Analysis
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max time kernel
135s -
max time network
140s -
platform
windows10_x64 -
resource
win10-en-20210920 -
submitted
22-10-2021 18:48
Static task
static1
Behavioral task
behavioral1
Sample
6908cd5efe5473c75c9f2fc4a0b71557.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
6908cd5efe5473c75c9f2fc4a0b71557.exe
Resource
win10-en-20210920
General
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Target
6908cd5efe5473c75c9f2fc4a0b71557.exe
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Size
736KB
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MD5
6908cd5efe5473c75c9f2fc4a0b71557
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SHA1
4e9bbcaf024a89dba6b9e2df0324b6903bdfa6f0
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SHA256
5db2f2a9d86b6af21d70f614d0d918f22febf3ec5915e05d83b1fa791e4917d6
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SHA512
bdfa188b32876f0f1fc0fa842fc964fcadedf024f2c10964e2fc093f2994d953ca7036c70c7d484c767a8d0a278c59ababb1ea851a1021bc7eb52beae5a47487
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.tccinfaes.com - Port:
587 - Username:
margaridasantos@tccinfaes.com - Password:
TccBps1427log
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/4492-124-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/4492-125-0x000000000043760E-mapping.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:
6908cd5efe5473c75c9f2fc4a0b71557.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 6908cd5efe5473c75c9f2fc4a0b71557.exe Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 6908cd5efe5473c75c9f2fc4a0b71557.exe Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 6908cd5efe5473c75c9f2fc4a0b71557.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
6908cd5efe5473c75c9f2fc4a0b71557.exedescription pid process target process PID 4280 set thread context of 4492 4280 6908cd5efe5473c75c9f2fc4a0b71557.exe 6908cd5efe5473c75c9f2fc4a0b71557.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
6908cd5efe5473c75c9f2fc4a0b71557.exepid process 4492 6908cd5efe5473c75c9f2fc4a0b71557.exe 4492 6908cd5efe5473c75c9f2fc4a0b71557.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
6908cd5efe5473c75c9f2fc4a0b71557.exedescription pid process Token: SeDebugPrivilege 4492 6908cd5efe5473c75c9f2fc4a0b71557.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
6908cd5efe5473c75c9f2fc4a0b71557.exedescription pid process target process PID 4280 wrote to memory of 4492 4280 6908cd5efe5473c75c9f2fc4a0b71557.exe 6908cd5efe5473c75c9f2fc4a0b71557.exe PID 4280 wrote to memory of 4492 4280 6908cd5efe5473c75c9f2fc4a0b71557.exe 6908cd5efe5473c75c9f2fc4a0b71557.exe PID 4280 wrote to memory of 4492 4280 6908cd5efe5473c75c9f2fc4a0b71557.exe 6908cd5efe5473c75c9f2fc4a0b71557.exe PID 4280 wrote to memory of 4492 4280 6908cd5efe5473c75c9f2fc4a0b71557.exe 6908cd5efe5473c75c9f2fc4a0b71557.exe PID 4280 wrote to memory of 4492 4280 6908cd5efe5473c75c9f2fc4a0b71557.exe 6908cd5efe5473c75c9f2fc4a0b71557.exe PID 4280 wrote to memory of 4492 4280 6908cd5efe5473c75c9f2fc4a0b71557.exe 6908cd5efe5473c75c9f2fc4a0b71557.exe PID 4280 wrote to memory of 4492 4280 6908cd5efe5473c75c9f2fc4a0b71557.exe 6908cd5efe5473c75c9f2fc4a0b71557.exe PID 4280 wrote to memory of 4492 4280 6908cd5efe5473c75c9f2fc4a0b71557.exe 6908cd5efe5473c75c9f2fc4a0b71557.exe -
outlook_office_path 1 IoCs
Processes:
6908cd5efe5473c75c9f2fc4a0b71557.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 6908cd5efe5473c75c9f2fc4a0b71557.exe -
outlook_win_path 1 IoCs
Processes:
6908cd5efe5473c75c9f2fc4a0b71557.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 6908cd5efe5473c75c9f2fc4a0b71557.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6908cd5efe5473c75c9f2fc4a0b71557.exe"C:\Users\Admin\AppData\Local\Temp\6908cd5efe5473c75c9f2fc4a0b71557.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\6908cd5efe5473c75c9f2fc4a0b71557.exe"C:\Users\Admin\AppData\Local\Temp\6908cd5efe5473c75c9f2fc4a0b71557.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\6908cd5efe5473c75c9f2fc4a0b71557.exe.logMD5
0c2899d7c6746f42d5bbe088c777f94c
SHA1622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1
SHA2565b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458
SHA512ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078
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memory/4280-122-0x0000000008B50000-0x0000000008B51000-memory.dmpFilesize
4KB
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memory/4280-118-0x0000000007860000-0x0000000007861000-memory.dmpFilesize
4KB
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memory/4280-119-0x0000000007820000-0x0000000007821000-memory.dmpFilesize
4KB
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memory/4280-120-0x0000000007780000-0x0000000007C7E000-memory.dmpFilesize
5.0MB
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memory/4280-121-0x0000000007B20000-0x0000000007B27000-memory.dmpFilesize
28KB
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memory/4280-115-0x0000000000A60000-0x0000000000A61000-memory.dmpFilesize
4KB
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memory/4280-123-0x000000000A0C0000-0x000000000A118000-memory.dmpFilesize
352KB
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memory/4280-117-0x0000000007C80000-0x0000000007C81000-memory.dmpFilesize
4KB
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memory/4492-124-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/4492-125-0x000000000043760E-mapping.dmp
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memory/4492-131-0x0000000005510000-0x0000000005511000-memory.dmpFilesize
4KB
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memory/4492-132-0x00000000059B0000-0x00000000059B1000-memory.dmpFilesize
4KB
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memory/4492-133-0x0000000006190000-0x0000000006191000-memory.dmpFilesize
4KB