Analysis
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max time kernel
121s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
02-06-2023 06:09
Static task
static1
Behavioral task
behavioral1
Sample
bxXt2i9uBHPRJLY.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
bxXt2i9uBHPRJLY.exe
Resource
win10v2004-20230220-en
General
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Target
bxXt2i9uBHPRJLY.exe
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Size
746KB
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MD5
58769de6b310d27aee2176d4c3aefd8c
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SHA1
84599ef5bee923c2098bfa3fa8f471879010f68a
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SHA256
b324b97f06340df9c5abdcae3f7522fc3d5c66ac3b6b75dadeb83f133862cb82
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SHA512
f0796c8ef00f26d140ed35758f717313f7ad7ea162dad14db427a5972ec7c0c161385f87de16c46ff90ad7fd03b0dd82367775d725fc73d6ad24dfa0bae01bad
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SSDEEP
12288:qzuhBl7xdvo/MdyrhFgtDsuBHsSj5J4+saBGqMC6gKt98PohRq445nrHjzMl9tcf:q+9BqmycgiH75BhEPmwzqVrDqgogD
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 2 IoCs
Processes:
resource yara_rule behavioral2/memory/4232-140-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral2/memory/4232-145-0x0000000005100000-0x0000000005110000-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:
bxXt2i9uBHPRJLY.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bxXt2i9uBHPRJLY.exe Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bxXt2i9uBHPRJLY.exe Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bxXt2i9uBHPRJLY.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 40 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
bxXt2i9uBHPRJLY.exedescription pid process target process PID 2772 set thread context of 4232 2772 bxXt2i9uBHPRJLY.exe bxXt2i9uBHPRJLY.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
bxXt2i9uBHPRJLY.exepid process 4232 bxXt2i9uBHPRJLY.exe 4232 bxXt2i9uBHPRJLY.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
bxXt2i9uBHPRJLY.exedescription pid process Token: SeDebugPrivilege 4232 bxXt2i9uBHPRJLY.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
bxXt2i9uBHPRJLY.exedescription pid process target process PID 2772 wrote to memory of 4232 2772 bxXt2i9uBHPRJLY.exe bxXt2i9uBHPRJLY.exe PID 2772 wrote to memory of 4232 2772 bxXt2i9uBHPRJLY.exe bxXt2i9uBHPRJLY.exe PID 2772 wrote to memory of 4232 2772 bxXt2i9uBHPRJLY.exe bxXt2i9uBHPRJLY.exe PID 2772 wrote to memory of 4232 2772 bxXt2i9uBHPRJLY.exe bxXt2i9uBHPRJLY.exe PID 2772 wrote to memory of 4232 2772 bxXt2i9uBHPRJLY.exe bxXt2i9uBHPRJLY.exe PID 2772 wrote to memory of 4232 2772 bxXt2i9uBHPRJLY.exe bxXt2i9uBHPRJLY.exe PID 2772 wrote to memory of 4232 2772 bxXt2i9uBHPRJLY.exe bxXt2i9uBHPRJLY.exe PID 2772 wrote to memory of 4232 2772 bxXt2i9uBHPRJLY.exe bxXt2i9uBHPRJLY.exe -
outlook_office_path 1 IoCs
Processes:
bxXt2i9uBHPRJLY.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bxXt2i9uBHPRJLY.exe -
outlook_win_path 1 IoCs
Processes:
bxXt2i9uBHPRJLY.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bxXt2i9uBHPRJLY.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bxXt2i9uBHPRJLY.exe"C:\Users\Admin\AppData\Local\Temp\bxXt2i9uBHPRJLY.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\bxXt2i9uBHPRJLY.exe"C:\Users\Admin\AppData\Local\Temp\bxXt2i9uBHPRJLY.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
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\bxXt2i9uBHPRJLY.exe.logFilesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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memory/2772-133-0x0000000000B00000-0x0000000000BC0000-memory.dmpFilesize
768KB
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memory/2772-134-0x0000000005A70000-0x0000000006014000-memory.dmpFilesize
5.6MB
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memory/2772-135-0x0000000005560000-0x00000000055F2000-memory.dmpFilesize
584KB
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memory/2772-136-0x0000000005620000-0x000000000562A000-memory.dmpFilesize
40KB
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memory/2772-137-0x00000000056A0000-0x00000000056B0000-memory.dmpFilesize
64KB
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memory/2772-138-0x00000000056A0000-0x00000000056B0000-memory.dmpFilesize
64KB
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memory/2772-139-0x00000000071D0000-0x000000000726C000-memory.dmpFilesize
624KB
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memory/4232-140-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/4232-143-0x0000000005100000-0x0000000005110000-memory.dmpFilesize
64KB
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memory/4232-144-0x0000000006390000-0x0000000006552000-memory.dmpFilesize
1.8MB
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memory/4232-145-0x0000000005100000-0x0000000005110000-memory.dmpFilesize
64KB