Analysis
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max time kernel
152s -
max time network
152s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
09-11-2020 19:38
General
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Target
FATTURA E CONSEGNE.exe
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Size
509KB
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MD5
c3e5e47de044708a5db025ee0ce0a5e0
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SHA1
267099acf5da2bd39600802e11e8f8987659d5e1
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SHA256
69fd444f0eb7bb59be2d6c832b345ec4ba7dfbb1195611770339f43cfd4bd19c
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SHA512
28635b697cb8d8f926418b273c20820c331e1735e719e42d7fec4bd88bdff11fe0cad23ef698ffb1be2a471a3b76c52b03a6e8a0a0cc62684b9bb3bb4335858c
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.fridec.com - Port:
587 - Username:
montse.varas@fridec.com - Password:
@zOmvs]eL!$*
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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CoreEntity .NET Packer 1 IoCs
A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.
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AgentTesla Payload 2 IoCs
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rezer0 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
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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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Suspicious use of SetThreadContext 1 IoCs
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Suspicious behavior: EnumeratesProcesses 5 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\FATTURA E CONSEGNE.exe"C:\Users\Admin\AppData\Local\Temp\FATTURA E CONSEGNE.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\FATTURA E CONSEGNE.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
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\FATTURA E CONSEGNE.exe.logMD5
b4f7a6a57cb46d94b72410eb6a6d45a9
SHA169f3596ffa027202d391444b769ceea0ae14c5f7
SHA25623994ebe221a48ea16ebad51ae0d4b47ccd415ae10581f9405e588d4f6c2523b
SHA512be6da516e54c3a5b33ac2603137a2f8cf8445ff5961dd266faedf3627bae8979953d7ef305538df0151c609917a5b99bf5d023bdd32de50fd5c723950f90db5c
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memory/580-9-0x000000000A490000-0x000000000A491000-memory.dmpFilesize
4KB
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memory/580-1-0x0000000000D20000-0x0000000000D21000-memory.dmpFilesize
4KB
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memory/580-4-0x0000000008350000-0x0000000008351000-memory.dmpFilesize
4KB
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memory/580-5-0x0000000007FF0000-0x0000000007FF1000-memory.dmpFilesize
4KB
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memory/580-6-0x0000000005070000-0x0000000005071000-memory.dmpFilesize
4KB
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memory/580-7-0x0000000007FE0000-0x0000000007FE3000-memory.dmpFilesize
12KB
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memory/580-3-0x0000000005670000-0x00000000056CE000-memory.dmpFilesize
376KB
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memory/580-0-0x0000000073F80000-0x000000007466E000-memory.dmpFilesize
6.9MB
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memory/580-8-0x000000000A380000-0x000000000A3D3000-memory.dmpFilesize
332KB
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memory/1616-21-0x0000000000000000-mapping.dmp
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memory/2408-10-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/2408-11-0x000000000044C94E-mapping.dmp
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memory/2408-14-0x0000000073F80000-0x000000007466E000-memory.dmpFilesize
6.9MB
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memory/2408-19-0x0000000005A10000-0x0000000005A11000-memory.dmpFilesize
4KB
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memory/2408-20-0x00000000064C0000-0x00000000064C1000-memory.dmpFilesize
4KB