Analysis
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max time kernel
101s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 00:58
Static task
static1
Behavioral task
behavioral1
Sample
FRtsWDxBpc96ZPs.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
FRtsWDxBpc96ZPs.exe
Resource
win10v2004-20220414-en
General
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Target
FRtsWDxBpc96ZPs.exe
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Size
510KB
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MD5
6fa5d1729bcb93c460bd3bb3ebf53eb4
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SHA1
f6c9df5e9c8a6d19224967b85d87b54287563a9b
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SHA256
05568298144f10100f3882592a8be0a1754c579f581a3db6316d014c7f8ca8f3
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SHA512
1feb1e7d85aa0ae173f510b32b7d5ff1f2cc37b4d23888d6a8f9930f50d8953c11cd4cc363f09dd4393805ef917251ee2ccf28c52a236209207739ba06d91057
Malware Config
Extracted
Protocol: smtp- Host:
mail.sardaplywood.com - Port:
587 - Username:
[email protected] - Password:
je12vi345
Extracted
agenttesla
Protocol: smtp- Host:
mail.sardaplywood.com - Port:
587 - Username:
[email protected] - Password:
je12vi345
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/3748-132-0x0000000000400000-0x0000000000466000-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:
FRtsWDxBpc96ZPs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FRtsWDxBpc96ZPs.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FRtsWDxBpc96ZPs.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FRtsWDxBpc96ZPs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
FRtsWDxBpc96ZPs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NCVaJAU = "C:\\Users\\Admin\\AppData\\Roaming\\NCVaJAU\\NCVaJAU.exe" FRtsWDxBpc96ZPs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
FRtsWDxBpc96ZPs.exedescription pid process target process PID 2076 set thread context of 3748 2076 FRtsWDxBpc96ZPs.exe FRtsWDxBpc96ZPs.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
FRtsWDxBpc96ZPs.exeFRtsWDxBpc96ZPs.exepid process 2076 FRtsWDxBpc96ZPs.exe 2076 FRtsWDxBpc96ZPs.exe 2076 FRtsWDxBpc96ZPs.exe 2076 FRtsWDxBpc96ZPs.exe 3748 FRtsWDxBpc96ZPs.exe 3748 FRtsWDxBpc96ZPs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
FRtsWDxBpc96ZPs.exeFRtsWDxBpc96ZPs.exedescription pid process Token: SeDebugPrivilege 2076 FRtsWDxBpc96ZPs.exe Token: SeDebugPrivilege 3748 FRtsWDxBpc96ZPs.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
FRtsWDxBpc96ZPs.exedescription pid process target process PID 2076 wrote to memory of 3748 2076 FRtsWDxBpc96ZPs.exe FRtsWDxBpc96ZPs.exe PID 2076 wrote to memory of 3748 2076 FRtsWDxBpc96ZPs.exe FRtsWDxBpc96ZPs.exe PID 2076 wrote to memory of 3748 2076 FRtsWDxBpc96ZPs.exe FRtsWDxBpc96ZPs.exe PID 2076 wrote to memory of 3748 2076 FRtsWDxBpc96ZPs.exe FRtsWDxBpc96ZPs.exe PID 2076 wrote to memory of 3748 2076 FRtsWDxBpc96ZPs.exe FRtsWDxBpc96ZPs.exe PID 2076 wrote to memory of 3748 2076 FRtsWDxBpc96ZPs.exe FRtsWDxBpc96ZPs.exe PID 2076 wrote to memory of 3748 2076 FRtsWDxBpc96ZPs.exe FRtsWDxBpc96ZPs.exe PID 2076 wrote to memory of 3748 2076 FRtsWDxBpc96ZPs.exe FRtsWDxBpc96ZPs.exe -
outlook_office_path 1 IoCs
Processes:
FRtsWDxBpc96ZPs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FRtsWDxBpc96ZPs.exe -
outlook_win_path 1 IoCs
Processes:
FRtsWDxBpc96ZPs.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 FRtsWDxBpc96ZPs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\FRtsWDxBpc96ZPs.exe"C:\Users\Admin\AppData\Local\Temp\FRtsWDxBpc96ZPs.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\FRtsWDxBpc96ZPs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- 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_v2.0_32\UsageLogs\FRtsWDxBpc96ZPs.exe.logFilesize
496B
MD5cb76b18ebed3a9f05a14aed43d35fba6
SHA1836a4b4e351846fca08b84149cb734cb59b8c0d6
SHA2568d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349
SHA5127631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c
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memory/2076-130-0x0000000074770000-0x0000000074D21000-memory.dmpFilesize
5.7MB
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memory/3748-131-0x0000000000000000-mapping.dmp
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memory/3748-132-0x0000000000400000-0x0000000000466000-memory.dmpFilesize
408KB
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memory/3748-134-0x0000000074770000-0x0000000074D21000-memory.dmpFilesize
5.7MB