Analysis
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max time kernel
125s -
max time network
125s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
21-10-2021 05:52
Static task
static1
Behavioral task
behavioral1
Sample
Swift USD PDF.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
Swift USD PDF.exe
Resource
win10-en-20210920
General
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Target
Swift USD PDF.exe
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Size
481KB
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MD5
f555598e6d0fb4e9c913b75080db2227
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SHA1
7de938e7c00fe91c58519495615642dbd081fd94
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SHA256
02e1afef37de9e6f85db592f56f13691548c8f796127e0d2c227c4f65b0033fc
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SHA512
0c41f745e9791abde693d447776747ff13f9e0640328813a9e1bda913428923ea8333868e8a39fa3322ea9d0adbb1d4e400c06e6e224e4de25c0492acbbdc244
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.ru - Port:
587 - Username:
[email protected] - Password:
Ablegod123456
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/4484-124-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/4484-125-0x000000000043765E-mapping.dmp family_agenttesla behavioral2/memory/4484-131-0x0000000005300000-0x00000000057FE000-memory.dmp family_agenttesla -
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
Processes:
Swift USD PDF.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Swift USD PDF.exe Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Swift USD PDF.exe Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Swift USD PDF.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Swift USD PDF.exedescription pid process target process PID 3612 set thread context of 4484 3612 Swift USD PDF.exe Swift USD PDF.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Swift USD PDF.exepid process 4484 Swift USD PDF.exe 4484 Swift USD PDF.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Swift USD PDF.exedescription pid process Token: SeDebugPrivilege 4484 Swift USD PDF.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Swift USD PDF.exedescription pid process target process PID 3612 wrote to memory of 4484 3612 Swift USD PDF.exe Swift USD PDF.exe PID 3612 wrote to memory of 4484 3612 Swift USD PDF.exe Swift USD PDF.exe PID 3612 wrote to memory of 4484 3612 Swift USD PDF.exe Swift USD PDF.exe PID 3612 wrote to memory of 4484 3612 Swift USD PDF.exe Swift USD PDF.exe PID 3612 wrote to memory of 4484 3612 Swift USD PDF.exe Swift USD PDF.exe PID 3612 wrote to memory of 4484 3612 Swift USD PDF.exe Swift USD PDF.exe PID 3612 wrote to memory of 4484 3612 Swift USD PDF.exe Swift USD PDF.exe PID 3612 wrote to memory of 4484 3612 Swift USD PDF.exe Swift USD PDF.exe -
outlook_office_path 1 IoCs
Processes:
Swift USD PDF.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Swift USD PDF.exe -
outlook_win_path 1 IoCs
Processes:
Swift USD PDF.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Swift USD PDF.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Swift USD PDF.exe"C:\Users\Admin\AppData\Local\Temp\Swift USD PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Swift USD PDF.exe"C:\Users\Admin\AppData\Local\Temp\Swift USD PDF.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Swift USD PDF.exe.logMD5
0c2899d7c6746f42d5bbe088c777f94c
SHA1622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1
SHA2565b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458
SHA512ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078
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memory/3612-122-0x0000000006290000-0x0000000006291000-memory.dmpFilesize
4KB
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memory/3612-118-0x0000000005550000-0x0000000005551000-memory.dmpFilesize
4KB
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memory/3612-119-0x0000000005540000-0x0000000005541000-memory.dmpFilesize
4KB
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memory/3612-120-0x0000000005960000-0x0000000005967000-memory.dmpFilesize
28KB
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memory/3612-121-0x00000000054B0000-0x00000000059AE000-memory.dmpFilesize
5.0MB
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memory/3612-115-0x0000000000C70000-0x0000000000C71000-memory.dmpFilesize
4KB
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memory/3612-123-0x0000000006330000-0x0000000006388000-memory.dmpFilesize
352KB
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memory/3612-117-0x00000000059B0000-0x00000000059B1000-memory.dmpFilesize
4KB
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memory/4484-124-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/4484-125-0x000000000043765E-mapping.dmp
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memory/4484-131-0x0000000005300000-0x00000000057FE000-memory.dmpFilesize
5.0MB
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memory/4484-132-0x00000000057A0000-0x00000000057A1000-memory.dmpFilesize
4KB
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memory/4484-133-0x0000000006060000-0x0000000006061000-memory.dmpFilesize
4KB