Analysis
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max time kernel
137s -
max time network
173s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
27-11-2022 13:55
Static task
static1
Behavioral task
behavioral1
Sample
Dustit RFQ.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
Dustit RFQ.exe
Resource
win10v2004-20220812-en
General
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Target
Dustit RFQ.exe
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Size
1.0MB
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MD5
fd330af7ee997322d0ba212fa97cfc63
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SHA1
5c712f65a5ddc1a97b3d1622914503f3e037da8d
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SHA256
260474827b7c64dc399dad23b64ef0ed54e89c779fc284479a16518b9ee7964e
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SHA512
c43a769c39d9ada81145ff8b070be351ee406f7f9a954bce346167687b83f7a267ca1b316b7a7b2d02522ced16894efb6c4acb8ef0ab02ef2686c09769ecf984
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SSDEEP
24576:6XEtCFilvIgvpjRpYyDaG6N/aqU1vgk3bx3mi5ASg:6XRFgxjbd2G6BaqU1jrx15AS
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://carbonwatt.com - Port:
21 - Username:
[email protected] - Password:
k)G8;,rq1MNz
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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:
Dustit RFQ.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Dustit RFQ.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Dustit RFQ.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Dustit RFQ.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Dustit RFQ.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PDeLIuR = "C:\\Users\\Admin\\AppData\\Local\\Temp\\PDeLIuR\\PDeLIuR.exe" Dustit RFQ.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 35 api.ipify.org 36 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Dustit RFQ.exedescription pid process target process PID 3408 set thread context of 4244 3408 Dustit RFQ.exe Dustit RFQ.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
Dustit RFQ.exeDustit RFQ.exepid process 3408 Dustit RFQ.exe 3408 Dustit RFQ.exe 4244 Dustit RFQ.exe 4244 Dustit RFQ.exe 4244 Dustit RFQ.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Dustit RFQ.exeDustit RFQ.exedescription pid process Token: SeDebugPrivilege 3408 Dustit RFQ.exe Token: SeDebugPrivilege 4244 Dustit RFQ.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Dustit RFQ.exedescription pid process target process PID 3408 wrote to memory of 4244 3408 Dustit RFQ.exe Dustit RFQ.exe PID 3408 wrote to memory of 4244 3408 Dustit RFQ.exe Dustit RFQ.exe PID 3408 wrote to memory of 4244 3408 Dustit RFQ.exe Dustit RFQ.exe PID 3408 wrote to memory of 4244 3408 Dustit RFQ.exe Dustit RFQ.exe PID 3408 wrote to memory of 4244 3408 Dustit RFQ.exe Dustit RFQ.exe PID 3408 wrote to memory of 4244 3408 Dustit RFQ.exe Dustit RFQ.exe PID 3408 wrote to memory of 4244 3408 Dustit RFQ.exe Dustit RFQ.exe PID 3408 wrote to memory of 4244 3408 Dustit RFQ.exe Dustit RFQ.exe -
outlook_office_path 1 IoCs
Processes:
Dustit RFQ.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Dustit RFQ.exe -
outlook_win_path 1 IoCs
Processes:
Dustit RFQ.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Dustit RFQ.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Dustit RFQ.exe"C:\Users\Admin\AppData\Local\Temp\Dustit RFQ.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\Dustit RFQ.exe"C:\Users\Admin\AppData\Local\Temp\Dustit RFQ.exe"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
Loading Replay Monitor...
Downloads
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memory/3408-132-0x0000000000F10000-0x000000000101C000-memory.dmpFilesize
1.0MB
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memory/3408-133-0x0000000008370000-0x0000000008914000-memory.dmpFilesize
5.6MB
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memory/3408-134-0x0000000007EA0000-0x0000000007F32000-memory.dmpFilesize
584KB
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memory/3408-135-0x0000000007E90000-0x0000000007E9A000-memory.dmpFilesize
40KB
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memory/3408-136-0x000000000B9F0000-0x000000000BA8C000-memory.dmpFilesize
624KB
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memory/4244-137-0x0000000000000000-mapping.dmp
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memory/4244-138-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/4244-139-0x0000000005670000-0x00000000056D6000-memory.dmpFilesize
408KB
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memory/4244-140-0x0000000006A80000-0x0000000006AD0000-memory.dmpFilesize
320KB