Analysis
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max time kernel
103s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 14:06
Static task
static1
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
tmp.exe
Resource
win10v2004-20220414-en
General
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Target
tmp.exe
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Size
680KB
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MD5
d29958ffc3ebde050e992fe24b7d735a
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SHA1
a2d56009c08f6f44ebcb42a1594a6a20530a6c6f
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SHA256
75f2ff197bf14319cfa73c515597453f6a50d56ce2fe39c384f445b3431a9960
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SHA512
ad845dcec8ed0c1fe4499e553fa1c0c632d9f2e5b909e32356514ec165113e0676784a106826fb6d73da8c1ee7810aa860fe1bb295046cce7895532af4050a62
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5368056296:AAHgHHTnRAZx9eL5AZ1arY8hwWaEJUMdR18/sendDocument
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:
tmp.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
tmp.exedescription pid process target process PID 1092 set thread context of 3696 1092 tmp.exe tmp.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
tmp.exepid process 3696 tmp.exe 3696 tmp.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
tmp.exedescription pid process Token: SeDebugPrivilege 3696 tmp.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
tmp.exepid process 3696 tmp.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
tmp.exedescription pid process target process PID 1092 wrote to memory of 3696 1092 tmp.exe tmp.exe PID 1092 wrote to memory of 3696 1092 tmp.exe tmp.exe PID 1092 wrote to memory of 3696 1092 tmp.exe tmp.exe PID 1092 wrote to memory of 3696 1092 tmp.exe tmp.exe PID 1092 wrote to memory of 3696 1092 tmp.exe tmp.exe PID 1092 wrote to memory of 3696 1092 tmp.exe tmp.exe PID 1092 wrote to memory of 3696 1092 tmp.exe tmp.exe PID 1092 wrote to memory of 3696 1092 tmp.exe tmp.exe -
outlook_office_path 1 IoCs
Processes:
tmp.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.exe -
outlook_win_path 1 IoCs
Processes:
tmp.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- 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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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\tmp.exe.logFilesize
1KB
MD58323fae9fbc8238dfd3efdc87ac3534c
SHA1d88623828a38d6b528963a32902c9f336a08942e
SHA2561ccd81d339d51696fa8569e0ea179873452e8aa087b14a397538cda74996fe00
SHA5129a50d78360761b85c2b49fd2959744c004a74600ffef5756391fec0f02c8aafc6061a028518808693297f03e9fc65067e3d4b29d876ed70eb8e2ad9094d246c3
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memory/1092-130-0x0000000000120000-0x00000000001CA000-memory.dmpFilesize
680KB
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memory/1092-131-0x0000000005180000-0x0000000005724000-memory.dmpFilesize
5.6MB
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memory/1092-132-0x0000000004BD0000-0x0000000004C62000-memory.dmpFilesize
584KB
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memory/1092-133-0x0000000004B60000-0x0000000004B6A000-memory.dmpFilesize
40KB
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memory/1092-134-0x0000000004F10000-0x0000000004FAC000-memory.dmpFilesize
624KB
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memory/1092-135-0x0000000007680000-0x00000000076E6000-memory.dmpFilesize
408KB
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memory/3696-136-0x0000000000000000-mapping.dmp
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memory/3696-137-0x0000000000400000-0x000000000043A000-memory.dmpFilesize
232KB
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memory/3696-139-0x0000000006260000-0x00000000062B0000-memory.dmpFilesize
320KB