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Analysis
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max time kernel
62s -
max time network
75s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
26/10/2022, 18:00
Static task
static1
Behavioral task
behavioral1
Sample
bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303.exe
Resource
win10-20220812-en
General
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Target
bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303.exe
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Size
975KB
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MD5
cd9d173c47be216dbfc18aa88972cc7d
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SHA1
620130b3213f5c636a3f3176697ac0b70ef366fd
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SHA256
bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303
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SHA512
216bc84b8d542b0ac7187ffc91d09ec3beef432b3e52d0324742aee3b17d3142d87d54f146a90b175ed9dd524591217413d37b60d9fbd8fa4ce39e4e4ee39e55
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SSDEEP
12288:oHDH/VsMkDvYHPCKTpKYq8nopsgPoauy3ViwFe+ZfBNpYLo0H9DI/GFlx/:s7VsDkqKl7znoTA0EwsCBNp8on/Wlx
Malware Config
Extracted
Protocol: ftp- Host:
ftp.valvulasthermovalve.cl - Port:
21 - Username:
[email protected] - Password:
LILKOOLL14!!
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.valvulasthermovalve.cl/ - Port:
21 - Username:
[email protected] - Password:
LILKOOLL14!!
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-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303.exe Key opened \REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303.exe Key opened \REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2708 set thread context of 2200 2708 bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303.exe 67 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2200 bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303.exe 2200 bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2200 bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2708 wrote to memory of 2200 2708 bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303.exe 67 PID 2708 wrote to memory of 2200 2708 bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303.exe 67 PID 2708 wrote to memory of 2200 2708 bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303.exe 67 PID 2708 wrote to memory of 2200 2708 bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303.exe 67 PID 2708 wrote to memory of 2200 2708 bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303.exe 67 PID 2708 wrote to memory of 2200 2708 bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303.exe 67 PID 2708 wrote to memory of 2200 2708 bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303.exe 67 PID 2708 wrote to memory of 2200 2708 bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303.exe 67 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303.exe"C:\Users\Admin\AppData\Local\Temp\bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2708 -
C:\Users\Admin\AppData\Local\Temp\bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303.exe"C:\Users\Admin\AppData\Local\Temp\bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2200
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\bc1bea4f587d11c75adde46b9a53d5cd33d22928f899eccd004f23754ce98303.exe.log
Filesize1KB
MD50c2899d7c6746f42d5bbe088c777f94c
SHA1622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1
SHA2565b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458
SHA512ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078