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Analysis
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max time kernel
148s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
18/05/2023, 02:01
Static task
static1
Behavioral task
behavioral1
Sample
recibo de pago OC456337.jpg.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
recibo de pago OC456337.jpg.exe
Resource
win10v2004-20230220-en
General
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Target
recibo de pago OC456337.jpg.exe
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Size
592KB
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MD5
3461fd2c8482af651b818f61dd049e42
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SHA1
b4dc69de92f2cf210c615e6ec506d3a1d21aa777
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SHA256
3a33384b0027c321a9643ba9428d7227aa6b4401e3882f91cc93539590500411
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SHA512
d18de0295cacc0286b65eb90202b8f0d4cedf233e552c4c13e48b092014ddb2a955203a0d6f8fa080388cd384703c75ad8a029cf1e5378559a5e5ec827655bcc
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SSDEEP
12288:Cf2iNeUDMY+SnwYmTzsht19PL3MyE+q8IZroJWURe/hN2dVzXYt:Cf1AUDX+RFshbJ8yE+iFoJWEeZN2dxY
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.corpsa.net - Port:
587 - Username:
[email protected] - Password:
[+{mHgVpgTGe - 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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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-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 recibo de pago OC456337.jpg.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 recibo de pago OC456337.jpg.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 recibo de pago OC456337.jpg.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1008 set thread context of 3836 1008 recibo de pago OC456337.jpg.exe 85 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3836 recibo de pago OC456337.jpg.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1008 wrote to memory of 3836 1008 recibo de pago OC456337.jpg.exe 85 PID 1008 wrote to memory of 3836 1008 recibo de pago OC456337.jpg.exe 85 PID 1008 wrote to memory of 3836 1008 recibo de pago OC456337.jpg.exe 85 PID 1008 wrote to memory of 3836 1008 recibo de pago OC456337.jpg.exe 85 PID 1008 wrote to memory of 3836 1008 recibo de pago OC456337.jpg.exe 85 PID 1008 wrote to memory of 3836 1008 recibo de pago OC456337.jpg.exe 85 PID 1008 wrote to memory of 3836 1008 recibo de pago OC456337.jpg.exe 85 PID 1008 wrote to memory of 3836 1008 recibo de pago OC456337.jpg.exe 85 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 recibo de pago OC456337.jpg.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 recibo de pago OC456337.jpg.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\recibo de pago OC456337.jpg.exe"C:\Users\Admin\AppData\Local\Temp\recibo de pago OC456337.jpg.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1008 -
C:\Users\Admin\AppData\Local\Temp\recibo de pago OC456337.jpg.exe"C:\Users\Admin\AppData\Local\Temp\recibo de pago OC456337.jpg.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3836
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3