Analysis
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max time kernel
142s -
max time network
139s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
19-10-2021 09:52
Static task
static1
Behavioral task
behavioral1
Sample
S.QUOKKA (S-618) - TCM.doc.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
S.QUOKKA (S-618) - TCM.doc.exe
Resource
win10-en-20211014
General
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Target
S.QUOKKA (S-618) - TCM.doc.exe
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Size
770KB
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MD5
545eaa55c962df648708bb0bb01bcb28
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SHA1
39e0c699f9bd668dc65561aef01451deeb41b073
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SHA256
138e666baba119aed949d7064ded4f2ddafaa85e95b09bbd5c4ed7d2b77ac9ef
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SHA512
4892171284b009dc58a0ea5a781006e52c1dc729e924f386749336b9e56880ecdf6f67e43bee9c8f26b345cfcaab4b53305cd78f33a04d1b3d6016db4a2684cb
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.penavico--cz.com - Port:
587 - Username:
[email protected] - Password:
Fq$L%J((!6
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/4004-121-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/4004-122-0x0000000000436A8E-mapping.dmp family_agenttesla behavioral2/memory/4004-127-0x0000000004F30000-0x000000000542E000-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:
S.QUOKKA (S-618) - TCM.doc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 S.QUOKKA (S-618) - TCM.doc.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 S.QUOKKA (S-618) - TCM.doc.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 S.QUOKKA (S-618) - TCM.doc.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
S.QUOKKA (S-618) - TCM.doc.exedescription pid process target process PID 2000 set thread context of 4004 2000 S.QUOKKA (S-618) - TCM.doc.exe S.QUOKKA (S-618) - TCM.doc.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
S.QUOKKA (S-618) - TCM.doc.exepid process 4004 S.QUOKKA (S-618) - TCM.doc.exe 4004 S.QUOKKA (S-618) - TCM.doc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
S.QUOKKA (S-618) - TCM.doc.exeS.QUOKKA (S-618) - TCM.doc.exedescription pid process Token: SeDebugPrivilege 2000 S.QUOKKA (S-618) - TCM.doc.exe Token: SeDebugPrivilege 4004 S.QUOKKA (S-618) - TCM.doc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
S.QUOKKA (S-618) - TCM.doc.exedescription pid process target process PID 2000 wrote to memory of 4004 2000 S.QUOKKA (S-618) - TCM.doc.exe S.QUOKKA (S-618) - TCM.doc.exe PID 2000 wrote to memory of 4004 2000 S.QUOKKA (S-618) - TCM.doc.exe S.QUOKKA (S-618) - TCM.doc.exe PID 2000 wrote to memory of 4004 2000 S.QUOKKA (S-618) - TCM.doc.exe S.QUOKKA (S-618) - TCM.doc.exe PID 2000 wrote to memory of 4004 2000 S.QUOKKA (S-618) - TCM.doc.exe S.QUOKKA (S-618) - TCM.doc.exe PID 2000 wrote to memory of 4004 2000 S.QUOKKA (S-618) - TCM.doc.exe S.QUOKKA (S-618) - TCM.doc.exe PID 2000 wrote to memory of 4004 2000 S.QUOKKA (S-618) - TCM.doc.exe S.QUOKKA (S-618) - TCM.doc.exe PID 2000 wrote to memory of 4004 2000 S.QUOKKA (S-618) - TCM.doc.exe S.QUOKKA (S-618) - TCM.doc.exe PID 2000 wrote to memory of 4004 2000 S.QUOKKA (S-618) - TCM.doc.exe S.QUOKKA (S-618) - TCM.doc.exe -
outlook_office_path 1 IoCs
Processes:
S.QUOKKA (S-618) - TCM.doc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 S.QUOKKA (S-618) - TCM.doc.exe -
outlook_win_path 1 IoCs
Processes:
S.QUOKKA (S-618) - TCM.doc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 S.QUOKKA (S-618) - TCM.doc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\S.QUOKKA (S-618) - TCM.doc.exe"C:\Users\Admin\AppData\Local\Temp\S.QUOKKA (S-618) - TCM.doc.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\S.QUOKKA (S-618) - TCM.doc.exe"C:\Users\Admin\AppData\Local\Temp\S.QUOKKA (S-618) - TCM.doc.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
Loading Replay Monitor...
Downloads
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memory/2000-115-0x0000000001320000-0x0000000001321000-memory.dmpFilesize
4KB
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memory/2000-117-0x0000000005100000-0x0000000005101000-memory.dmpFilesize
4KB
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memory/2000-118-0x0000000004CA0000-0x0000000004CA1000-memory.dmpFilesize
4KB
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memory/2000-119-0x0000000004BF0000-0x0000000004BF1000-memory.dmpFilesize
4KB
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memory/2000-120-0x0000000004C30000-0x0000000004C31000-memory.dmpFilesize
4KB
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memory/4004-121-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/4004-122-0x0000000000436A8E-mapping.dmp
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memory/4004-126-0x0000000004F30000-0x0000000004F31000-memory.dmpFilesize
4KB
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memory/4004-127-0x0000000004F30000-0x000000000542E000-memory.dmpFilesize
5.0MB
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memory/4004-128-0x00000000012F0000-0x00000000012F1000-memory.dmpFilesize
4KB
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memory/4004-129-0x0000000005A90000-0x0000000005A91000-memory.dmpFilesize
4KB