Analysis
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max time kernel
131s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
23-10-2023 16:55
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe
Resource
win10v2004-20231020-en
General
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Target
NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe
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Size
511KB
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MD5
a73e719f752678044373f6040d958e99
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SHA1
ac782c945ea27230b1a87c6d1664cef5870540f6
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SHA256
3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9f
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SHA512
a3a36e382e6d4aac50f33d56ec259d10c8f01c7fad8d381e7475afecb8d9104bcce314631b23380f594e708f1d1ddbd4ef4a9529608271068e4d748456db5d77
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SSDEEP
12288:s/jaavJ3PH+xVXbTUpYBFVUYpxsMstXWGogkqwz:sL/vd2XUuBw2xsMUWGZk
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
smtp.1tcl.com - Port:
25 - Username:
[email protected] - Password:
RRa*ysS8
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2772-10-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2772-11-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2772-14-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2772-17-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2772-19-0x0000000000400000-0x0000000000424000-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:
NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-274829-3448035668-3231875956-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe Key opened \REGISTRY\USER\S-1-5-21-274829-3448035668-3231875956-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe Key opened \REGISTRY\USER\S-1-5-21-274829-3448035668-3231875956-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_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 2 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exedescription pid process target process PID 2512 set thread context of 2772 2512 NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exepid process 2772 NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe 2772 NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exedescription pid process Token: SeDebugPrivilege 2772 NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exedescription pid process target process PID 2512 wrote to memory of 2772 2512 NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe PID 2512 wrote to memory of 2772 2512 NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe PID 2512 wrote to memory of 2772 2512 NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe PID 2512 wrote to memory of 2772 2512 NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe PID 2512 wrote to memory of 2772 2512 NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe PID 2512 wrote to memory of 2772 2512 NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe PID 2512 wrote to memory of 2772 2512 NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe PID 2512 wrote to memory of 2772 2512 NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe PID 2512 wrote to memory of 2772 2512 NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe -
outlook_office_path 1 IoCs
Processes:
NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-274829-3448035668-3231875956-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe -
outlook_win_path 1 IoCs
Processes:
NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-274829-3448035668-3231875956-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2512 -
C:\Users\Admin\AppData\Local\Temp\NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.3f17b75014b3eb38b7c62f4ced6ba7777733bdd04a164194afde81369ab9fb9fexe_JC.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2772