Analysis
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max time kernel
117s -
max time network
124s -
platform
windows7_x64 -
resource
win7 -
submitted
09-07-2020 08:38
Static task
static1
Behavioral task
behavioral1
Sample
RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe
Resource
win7
Behavioral task
behavioral2
Sample
RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe
Resource
win10v200430
General
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Target
RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe
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Size
515KB
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MD5
b338d235f56a4e4d560dc5984531d02e
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SHA1
a12ce76f69be3397ac2636e3e2b06fd82715bf2e
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SHA256
c13a9fe750e9c765f6e9b8d5ac7de574ee533743261bd070c32054cd197bdf41
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SHA512
1673aba3e1921f93f9066803143ad32257b5942209040c95ef8b0705a9e2aec7f64f3bd47d5f933f014b128ee51c0b63a2a30c9ec6e5a3e8583913ba89fdd98d
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
chukwudi123
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/736-2-0x0000000000400000-0x000000000044E000-memory.dmp family_agenttesla behavioral1/memory/736-3-0x0000000000449E3E-mapping.dmp family_agenttesla behavioral1/memory/736-4-0x0000000000400000-0x000000000044E000-memory.dmp family_agenttesla behavioral1/memory/736-5-0x0000000000400000-0x000000000044E000-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:
RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exedescription pid process target process PID 1464 set thread context of 736 1464 RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exeRFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exepid process 1464 RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe 736 RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe 736 RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exeRFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exedescription pid process Token: SeDebugPrivilege 1464 RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe Token: SeDebugPrivilege 736 RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exedescription pid process target process PID 1464 wrote to memory of 336 1464 RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe PID 1464 wrote to memory of 336 1464 RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe PID 1464 wrote to memory of 336 1464 RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe PID 1464 wrote to memory of 336 1464 RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe PID 1464 wrote to memory of 736 1464 RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe PID 1464 wrote to memory of 736 1464 RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe PID 1464 wrote to memory of 736 1464 RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe PID 1464 wrote to memory of 736 1464 RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe PID 1464 wrote to memory of 736 1464 RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe PID 1464 wrote to memory of 736 1464 RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe PID 1464 wrote to memory of 736 1464 RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe PID 1464 wrote to memory of 736 1464 RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe PID 1464 wrote to memory of 736 1464 RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe"C:\Users\Admin\AppData\Local\Temp\RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1464 -
C:\Users\Admin\AppData\Local\Temp\RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe"{path}"2⤵PID:336
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C:\Users\Admin\AppData\Local\Temp\RFQ_Section_III_Returnable Bidding Forms - IUS-UWS-SAN -0112.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:736