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Analysis
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max time kernel
133s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
04/01/2023, 13:29
Static task
static1
Behavioral task
behavioral1
Sample
522d2ac90778154b783b8c367901d0dc994e849b.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
522d2ac90778154b783b8c367901d0dc994e849b.exe
Resource
win10v2004-20221111-en
General
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Target
522d2ac90778154b783b8c367901d0dc994e849b.exe
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Size
860KB
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MD5
60560661bb1ebaf6358a09997fd68c61
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SHA1
522d2ac90778154b783b8c367901d0dc994e849b
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SHA256
43a0be7895e81ab00df511b6e247641f46291a794c103111e602ff1401ea0324
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SHA512
da3e517bace9ebb6c770b0ab03660a56811ba4aba3e83ab21ed1d99b5f99f18082678ddd2887c3a0c644c27511e6e523925ad90bb649deac48c3a66d5c114f61
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SSDEEP
12288:bjSWEpeRUrakx5Q2t4rOa/J8OXVbeV2b2WtOez1Gi2Dg1Pjqn0Ta4spUT22tr:bApyUh8Oa/zb2WZz1Giwgbq0r9
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5590596148:AAFELAezvK26mOp3KWIpAgxEVzQMQ56n6zg/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation 522d2ac90778154b783b8c367901d0dc994e849b.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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 522d2ac90778154b783b8c367901d0dc994e849b.exe Key opened \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 522d2ac90778154b783b8c367901d0dc994e849b.exe Key opened \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 522d2ac90778154b783b8c367901d0dc994e849b.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\JxkFp = "C:\\Users\\Admin\\AppData\\Roaming\\JxkFp\\JxkFp.exe" 522d2ac90778154b783b8c367901d0dc994e849b.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4512 set thread context of 3332 4512 522d2ac90778154b783b8c367901d0dc994e849b.exe 88 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2456 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2884 powershell.exe 2792 powershell.exe 2792 powershell.exe 2884 powershell.exe 3332 522d2ac90778154b783b8c367901d0dc994e849b.exe 3332 522d2ac90778154b783b8c367901d0dc994e849b.exe 3332 522d2ac90778154b783b8c367901d0dc994e849b.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2792 powershell.exe Token: SeDebugPrivilege 2884 powershell.exe Token: SeDebugPrivilege 3332 522d2ac90778154b783b8c367901d0dc994e849b.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3332 522d2ac90778154b783b8c367901d0dc994e849b.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 4512 wrote to memory of 2884 4512 522d2ac90778154b783b8c367901d0dc994e849b.exe 82 PID 4512 wrote to memory of 2884 4512 522d2ac90778154b783b8c367901d0dc994e849b.exe 82 PID 4512 wrote to memory of 2884 4512 522d2ac90778154b783b8c367901d0dc994e849b.exe 82 PID 4512 wrote to memory of 2792 4512 522d2ac90778154b783b8c367901d0dc994e849b.exe 84 PID 4512 wrote to memory of 2792 4512 522d2ac90778154b783b8c367901d0dc994e849b.exe 84 PID 4512 wrote to memory of 2792 4512 522d2ac90778154b783b8c367901d0dc994e849b.exe 84 PID 4512 wrote to memory of 2456 4512 522d2ac90778154b783b8c367901d0dc994e849b.exe 86 PID 4512 wrote to memory of 2456 4512 522d2ac90778154b783b8c367901d0dc994e849b.exe 86 PID 4512 wrote to memory of 2456 4512 522d2ac90778154b783b8c367901d0dc994e849b.exe 86 PID 4512 wrote to memory of 3332 4512 522d2ac90778154b783b8c367901d0dc994e849b.exe 88 PID 4512 wrote to memory of 3332 4512 522d2ac90778154b783b8c367901d0dc994e849b.exe 88 PID 4512 wrote to memory of 3332 4512 522d2ac90778154b783b8c367901d0dc994e849b.exe 88 PID 4512 wrote to memory of 3332 4512 522d2ac90778154b783b8c367901d0dc994e849b.exe 88 PID 4512 wrote to memory of 3332 4512 522d2ac90778154b783b8c367901d0dc994e849b.exe 88 PID 4512 wrote to memory of 3332 4512 522d2ac90778154b783b8c367901d0dc994e849b.exe 88 PID 4512 wrote to memory of 3332 4512 522d2ac90778154b783b8c367901d0dc994e849b.exe 88 PID 4512 wrote to memory of 3332 4512 522d2ac90778154b783b8c367901d0dc994e849b.exe 88 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 522d2ac90778154b783b8c367901d0dc994e849b.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 522d2ac90778154b783b8c367901d0dc994e849b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\522d2ac90778154b783b8c367901d0dc994e849b.exe"C:\Users\Admin\AppData\Local\Temp\522d2ac90778154b783b8c367901d0dc994e849b.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4512 -
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\522d2ac90778154b783b8c367901d0dc994e849b.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2884
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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\rYfUNaSeLEBFy.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2792
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rYfUNaSeLEBFy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp36B.tmp"2⤵
- Creates scheduled task(s)
PID:2456
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C:\Users\Admin\AppData\Local\Temp\522d2ac90778154b783b8c367901d0dc994e849b.exe"C:\Users\Admin\AppData\Local\Temp\522d2ac90778154b783b8c367901d0dc994e849b.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:3332
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5c2ea288f23825788b04826dce9149e91
SHA1c61f11e937d9b05045492d50a6c250896d7c1eed
SHA2560acbb2737eb456971d17b3042216a810313ea6c047a144068b35fe42571168b3
SHA512ed1aac3a8d438d38e5bba2e240842bfd4a55d980f9d4719cb1c58499badf802b542d7a3601b432450ba5f5cf085eded79aa7b4ac87289d0708edb08ae9e61c17
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Filesize
1KB
MD561e3b1c42c6b939f5d9dafb405cbc834
SHA182934d4f72500237e1234e87afb0f335a093ed94
SHA25691aad430a5e8d3c17181ab9545b39106af4358ed6f186281d2240b605097646c
SHA512d76d2da01a835c5408f33a8caa95de0a0e7ee51830d9333bceb85ac2e640796276593c49d38d466bb326dd804fbee856664918270dd3980c6f45101286def65e