Analysis
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max time kernel
146s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
11-10-2023 22:19
Static task
static1
Behavioral task
behavioral1
Sample
f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe
Resource
win10v2004-20230915-en
General
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Target
f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe
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Size
542KB
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MD5
fb6436801517f4cb1748ba4bf9df2df4
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SHA1
2c36e323268892dc7f9987fb5200ee1fb2336df0
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SHA256
f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12
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SHA512
77140f0e92be4f7b931f33949ef4640b8d02bebcc43e0aec97618eb731efb07acb0648efcc10af630f2440bc2c8fa45b3862b8d77ce5c3f9d908ac9b22bf6977
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SSDEEP
12288:5tHparD6dh85k4Y5hLZwi3qjnb7svMufuul8ZxeizmFzx:h4Dqh5LPwi3YnsUufuLnRmH
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot6316392918:AAHcjKTVDupG6SMH3LkXAeVBgHKlqsAcmRU/sendMessage?chat_id=6445748530
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4108-24-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Control Panel\International\Geo\Nation f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe -
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:
f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe Key opened \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe Key opened \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.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 47 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exedescription pid process target process PID 4064 set thread context of 4108 4064 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exepowershell.exepowershell.exepid process 4108 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe 4112 powershell.exe 4236 powershell.exe 4236 powershell.exe 4112 powershell.exe 4108 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exepowershell.exef8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exedescription pid process Token: SeDebugPrivilege 4112 powershell.exe Token: SeDebugPrivilege 4236 powershell.exe Token: SeDebugPrivilege 4108 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exedescription pid process target process PID 4064 wrote to memory of 4112 4064 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe powershell.exe PID 4064 wrote to memory of 4112 4064 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe powershell.exe PID 4064 wrote to memory of 4112 4064 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe powershell.exe PID 4064 wrote to memory of 4236 4064 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe powershell.exe PID 4064 wrote to memory of 4236 4064 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe powershell.exe PID 4064 wrote to memory of 4236 4064 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe powershell.exe PID 4064 wrote to memory of 4972 4064 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe schtasks.exe PID 4064 wrote to memory of 4972 4064 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe schtasks.exe PID 4064 wrote to memory of 4972 4064 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe schtasks.exe PID 4064 wrote to memory of 4108 4064 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe PID 4064 wrote to memory of 4108 4064 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe PID 4064 wrote to memory of 4108 4064 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe PID 4064 wrote to memory of 4108 4064 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe PID 4064 wrote to memory of 4108 4064 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe PID 4064 wrote to memory of 4108 4064 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe PID 4064 wrote to memory of 4108 4064 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe PID 4064 wrote to memory of 4108 4064 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe -
outlook_office_path 1 IoCs
Processes:
f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe -
outlook_win_path 1 IoCs
Processes:
f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe"C:\Users\Admin\AppData\Local\Temp\f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4064 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4112 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dSirXQFPjw.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4236 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dSirXQFPjw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA9B3.tmp"2⤵
- Creates scheduled task(s)
PID:4972 -
C:\Users\Admin\AppData\Local\Temp\f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe"C:\Users\Admin\AppData\Local\Temp\f8e42f0b33b357352164af46809b4ba2fd3f213059b4f7d1a38c9df1e84e6b12_JC.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4108
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD55f9f6feba8e1085bfcf319ef59a6964e
SHA1856a3719a553282cf8c3c2ae8d08c073114f2752
SHA25604af75e88307c425aed83c82c0d95feaca1f95e90ca1148ae8fe90df5be31f14
SHA512e8e958a9b5d73a5185637a92cc0af0afc2d279dd96d3e534ae5ad3c6efbd2e490492646f19853aee89297b49f2511780bb81833c3134a768353a191918d3ce88