Analysis
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max time kernel
121s -
max time network
123s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
26-11-2020 06:51
Static task
static1
Behavioral task
behavioral1
Sample
yNOCiwmRRMhHK0b.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
yNOCiwmRRMhHK0b.exe
Resource
win10v20201028
General
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Target
yNOCiwmRRMhHK0b.exe
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Size
650KB
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MD5
f0116ce38ca46cd783e2964f015e7bb2
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SHA1
05aed8fc62e0abc6907531dc72dc4262e9fb10f4
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SHA256
71e007a56e497f117c03e0e9eb8c8f4f6dc9028e63abaddce369def53afec29f
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SHA512
804c2b44cc98ee5cc199823745f619709246886fa4c773a7607bc424864ec624af5d58d897569b6eaecbda4bcb3b415d68a11266f0f1b9d31b5e284f3d536a8e
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
scojay@yandex.com - Password:
1994jaysco
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/1352-5-0x0000000000400000-0x0000000000466000-memory.dmp family_agenttesla behavioral1/memory/1352-6-0x0000000000460F7E-mapping.dmp family_agenttesla behavioral1/memory/1352-7-0x0000000000400000-0x0000000000466000-memory.dmp family_agenttesla behavioral1/memory/1352-8-0x0000000000400000-0x0000000000466000-memory.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:
yNOCiwmRRMhHK0b.exedescription pid process target process PID 308 set thread context of 1352 308 yNOCiwmRRMhHK0b.exe yNOCiwmRRMhHK0b.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
yNOCiwmRRMhHK0b.exepid process 1352 yNOCiwmRRMhHK0b.exe 1352 yNOCiwmRRMhHK0b.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
yNOCiwmRRMhHK0b.exedescription pid process Token: SeDebugPrivilege 1352 yNOCiwmRRMhHK0b.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
yNOCiwmRRMhHK0b.exedescription pid process target process PID 308 wrote to memory of 1352 308 yNOCiwmRRMhHK0b.exe yNOCiwmRRMhHK0b.exe PID 308 wrote to memory of 1352 308 yNOCiwmRRMhHK0b.exe yNOCiwmRRMhHK0b.exe PID 308 wrote to memory of 1352 308 yNOCiwmRRMhHK0b.exe yNOCiwmRRMhHK0b.exe PID 308 wrote to memory of 1352 308 yNOCiwmRRMhHK0b.exe yNOCiwmRRMhHK0b.exe PID 308 wrote to memory of 1352 308 yNOCiwmRRMhHK0b.exe yNOCiwmRRMhHK0b.exe PID 308 wrote to memory of 1352 308 yNOCiwmRRMhHK0b.exe yNOCiwmRRMhHK0b.exe PID 308 wrote to memory of 1352 308 yNOCiwmRRMhHK0b.exe yNOCiwmRRMhHK0b.exe PID 308 wrote to memory of 1352 308 yNOCiwmRRMhHK0b.exe yNOCiwmRRMhHK0b.exe PID 308 wrote to memory of 1352 308 yNOCiwmRRMhHK0b.exe yNOCiwmRRMhHK0b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\yNOCiwmRRMhHK0b.exe"C:\Users\Admin\AppData\Local\Temp\yNOCiwmRRMhHK0b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\yNOCiwmRRMhHK0b.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/308-0-0x00000000740C0000-0x00000000747AE000-memory.dmpFilesize
6.9MB
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memory/308-1-0x0000000000C00000-0x0000000000C01000-memory.dmpFilesize
4KB
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memory/308-3-0x0000000000460000-0x0000000000474000-memory.dmpFilesize
80KB
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memory/308-4-0x0000000008220000-0x00000000082AB000-memory.dmpFilesize
556KB
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memory/1352-5-0x0000000000400000-0x0000000000466000-memory.dmpFilesize
408KB
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memory/1352-6-0x0000000000460F7E-mapping.dmp
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memory/1352-7-0x0000000000400000-0x0000000000466000-memory.dmpFilesize
408KB
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memory/1352-8-0x0000000000400000-0x0000000000466000-memory.dmpFilesize
408KB
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memory/1352-9-0x00000000740C0000-0x00000000747AE000-memory.dmpFilesize
6.9MB