Analysis
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max time kernel
93s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02-10-2024 01:11
Static task
static1
Behavioral task
behavioral1
Sample
38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe
Resource
win7-20240903-en
General
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Target
38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe
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Size
920KB
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MD5
78eff09f295aa4b3aaf36af5245efe94
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SHA1
dea545e8b85f2c1201f7aa3a54f643826ca8a6ed
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SHA256
38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106
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SHA512
a8b49247156aa7004206f24211054f7f37c73df06e8a85ecf843e9c44cc99a5cf29886e85ba03d89a87a1d3968322c25cdef7877ae6c5efcfa946910204ce67f
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SSDEEP
12288:T3TEG/N9AKPGu+MAyn6+6Slh5/2qVe2lR8XaZW4IaBAP7r9r/+ppppppppppppp7:8AnAPRo6+pPOnoR8X2W4JBA1q
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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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 5076 powershell.exe 4584 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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation 38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2908 set thread context of 4020 2908 38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe 93 -
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 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.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 1992 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 5076 powershell.exe 4584 powershell.exe 5076 powershell.exe 4020 38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe 4020 38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe 4584 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 5076 powershell.exe Token: SeDebugPrivilege 4584 powershell.exe Token: SeDebugPrivilege 4020 38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2908 wrote to memory of 5076 2908 38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe 87 PID 2908 wrote to memory of 5076 2908 38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe 87 PID 2908 wrote to memory of 5076 2908 38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe 87 PID 2908 wrote to memory of 4584 2908 38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe 89 PID 2908 wrote to memory of 4584 2908 38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe 89 PID 2908 wrote to memory of 4584 2908 38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe 89 PID 2908 wrote to memory of 1992 2908 38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe 91 PID 2908 wrote to memory of 1992 2908 38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe 91 PID 2908 wrote to memory of 1992 2908 38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe 91 PID 2908 wrote to memory of 4020 2908 38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe 93 PID 2908 wrote to memory of 4020 2908 38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe 93 PID 2908 wrote to memory of 4020 2908 38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe 93 PID 2908 wrote to memory of 4020 2908 38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe 93 PID 2908 wrote to memory of 4020 2908 38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe 93 PID 2908 wrote to memory of 4020 2908 38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe 93 PID 2908 wrote to memory of 4020 2908 38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe 93 PID 2908 wrote to memory of 4020 2908 38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe"C:\Users\Admin\AppData\Local\Temp\38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2908 -
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\38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5076
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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\zriEHRxkd.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4584
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zriEHRxkd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDD40.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1992
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C:\Users\Admin\AppData\Local\Temp\38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe"C:\Users\Admin\AppData\Local\Temp\38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4020
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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
MD5cc8d79f2b5c0696baf15df6288aa4573
SHA1bd18eb68e68f8a324fedcebedf16c687e761e229
SHA256125a5718af9f6a11e7c1c43b875d14d86f3ca9c58d912ae669ec5a43d64f44d8
SHA51260b68ffc30e970097e6191ea5aed306e10bbd961832147aa66ab6dd4e273ccbac0fdefba316b52b310473c4f0a37905a99f7b1eefe48660f19cdbd19ee618456
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD508d0b69d9ace07405f15852613452b4e
SHA1792ae776885a799c9dd1ea4e547c49179c3b9d73
SHA25686226fc7088599aeb05baf70e6b458d569535e3dc1509b5bafdba500783d7133
SHA512144ca4238776c9df3950bcbff4484d68478bea682788ac4a4cf20566207fd8991b58d4a1292f1e4581454320abda8c67162d96242cac0c8f8e45868d766e7e9e