Analysis
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max time kernel
59s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 03:46
Static task
static1
Behavioral task
behavioral1
Sample
INVOICE copy.pdf.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
INVOICE copy.pdf.exe
Resource
win10v2004-20220414-en
General
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Target
INVOICE copy.pdf.exe
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Size
689KB
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MD5
5f6d5bc9d3eb49159c86ad34d9d56630
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SHA1
6ca254c29159461ec8b0102c7a830656729b1989
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SHA256
3ebf463f9b7164a3e4ebcbac495f7fe23b2dbe7f18a7ebc2c0ee55fb4b651c83
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SHA512
da82a06d2d2351f0a5f11b5a326db73110a713b231521449074906602ca12bfd6e2641ffb345a7351e9b1a6dfc95997ce995a4368a2fe351f602e3cc0d9878d0
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
chibuikelightwork1
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/540-57-0x0000000000380000-0x00000000003CC000-memory.dmp family_agenttesla behavioral1/memory/540-58-0x0000000000380000-0x00000000003CC000-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:
INVOICE copy.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE copy.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE copy.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE copy.pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
INVOICE copy.pdf.exedescription pid process target process PID 1672 set thread context of 540 1672 INVOICE copy.pdf.exe INVOICE copy.pdf.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
INVOICE copy.pdf.exeINVOICE copy.pdf.exepid process 1672 INVOICE copy.pdf.exe 540 INVOICE copy.pdf.exe 540 INVOICE copy.pdf.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
INVOICE copy.pdf.exepid process 1672 INVOICE copy.pdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
INVOICE copy.pdf.exedescription pid process Token: SeDebugPrivilege 540 INVOICE copy.pdf.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
INVOICE copy.pdf.exedescription pid process target process PID 1672 wrote to memory of 540 1672 INVOICE copy.pdf.exe INVOICE copy.pdf.exe PID 1672 wrote to memory of 540 1672 INVOICE copy.pdf.exe INVOICE copy.pdf.exe PID 1672 wrote to memory of 540 1672 INVOICE copy.pdf.exe INVOICE copy.pdf.exe PID 1672 wrote to memory of 540 1672 INVOICE copy.pdf.exe INVOICE copy.pdf.exe -
outlook_office_path 1 IoCs
Processes:
INVOICE copy.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE copy.pdf.exe -
outlook_win_path 1 IoCs
Processes:
INVOICE copy.pdf.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE copy.pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\INVOICE copy.pdf.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE copy.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1672 -
C:\Users\Admin\AppData\Local\Temp\INVOICE copy.pdf.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE copy.pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:540
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