Analysis
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max time kernel
147s -
max time network
116s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
09-11-2020 20:23
Static task
static1
Behavioral task
behavioral1
Sample
Bank Details.pdf.iso.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
Bank Details.pdf.iso.exe
Resource
win10v20201028
General
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Target
Bank Details.pdf.iso.exe
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Size
521KB
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MD5
32b0333324cb7e09a5310ca329882779
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SHA1
3793cb0bcad49f89cb00a272f47bea318a137e8e
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SHA256
4fba937f1e8ae7eab73de2233f36e813fc2e4e889cbf5103f72ed642ba2e76c3
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SHA512
0202c00174eeb46d214362bd8eff7a4c7ed04b8d56d4f1bd6e2a6be48889aa00a0f37a78caa6ea7a6fbdaad1a016757ab459f88ab892dfafe936fe306cdf1675
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.logserver.ga - Port:
587 - Username:
201@logserver.ga - Password:
work2020
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.
Processes:
resource yara_rule behavioral2/memory/3936-9-0x0000000005110000-0x0000000005112000-memory.dmp coreentity -
AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/2476-12-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral2/memory/2476-13-0x000000000044C75E-mapping.dmp family_agenttesla -
Processes:
resource yara_rule behavioral2/memory/3936-10-0x0000000005380000-0x00000000053D3000-memory.dmp rezer0 -
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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Bank Details.pdf.iso.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\XPYkw = "C:\\Users\\Admin\\AppData\\Roaming\\XPYkw\\XPYkw.exe" Bank Details.pdf.iso.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Bank Details.pdf.iso.exedescription pid process target process PID 3936 set thread context of 2476 3936 Bank Details.pdf.iso.exe Bank Details.pdf.iso.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Bank Details.pdf.iso.exepid process 2476 Bank Details.pdf.iso.exe 2476 Bank Details.pdf.iso.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Bank Details.pdf.iso.exeBank Details.pdf.iso.exedescription pid process Token: SeDebugPrivilege 3936 Bank Details.pdf.iso.exe Token: SeDebugPrivilege 2476 Bank Details.pdf.iso.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Bank Details.pdf.iso.exepid process 2476 Bank Details.pdf.iso.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
Bank Details.pdf.iso.exeBank Details.pdf.iso.exedescription pid process target process PID 3936 wrote to memory of 2476 3936 Bank Details.pdf.iso.exe Bank Details.pdf.iso.exe PID 3936 wrote to memory of 2476 3936 Bank Details.pdf.iso.exe Bank Details.pdf.iso.exe PID 3936 wrote to memory of 2476 3936 Bank Details.pdf.iso.exe Bank Details.pdf.iso.exe PID 3936 wrote to memory of 2476 3936 Bank Details.pdf.iso.exe Bank Details.pdf.iso.exe PID 3936 wrote to memory of 2476 3936 Bank Details.pdf.iso.exe Bank Details.pdf.iso.exe PID 3936 wrote to memory of 2476 3936 Bank Details.pdf.iso.exe Bank Details.pdf.iso.exe PID 3936 wrote to memory of 2476 3936 Bank Details.pdf.iso.exe Bank Details.pdf.iso.exe PID 3936 wrote to memory of 2476 3936 Bank Details.pdf.iso.exe Bank Details.pdf.iso.exe PID 2476 wrote to memory of 3856 2476 Bank Details.pdf.iso.exe netsh.exe PID 2476 wrote to memory of 3856 2476 Bank Details.pdf.iso.exe netsh.exe PID 2476 wrote to memory of 3856 2476 Bank Details.pdf.iso.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Bank Details.pdf.iso.exe"C:\Users\Admin\AppData\Local\Temp\Bank Details.pdf.iso.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Bank Details.pdf.iso.exe"{path}"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- 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\Bank Details.pdf.iso.exe.logMD5
df5e4d5b51d7f383ba5952118373f00d
SHA14f66b6a5a5d79226c327833570315c1c299f9783
SHA2568309f1008720221269d7e532141f0df688df00959fae7d5ab46dd9ebef0fd1c7
SHA512cdbbcd33408126a2a4408cd8ae3113d930af993ac0f45f545101a2018aa2015b44b4559c6f742fa8b3b38366274fbb966346b0e11bc6cfa95861408e438069b3
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memory/2476-12-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/2476-21-0x0000000005B30000-0x0000000005B31000-memory.dmpFilesize
4KB
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memory/2476-20-0x0000000005070000-0x0000000005071000-memory.dmpFilesize
4KB
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memory/2476-15-0x0000000073300000-0x00000000739EE000-memory.dmpFilesize
6.9MB
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memory/2476-13-0x000000000044C75E-mapping.dmp
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memory/3856-22-0x0000000000000000-mapping.dmp
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memory/3936-7-0x00000000098D0000-0x00000000098D1000-memory.dmpFilesize
4KB
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memory/3936-11-0x00000000055B0000-0x00000000055B1000-memory.dmpFilesize
4KB
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memory/3936-10-0x0000000005380000-0x00000000053D3000-memory.dmpFilesize
332KB
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memory/3936-9-0x0000000005110000-0x0000000005112000-memory.dmpFilesize
8KB
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memory/3936-8-0x0000000005120000-0x0000000005121000-memory.dmpFilesize
4KB
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memory/3936-0-0x0000000073300000-0x00000000739EE000-memory.dmpFilesize
6.9MB
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memory/3936-4-0x0000000004FA0000-0x0000000004FA1000-memory.dmpFilesize
4KB
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memory/3936-3-0x00000000028F0000-0x000000000294A000-memory.dmpFilesize
360KB
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memory/3936-1-0x0000000000520000-0x0000000000521000-memory.dmpFilesize
4KB