Analysis
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max time kernel
139s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-05-2022 23:20
Static task
static1
Behavioral task
behavioral1
Sample
wire payment.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
wire payment.exe
Resource
win10v2004-20220414-en
General
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Target
wire payment.exe
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Size
520KB
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MD5
7db674d183d49e66982dde6217ae2213
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SHA1
28fad354b7d8dca874b49c68616401562075009f
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SHA256
91e478af0d259a398a1f018da401190e09bb38ee5c15647f4c97a35c43d9800c
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SHA512
5241e51a9094bc1f0b12b54692cf56bb258218e88af7124b6e97c4f507b8bcee00ff9ca84335a76f285a06fabbbe4450248079b0710fb478bd30090033a22be0
Malware Config
Extracted
Protocol: smtp- Host:
mail.transfastc.com - Port:
587 - Username:
[email protected] - Password:
Godalone147
Extracted
agenttesla
Protocol: smtp- Host:
mail.transfastc.com - Port:
587 - Username:
[email protected] - Password:
Godalone147
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/3824-136-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
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:
wire payment.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wire payment.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wire payment.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wire payment.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
wire payment.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe" wire payment.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
wire payment.exedescription pid process target process PID 3932 set thread context of 3824 3932 wire payment.exe wire payment.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
wire payment.exewire payment.exepid process 3932 wire payment.exe 3932 wire payment.exe 3932 wire payment.exe 3824 wire payment.exe 3824 wire payment.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
wire payment.exepid process 3824 wire payment.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
wire payment.exewire payment.exedescription pid process Token: SeDebugPrivilege 3932 wire payment.exe Token: SeDebugPrivilege 3824 wire payment.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
wire payment.exedescription pid process target process PID 3932 wrote to memory of 3824 3932 wire payment.exe wire payment.exe PID 3932 wrote to memory of 3824 3932 wire payment.exe wire payment.exe PID 3932 wrote to memory of 3824 3932 wire payment.exe wire payment.exe PID 3932 wrote to memory of 3824 3932 wire payment.exe wire payment.exe PID 3932 wrote to memory of 3824 3932 wire payment.exe wire payment.exe PID 3932 wrote to memory of 3824 3932 wire payment.exe wire payment.exe PID 3932 wrote to memory of 3824 3932 wire payment.exe wire payment.exe PID 3932 wrote to memory of 3824 3932 wire payment.exe wire payment.exe -
outlook_office_path 1 IoCs
Processes:
wire payment.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wire payment.exe -
outlook_win_path 1 IoCs
Processes:
wire payment.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wire payment.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\wire payment.exe"C:\Users\Admin\AppData\Local\Temp\wire payment.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\wire payment.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\wire payment.exe.logFilesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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memory/3824-135-0x0000000000000000-mapping.dmp
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memory/3824-136-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/3824-138-0x00000000056F0000-0x0000000005756000-memory.dmpFilesize
408KB
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memory/3824-139-0x0000000006860000-0x00000000068B0000-memory.dmpFilesize
320KB
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memory/3932-130-0x0000000000F00000-0x0000000000F88000-memory.dmpFilesize
544KB
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memory/3932-131-0x0000000005E40000-0x00000000063E4000-memory.dmpFilesize
5.6MB
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memory/3932-132-0x0000000005930000-0x00000000059C2000-memory.dmpFilesize
584KB
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memory/3932-133-0x0000000005AC0000-0x0000000005ACA000-memory.dmpFilesize
40KB
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memory/3932-134-0x0000000007E80000-0x0000000007F1C000-memory.dmpFilesize
624KB