Analysis
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max time kernel
91s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 03:17
Static task
static1
Behavioral task
behavioral1
Sample
0020027409011933_05-13-2020.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
0020027409011933_05-13-2020.exe
Resource
win10v2004-20220414-en
General
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Target
0020027409011933_05-13-2020.exe
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Size
402KB
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MD5
fbc66dd14f31214c68d15659f71219bf
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SHA1
36301d647b8549e60564c34063a4a8a7b7bd1b76
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SHA256
3e2931cb793d52c5e3253abd7efa9c5c5da9fe766cc93a012ff784fe48694c7a
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SHA512
578e2bad1dc7a5775d4b13b34cb75d054d554de7f53aa8cecc2f85bff594abd43a63fc9d1e06ba90745f225b3a17bc7fe40e78c0e2c13de51dee7240aff5c0d3
Malware Config
Extracted
Protocol: smtp- Host:
mail.elhelado.com.mx - Port:
587 - Username:
[email protected] - Password:
4042Ad@+
Extracted
agenttesla
Protocol: smtp- Host:
mail.elhelado.com.mx - Port:
587 - Username:
[email protected] - Password:
4042Ad@+
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2408-139-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
0020027409011933_05-13-2020.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation 0020027409011933_05-13-2020.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:
0020027409011933_05-13-2020.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 0020027409011933_05-13-2020.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 0020027409011933_05-13-2020.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 0020027409011933_05-13-2020.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
0020027409011933_05-13-2020.exedescription pid process target process PID 2432 set thread context of 2408 2432 0020027409011933_05-13-2020.exe 0020027409011933_05-13-2020.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:
0020027409011933_05-13-2020.exe0020027409011933_05-13-2020.exepid process 2432 0020027409011933_05-13-2020.exe 2408 0020027409011933_05-13-2020.exe 2408 0020027409011933_05-13-2020.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
0020027409011933_05-13-2020.exe0020027409011933_05-13-2020.exedescription pid process Token: SeDebugPrivilege 2432 0020027409011933_05-13-2020.exe Token: SeDebugPrivilege 2408 0020027409011933_05-13-2020.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
0020027409011933_05-13-2020.exe0020027409011933_05-13-2020.exedescription pid process target process PID 2432 wrote to memory of 4516 2432 0020027409011933_05-13-2020.exe schtasks.exe PID 2432 wrote to memory of 4516 2432 0020027409011933_05-13-2020.exe schtasks.exe PID 2432 wrote to memory of 4516 2432 0020027409011933_05-13-2020.exe schtasks.exe PID 2432 wrote to memory of 2408 2432 0020027409011933_05-13-2020.exe 0020027409011933_05-13-2020.exe PID 2432 wrote to memory of 2408 2432 0020027409011933_05-13-2020.exe 0020027409011933_05-13-2020.exe PID 2432 wrote to memory of 2408 2432 0020027409011933_05-13-2020.exe 0020027409011933_05-13-2020.exe PID 2432 wrote to memory of 2408 2432 0020027409011933_05-13-2020.exe 0020027409011933_05-13-2020.exe PID 2432 wrote to memory of 2408 2432 0020027409011933_05-13-2020.exe 0020027409011933_05-13-2020.exe PID 2432 wrote to memory of 2408 2432 0020027409011933_05-13-2020.exe 0020027409011933_05-13-2020.exe PID 2432 wrote to memory of 2408 2432 0020027409011933_05-13-2020.exe 0020027409011933_05-13-2020.exe PID 2432 wrote to memory of 2408 2432 0020027409011933_05-13-2020.exe 0020027409011933_05-13-2020.exe PID 2408 wrote to memory of 2152 2408 0020027409011933_05-13-2020.exe netsh.exe PID 2408 wrote to memory of 2152 2408 0020027409011933_05-13-2020.exe netsh.exe PID 2408 wrote to memory of 2152 2408 0020027409011933_05-13-2020.exe netsh.exe -
outlook_office_path 1 IoCs
Processes:
0020027409011933_05-13-2020.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 0020027409011933_05-13-2020.exe -
outlook_win_path 1 IoCs
Processes:
0020027409011933_05-13-2020.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 0020027409011933_05-13-2020.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0020027409011933_05-13-2020.exe"C:\Users\Admin\AppData\Local\Temp\0020027409011933_05-13-2020.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2432 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HyjXbggHLexDHw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA00D.tmp"2⤵
- Creates scheduled task(s)
PID:4516
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C:\Users\Admin\AppData\Local\Temp\0020027409011933_05-13-2020.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2408 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:2152
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
1KB
MD591da13f5648a76434b9786f979316e53
SHA16e9db8af2b5c57265a7bf68459181c697a22e745
SHA25633302212d6c0d46994891ad479365561938c4c9f1c2d44c1de881bf77cc3cbd9
SHA512b49b7559700f55cf6f2681c490a5b02a8165585a2e4dc8f5e05514bdac647bfef7e0b53a965b0f97bb3821e170d59153fe2e43333c99eae10a26b13d5a637eac