Analysis
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max time kernel
103s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 04:20
Static task
static1
Behavioral task
behavioral1
Sample
M?u s?n ph?m.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
M?u s?n ph?m.exe
Resource
win10v2004-20220414-en
General
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Target
M?u s?n ph?m.exe
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Size
432KB
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MD5
4242ea562d08c84e8db284c9b3012c91
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SHA1
229ef54b5349c4c063a8e69a028281d5312c3a7d
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SHA256
935a6770543edd37e4ecf3dd41f5b99ac4b6ecbadc1ad195b6080f677c506cd3
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SHA512
4f104f59f83fe9bf5c7a856c8e778d025b0ae345f6c66d7eb4bfd88724096ee9508e7ffb50f4a6af2ba13e60a16155189e9b89daaa4e3aaf3f71b9f1a3bb258a
Malware Config
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/336-60-0x0000000004C10000-0x0000000004C5C000-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:
M_u s_n ph_m.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 M_u s_n ph_m.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 M_u s_n ph_m.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 M_u s_n ph_m.exe -
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.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
M_u s_n ph_m.exepid process 336 M_u s_n ph_m.exe 336 M_u s_n ph_m.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
M_u s_n ph_m.exedescription pid process Token: SeDebugPrivilege 336 M_u s_n ph_m.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
M_u s_n ph_m.exedescription pid process target process PID 336 wrote to memory of 1408 336 M_u s_n ph_m.exe schtasks.exe PID 336 wrote to memory of 1408 336 M_u s_n ph_m.exe schtasks.exe PID 336 wrote to memory of 1408 336 M_u s_n ph_m.exe schtasks.exe PID 336 wrote to memory of 1408 336 M_u s_n ph_m.exe schtasks.exe -
outlook_office_path 1 IoCs
Processes:
M_u s_n ph_m.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 M_u s_n ph_m.exe -
outlook_win_path 1 IoCs
Processes:
M_u s_n ph_m.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 M_u s_n ph_m.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\M_u s_n ph_m.exe"C:\Users\Admin\AppData\Local\Temp\M_u s_n ph_m.exe"1⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:336 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\auJflhRNYvBTp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE58F.tmp"2⤵
- Creates scheduled task(s)
PID:1408
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpE58F.tmpFilesize
1KB
MD5e3f6bda151f9922a5e830153a8b15928
SHA1c32df7fcff00d92941cfdf70d97798680720c08d
SHA2568d41390bfdc171579c17233d0431d8bd87f5e6d344507b5f05b060b95e077db7
SHA5126375e2a4a1e2c63cef30b0fcacdac61f852e27b6a4cb361ae3b6aa929cb3739b955973387d201bd2297d1713cde9b3061be2eb4499a52881a4a23b72b48332ca
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memory/336-54-0x0000000000280000-0x00000000002F2000-memory.dmpFilesize
456KB
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memory/336-55-0x0000000075711000-0x0000000075713000-memory.dmpFilesize
8KB
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memory/336-56-0x0000000000370000-0x0000000000380000-memory.dmpFilesize
64KB
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memory/336-57-0x0000000000520000-0x0000000000574000-memory.dmpFilesize
336KB
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memory/336-60-0x0000000004C10000-0x0000000004C5C000-memory.dmpFilesize
304KB
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memory/1408-58-0x0000000000000000-mapping.dmp