Analysis
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max time kernel
54s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
01-10-2022 01:23
Static task
static1
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
tmp.exe
Resource
win10v2004-20220812-en
General
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Target
tmp.exe
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Size
1.0MB
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MD5
095b613eb266abe973e2b6f808de1961
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SHA1
bae2c1ac2687c7f82a0723c25e54816df513c750
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SHA256
d5a1c1d4f0dcb307b693d75f759251c84999a1f885d8e4486dbe844402a7fe84
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SHA512
1931ab5375de1a0fd34aa05f8af0c8ed15ed8c4cbc7fe01e2d5ea0998c9b5dbc5e08feb067883a42930eba69415efaa2da20443854ef8cd901ff6a551d6aaeb1
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SSDEEP
24576:x2x6jEWJzKoImcPTtET49syHrp0Mzqn00v:46jwoI/bKUK+p0MzH0
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/1192-63-0x0000000000400000-0x000000000047C000-memory.dmp family_snakekeylogger behavioral1/memory/1192-64-0x0000000000400000-0x000000000047C000-memory.dmp family_snakekeylogger behavioral1/memory/1192-65-0x0000000000400000-0x000000000047C000-memory.dmp family_snakekeylogger behavioral1/memory/1192-66-0x00000000004771FE-mapping.dmp family_snakekeylogger behavioral1/memory/1192-68-0x0000000000400000-0x000000000047C000-memory.dmp family_snakekeylogger behavioral1/memory/1192-70-0x0000000000400000-0x000000000047C000-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:
tmp.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.exe Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.exe Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.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:
tmp.exedescription pid process target process PID 1972 set thread context of 1192 1972 tmp.exe tmp.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
tmp.exepid process 1192 tmp.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
tmp.exedescription pid process Token: SeDebugPrivilege 1192 tmp.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
tmp.exedescription pid process target process PID 1972 wrote to memory of 1192 1972 tmp.exe tmp.exe PID 1972 wrote to memory of 1192 1972 tmp.exe tmp.exe PID 1972 wrote to memory of 1192 1972 tmp.exe tmp.exe PID 1972 wrote to memory of 1192 1972 tmp.exe tmp.exe PID 1972 wrote to memory of 1192 1972 tmp.exe tmp.exe PID 1972 wrote to memory of 1192 1972 tmp.exe tmp.exe PID 1972 wrote to memory of 1192 1972 tmp.exe tmp.exe PID 1972 wrote to memory of 1192 1972 tmp.exe tmp.exe PID 1972 wrote to memory of 1192 1972 tmp.exe tmp.exe -
outlook_office_path 1 IoCs
Processes:
tmp.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.exe -
outlook_win_path 1 IoCs
Processes:
tmp.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1972 -
C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1192