Analysis
- max time kernel
149s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
30/08/2026, 22:33
General
- Target 65b6bbdaff6d8951f349f5b850381235862f816892671cbbbe4831553c279571.exe
- Size 215KB
- Sample260830-2gtfaa1fla
- SHA256 65b6bbdaff6d8951f349f5b850381235862f816892671cbbbe4831553c279571
- MD5 60e388148a9c7afddeb39695a1515888
- SHA1 92e1838e2919f8d56939069abaf7f77407d4827a
- SHA512 28a0cb4bbd520c979a1bd47d167b6ef5404d1f14bf55e52ef283f93a5c0cd45de3439cd2b189ba1ff9609234ce6fba9e39a09eba2e37462d1dd01e77ff61ea72
- SSDEEP 1536:P5AiTLOQ74YDtnlN5UL09atT0mBBAragjSvIYFwAmd/ojQpNulq:P53mQ7JtnP5I09qgmBBAWgjSvwN/ojWT
- TLSH T1A9245B21F711C02AE4D141FED69B8B76B5AC5F311B0820E7D3E07AEA67351EAB93144B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Duptwux 5 IoCs
resource yara_rule behavioral1/memory/3100-0-0x0000000000400000-0x0000000000455000-memory.dmp family_duptwux behavioral1/files/0x000300000001e696-7.dat family_duptwux behavioral1/memory/3100-15-0x0000000000400000-0x0000000000455000-memory.dmp family_duptwux behavioral1/memory/4776-13-0x0000000000400000-0x0000000000455000-memory.dmp family_duptwux behavioral1/memory/4776-17-0x0000000000400000-0x0000000000455000-memory.dmp family_duptwux - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\Control Panel\International\Geo\Nation 65b6bbdaff6d8951f349f5b850381235862f816892671cbbbe4831553c279571.exe - Executes dropped EXE 1 IoCs
pid Process 4776 jusched.exe - Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\b93f188d\jusched.exe 65b6bbdaff6d8951f349f5b850381235862f816892671cbbbe4831553c279571.exe File created C:\Program Files (x86)\b93f188d\b93f188d 65b6bbdaff6d8951f349f5b850381235862f816892671cbbbe4831553c279571.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\Update23.job 65b6bbdaff6d8951f349f5b850381235862f816892671cbbbe4831553c279571.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 65b6bbdaff6d8951f349f5b850381235862f816892671cbbbe4831553c279571.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jusched.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3100 wrote to memory of 4776 3100 65b6bbdaff6d8951f349f5b850381235862f816892671cbbbe4831553c279571.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\65b6bbdaff6d8951f349f5b850381235862f816892671cbbbe4831553c279571.exe"C:\Users\Admin\AppData\Local\Temp\65b6bbdaff6d8951f349f5b850381235862f816892671cbbbe4831553c279571.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3100 -
C:\Program Files (x86)\b93f188d\jusched.exe"C:\Program Files (x86)\b93f188d\jusched.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4776
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files (x86)\b93f188d\b93f188d
- Size 17B
- SHA256 7ec7a3a23890c3592f5b762aecf11adbf8831fad11b8048aedfa7315d599c5f2
- MD5 4d77d6b250ffb567743b8dbcdad695b8
- SHA1 d5a8f98f9433f6d36c74df463cef3e2cf524462d
- SHA512 5655153049101fd67125d484c81f1ad30b44f36f00e3aabfe8d730a21661f4b394357b60da549289def4311b4cc7bd508d8fd6b8db254cd442b2152f8902bd71
- MD5 SHA1 SHA512
- Path C:\Program Files (x86)\b93f188d\jusched.exe
- Size 215KB
- SHA256 3a72481510e67adac1f4be7c45d885edc32cf868f9ae99d9797e670112f6bfbc
- MD5 bf4dba19d65eeb2c7c45fb1f2ea08238
- SHA1 fdb355ad6308b2da6dd388cbfa70341ee353b419
- SHA512 b54db192f2e1c271d48324e61541684162152d3a6ebbc20b30bae68eebf5d523571313d9354c89688ebf639c1a096bb7427068054d96086c40d3808cab65519e
- SSDEEP 1536:P5AiTLOQ74YDtnlN5UL09atT0mBBAragjSvIYFwAmd/oQQpNulu:P53mQ7JtnP5I09qgmBBAWgjSvwN/oQWL
- TLSH T1D8245B21F711C02AE4D141FED69B8B76B5AC5F311B0820E7D3E07AEA67351EAB93144B
- MD5 SHA1 SHA512 SSDEEP TLSH