Analysis
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max time kernel
166s -
max time network
72s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
14-10-2021 05:03
Static task
static1
Behavioral task
behavioral1
Sample
FCA 48992-38499.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
FCA 48992-38499.exe
Resource
win10v20210408
General
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Target
FCA 48992-38499.exe
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Size
540KB
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MD5
d8247074a69d4296446b8e17c853df4b
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SHA1
03d71485a2d7101460d0df0b1cc3b6fdb160782d
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SHA256
cb5319ac9e7361b1a838a9c8199d37f1600ad807aab15917825380f2837e9ad2
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SHA512
dc272a92ca731afdbbdafd5569868e432f127d629176098d90792ee1a9f863039f620008bbacd9a981c464bd271de22603f0172450b9ee270f5ef1de33b8544e
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.xb-inb.com - Port:
587 - Username:
logs1@xb-inb.com - Password:
Nou^xck6
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/1300-68-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1300-69-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1300-70-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1300-71-0x00000000004374EE-mapping.dmp family_agenttesla behavioral1/memory/1300-72-0x0000000000400000-0x000000000043C000-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:
FCA 48992-38499.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FCA 48992-38499.exe Key opened \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FCA 48992-38499.exe Key opened \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FCA 48992-38499.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
FCA 48992-38499.exedescription pid process target process PID 1988 set thread context of 1300 1988 FCA 48992-38499.exe FCA 48992-38499.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
Processes:
FCA 48992-38499.exeFCA 48992-38499.exepid process 1988 FCA 48992-38499.exe 1988 FCA 48992-38499.exe 1988 FCA 48992-38499.exe 1988 FCA 48992-38499.exe 1988 FCA 48992-38499.exe 1988 FCA 48992-38499.exe 1988 FCA 48992-38499.exe 1988 FCA 48992-38499.exe 1988 FCA 48992-38499.exe 1300 FCA 48992-38499.exe 1300 FCA 48992-38499.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
FCA 48992-38499.exeFCA 48992-38499.exedescription pid process Token: SeDebugPrivilege 1988 FCA 48992-38499.exe Token: SeDebugPrivilege 1300 FCA 48992-38499.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
FCA 48992-38499.exedescription pid process target process PID 1988 wrote to memory of 1300 1988 FCA 48992-38499.exe FCA 48992-38499.exe PID 1988 wrote to memory of 1300 1988 FCA 48992-38499.exe FCA 48992-38499.exe PID 1988 wrote to memory of 1300 1988 FCA 48992-38499.exe FCA 48992-38499.exe PID 1988 wrote to memory of 1300 1988 FCA 48992-38499.exe FCA 48992-38499.exe PID 1988 wrote to memory of 1300 1988 FCA 48992-38499.exe FCA 48992-38499.exe PID 1988 wrote to memory of 1300 1988 FCA 48992-38499.exe FCA 48992-38499.exe PID 1988 wrote to memory of 1300 1988 FCA 48992-38499.exe FCA 48992-38499.exe PID 1988 wrote to memory of 1300 1988 FCA 48992-38499.exe FCA 48992-38499.exe PID 1988 wrote to memory of 1300 1988 FCA 48992-38499.exe FCA 48992-38499.exe -
outlook_office_path 1 IoCs
Processes:
FCA 48992-38499.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FCA 48992-38499.exe -
outlook_win_path 1 IoCs
Processes:
FCA 48992-38499.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FCA 48992-38499.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\FCA 48992-38499.exe"C:\Users\Admin\AppData\Local\Temp\FCA 48992-38499.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\FCA 48992-38499.exe"C:\Users\Admin\AppData\Local\Temp\FCA 48992-38499.exe"2⤵
- Accesses Microsoft Outlook profiles
- 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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memory/1300-70-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1300-69-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1300-75-0x0000000004701000-0x0000000004702000-memory.dmpFilesize
4KB
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memory/1300-74-0x0000000004700000-0x0000000004701000-memory.dmpFilesize
4KB
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memory/1300-72-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1300-66-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1300-68-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1300-67-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1300-71-0x00000000004374EE-mapping.dmp
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memory/1988-60-0x0000000000CE0000-0x0000000000CE1000-memory.dmpFilesize
4KB
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memory/1988-62-0x0000000075AD1000-0x0000000075AD3000-memory.dmpFilesize
8KB
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memory/1988-65-0x0000000004F70000-0x0000000004FEC000-memory.dmpFilesize
496KB
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memory/1988-64-0x0000000000590000-0x0000000000595000-memory.dmpFilesize
20KB
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memory/1988-63-0x0000000004780000-0x0000000004781000-memory.dmpFilesize
4KB