Analysis
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max time kernel
143s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
01-12-2023 14:14
Static task
static1
Behavioral task
behavioral1
Sample
Inquiry.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
Inquiry.exe
Resource
win10v2004-20231127-en
General
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Target
Inquiry.exe
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Size
719KB
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MD5
c0358fee59172c24e5695593392135e0
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SHA1
5b7a3dac90e3014de6eec3ac9e96c9534918bfc1
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SHA256
cab0d981559ec627b28ba927840774c66ccba4c7cea401d748ac398f0ab39c85
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SHA512
a2a7ff42f8294e83babc69d13532fc4fd6653ca084e32d1a9bb6c6da759c13a5ac782bd2a9802809756f703ce6de02582392bdef088c48df466ebeba403ab0a1
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SSDEEP
12288:aD+dIbgzk6wM4i0ID2Fld+lwrzS8dRm9LSuvnUA78WxKNQbCxOKL:aD+H4XMb0Pz3nS8oSuvUm8WxtbCx7
Malware Config
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
EJPEOaG2
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
EJPEOaG2 - 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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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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Inquiry.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Micosoft Excel 2023 = "C:\\Users\\Admin\\AppData\\Roaming\\Micosoft Excel 2023\\Micosoft Excel 2023.exe" Inquiry.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Inquiry.exedescription pid process target process PID 3944 set thread context of 628 3944 Inquiry.exe Inquiry.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Inquiry.exepid process 628 Inquiry.exe 628 Inquiry.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Inquiry.exedescription pid process Token: SeDebugPrivilege 628 Inquiry.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Inquiry.exedescription pid process target process PID 3944 wrote to memory of 628 3944 Inquiry.exe Inquiry.exe PID 3944 wrote to memory of 628 3944 Inquiry.exe Inquiry.exe PID 3944 wrote to memory of 628 3944 Inquiry.exe Inquiry.exe PID 3944 wrote to memory of 628 3944 Inquiry.exe Inquiry.exe PID 3944 wrote to memory of 628 3944 Inquiry.exe Inquiry.exe PID 3944 wrote to memory of 628 3944 Inquiry.exe Inquiry.exe PID 3944 wrote to memory of 628 3944 Inquiry.exe Inquiry.exe PID 3944 wrote to memory of 628 3944 Inquiry.exe Inquiry.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Inquiry.exe"C:\Users\Admin\AppData\Local\Temp\Inquiry.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3944 -
C:\Users\Admin\AppData\Local\Temp\Inquiry.exe"C:\Users\Admin\AppData\Local\Temp\Inquiry.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:628
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3