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Analysis
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max time kernel
76s -
max time network
133s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
25/04/2023, 15:31
Static task
static1
Behavioral task
behavioral1
Sample
PO TYER6555556.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
PO TYER6555556.exe
Resource
win10v2004-20230220-en
General
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Target
PO TYER6555556.exe
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Size
662KB
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MD5
515fcae923fcf7925bc1762c71f6e384
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SHA1
4a73794f447193d371b6d188c209e58c1fdb6309
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SHA256
414ba539e3dbcea3e5d9618e66b71524bb66e7b4574caff6d4da5f061734bc3a
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SHA512
6ef3aef00f34cc01b856634940a74bc0c73d8d2f0de73cf00a69f857842a3c167c7149389df994d33a980197fbb0d561056faefae6a7ba6f4b8635cc21adeb41
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SSDEEP
12288:9bSJgvmn1ik/BN6v630WD0aky/vby9OYkC7Irzo5e2vSpRAt3l:9bSJgvmn1ikCv63XyyXZxC74z6edi3l
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot5818680343:AAGVJsfIHcopySiifMCdAaFCv-ICp2_Yo_M/sendMessage?chat_id=5765702254
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 5 IoCs
resource yara_rule behavioral1/memory/268-63-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/268-64-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/268-66-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/268-68-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/268-70-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO TYER6555556.exe Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO TYER6555556.exe Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO TYER6555556.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.
flow ioc 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1764 set thread context of 268 1764 PO TYER6555556.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 268 PO TYER6555556.exe 268 PO TYER6555556.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 268 PO TYER6555556.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1764 wrote to memory of 268 1764 PO TYER6555556.exe 28 PID 1764 wrote to memory of 268 1764 PO TYER6555556.exe 28 PID 1764 wrote to memory of 268 1764 PO TYER6555556.exe 28 PID 1764 wrote to memory of 268 1764 PO TYER6555556.exe 28 PID 1764 wrote to memory of 268 1764 PO TYER6555556.exe 28 PID 1764 wrote to memory of 268 1764 PO TYER6555556.exe 28 PID 1764 wrote to memory of 268 1764 PO TYER6555556.exe 28 PID 1764 wrote to memory of 268 1764 PO TYER6555556.exe 28 PID 1764 wrote to memory of 268 1764 PO TYER6555556.exe 28 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO TYER6555556.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO TYER6555556.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO TYER6555556.exe"C:\Users\Admin\AppData\Local\Temp\PO TYER6555556.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1764 -
C:\Users\Admin\AppData\Local\Temp\PO TYER6555556.exe"C:\Users\Admin\AppData\Local\Temp\PO TYER6555556.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:268
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