Analysis
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max time kernel
69s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
30-09-2022 13:53
Static task
static1
Behavioral task
behavioral1
Sample
INQUIRY.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
INQUIRY.exe
Resource
win10v2004-20220812-en
General
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Target
INQUIRY.exe
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Size
987KB
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MD5
e5265906364b50b3c76474eccb791319
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SHA1
c4d7fb4ca637a7853e32d2dca8bb8f1ee953e8ad
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SHA256
92d2a5ac1445f1cf95317d89b5b1649246b56e328894b584523e690def1bc570
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SHA512
523c0c312512bd2d38e5388b8898d1b9b04fa7aa72ee1d4f311ea4b4c2f53678c4a03d8df3db6564228a720a00e996d41b63624bd51cd14f9d2e5679aa6a1c75
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SSDEEP
12288:kgqC2J6e2bju7kXl9FWg3qzwzFL8O+TpGxzjUR56J2apsADqjJ5nGmwl9cffomoe:kg52sfikVSkq67tXK5SWjrGXu
Malware Config
Extracted
Protocol: smtp- Host:
mail.sseximclearing.com - Port:
587 - Username:
[email protected] - Password:
Ssxm@9854
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:
INQUIRY.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation INQUIRY.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:
INQUIRY.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INQUIRY.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INQUIRY.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INQUIRY.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
INQUIRY.exedescription pid process target process PID 3192 set thread context of 5016 3192 INQUIRY.exe INQUIRY.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 3 IoCs
Processes:
INQUIRY.exeINQUIRY.exepid process 3192 INQUIRY.exe 5016 INQUIRY.exe 5016 INQUIRY.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
INQUIRY.exeINQUIRY.exedescription pid process Token: SeDebugPrivilege 3192 INQUIRY.exe Token: SeDebugPrivilege 5016 INQUIRY.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
INQUIRY.exedescription pid process target process PID 3192 wrote to memory of 3676 3192 INQUIRY.exe schtasks.exe PID 3192 wrote to memory of 3676 3192 INQUIRY.exe schtasks.exe PID 3192 wrote to memory of 3676 3192 INQUIRY.exe schtasks.exe PID 3192 wrote to memory of 5016 3192 INQUIRY.exe INQUIRY.exe PID 3192 wrote to memory of 5016 3192 INQUIRY.exe INQUIRY.exe PID 3192 wrote to memory of 5016 3192 INQUIRY.exe INQUIRY.exe PID 3192 wrote to memory of 5016 3192 INQUIRY.exe INQUIRY.exe PID 3192 wrote to memory of 5016 3192 INQUIRY.exe INQUIRY.exe PID 3192 wrote to memory of 5016 3192 INQUIRY.exe INQUIRY.exe PID 3192 wrote to memory of 5016 3192 INQUIRY.exe INQUIRY.exe PID 3192 wrote to memory of 5016 3192 INQUIRY.exe INQUIRY.exe -
outlook_office_path 1 IoCs
Processes:
INQUIRY.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INQUIRY.exe -
outlook_win_path 1 IoCs
Processes:
INQUIRY.exedescription 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 INQUIRY.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3192 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lxtdKYnImsS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD8F0.tmp"2⤵
- Creates scheduled task(s)
PID:3676 -
C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:5016
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD584e77a587d94307c0ac1357eb4d3d46f
SHA183cc900f9401f43d181207d64c5adba7a85edc1e
SHA256e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99
SHA512aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691
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Filesize
1KB
MD5fe52bd2304b62962fe88da666a979424
SHA12d435bcf2b4f837730f62e5b04da6789e8c3d667
SHA256019d8912718fd079bff080863be1fe8a59e50b0d7472e5d67c5873d1799449fc
SHA51244471b0add1df4c84295da175deb4ba8f0a8e3fe984f9924e608e396695fe3b4ca53786ef4ffc60f930b3a63a9938bcfeba6bbbd7f783f7b76aa4c45d8cd2fab