Analysis
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max time kernel
141s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
09-12-2022 12:17
Static task
static1
Behavioral task
behavioral1
Sample
PO-101589722.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
PO-101589722.exe
Resource
win10v2004-20220812-en
General
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Target
PO-101589722.exe
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Size
584KB
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MD5
48175e8d4cab7d2632e01b36d7fb7fdf
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SHA1
3ee679fd054ccc04cd4dbda56a79fbfdef71d886
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SHA256
db39ddbe9f842333abaef983a635f13dd50168a450a225830222c68fd2d39fa8
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SHA512
3bf534765fc3cc68c24347a13649147ce44d3d390592551ada0fbef478e545ab3026cf34547ab43a52a9bbbd159583f87c159cefc8834326d000135e4bb78d22
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SSDEEP
12288:Ob0hjbjl2pl3SuB9IgBbYN3a+gDyF8g9f3QIAHziiXMawc4C:OYY0uAgBk5a+/F8g9f3QfHDrlF
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.siliconsafepack.com - Port:
587 - Username:
[email protected] - Password:
mQqt$sHJba83 - Email To:
[email protected]
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:
PO-101589722.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO-101589722.exe Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO-101589722.exe Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO-101589722.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 26 api.ipify.org 27 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PO-101589722.exedescription pid process target process PID 1572 set thread context of 1236 1572 PO-101589722.exe PO-101589722.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
PO-101589722.exepid process 1236 PO-101589722.exe 1236 PO-101589722.exe 1236 PO-101589722.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
PO-101589722.exedescription pid process Token: SeDebugPrivilege 1236 PO-101589722.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
PO-101589722.exedescription pid process target process PID 1572 wrote to memory of 1236 1572 PO-101589722.exe PO-101589722.exe PID 1572 wrote to memory of 1236 1572 PO-101589722.exe PO-101589722.exe PID 1572 wrote to memory of 1236 1572 PO-101589722.exe PO-101589722.exe PID 1572 wrote to memory of 1236 1572 PO-101589722.exe PO-101589722.exe PID 1572 wrote to memory of 1236 1572 PO-101589722.exe PO-101589722.exe PID 1572 wrote to memory of 1236 1572 PO-101589722.exe PO-101589722.exe PID 1572 wrote to memory of 1236 1572 PO-101589722.exe PO-101589722.exe PID 1572 wrote to memory of 1236 1572 PO-101589722.exe PO-101589722.exe -
outlook_office_path 1 IoCs
Processes:
PO-101589722.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO-101589722.exe -
outlook_win_path 1 IoCs
Processes:
PO-101589722.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO-101589722.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO-101589722.exe"C:\Users\Admin\AppData\Local\Temp\PO-101589722.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1572 -
C:\Users\Admin\AppData\Local\Temp\PO-101589722.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1236
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD584e77a587d94307c0ac1357eb4d3d46f
SHA183cc900f9401f43d181207d64c5adba7a85edc1e
SHA256e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99
SHA512aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691