Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
29-09-2024 20:28
Static task
static1
Behavioral task
behavioral1
Sample
dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.exe
Resource
win7-20240903-en
General
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Target
dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.exe
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Size
618KB
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MD5
d2c7cc884cbc08d8d05e232e8c65e598
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SHA1
73a8e883f694647499e918f567705e6939fea5e7
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SHA256
dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476
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SHA512
f2a3627a1c8369fe3e948b73e9376b115a020e0d9019e83b65382e00d9fa4a9d436e59c7b27efdafb0dbeb5f9f3e51da681de3e90fb56354a91be8d5e08c2150
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SSDEEP
12288:TPhc0gvLlx0hOyX4mH5lKNIWV7ri1akBkj9zRqB+/dI6cLkR:TPqvLIWIWdi9bs6S
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
aowapnzgtwgqowgt
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
aowapnzgtwgqowgt - 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.
pid Process 3356 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3536 set thread context of 1100 3536 dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.exe 91 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1100 dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.exe 1100 dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.exe 3356 powershell.exe 3356 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1100 dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.exe Token: SeDebugPrivilege 3356 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3536 wrote to memory of 3356 3536 dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.exe 89 PID 3536 wrote to memory of 3356 3536 dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.exe 89 PID 3536 wrote to memory of 3356 3536 dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.exe 89 PID 3536 wrote to memory of 1100 3536 dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.exe 91 PID 3536 wrote to memory of 1100 3536 dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.exe 91 PID 3536 wrote to memory of 1100 3536 dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.exe 91 PID 3536 wrote to memory of 1100 3536 dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.exe 91 PID 3536 wrote to memory of 1100 3536 dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.exe 91 PID 3536 wrote to memory of 1100 3536 dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.exe 91 PID 3536 wrote to memory of 1100 3536 dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.exe 91 PID 3536 wrote to memory of 1100 3536 dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.exe"C:\Users\Admin\AppData\Local\Temp\dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3536 -
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\dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3356
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C:\Users\Admin\AppData\Local\Temp\dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.exe"C:\Users\Admin\AppData\Local\Temp\dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1100
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\dfe0333e43317bae44de641475b273ac7c5839d9cccfa3b7ddb726d5e224e476.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82