Analysis
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max time kernel
57s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
02-06-2023 13:19
Static task
static1
Behavioral task
behavioral1
Sample
bWQWIXJESszKKRC.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
bWQWIXJESszKKRC.exe
Resource
win10v2004-20230220-en
General
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Target
bWQWIXJESszKKRC.exe
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Size
981KB
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MD5
705409107642f80b196405a37c6f50b2
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SHA1
4a23c4b0aa0448e73ce0284a54765bc1b1d38349
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SHA256
4e605ffc153bda7de371b0675f66303bdad4dc9ba88a2eef42f758aea5259bb4
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SHA512
7731465c0a71fa92881e7bc1fdc421fe209b1fcb39e13c2cdbf5834fb457055ad04e04d71860926047b63270a25ddc6155d4aab5c7700fdc386dc5fdc36b47c7
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SSDEEP
24576:9dxK1U9BqmycgiH75BURvAKMSOQLiWHBiytoFXgA:Qu9Bqmycr7URYKMlQ+WwrF
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.sienkakupeste.com - Port:
587 - Username:
info@sienkakupeste.com - Password:
010203sienka++ - Email To:
saleseuropower2@yandex.com
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 7 IoCs
Processes:
resource yara_rule behavioral1/memory/740-63-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/740-64-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/740-66-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/740-68-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/740-70-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/740-71-0x0000000004A80000-0x0000000004AC0000-memory.dmp family_snakekeylogger behavioral1/memory/740-72-0x0000000004A80000-0x0000000004AC0000-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:
bWQWIXJESszKKRC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bWQWIXJESszKKRC.exe Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bWQWIXJESszKKRC.exe Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bWQWIXJESszKKRC.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 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
bWQWIXJESszKKRC.exedescription pid process target process PID 1064 set thread context of 740 1064 bWQWIXJESszKKRC.exe bWQWIXJESszKKRC.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
bWQWIXJESszKKRC.exepid process 740 bWQWIXJESszKKRC.exe 740 bWQWIXJESszKKRC.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
bWQWIXJESszKKRC.exedescription pid process Token: SeDebugPrivilege 740 bWQWIXJESszKKRC.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
bWQWIXJESszKKRC.exedescription pid process target process PID 1064 wrote to memory of 740 1064 bWQWIXJESszKKRC.exe bWQWIXJESszKKRC.exe PID 1064 wrote to memory of 740 1064 bWQWIXJESszKKRC.exe bWQWIXJESszKKRC.exe PID 1064 wrote to memory of 740 1064 bWQWIXJESszKKRC.exe bWQWIXJESszKKRC.exe PID 1064 wrote to memory of 740 1064 bWQWIXJESszKKRC.exe bWQWIXJESszKKRC.exe PID 1064 wrote to memory of 740 1064 bWQWIXJESszKKRC.exe bWQWIXJESszKKRC.exe PID 1064 wrote to memory of 740 1064 bWQWIXJESszKKRC.exe bWQWIXJESszKKRC.exe PID 1064 wrote to memory of 740 1064 bWQWIXJESszKKRC.exe bWQWIXJESszKKRC.exe PID 1064 wrote to memory of 740 1064 bWQWIXJESszKKRC.exe bWQWIXJESszKKRC.exe PID 1064 wrote to memory of 740 1064 bWQWIXJESszKKRC.exe bWQWIXJESszKKRC.exe -
outlook_office_path 1 IoCs
Processes:
bWQWIXJESszKKRC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bWQWIXJESszKKRC.exe -
outlook_win_path 1 IoCs
Processes:
bWQWIXJESszKKRC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bWQWIXJESszKKRC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bWQWIXJESszKKRC.exe"C:\Users\Admin\AppData\Local\Temp\bWQWIXJESszKKRC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\bWQWIXJESszKKRC.exe"C:\Users\Admin\AppData\Local\Temp\bWQWIXJESszKKRC.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/740-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/740-61-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/740-62-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/740-72-0x0000000004A80000-0x0000000004AC0000-memory.dmpFilesize
256KB
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memory/740-63-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/740-71-0x0000000004A80000-0x0000000004AC0000-memory.dmpFilesize
256KB
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memory/740-70-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/740-64-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/740-68-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/740-66-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/1064-59-0x0000000004C30000-0x0000000004C92000-memory.dmpFilesize
392KB
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memory/1064-58-0x00000000005B0000-0x00000000005BC000-memory.dmpFilesize
48KB
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memory/1064-54-0x00000000011A0000-0x000000000129A000-memory.dmpFilesize
1000KB
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memory/1064-56-0x0000000000560000-0x0000000000574000-memory.dmpFilesize
80KB
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memory/1064-60-0x00000000010F0000-0x000000000111A000-memory.dmpFilesize
168KB
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memory/1064-55-0x0000000007410000-0x0000000007450000-memory.dmpFilesize
256KB
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memory/1064-57-0x0000000007410000-0x0000000007450000-memory.dmpFilesize
256KB