Analysis
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max time kernel
150s -
max time network
129s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
12-04-2021 06:07
Static task
static1
Behavioral task
behavioral1
Sample
NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe
Resource
win10v20201028
General
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Target
NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe
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Size
704KB
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MD5
c96b1f4dc1a2a841743b670d775c9466
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SHA1
81ca2259f3933734542cbcb4d5393d4878f41a66
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SHA256
83c0e817f62582a3e6aa5f20d6cb6738588f8bd7a3d076f6d174ac1b10bbe8c4
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SHA512
295342ae9cca7dd33ee9bbd380fc070d2a351f9ffa37428879b4e6fd72b5f6ae2bcdb52faaa2cee62a3c1e446c71f9ee43e8c8fded35f4a90fc06dd492b195f4
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.privateemail.com - Port:
587 - Username:
eammorris@askoblue.com - Password:
zQHG#uz5
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/2240-150-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/2240-151-0x000000000043761E-mapping.dmp family_agenttesla -
Executes dropped EXE 2 IoCs
Processes:
FILES.exeInstallUtil.exepid process 1576 FILES.exe 2240 InstallUtil.exe -
Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
Processes:
resource yara_rule behavioral2/memory/3920-122-0x0000000006D00000-0x0000000006D21000-memory.dmp agile_net -
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 2 IoCs
Processes:
reg.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run reg.exe Set value (str) \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\FILES = "C:\\Users\\Admin\\AppData\\Roaming\\FILES.exe" reg.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
FILES.exedescription pid process target process PID 1576 set thread context of 2240 1576 FILES.exe InstallUtil.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Modifies registry class 1 IoCs
Processes:
FILES.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000_Classes\Local Settings FILES.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1244 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 21 IoCs
Processes:
NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exeFILES.exeInstallUtil.exepid process 3920 NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe 3920 NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe 3920 NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe 3920 NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe 3920 NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe 3920 NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe 3920 NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe 3920 NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe 3920 NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe 3920 NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe 3920 NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe 3920 NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe 3920 NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe 3920 NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe 3920 NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe 3920 NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe 3920 NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe 1576 FILES.exe 1576 FILES.exe 2240 InstallUtil.exe 2240 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exeFILES.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 3920 NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe Token: SeDebugPrivilege 1576 FILES.exe Token: SeDebugPrivilege 2240 InstallUtil.exe -
Suspicious use of SetWindowsHookEx 13 IoCs
Processes:
EXCEL.EXEInstallUtil.exepid process 1244 EXCEL.EXE 1244 EXCEL.EXE 1244 EXCEL.EXE 1244 EXCEL.EXE 1244 EXCEL.EXE 1244 EXCEL.EXE 1244 EXCEL.EXE 1244 EXCEL.EXE 1244 EXCEL.EXE 1244 EXCEL.EXE 1244 EXCEL.EXE 1244 EXCEL.EXE 2240 InstallUtil.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.execmd.exeFILES.exedescription pid process target process PID 3920 wrote to memory of 932 3920 NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe cmd.exe PID 3920 wrote to memory of 932 3920 NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe cmd.exe PID 3920 wrote to memory of 932 3920 NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe cmd.exe PID 932 wrote to memory of 3764 932 cmd.exe reg.exe PID 932 wrote to memory of 3764 932 cmd.exe reg.exe PID 932 wrote to memory of 3764 932 cmd.exe reg.exe PID 3920 wrote to memory of 1576 3920 NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe FILES.exe PID 3920 wrote to memory of 1576 3920 NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe FILES.exe PID 3920 wrote to memory of 1576 3920 NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe FILES.exe PID 1576 wrote to memory of 1244 1576 FILES.exe EXCEL.EXE PID 1576 wrote to memory of 1244 1576 FILES.exe EXCEL.EXE PID 1576 wrote to memory of 1244 1576 FILES.exe EXCEL.EXE PID 1576 wrote to memory of 2240 1576 FILES.exe InstallUtil.exe PID 1576 wrote to memory of 2240 1576 FILES.exe InstallUtil.exe PID 1576 wrote to memory of 2240 1576 FILES.exe InstallUtil.exe PID 1576 wrote to memory of 2240 1576 FILES.exe InstallUtil.exe PID 1576 wrote to memory of 2240 1576 FILES.exe InstallUtil.exe PID 1576 wrote to memory of 2240 1576 FILES.exe InstallUtil.exe PID 1576 wrote to memory of 2240 1576 FILES.exe InstallUtil.exe PID 1576 wrote to memory of 2240 1576 FILES.exe InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe"C:\Users\Admin\AppData\Local\Temp\NEWQUOTATIONs#280321_RFQ_PRODUCTS_ENQUIRY_TRINITY_VIETNAM_CO.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "FILES" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\FILES.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "FILES" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\FILES.exe"3⤵
- Adds Run key to start application
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C:\Users\Admin\AppData\Roaming\FILES.exe"C:\Users\Admin\AppData\Roaming\FILES.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Roaming\QQ.xlsx"3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
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C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"3⤵
- Executes dropped EXE
- 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\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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C:\Users\Admin\AppData\Roaming\FILES.exeMD5
c96b1f4dc1a2a841743b670d775c9466
SHA181ca2259f3933734542cbcb4d5393d4878f41a66
SHA25683c0e817f62582a3e6aa5f20d6cb6738588f8bd7a3d076f6d174ac1b10bbe8c4
SHA512295342ae9cca7dd33ee9bbd380fc070d2a351f9ffa37428879b4e6fd72b5f6ae2bcdb52faaa2cee62a3c1e446c71f9ee43e8c8fded35f4a90fc06dd492b195f4
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C:\Users\Admin\AppData\Roaming\FILES.exeMD5
c96b1f4dc1a2a841743b670d775c9466
SHA181ca2259f3933734542cbcb4d5393d4878f41a66
SHA25683c0e817f62582a3e6aa5f20d6cb6738588f8bd7a3d076f6d174ac1b10bbe8c4
SHA512295342ae9cca7dd33ee9bbd380fc070d2a351f9ffa37428879b4e6fd72b5f6ae2bcdb52faaa2cee62a3c1e446c71f9ee43e8c8fded35f4a90fc06dd492b195f4
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C:\Users\Admin\AppData\Roaming\QQ.xlsxMD5
d0eb874b4bb5f3817619daabdcf14945
SHA12479621f14b74745d5ed9b6d86f4bd7e4d517b4a
SHA25684084504ccf29927653165081f158da0279566cc6c4496422919af1c794e6eee
SHA512e2e45ab7034ecc074bb20ce7dcbf9eac96a2855376f8f14df64dd6d9f4a309806e885de252b9603d246ddf6310bc8d0959cf9e9aba8ad3e3138eac30d1f3468c
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memory/932-125-0x0000000000000000-mapping.dmp
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memory/1244-148-0x00007FF8E7720000-0x00007FF8E7730000-memory.dmpFilesize
64KB
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memory/1244-161-0x00007FF9086E0000-0x00007FF9097CE000-memory.dmpFilesize
16.9MB
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memory/1244-149-0x00007FF8E7720000-0x00007FF8E7730000-memory.dmpFilesize
64KB
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memory/1244-162-0x00007FF8E7720000-0x00007FF8E7730000-memory.dmpFilesize
64KB
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memory/1244-144-0x00007FF754670000-0x00007FF757C26000-memory.dmpFilesize
53.7MB
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memory/1244-147-0x00007FF8E7720000-0x00007FF8E7730000-memory.dmpFilesize
64KB
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memory/1244-143-0x0000000000000000-mapping.dmp
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memory/1244-153-0x00007FF8E7720000-0x00007FF8E7730000-memory.dmpFilesize
64KB
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memory/1244-164-0x00007FF9067E0000-0x00007FF9086D5000-memory.dmpFilesize
31.0MB
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memory/1576-138-0x0000000005F00000-0x0000000005F01000-memory.dmpFilesize
4KB
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memory/1576-142-0x0000000005F01000-0x0000000005F02000-memory.dmpFilesize
4KB
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memory/1576-128-0x0000000000000000-mapping.dmp
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memory/1576-145-0x0000000007980000-0x000000000798B000-memory.dmpFilesize
44KB
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memory/1576-146-0x0000000009E80000-0x0000000009E81000-memory.dmpFilesize
4KB
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memory/2240-150-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2240-151-0x000000000043761E-mapping.dmp
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memory/2240-194-0x0000000004F20000-0x000000000541E000-memory.dmpFilesize
5.0MB
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memory/2240-163-0x0000000004F20000-0x000000000541E000-memory.dmpFilesize
5.0MB
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memory/3764-126-0x0000000000000000-mapping.dmp
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memory/3920-122-0x0000000006D00000-0x0000000006D21000-memory.dmpFilesize
132KB
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memory/3920-123-0x0000000006EB0000-0x0000000006EB1000-memory.dmpFilesize
4KB
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memory/3920-127-0x0000000006181000-0x0000000006182000-memory.dmpFilesize
4KB
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memory/3920-121-0x0000000006180000-0x0000000006181000-memory.dmpFilesize
4KB
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memory/3920-114-0x0000000000C00000-0x0000000000C01000-memory.dmpFilesize
4KB
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memory/3920-119-0x00000000056E0000-0x00000000056E1000-memory.dmpFilesize
4KB
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memory/3920-118-0x0000000005640000-0x0000000005641000-memory.dmpFilesize
4KB
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memory/3920-117-0x00000000054F0000-0x00000000054F1000-memory.dmpFilesize
4KB
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memory/3920-116-0x0000000005AA0000-0x0000000005AA1000-memory.dmpFilesize
4KB
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memory/3920-124-0x0000000006CC0000-0x0000000006CC1000-memory.dmpFilesize
4KB