Analysis
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max time kernel
151s -
max time network
182s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-05-2022 22:16
Static task
static1
Behavioral task
behavioral1
Sample
4959696069969605pdf.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
4959696069969605pdf.exe
Resource
win10v2004-20220414-en
General
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Target
4959696069969605pdf.exe
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Size
565KB
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MD5
3f6bc3fd4ea20b8bc31396374ab1829f
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SHA1
35fdfb9d4d1647efcf699a7e1e96e5cc754cc23b
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SHA256
d29da0500ff7aecab3d24397cb745554f399dce5ab59f4ed7a95f6f959b62584
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SHA512
5539e38f6ee9ed9c450cc6538d99201940007a4bd0c1f16fc0e4f49c64d0407d49d19690eb0f1beba157af01d46a131aa7a5f75fb763bf6c21c38c962d945db9
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
chukwudi123
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
chukwudi123
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/4536-132-0x0000000000400000-0x000000000044E000-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:
4959696069969605pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4959696069969605pdf.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4959696069969605pdf.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4959696069969605pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
4959696069969605pdf.exedescription pid process target process PID 2352 set thread context of 4536 2352 4959696069969605pdf.exe 4959696069969605pdf.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
4959696069969605pdf.exe4959696069969605pdf.exepid process 2352 4959696069969605pdf.exe 2352 4959696069969605pdf.exe 2352 4959696069969605pdf.exe 4536 4959696069969605pdf.exe 4536 4959696069969605pdf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
4959696069969605pdf.exe4959696069969605pdf.exedescription pid process Token: SeDebugPrivilege 2352 4959696069969605pdf.exe Token: SeDebugPrivilege 4536 4959696069969605pdf.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
4959696069969605pdf.exedescription pid process target process PID 2352 wrote to memory of 4536 2352 4959696069969605pdf.exe 4959696069969605pdf.exe PID 2352 wrote to memory of 4536 2352 4959696069969605pdf.exe 4959696069969605pdf.exe PID 2352 wrote to memory of 4536 2352 4959696069969605pdf.exe 4959696069969605pdf.exe PID 2352 wrote to memory of 4536 2352 4959696069969605pdf.exe 4959696069969605pdf.exe PID 2352 wrote to memory of 4536 2352 4959696069969605pdf.exe 4959696069969605pdf.exe PID 2352 wrote to memory of 4536 2352 4959696069969605pdf.exe 4959696069969605pdf.exe PID 2352 wrote to memory of 4536 2352 4959696069969605pdf.exe 4959696069969605pdf.exe PID 2352 wrote to memory of 4536 2352 4959696069969605pdf.exe 4959696069969605pdf.exe -
outlook_office_path 1 IoCs
Processes:
4959696069969605pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 4959696069969605pdf.exe -
outlook_win_path 1 IoCs
Processes:
4959696069969605pdf.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 4959696069969605pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4959696069969605pdf.exe"C:\Users\Admin\AppData\Local\Temp\4959696069969605pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2352 -
C:\Users\Admin\AppData\Local\Temp\4959696069969605pdf.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4536
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
667B
MD5fad44290d2f569240416a287677a6b34
SHA10799266664e37852987cc24398f9a70c7e56742b
SHA256e955c99499359471526e95c22a084d1578997c39ecab988badf6798cfbd995b0
SHA512ee4136ac147d41646368eeb16390598c1da2b9e3bb8331b43062a72e4ad1d05eec56dcc727f9b5b447756c3edc855b08ef0c241073a5f88e749714f2beb98bc3