-3500036071.exe 91 PID 3760 wrote to memory of 3924 3760 PO-3500036071.exe 91 PID 3760 wrote to memory of 3924 3760 PO-3500036071.exe 91 PID 3760 wrote to memory of 348 3760 PO-3500036071.exe 93 PID 3760 wrote to memory of 348 3760 PO-3500036071.exe 93 PID 3760 wrote to memory of 348 3760 PO-3500036071.exe 93 PID 3760 wrote to memory of 1668 3760 PO-3500036071.exe 95 PID 3760 wrote to memory of 1668 3760 PO-3500036071.exe 95 PID 3760 wrote to memory of 1668 3760 PO-3500036071.exe 95 PID 3760 wrote to memory of 1668 3760 PO-3500036071.exe 95 PID 3760 wrote to memory of 1668 3760 PO-3500036071.exe 95 PID 3760 wrote to memory of 1668 3760 PO-3500036071.exe 95 PID 3760 wrote to memory of 1668 3760 PO-3500036071.exe 95 PID 3760 wrote to memory of 1668 3760 PO-3500036071.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\PO-3500036071.exe"C:\Users\Admin\AppData\Local\Temp\PO-3500036071.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3760 -
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\PO-3500036071.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5040
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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\OWwqxnskD.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3924
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OWwqxnskD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB892.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:348
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C:\Users\Admin\AppData\Local\Temp\PO-3500036071.exe"C:\Users\Admin\AppData\Local\Temp\PO-3500036071.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1668
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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
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD565f290fcd2738248cb2af2eb74121b7d
SHA11486f34ea2d530c42e89661bec11d5ad0b93f1c6
SHA2565ab3a4857d07ed4102306f886d8dc7d1b6775eeb7fea81d89dfc56fbb140d408
SHA512e7211dda05d2374ea1df72578360e2fd2ca491a9ccc30ed841d6f030422a2f19e50cb95acb57b65446663c2f56c0158b048fcfd7705fe4dde92d69dab840c3c5
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD57c55854cc7f23962547c5bb0b42c7e28
SHA1698529069fa27ffb94610d449f74d6649e2fd989
SHA256193dd6dafd1d29a19f259f9d43247c46e9f99a449071a44c40d8ce3a916a0d13
SHA5120b0efbdbbfa6d79b6d13dbdba6714fcbed536ca9767d7e170d744ff476309c0c1e04892926b8395417b419bd3f258172aa4a57535b9cafacfc0fe609d5d64e39