Analysis
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max time kernel
124s -
max time network
125s -
platform
windows10_x64 -
resource
win10 -
submitted
30-06-2020 13:24
Static task
static1
Behavioral task
behavioral1
Sample
Invoice_33748.exe
Resource
win7
Behavioral task
behavioral2
Sample
Invoice_33748.exe
Resource
win10
General
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Target
Invoice_33748.exe
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Size
413KB
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MD5
1526bf783e32b08409639b9cefb0ff08
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SHA1
a921eba7d983bcb181d0bb224c91ef64769021e7
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SHA256
7b888494d9279f87b3b2a69e11fa5a68efa06bc86522d02764382da220396861
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SHA512
37375425a49e2fcfe4df6ec1cfa2f4837b9cdd2c163a16de8b7fb2bb067a687f0d2e29b4850b1ab5271e3483cfc2863356f399f2e240eab7a42c7b2071a4fe28
Malware Config
Extracted
Protocol: smtp- Host:
webmail.uteshiyamedicare.com - Port:
587 - Username:
info@uteshiyamedicare.com - Password:
info111@
Extracted
agenttesla
Protocol: smtp- Host:
webmail.uteshiyamedicare.com - Port:
587 - Username:
info@uteshiyamedicare.com - Password:
info111@
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/3852-0-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral2/memory/3852-1-0x00000000004471EE-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:
Invoice_33748.exedescription pid process target process PID 3100 set thread context of 3852 3100 Invoice_33748.exe Invoice_33748.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Invoice_33748.exepid process 3852 Invoice_33748.exe 3852 Invoice_33748.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Invoice_33748.exedescription pid process Token: SeDebugPrivilege 3852 Invoice_33748.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Invoice_33748.exepid process 3852 Invoice_33748.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Invoice_33748.exedescription pid process target process PID 3100 wrote to memory of 3852 3100 Invoice_33748.exe Invoice_33748.exe PID 3100 wrote to memory of 3852 3100 Invoice_33748.exe Invoice_33748.exe PID 3100 wrote to memory of 3852 3100 Invoice_33748.exe Invoice_33748.exe PID 3100 wrote to memory of 3852 3100 Invoice_33748.exe Invoice_33748.exe PID 3100 wrote to memory of 3852 3100 Invoice_33748.exe Invoice_33748.exe PID 3100 wrote to memory of 3852 3100 Invoice_33748.exe Invoice_33748.exe PID 3100 wrote to memory of 3852 3100 Invoice_33748.exe Invoice_33748.exe PID 3100 wrote to memory of 3852 3100 Invoice_33748.exe Invoice_33748.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Invoice_33748.exe"C:\Users\Admin\AppData\Local\Temp\Invoice_33748.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Invoice_33748.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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_v2.0_32\UsageLogs\Invoice_33748.exe.logMD5
3753b01eddc20f64178eaf3d55b5c146
SHA1ca50665940eb8519e1df0c1f185fb72a271c2a66
SHA25699096651b1d9b4a7562f56c8e42c06d1166f7f22a93816e2862317ada8154b37
SHA512566366e651e94fab25454fb0199508cd62a64723137b32fbd5bee531110403d9194b9a4fc053740c571a69e820c1c72e48d65fc3a5410a22b6ae9d2e55508bf3
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memory/3852-0-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/3852-1-0x00000000004471EE-mapping.dmp