Analysis
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max time kernel
50s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20220718-en -
resource tags
arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system -
submitted
06-08-2022 07:05
Static task
static1
Behavioral task
behavioral1
Sample
Remittance advice.exe
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
Remittance advice.exe
Resource
win10v2004-20220721-en
General
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Target
Remittance advice.exe
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Size
776KB
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MD5
fce52aa1a2bac6fb4dca105838d6b1b5
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SHA1
e2f2abd893da800149e5fbafa8d74e05b51d94a4
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SHA256
0f752671d59d2498fe4d7654c293f74cc77b4e964d86fc1a740e98bbefbe571a
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SHA512
87f0e74f084a3916d9aa7cb0e547c72ae2771c8feb2088bf11ad01777fa58f9907c9df25322e9d3c8f77bea10095c719c56ea28e3571970d84ad9f76f18bae47
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
cp5ua.hyperhost.ua - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@#$ - Email To:
[email protected]
https://api.telegram.org/bot5321688653:AAEI2yqGrOA_-sRZ3xaqutrexraSgFa0AnA/sendMessage?chat_id=5048077662
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/944-62-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/944-64-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/944-66-0x00000000004203CE-mapping.dmp family_snakekeylogger behavioral1/memory/944-65-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/944-68-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/944-70-0x0000000000400000-0x0000000000426000-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
Processes:
Remittance advice.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Remittance advice.exe Key opened \REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Remittance advice.exe Key opened \REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Remittance advice.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:
Remittance advice.exedescription pid process target process PID 2020 set thread context of 944 2020 Remittance advice.exe Remittance advice.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
Remittance advice.exepid process 944 Remittance advice.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Remittance advice.exedescription pid process Token: SeDebugPrivilege 944 Remittance advice.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
Remittance advice.exedescription pid process target process PID 2020 wrote to memory of 944 2020 Remittance advice.exe Remittance advice.exe PID 2020 wrote to memory of 944 2020 Remittance advice.exe Remittance advice.exe PID 2020 wrote to memory of 944 2020 Remittance advice.exe Remittance advice.exe PID 2020 wrote to memory of 944 2020 Remittance advice.exe Remittance advice.exe PID 2020 wrote to memory of 944 2020 Remittance advice.exe Remittance advice.exe PID 2020 wrote to memory of 944 2020 Remittance advice.exe Remittance advice.exe PID 2020 wrote to memory of 944 2020 Remittance advice.exe Remittance advice.exe PID 2020 wrote to memory of 944 2020 Remittance advice.exe Remittance advice.exe PID 2020 wrote to memory of 944 2020 Remittance advice.exe Remittance advice.exe -
outlook_office_path 1 IoCs
Processes:
Remittance advice.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Remittance advice.exe -
outlook_win_path 1 IoCs
Processes:
Remittance advice.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Remittance advice.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Remittance advice.exe"C:\Users\Admin\AppData\Local\Temp\Remittance advice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Users\Admin\AppData\Local\Temp\Remittance advice.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:944
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