Analysis
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max time kernel
152s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 07:40
Static task
static1
Behavioral task
behavioral1
Sample
REQUEST QUOTATION.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
REQUEST QUOTATION.exe
Resource
win10v2004-20221111-en
General
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Target
REQUEST QUOTATION.exe
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Size
562KB
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MD5
151d8349aa1f8d3697c55b1707ca2789
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SHA1
ed745b72c682d4b74dec09af7bce32d7acebab4c
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SHA256
ea43d517a6f297bacd8199f6df1f0cfaa00acac3c3c2eb125093df80c73a87a6
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SHA512
5930a050134b953121b024d169f71d167e675792ec55b837c5f11e33665875f09240ce7281c1171ef20f7d51c88c34bc4ad92d4b86afb8f2827f10439189b4ae
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SSDEEP
12288:pJgABfUndS7pkVPaPl00WSETzOKNh3pvckiU3Z7iPuW:pJguUdimyPTEnXfFl
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.dmstech.in - Port:
587 - Username:
[email protected] - Password:
0]6F9Az.pqfd - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
REQUEST QUOTATION.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation REQUEST QUOTATION.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zBwkauB = "C:\\Users\\Admin\\AppData\\Roaming\\zBwkauB\\zBwkauB.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
REQUEST QUOTATION.exedescription pid process target process PID 3884 set thread context of 3560 3884 REQUEST QUOTATION.exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
REQUEST QUOTATION.exeRegSvcs.exepid process 3884 REQUEST QUOTATION.exe 3560 RegSvcs.exe 3560 RegSvcs.exe 3560 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
REQUEST QUOTATION.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 3884 REQUEST QUOTATION.exe Token: SeDebugPrivilege 3560 RegSvcs.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
REQUEST QUOTATION.exedescription pid process target process PID 3884 wrote to memory of 3908 3884 REQUEST QUOTATION.exe schtasks.exe PID 3884 wrote to memory of 3908 3884 REQUEST QUOTATION.exe schtasks.exe PID 3884 wrote to memory of 3908 3884 REQUEST QUOTATION.exe schtasks.exe PID 3884 wrote to memory of 3560 3884 REQUEST QUOTATION.exe RegSvcs.exe PID 3884 wrote to memory of 3560 3884 REQUEST QUOTATION.exe RegSvcs.exe PID 3884 wrote to memory of 3560 3884 REQUEST QUOTATION.exe RegSvcs.exe PID 3884 wrote to memory of 3560 3884 REQUEST QUOTATION.exe RegSvcs.exe PID 3884 wrote to memory of 3560 3884 REQUEST QUOTATION.exe RegSvcs.exe PID 3884 wrote to memory of 3560 3884 REQUEST QUOTATION.exe RegSvcs.exe PID 3884 wrote to memory of 3560 3884 REQUEST QUOTATION.exe RegSvcs.exe PID 3884 wrote to memory of 3560 3884 REQUEST QUOTATION.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\REQUEST QUOTATION.exe"C:\Users\Admin\AppData\Local\Temp\REQUEST QUOTATION.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vuvYqkwr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3681.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp3681.tmpFilesize
1KB
MD54fd4be61e7cd35bd7d38c662b64e2d5e
SHA1c9d2e95925a69e5a59641373463c124762c67ca8
SHA256ce96d987f0b2e73b89c0e9f0efa824f17f75adae09dbc7368890b997acc2a8cf
SHA51241685ef1de5b4c1293d3f7d3cf1c47d78920d935ecd7e5f3add48c615dff6fac3fa73ef06ac3886e04d158e4773fdb9565e0a11c8715ad6dec831aec67f77622
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memory/3560-139-0x0000000000000000-mapping.dmp
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memory/3560-140-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3560-141-0x0000000006640000-0x00000000066A6000-memory.dmpFilesize
408KB
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memory/3560-142-0x00000000069B0000-0x0000000006A00000-memory.dmpFilesize
320KB
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memory/3884-132-0x00000000006E0000-0x0000000000772000-memory.dmpFilesize
584KB
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memory/3884-133-0x00000000056D0000-0x0000000005C74000-memory.dmpFilesize
5.6MB
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memory/3884-134-0x0000000005120000-0x00000000051B2000-memory.dmpFilesize
584KB
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memory/3884-135-0x0000000005260000-0x00000000052FC000-memory.dmpFilesize
624KB
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memory/3884-136-0x0000000005220000-0x000000000522A000-memory.dmpFilesize
40KB
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memory/3908-137-0x0000000000000000-mapping.dmp