Analysis
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max time kernel
58s -
max time network
110s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
09-11-2020 19:38
Static task
static1
Behavioral task
behavioral1
Sample
A6563764.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
A6563764.exe
Resource
win10v20201028
General
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Target
A6563764.exe
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Size
506KB
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MD5
8f366af5c2c53e79ca0c9266f78579a5
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SHA1
49764c16ce6035d15ada170f1890066f1e376177
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SHA256
919b877e9c76be62e66d349905d10c8bff2613cb1d1b01ee39493dbdbc3b6c32
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SHA512
3c1829b0000769a8702ad299233e9cf26c33d3d9fac6cd6d47c7139ac45537bb470725f9977f7c3c0f2a07d2c71fa6408526e6e30fbe7ff90ed7a3d08b9afe94
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.mail.ru - Port:
587 - Username:
workbox1970@mail.ru - Password:
PZAM5i(h1ioy
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/1028-7-0x0000000002AD0000-0x0000000002AD3000-memory.dmp coreentity -
AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/396-10-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral2/memory/396-11-0x000000000044C81E-mapping.dmp family_agenttesla -
Processes:
resource yara_rule behavioral2/memory/1028-8-0x0000000009F90000-0x0000000009FE3000-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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Suspicious use of SetThreadContext 1 IoCs
Processes:
A6563764.exedescription pid process target process PID 1028 set thread context of 396 1028 A6563764.exe A6563764.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
A6563764.exeA6563764.exepid process 1028 A6563764.exe 1028 A6563764.exe 1028 A6563764.exe 396 A6563764.exe 396 A6563764.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
A6563764.exeA6563764.exedescription pid process Token: SeDebugPrivilege 1028 A6563764.exe Token: SeDebugPrivilege 396 A6563764.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
A6563764.exeA6563764.exedescription pid process target process PID 1028 wrote to memory of 396 1028 A6563764.exe A6563764.exe PID 1028 wrote to memory of 396 1028 A6563764.exe A6563764.exe PID 1028 wrote to memory of 396 1028 A6563764.exe A6563764.exe PID 1028 wrote to memory of 396 1028 A6563764.exe A6563764.exe PID 1028 wrote to memory of 396 1028 A6563764.exe A6563764.exe PID 1028 wrote to memory of 396 1028 A6563764.exe A6563764.exe PID 1028 wrote to memory of 396 1028 A6563764.exe A6563764.exe PID 1028 wrote to memory of 396 1028 A6563764.exe A6563764.exe PID 396 wrote to memory of 2116 396 A6563764.exe netsh.exe PID 396 wrote to memory of 2116 396 A6563764.exe netsh.exe PID 396 wrote to memory of 2116 396 A6563764.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\A6563764.exe"C:\Users\Admin\AppData\Local\Temp\A6563764.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\A6563764.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\A6563764.exe.logMD5
b4f7a6a57cb46d94b72410eb6a6d45a9
SHA169f3596ffa027202d391444b769ceea0ae14c5f7
SHA25623994ebe221a48ea16ebad51ae0d4b47ccd415ae10581f9405e588d4f6c2523b
SHA512be6da516e54c3a5b33ac2603137a2f8cf8445ff5961dd266faedf3627bae8979953d7ef305538df0151c609917a5b99bf5d023bdd32de50fd5c723950f90db5c
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memory/396-10-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/396-19-0x00000000063B0000-0x00000000063B1000-memory.dmpFilesize
4KB
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memory/396-18-0x00000000058F0000-0x00000000058F1000-memory.dmpFilesize
4KB
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memory/396-13-0x0000000073EE0000-0x00000000745CE000-memory.dmpFilesize
6.9MB
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memory/396-11-0x000000000044C81E-mapping.dmp
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memory/1028-5-0x0000000007BD0000-0x0000000007BD1000-memory.dmpFilesize
4KB
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memory/1028-8-0x0000000009F90000-0x0000000009FE3000-memory.dmpFilesize
332KB
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memory/1028-9-0x000000000A090000-0x000000000A091000-memory.dmpFilesize
4KB
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memory/1028-7-0x0000000002AD0000-0x0000000002AD3000-memory.dmpFilesize
12KB
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memory/1028-6-0x0000000007B50000-0x0000000007B51000-memory.dmpFilesize
4KB
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memory/1028-0-0x0000000073EE0000-0x00000000745CE000-memory.dmpFilesize
6.9MB
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memory/1028-4-0x0000000007EB0000-0x0000000007EB1000-memory.dmpFilesize
4KB
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memory/1028-3-0x0000000005130000-0x000000000518D000-memory.dmpFilesize
372KB
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memory/1028-1-0x00000000008D0000-0x00000000008D1000-memory.dmpFilesize
4KB
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memory/2116-20-0x0000000000000000-mapping.dmp