Analysis
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max time kernel
139s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
07-12-2023 02:31
Static task
static1
Behavioral task
behavioral1
Sample
Documents as requested.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
Documents as requested.exe
Resource
win10v2004-20231127-en
General
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Target
Documents as requested.exe
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Size
520KB
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MD5
7eae5a91d3e871ea0c920f486e1343b4
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SHA1
74d80650070db49cb7da707666213c4d250e4190
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SHA256
865cf5013a56a0576a1e837aae17f8ed232c6d43e21f91cecd31d21679f562be
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SHA512
8bd825dca93e2cc74264ba964c5ffcf11f6553dd34a8c5cf7fb92077ead4f40842616bd9d099320a5816ee79cd0cbfda509b2aac57475d61a763945a57e0570b
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SSDEEP
12288:O0KVGTm0Ho8ayWTYXtqH1JF3xYJA555dj9v/3YEn1:/TpIPyBXq1/31555d5vdn1
Malware Config
Extracted
Protocol: ftp- Host:
files.000webhost.com - Port:
21 - Username:
tain00 - Password:
computer@2020
Extracted
agenttesla
Protocol: ftp- Host:
ftp://files.000webhost.com - Port:
21 - Username:
tain00 - Password:
computer@2020
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
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tlodwyhh = "C:\\Users\\Admin\\AppData\\Roaming\\Tlodwyhh.exe" Documents as requested.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4564 set thread context of 2472 4564 Documents as requested.exe 91 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2472 Documents as requested.exe 2472 Documents as requested.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4564 Documents as requested.exe Token: SeDebugPrivilege 2472 Documents as requested.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4564 wrote to memory of 2472 4564 Documents as requested.exe 91 PID 4564 wrote to memory of 2472 4564 Documents as requested.exe 91 PID 4564 wrote to memory of 2472 4564 Documents as requested.exe 91 PID 4564 wrote to memory of 2472 4564 Documents as requested.exe 91 PID 4564 wrote to memory of 2472 4564 Documents as requested.exe 91 PID 4564 wrote to memory of 2472 4564 Documents as requested.exe 91 PID 4564 wrote to memory of 2472 4564 Documents as requested.exe 91 PID 4564 wrote to memory of 2472 4564 Documents as requested.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\Documents as requested.exe"C:\Users\Admin\AppData\Local\Temp\Documents as requested.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4564 -
C:\Users\Admin\AppData\Local\Temp\Documents as requested.exe"C:\Users\Admin\AppData\Local\Temp\Documents as requested.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2472
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD58c2da65103d6b46d8cf610b118210cf0
SHA19db4638340bb74f2af3161cc2c9c0b8b32e6ab65
SHA2560e48e2efd419951e0eb9a8d942493cfdf5540d1d19ff9dae6f145fb3ebcbeeac
SHA5123cf5a125276e264cd8478f2b92d3848fb68b96d46eb4a39e650d09df02068c274881a1c314cdfbfdcb452672fb70dd8becf3ffe9562d39919d9c4d6b07fbb614