Analysis
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max time kernel
133s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
23-05-2024 01:46
Static task
static1
Behavioral task
behavioral1
Sample
f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe
Resource
win7-20231129-en
General
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Target
f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe
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Size
668KB
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MD5
65c8dd7a47ca0eacc8027671c6c0891c
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SHA1
21e633d91ec91b2291edeb3af68eae787589bf61
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SHA256
f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339
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SHA512
6523c5db90a8c45224d83748a2a25f3f86025cb000989afa609d705d450f63c16e2f7fae46f398a2ebcdb479a5ca8e9486094776cce1902be8bc2e1e627ce772
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SSDEEP
12288:6C7UWaSA6GC+iWMGu6t7aoTSyyPjiU0orYItTP9lEQhOAuKpApGdTkJvoFl7xC+C:eWaX7C+iju7aoCjb0oEIXGQbuK2JMxCR
Malware Config
Extracted
Protocol: smtp- Host:
cozuns.com - Port:
587 - Username:
[email protected] - Password:
Ku;_MUOVC3;E
Extracted
agenttesla
Protocol: smtp- Host:
cozuns.com - Port:
587 - Username:
[email protected] - Password:
Ku;_MUOVC3;E - 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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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.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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Suspicious use of SetThreadContext 1 IoCs
Processes:
f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exedescription pid process target process PID 1772 set thread context of 1980 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exef23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exepowershell.exepid process 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe 1980 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe 1980 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe 3644 powershell.exe 3644 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exef23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exepowershell.exedescription pid process Token: SeDebugPrivilege 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe Token: SeDebugPrivilege 1980 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe Token: SeDebugPrivilege 3644 powershell.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exedescription pid process target process PID 1772 wrote to memory of 3644 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe powershell.exe PID 1772 wrote to memory of 3644 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe powershell.exe PID 1772 wrote to memory of 3644 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe powershell.exe PID 1772 wrote to memory of 1652 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe PID 1772 wrote to memory of 1652 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe PID 1772 wrote to memory of 1652 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe PID 1772 wrote to memory of 5116 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe PID 1772 wrote to memory of 5116 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe PID 1772 wrote to memory of 5116 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe PID 1772 wrote to memory of 3940 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe PID 1772 wrote to memory of 3940 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe PID 1772 wrote to memory of 3940 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe PID 1772 wrote to memory of 1980 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe PID 1772 wrote to memory of 1980 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe PID 1772 wrote to memory of 1980 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe PID 1772 wrote to memory of 1980 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe PID 1772 wrote to memory of 1980 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe PID 1772 wrote to memory of 1980 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe PID 1772 wrote to memory of 1980 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe PID 1772 wrote to memory of 1980 1772 f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe"C:\Users\Admin\AppData\Local\Temp\f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1772 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3644
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C:\Users\Admin\AppData\Local\Temp\f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe"C:\Users\Admin\AppData\Local\Temp\f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe"2⤵PID:1652
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C:\Users\Admin\AppData\Local\Temp\f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe"C:\Users\Admin\AppData\Local\Temp\f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe"2⤵PID:5116
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C:\Users\Admin\AppData\Local\Temp\f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe"C:\Users\Admin\AppData\Local\Temp\f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe"2⤵PID:3940
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C:\Users\Admin\AppData\Local\Temp\f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe"C:\Users\Admin\AppData\Local\Temp\f23baba313fea263a91462230af31755b31c40ec40e79b39b855712599246339.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1980
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82