Analysis
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max time kernel
144s -
max time network
167s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 14:41
Static task
static1
Behavioral task
behavioral1
Sample
FA369852.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
FA369852.exe
Resource
win10v2004-20220812-en
General
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Target
FA369852.exe
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Size
753KB
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MD5
fe95779f01c2cf063ca96f9227c079c7
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SHA1
3ed0e9d3472f191d2aace68d6c0f75149228ff3b
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SHA256
6497c358f05eae2afbb8535f92a187cb27293fb583017c19bd495f838d7b2d26
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SHA512
dff6c1baf63d3a180d60c0dfc22619b31dc884f4a9a88d501041d92f6b65794f478fb432452f8064264f9a8f73cbebe257c9d65c3e08f62c3b9d3b734f7e6479
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SSDEEP
12288:gigDGkBZwgwhUpJQN1kw9zb5GB4XXo713JEI5M/:I3BZwg0Nx9z1LHo8
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://192.3.223.202 - Port:
21 - Username:
ftplogs - Password:
sPkZ7jK7P6aA
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:
FA369852.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation FA369852.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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
FA369852.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FA369852.exe Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FA369852.exe Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FA369852.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
FA369852.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hQSLM = "C:\\Users\\Admin\\AppData\\Roaming\\hQSLM\\hQSLM.exe" FA369852.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 36 api.ipify.org 37 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
FA369852.exedescription pid process target process PID 516 set thread context of 4416 516 FA369852.exe FA369852.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 8 IoCs
Processes:
FA369852.exepowershell.exeFA369852.exepid process 516 FA369852.exe 516 FA369852.exe 516 FA369852.exe 4016 powershell.exe 4016 powershell.exe 4416 FA369852.exe 4416 FA369852.exe 4416 FA369852.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
FA369852.exepid process 4416 FA369852.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
FA369852.exepowershell.exeFA369852.exedescription pid process Token: SeDebugPrivilege 516 FA369852.exe Token: SeDebugPrivilege 4016 powershell.exe Token: SeDebugPrivilege 4416 FA369852.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
FA369852.exepid process 4416 FA369852.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
FA369852.exedescription pid process target process PID 516 wrote to memory of 4016 516 FA369852.exe powershell.exe PID 516 wrote to memory of 4016 516 FA369852.exe powershell.exe PID 516 wrote to memory of 4016 516 FA369852.exe powershell.exe PID 516 wrote to memory of 4936 516 FA369852.exe schtasks.exe PID 516 wrote to memory of 4936 516 FA369852.exe schtasks.exe PID 516 wrote to memory of 4936 516 FA369852.exe schtasks.exe PID 516 wrote to memory of 4416 516 FA369852.exe FA369852.exe PID 516 wrote to memory of 4416 516 FA369852.exe FA369852.exe PID 516 wrote to memory of 4416 516 FA369852.exe FA369852.exe PID 516 wrote to memory of 4416 516 FA369852.exe FA369852.exe PID 516 wrote to memory of 4416 516 FA369852.exe FA369852.exe PID 516 wrote to memory of 4416 516 FA369852.exe FA369852.exe PID 516 wrote to memory of 4416 516 FA369852.exe FA369852.exe PID 516 wrote to memory of 4416 516 FA369852.exe FA369852.exe -
outlook_office_path 1 IoCs
Processes:
FA369852.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FA369852.exe -
outlook_win_path 1 IoCs
Processes:
FA369852.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FA369852.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\FA369852.exe"C:\Users\Admin\AppData\Local\Temp\FA369852.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:516 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OpuIXgmfRjsi.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4016 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OpuIXgmfRjsi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp690A.tmp"2⤵
- Creates scheduled task(s)
PID:4936 -
C:\Users\Admin\AppData\Local\Temp\FA369852.exe"C:\Users\Admin\AppData\Local\Temp\FA369852.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:4416
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD527b2fec2a6283b09ef15bd709cb96c3d
SHA1728585dd6390edf7806524dcf4bf18139632a001
SHA256451a266b23424f3075e68b990cb90c7c177d48a64688c39ee77a4e9e239cf311
SHA512bb10e90a881b259b1b90e54a1451f660c96e900576000a294cd1311ac5a6d3b3567cc7ad169ed26ff38719d65462ad31b2247e0f80118dd693f45927255de50b
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Filesize
1KB
MD5bd49a588620d1041f31209b00e113b13
SHA144503b604a7137795260e8443dd8b3fdd05ec7c2
SHA25663fa4b59139aa34925091ba9de7ec54e2bee9b573eb3611d854aecc6cb9fc07d
SHA51209a656fbabcce5e837fca2c68bc8bd544197e075f5bd0597aa30614b6861d10c345317eca328109b77ded7148af16a041f302396796c1d94e74e77a126746cf3