Analysis
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max time kernel
91s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 12:06
Static task
static1
Behavioral task
behavioral1
Sample
PAYMENT INSTRUCTIONS COPY.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
PAYMENT INSTRUCTIONS COPY.exe
Resource
win10v2004-20220414-en
General
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Target
PAYMENT INSTRUCTIONS COPY.exe
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Size
374KB
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MD5
d6d939bd2a1263100823ea0374986d5b
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SHA1
47ac7811435eae2d9640befee318520c9df3f3bb
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SHA256
9398978502aef97b52b10321c7a0d177a4f16d1dc260ad29e8d7cd099b2c8dcb
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SHA512
710ca536a6cb94a2086129d79123a25c077a4be9ea89fac6da2e3ea942fd1a2aa4b0931df894da4b64b6129922fedc8bf832fea7b097d6f25a9119cc8a312bbd
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.pcandles.sa - Port:
587 - Username:
[email protected] - Password:
almadi@123
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/2108-133-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla -
Drops startup file 1 IoCs
Processes:
PAYMENT INSTRUCTIONS COPY.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\HJdyTuap.exe PAYMENT INSTRUCTIONS COPY.exe -
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:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PAYMENT INSTRUCTIONS COPY.exedescription pid process target process PID 1188 set thread context of 2108 1188 PAYMENT INSTRUCTIONS COPY.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegAsm.exepid process 2108 RegAsm.exe 2108 RegAsm.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
PAYMENT INSTRUCTIONS COPY.exepid process 1188 PAYMENT INSTRUCTIONS COPY.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 2108 RegAsm.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
PAYMENT INSTRUCTIONS COPY.exeRegAsm.exedescription pid process target process PID 1188 wrote to memory of 2108 1188 PAYMENT INSTRUCTIONS COPY.exe RegAsm.exe PID 1188 wrote to memory of 2108 1188 PAYMENT INSTRUCTIONS COPY.exe RegAsm.exe PID 1188 wrote to memory of 2108 1188 PAYMENT INSTRUCTIONS COPY.exe RegAsm.exe PID 1188 wrote to memory of 2108 1188 PAYMENT INSTRUCTIONS COPY.exe RegAsm.exe PID 2108 wrote to memory of 116 2108 RegAsm.exe netsh.exe PID 2108 wrote to memory of 116 2108 RegAsm.exe netsh.exe PID 2108 wrote to memory of 116 2108 RegAsm.exe netsh.exe -
outlook_office_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
outlook_win_path 1 IoCs
Processes:
RegAsm.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 RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PAYMENT INSTRUCTIONS COPY.exe"C:\Users\Admin\AppData\Local\Temp\PAYMENT INSTRUCTIONS COPY.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/116-138-0x0000000000000000-mapping.dmp
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memory/1188-130-0x00000000006B0000-0x0000000000714000-memory.dmpFilesize
400KB
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memory/1188-131-0x0000000001070000-0x000000000111B000-memory.dmpFilesize
684KB
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memory/2108-132-0x0000000000000000-mapping.dmp
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memory/2108-133-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/2108-134-0x0000000005A60000-0x0000000006004000-memory.dmpFilesize
5.6MB
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memory/2108-135-0x0000000005270000-0x0000000005302000-memory.dmpFilesize
584KB
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memory/2108-136-0x00000000054B0000-0x000000000554C000-memory.dmpFilesize
624KB
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memory/2108-137-0x00000000059C0000-0x0000000005A26000-memory.dmpFilesize
408KB
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memory/2108-139-0x0000000006610000-0x0000000006660000-memory.dmpFilesize
320KB
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memory/2108-140-0x00000000067C0000-0x00000000067CA000-memory.dmpFilesize
40KB