Analysis
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max time kernel
150s -
max time network
110s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
27-01-2021 14:52
Static task
static1
Behavioral task
behavioral1
Sample
MT 103.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
MT 103.exe
Resource
win10v20201028
General
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Target
MT 103.exe
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Size
615KB
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MD5
4672f4c82e362f8fa602a273b82b2d2c
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SHA1
870e7f55eeb4caf63422e8260e25bbda34cbb4d5
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SHA256
c964743f18f47032f7b0cbfa7467b310927bb44813bd7861d4c85d55d6f34590
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SHA512
14444e0a52543742f683b0f139d6a1fbbafdbc301275383ffe8b2976e16a0ecf6be25db58e331fac20685de991e40b8dca59eb04ca859b6fbdfc3b6fcb8e0f18
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.vivaldi.net - Port:
587 - Username:
[email protected] - Password:
Password@123456789
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/3024-13-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/3024-14-0x000000000043748E-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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Suspicious use of SetThreadContext 1 IoCs
Processes:
MT 103.exedescription pid process target process PID 860 set thread context of 3024 860 MT 103.exe MT 103.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
MT 103.exepid process 3024 MT 103.exe 3024 MT 103.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MT 103.exedescription pid process Token: SeDebugPrivilege 3024 MT 103.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
MT 103.exedescription pid process target process PID 860 wrote to memory of 3024 860 MT 103.exe MT 103.exe PID 860 wrote to memory of 3024 860 MT 103.exe MT 103.exe PID 860 wrote to memory of 3024 860 MT 103.exe MT 103.exe PID 860 wrote to memory of 3024 860 MT 103.exe MT 103.exe PID 860 wrote to memory of 3024 860 MT 103.exe MT 103.exe PID 860 wrote to memory of 3024 860 MT 103.exe MT 103.exe PID 860 wrote to memory of 3024 860 MT 103.exe MT 103.exe PID 860 wrote to memory of 3024 860 MT 103.exe MT 103.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\MT 103.exe"C:\Users\Admin\AppData\Local\Temp\MT 103.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\MT 103.exe"C:\Users\Admin\AppData\Local\Temp\MT 103.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\MT 103.exe.logMD5
90acfd72f14a512712b1a7380c0faf60
SHA140ba4accb8faa75887e84fb8e38d598dc8cf0f12
SHA25620806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86
SHA51229dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9
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memory/860-7-0x0000000005870000-0x0000000005871000-memory.dmpFilesize
4KB
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memory/860-8-0x00000000056F0000-0x00000000056F1000-memory.dmpFilesize
4KB
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memory/860-12-0x0000000006470000-0x00000000064D9000-memory.dmpFilesize
420KB
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memory/860-2-0x0000000074070000-0x000000007475E000-memory.dmpFilesize
6.9MB
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memory/860-3-0x0000000000D10000-0x0000000000D11000-memory.dmpFilesize
4KB
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memory/860-9-0x00000000059D0000-0x00000000059D1000-memory.dmpFilesize
4KB
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memory/860-10-0x0000000005A30000-0x0000000005A31000-memory.dmpFilesize
4KB
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memory/860-11-0x0000000005B30000-0x0000000005B33000-memory.dmpFilesize
12KB
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memory/860-6-0x0000000005D70000-0x0000000005D71000-memory.dmpFilesize
4KB
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memory/860-5-0x00000000057D0000-0x00000000057D1000-memory.dmpFilesize
4KB
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memory/3024-14-0x000000000043748E-mapping.dmp
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memory/3024-13-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3024-16-0x0000000074070000-0x000000007475E000-memory.dmpFilesize
6.9MB
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memory/3024-21-0x0000000005720000-0x0000000005721000-memory.dmpFilesize
4KB
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memory/3024-22-0x0000000005700000-0x0000000005701000-memory.dmpFilesize
4KB
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memory/3024-23-0x00000000061B0000-0x00000000061B1000-memory.dmpFilesize
4KB
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memory/3024-26-0x0000000005721000-0x0000000005722000-memory.dmpFilesize
4KB