Analysis
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max time kernel
112s -
max time network
118s -
platform
windows7_x64 -
resource
win7 -
submitted
31-07-2020 13:40
Static task
static1
Behavioral task
behavioral1
Sample
Shipment Document BL INV and Packing list Attached.exe
Resource
win7
Behavioral task
behavioral2
Sample
Shipment Document BL INV and Packing list Attached.exe
Resource
win10v200722
General
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Target
Shipment Document BL INV and Packing list Attached.exe
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Size
641KB
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MD5
2c0979106f8289a6bd62cade3af2445e
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SHA1
0d632ae33206a89914a30f2db54ac4c2fb5e77d5
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SHA256
c76eb44cecc21c33fb6f61db8ed02e9d0a560f988e9bafb1c9fff5164afb2cb8
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SHA512
afb0104591c8570abda324e98042dd30ab29129b72af9c64359b314be6627925802e6fce300acb78290dd68df9b3783463b498514ab2e2d1e04d537953cb5961
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.mitravet.com - Port:
587 - Username:
mv@mitravet.com - Password:
tunasushIsashim1
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/660-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/660-5-0x000000000044733E-mapping.dmp family_agenttesla behavioral1/memory/660-7-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/660-8-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Executes dropped EXE 1 IoCs
Processes:
InstallUtil.exepid process 660 InstallUtil.exe -
Loads dropped DLL 1 IoCs
Processes:
Shipment Document BL INV and Packing list Attached.exepid process 1328 Shipment Document BL INV and Packing list Attached.exe -
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:
Shipment Document BL INV and Packing list Attached.exedescription pid process target process PID 1328 set thread context of 660 1328 Shipment Document BL INV and Packing list Attached.exe InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
Shipment Document BL INV and Packing list Attached.exeInstallUtil.exepid process 1328 Shipment Document BL INV and Packing list Attached.exe 1328 Shipment Document BL INV and Packing list Attached.exe 1328 Shipment Document BL INV and Packing list Attached.exe 660 InstallUtil.exe 660 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Shipment Document BL INV and Packing list Attached.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 1328 Shipment Document BL INV and Packing list Attached.exe Token: SeDebugPrivilege 660 InstallUtil.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
Shipment Document BL INV and Packing list Attached.exedescription pid process target process PID 1328 wrote to memory of 660 1328 Shipment Document BL INV and Packing list Attached.exe InstallUtil.exe PID 1328 wrote to memory of 660 1328 Shipment Document BL INV and Packing list Attached.exe InstallUtil.exe PID 1328 wrote to memory of 660 1328 Shipment Document BL INV and Packing list Attached.exe InstallUtil.exe PID 1328 wrote to memory of 660 1328 Shipment Document BL INV and Packing list Attached.exe InstallUtil.exe PID 1328 wrote to memory of 660 1328 Shipment Document BL INV and Packing list Attached.exe InstallUtil.exe PID 1328 wrote to memory of 660 1328 Shipment Document BL INV and Packing list Attached.exe InstallUtil.exe PID 1328 wrote to memory of 660 1328 Shipment Document BL INV and Packing list Attached.exe InstallUtil.exe PID 1328 wrote to memory of 660 1328 Shipment Document BL INV and Packing list Attached.exe InstallUtil.exe PID 1328 wrote to memory of 660 1328 Shipment Document BL INV and Packing list Attached.exe InstallUtil.exe PID 1328 wrote to memory of 660 1328 Shipment Document BL INV and Packing list Attached.exe InstallUtil.exe PID 1328 wrote to memory of 660 1328 Shipment Document BL INV and Packing list Attached.exe InstallUtil.exe PID 1328 wrote to memory of 660 1328 Shipment Document BL INV and Packing list Attached.exe InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Shipment Document BL INV and Packing list Attached.exe"C:\Users\Admin\AppData\Local\Temp\Shipment Document BL INV and Packing list Attached.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"2⤵
- Executes dropped EXE
- 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\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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\Users\Admin\AppData\Local\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
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memory/660-4-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/660-5-0x000000000044733E-mapping.dmp
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memory/660-7-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/660-8-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1328-1-0x0000000000000000-0x0000000000000000-disk.dmp