Analysis
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max time kernel
103s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 01:23
Static task
static1
Behavioral task
behavioral1
Sample
bank details.tar.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
bank details.tar.exe
Resource
win10v2004-20220414-en
General
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Target
bank details.tar.exe
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Size
503KB
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MD5
561978ce5c5027ddd74ab9958c89569e
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SHA1
dbf352dd70a714e9f1f0b03832c0eca8eab17754
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SHA256
34604c450edccb519e89347afd87707ca455038abfc2cc0e5b2919a4a677f93c
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SHA512
b262294b164202685a9a6cf4b829bc2e2db820a254315bc1386e080c3617212673300d93a076ccef1d28c5e2ff5769c2d46eb1296a731e7edfaaaad0f6f14ca3
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.pptoursperu.com - Port:
587 - Username:
[email protected] - Password:
mailppt2019-
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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CoreEntity .NET Packer 1 IoCs
A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.
Processes:
resource yara_rule behavioral1/memory/1408-56-0x00000000008D0000-0x00000000008D8000-memory.dmp coreentity -
AgentTesla Payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/944-61-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/944-62-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/944-63-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/944-64-0x000000000044BE5E-mapping.dmp family_agenttesla behavioral1/memory/944-66-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/944-68-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla -
ReZer0 packer 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
Processes:
resource yara_rule behavioral1/memory/1408-57-0x0000000000AA0000-0x0000000000AF8000-memory.dmp rezer0 -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
bank details.tar.exedescription pid process target process PID 1408 set thread context of 944 1408 bank details.tar.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 944 RegSvcs.exe 944 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 944 RegSvcs.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
bank details.tar.exedescription pid process target process PID 1408 wrote to memory of 944 1408 bank details.tar.exe RegSvcs.exe PID 1408 wrote to memory of 944 1408 bank details.tar.exe RegSvcs.exe PID 1408 wrote to memory of 944 1408 bank details.tar.exe RegSvcs.exe PID 1408 wrote to memory of 944 1408 bank details.tar.exe RegSvcs.exe PID 1408 wrote to memory of 944 1408 bank details.tar.exe RegSvcs.exe PID 1408 wrote to memory of 944 1408 bank details.tar.exe RegSvcs.exe PID 1408 wrote to memory of 944 1408 bank details.tar.exe RegSvcs.exe PID 1408 wrote to memory of 944 1408 bank details.tar.exe RegSvcs.exe PID 1408 wrote to memory of 944 1408 bank details.tar.exe RegSvcs.exe PID 1408 wrote to memory of 944 1408 bank details.tar.exe RegSvcs.exe PID 1408 wrote to memory of 944 1408 bank details.tar.exe RegSvcs.exe PID 1408 wrote to memory of 944 1408 bank details.tar.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bank details.tar.exe"C:\Users\Admin\AppData\Local\Temp\bank details.tar.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"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/944-58-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/944-59-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/944-61-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/944-62-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/944-63-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/944-64-0x000000000044BE5E-mapping.dmp
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memory/944-66-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/944-68-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/1408-54-0x0000000000D70000-0x0000000000DF4000-memory.dmpFilesize
528KB
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memory/1408-55-0x00000000759F1000-0x00000000759F3000-memory.dmpFilesize
8KB
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memory/1408-56-0x00000000008D0000-0x00000000008D8000-memory.dmpFilesize
32KB
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memory/1408-57-0x0000000000AA0000-0x0000000000AF8000-memory.dmpFilesize
352KB