Analysis
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max time kernel
113s -
max time network
119s -
platform
windows7_x64 -
resource
win7 -
submitted
09-07-2020 04:22
Static task
static1
Behavioral task
behavioral1
Sample
origincripted.exe
Resource
win7
Behavioral task
behavioral2
Sample
origincripted.exe
Resource
win10v200430
General
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Target
origincripted.exe
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Size
506KB
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MD5
6baf086ff9060abe74f2811b5b57383d
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SHA1
59d2057b920ca46326aa0f10b0437f49770a684b
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SHA256
2f82dffb6984064e3a865298818c2081de389fced1e4d98b12f2da014a74fcb9
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SHA512
c5d0a5efc21c08ecedc9832117ce4e5a8f65488723321845aa6087e3916db8968b8a7446abee6951ea2201528cd329d34c3c8a11d9ac16cd3c3e11b2d9833e0c
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.wolterfan.com - Port:
587 - Username:
[email protected] - Password:
@Mar123
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1512-1-0x00000000004AE0F0-mapping.dmp family_agenttesla behavioral1/memory/1512-3-0x0000000000400000-0x00000000004B0000-memory.dmp family_agenttesla behavioral1/memory/1512-4-0x0000000000390000-0x00000000003E2000-memory.dmp family_agenttesla behavioral1/memory/1512-6-0x0000000000230000-0x000000000027B000-memory.dmp family_agenttesla -
Processes:
resource yara_rule behavioral1/memory/1512-0-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral1/memory/1512-2-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral1/memory/1512-3-0x0000000000400000-0x00000000004B0000-memory.dmp upx -
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:
origincripted.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\CFMBUF = "C:\\Users\\Admin\\AppData\\Roaming\\CFMBUF\\CFMBUF.exe" origincripted.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
origincripted.exedescription pid process target process PID 1460 set thread context of 1512 1460 origincripted.exe origincripted.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
origincripted.exeorigincripted.exepid process 1460 origincripted.exe 1512 origincripted.exe 1512 origincripted.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
origincripted.exepid process 1460 origincripted.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
origincripted.exedescription pid process Token: SeDebugPrivilege 1512 origincripted.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
origincripted.exeorigincripted.exedescription pid process target process PID 1460 wrote to memory of 1512 1460 origincripted.exe origincripted.exe PID 1460 wrote to memory of 1512 1460 origincripted.exe origincripted.exe PID 1460 wrote to memory of 1512 1460 origincripted.exe origincripted.exe PID 1460 wrote to memory of 1512 1460 origincripted.exe origincripted.exe PID 1512 wrote to memory of 1796 1512 origincripted.exe netsh.exe PID 1512 wrote to memory of 1796 1512 origincripted.exe netsh.exe PID 1512 wrote to memory of 1796 1512 origincripted.exe netsh.exe PID 1512 wrote to memory of 1796 1512 origincripted.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\origincripted.exe"C:\Users\Admin\AppData\Local\Temp\origincripted.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\origincripted.exe"C:\Users\Admin\AppData\Local\Temp\origincripted.exe"2⤵
- Adds Run key to start application
- 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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memory/1512-0-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/1512-1-0x00000000004AE0F0-mapping.dmp
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memory/1512-2-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/1512-3-0x0000000000400000-0x00000000004B0000-memory.dmpFilesize
704KB
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memory/1512-4-0x0000000000390000-0x00000000003E2000-memory.dmpFilesize
328KB
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memory/1512-6-0x0000000000230000-0x000000000027B000-memory.dmpFilesize
300KB
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memory/1796-8-0x0000000000000000-mapping.dmp