Analysis
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max time kernel
142s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
26-10-2023 18:54
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.7cdaec4816187a281084f9274bed4893b2d850bad9ceb7d0bdd4571fbbaa5cb7exe_JC.exe
Resource
win7-20231025-en
Behavioral task
behavioral2
Sample
NEAS.7cdaec4816187a281084f9274bed4893b2d850bad9ceb7d0bdd4571fbbaa5cb7exe_JC.exe
Resource
win10v2004-20231020-en
General
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Target
NEAS.7cdaec4816187a281084f9274bed4893b2d850bad9ceb7d0bdd4571fbbaa5cb7exe_JC.exe
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Size
469KB
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MD5
6b676e72f5850ce4aa0f3878ac4cd1c3
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SHA1
674094e918afa0254f6dacce42d6a0c8dac57104
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SHA256
7cdaec4816187a281084f9274bed4893b2d850bad9ceb7d0bdd4571fbbaa5cb7
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SHA512
ef19530fb734e5f952f5f95f68cdf860a80d09c540a691868d007110b330bba31e5a27ac65c3b34c0764e27adb153fa6f470588e2c5323b559c3153f8ac53514
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SSDEEP
6144:Fb+wCKrBMNitx22SYwhe4nhLkgypkkeCCcFsPe35bgaG/vJZsL:J+wfr6wdSYge2I8wCcL35bgaGps
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.alualuminium.com.my - Port:
587 - Username:
[email protected] - Password:
U8G4S13#8Zk$ - Email To:
[email protected]
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/544-9-0x0000000000400000-0x0000000000424000-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:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.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 43 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
NEAS.7cdaec4816187a281084f9274bed4893b2d850bad9ceb7d0bdd4571fbbaa5cb7exe_JC.exedescription pid process target process PID 3588 set thread context of 544 3588 NEAS.7cdaec4816187a281084f9274bed4893b2d850bad9ceb7d0bdd4571fbbaa5cb7exe_JC.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegAsm.exepid process 544 RegAsm.exe 544 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 544 RegAsm.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
NEAS.7cdaec4816187a281084f9274bed4893b2d850bad9ceb7d0bdd4571fbbaa5cb7exe_JC.exedescription pid process target process PID 3588 wrote to memory of 544 3588 NEAS.7cdaec4816187a281084f9274bed4893b2d850bad9ceb7d0bdd4571fbbaa5cb7exe_JC.exe RegAsm.exe PID 3588 wrote to memory of 544 3588 NEAS.7cdaec4816187a281084f9274bed4893b2d850bad9ceb7d0bdd4571fbbaa5cb7exe_JC.exe RegAsm.exe PID 3588 wrote to memory of 544 3588 NEAS.7cdaec4816187a281084f9274bed4893b2d850bad9ceb7d0bdd4571fbbaa5cb7exe_JC.exe RegAsm.exe PID 3588 wrote to memory of 544 3588 NEAS.7cdaec4816187a281084f9274bed4893b2d850bad9ceb7d0bdd4571fbbaa5cb7exe_JC.exe RegAsm.exe PID 3588 wrote to memory of 544 3588 NEAS.7cdaec4816187a281084f9274bed4893b2d850bad9ceb7d0bdd4571fbbaa5cb7exe_JC.exe RegAsm.exe PID 3588 wrote to memory of 544 3588 NEAS.7cdaec4816187a281084f9274bed4893b2d850bad9ceb7d0bdd4571fbbaa5cb7exe_JC.exe RegAsm.exe PID 3588 wrote to memory of 544 3588 NEAS.7cdaec4816187a281084f9274bed4893b2d850bad9ceb7d0bdd4571fbbaa5cb7exe_JC.exe RegAsm.exe PID 3588 wrote to memory of 544 3588 NEAS.7cdaec4816187a281084f9274bed4893b2d850bad9ceb7d0bdd4571fbbaa5cb7exe_JC.exe RegAsm.exe -
outlook_office_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
outlook_win_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.7cdaec4816187a281084f9274bed4893b2d850bad9ceb7d0bdd4571fbbaa5cb7exe_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.7cdaec4816187a281084f9274bed4893b2d850bad9ceb7d0bdd4571fbbaa5cb7exe_JC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3588 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:544