Analysis
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max time kernel
90s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
08-09-2022 05:12
Static task
static1
Behavioral task
behavioral1
Sample
QUOTATION.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
QUOTATION.exe
Resource
win10v2004-20220812-en
General
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Target
QUOTATION.exe
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Size
567KB
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MD5
d3ed542fd3254ad1ecfa3946650ab71a
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SHA1
ae291f7e54e57c9cb0c7ed66db3d14ddc9664d83
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SHA256
57cb52e3ee3fda72557ac6bda9a94c641a3c03ac395ddfaefc9b068826048f0a
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SHA512
19de31b7a28c858de1d4c910fc67f63ebeeca952dabec793efe9ed0410d9de29e0bde18669e61bab74a989755cf39ae57b93725662ee19733250ea8ff15dacb2
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SSDEEP
12288:LcY0YrJN7lTUaX1caZLC+UQ2NSh7dKEzX/DsXlylSx1:L1n7221caZGJSnKEzXbsH
Malware Config
Extracted
Protocol: smtp- Host:
mail.absheron-sharab.az - Port:
587 - Username:
[email protected] - Password:
emin077
Extracted
agenttesla
Protocol: smtp- Host:
mail.absheron-sharab.az - Port:
587 - Username:
[email protected] - Password:
emin077 - 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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation QUOTATION.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\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-1-5-21-2295526160-1155304984-640977766-1000\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 3408 set thread context of 3396 3408 QUOTATION.exe 98 -
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 3932 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 3408 QUOTATION.exe 3396 RegSvcs.exe 3396 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3408 QUOTATION.exe Token: SeDebugPrivilege 3396 RegSvcs.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3408 wrote to memory of 3932 3408 QUOTATION.exe 96 PID 3408 wrote to memory of 3932 3408 QUOTATION.exe 96 PID 3408 wrote to memory of 3932 3408 QUOTATION.exe 96 PID 3408 wrote to memory of 3396 3408 QUOTATION.exe 98 PID 3408 wrote to memory of 3396 3408 QUOTATION.exe 98 PID 3408 wrote to memory of 3396 3408 QUOTATION.exe 98 PID 3408 wrote to memory of 3396 3408 QUOTATION.exe 98 PID 3408 wrote to memory of 3396 3408 QUOTATION.exe 98 PID 3408 wrote to memory of 3396 3408 QUOTATION.exe 98 PID 3408 wrote to memory of 3396 3408 QUOTATION.exe 98 PID 3408 wrote to memory of 3396 3408 QUOTATION.exe 98 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3408 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wgKbtUipQW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3A4A.tmp"2⤵
- Creates scheduled task(s)
PID:3932
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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:3396
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5356df42758d68ce2bb3f61906900ceb5
SHA195fb31f1a6332be52cb6429df2bfbf910f018723
SHA256ca6ceedf0facb3b99adbf4e6c9a8998356d536f9eb1f2a0495ed5820579dec80
SHA512d269e0c8f2cc3a8182be5ecaf03b2b3087d0e63e4b83ff78d7ce5630fa92dfcae9e0705e255d5b53dae71b068809719c9db7b3b74bec2539513e6eab53b65d94