Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
04-04-2024 10:55
Static task
static1
Behavioral task
behavioral1
Sample
Purchase Order.exe
Resource
win7-20240319-en
Behavioral task
behavioral2
Sample
Purchase Order.exe
Resource
win10v2004-20240226-en
General
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Target
Purchase Order.exe
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Size
533KB
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MD5
7eb1409fed2a2b740122f997a76f7a94
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SHA1
8cc9e2d414bc1c8964b965989fb6648857ae9892
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SHA256
ff2ae4fd71daa1a98edd5f88b743a5daa5fb29f70b87dee08fec25313a3640f1
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SHA512
e1df8be427c813ded706628025f38454520a24990b8be54893132b9a44f6874cef1b54f51fa3dd4f56c9622df73ab71fc14ded126c262eea3f3d515039c238a0
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SSDEEP
12288:/WUHaP7P5nea9GotNgJ9/KYEQDSAj/aK5zYFQCmO5lT05G:/lHgj5nbGotNCVDSAWKcQCxQ
Malware Config
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
EbxKZL@2
Extracted
snakekeylogger
https://scratchdreams.tk
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3796-10-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
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:
Purchase Order.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe Key opened \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe Key opened \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 23 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Purchase Order.exedescription pid process target process PID 4504 set thread context of 3796 4504 Purchase Order.exe Purchase Order.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Purchase Order.exepid process 3796 Purchase Order.exe 3796 Purchase Order.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Purchase Order.exedescription pid process Token: SeDebugPrivilege 3796 Purchase Order.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Purchase Order.exedescription pid process target process PID 4504 wrote to memory of 3796 4504 Purchase Order.exe Purchase Order.exe PID 4504 wrote to memory of 3796 4504 Purchase Order.exe Purchase Order.exe PID 4504 wrote to memory of 3796 4504 Purchase Order.exe Purchase Order.exe PID 4504 wrote to memory of 3796 4504 Purchase Order.exe Purchase Order.exe PID 4504 wrote to memory of 3796 4504 Purchase Order.exe Purchase Order.exe PID 4504 wrote to memory of 3796 4504 Purchase Order.exe Purchase Order.exe PID 4504 wrote to memory of 3796 4504 Purchase Order.exe Purchase Order.exe PID 4504 wrote to memory of 3796 4504 Purchase Order.exe Purchase Order.exe -
outlook_office_path 1 IoCs
Processes:
Purchase Order.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe -
outlook_win_path 1 IoCs
Processes:
Purchase Order.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchase Order.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4504 -
C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3796
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3