Analysis
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max time kernel
105s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
20-05-2022 22:52
Static task
static1
Behavioral task
behavioral1
Sample
Tender document.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Tender document.exe
Resource
win10v2004-20220414-en
Behavioral task
behavioral3
Sample
purchase order from Innovix Distribution Limited, Hong Kong.exe
Resource
win7-20220414-en
General
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Target
Tender document.exe
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Size
428KB
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MD5
7c2a3303f5a74db2dbc52700021c7b85
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SHA1
47d8cfab45c62c74f6a37a0ba1eee131139572dd
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SHA256
eee59729c83333c9d3b5a7b446a076551d1d564e65d24cb73dbc14e3469338e2
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SHA512
12629cde9440830221c9bdfa19efd3d1e0203e92b9aff04346798a20c9f62cd22124cc036420679e30968be54508bdb3628bc598b2f0211eb1268d9caa021ad9
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.plazaplus.com.my - Port:
587 - Username:
[email protected] - Password:
adminplazaplus
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/2000-62-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/2000-61-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/2000-63-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/2000-64-0x0000000000446C9E-mapping.dmp family_agenttesla behavioral1/memory/2000-68-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/2000-66-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
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:
Tender document.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Tender document.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Tender document.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Tender document.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Tender document.exedescription pid process target process PID 1372 set thread context of 2000 1372 Tender document.exe Tender document.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
Tender document.exeTender document.exepid process 1372 Tender document.exe 2000 Tender document.exe 2000 Tender document.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Tender document.exeTender document.exedescription pid process Token: SeDebugPrivilege 1372 Tender document.exe Token: SeDebugPrivilege 2000 Tender document.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
Tender document.exedescription pid process target process PID 1372 wrote to memory of 1676 1372 Tender document.exe schtasks.exe PID 1372 wrote to memory of 1676 1372 Tender document.exe schtasks.exe PID 1372 wrote to memory of 1676 1372 Tender document.exe schtasks.exe PID 1372 wrote to memory of 1676 1372 Tender document.exe schtasks.exe PID 1372 wrote to memory of 1664 1372 Tender document.exe Tender document.exe PID 1372 wrote to memory of 1664 1372 Tender document.exe Tender document.exe PID 1372 wrote to memory of 1664 1372 Tender document.exe Tender document.exe PID 1372 wrote to memory of 1664 1372 Tender document.exe Tender document.exe PID 1372 wrote to memory of 2000 1372 Tender document.exe Tender document.exe PID 1372 wrote to memory of 2000 1372 Tender document.exe Tender document.exe PID 1372 wrote to memory of 2000 1372 Tender document.exe Tender document.exe PID 1372 wrote to memory of 2000 1372 Tender document.exe Tender document.exe PID 1372 wrote to memory of 2000 1372 Tender document.exe Tender document.exe PID 1372 wrote to memory of 2000 1372 Tender document.exe Tender document.exe PID 1372 wrote to memory of 2000 1372 Tender document.exe Tender document.exe PID 1372 wrote to memory of 2000 1372 Tender document.exe Tender document.exe PID 1372 wrote to memory of 2000 1372 Tender document.exe Tender document.exe -
outlook_office_path 1 IoCs
Processes:
Tender document.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Tender document.exe -
outlook_win_path 1 IoCs
Processes:
Tender document.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Tender document.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Tender document.exe"C:\Users\Admin\AppData\Local\Temp\Tender document.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1372 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IehQzBaIZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4673.tmp"2⤵
- Creates scheduled task(s)
PID:1676 -
C:\Users\Admin\AppData\Local\Temp\Tender document.exe"{path}"2⤵PID:1664
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C:\Users\Admin\AppData\Local\Temp\Tender document.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2000
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD51f2b5572d4afedac7a4058efec9b9df1
SHA1eb1039a74c86770352efcfa8144d61403144a48a
SHA25642617781853ef8a239a14daed11d9815c940963e2f77f82da837627c2b43238f
SHA512695e412a9ca8441d5cc61ec087bf9afd12ccb51fa184936974d2428a9420be3294545d7f3ced27aa1838ccc5ac14f67c670e8ccd377c0c77fe298455f51277ff