Analysis
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max time kernel
91s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
18-10-2022 07:11
Static task
static1
Behavioral task
behavioral1
Sample
advance payment.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
advance payment.exe
Resource
win10v2004-20220812-en
General
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Target
advance payment.exe
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Size
566KB
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MD5
05c01ddc8eb7af8cb3c49dfe101db3f9
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SHA1
689e211a6e4cdabf6dcd2b0cd20da68c093c6bdb
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SHA256
90b01e99ca3dc23e4902fb8ea15d61aa872208b47f5ff545561688f19729bfb6
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SHA512
9a388b483f4a860bcc26ac88925dd820d2e8dd9ebd439118692f978f8375116c7ac10c7d717c6ec36c0dddecceed1e015d0aa81e6f366a9e92e6d554956df027
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SSDEEP
12288:kB+96l1M2VAIQw1CUHZS2XYgn3A90vvJYRijFo4DViOSkNMSh0:kB+9SLQSHZS2Xhn35hy
Malware Config
Extracted
Protocol: smtp- Host:
mail.qualitysolutions.co.in - Port:
587 - Username:
[email protected] - Password:
9873335231
Extracted
agenttesla
Protocol: smtp- Host:
mail.qualitysolutions.co.in - Port:
587 - Username:
[email protected] - Password:
9873335231 - 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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Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation advance payment.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yqWDN = "C:\\Users\\Admin\\AppData\\Roaming\\yqWDN\\yqWDN.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2120 set thread context of 3492 2120 advance payment.exe 93 -
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.
pid Process 4168 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2120 advance payment.exe 3492 RegSvcs.exe 3492 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2120 advance payment.exe Token: SeDebugPrivilege 3492 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2120 advance payment.exe 2120 advance payment.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2120 wrote to memory of 4168 2120 advance payment.exe 91 PID 2120 wrote to memory of 4168 2120 advance payment.exe 91 PID 2120 wrote to memory of 4168 2120 advance payment.exe 91 PID 2120 wrote to memory of 3492 2120 advance payment.exe 93 PID 2120 wrote to memory of 3492 2120 advance payment.exe 93 PID 2120 wrote to memory of 3492 2120 advance payment.exe 93 PID 2120 wrote to memory of 3492 2120 advance payment.exe 93 PID 2120 wrote to memory of 3492 2120 advance payment.exe 93 PID 2120 wrote to memory of 3492 2120 advance payment.exe 93 PID 2120 wrote to memory of 3492 2120 advance payment.exe 93 PID 2120 wrote to memory of 3492 2120 advance payment.exe 93 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\advance payment.exe"C:\Users\Admin\AppData\Local\Temp\advance payment.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2120 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ujeIzgvzxvO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6234.tmp"2⤵
- Creates scheduled task(s)
PID:4168
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3492
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5bcdc165d9de2776e91767cb8a87906f1
SHA1fb207c0a51d1d6b2f335a0ed77c50c56fb9bfedc
SHA256123298871869d2836beb0260190bf92f97832e993d21ac7f764df5d17a9a0496
SHA5123ed706df8465668abd21d569cd4029ed438649361eeb176d19e633b385a65af94beba116e1fb653889352457412c4197885d768a1abcf30d1cdf28bc0ae13486