Analysis
- user interaction
yes - max time kernel
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
19/05/2026, 23:17
Behavioral task
behavioral1
Sample
papercut-print-logger.exe
Resource
win10v2004-20260513-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
papercut-print-logger.exe
Resource
win11-20260513-en
12 signatures
150 seconds
General
- Target papercut-print-logger.exe
- Size 1000KB
- Sample260519-29xcmsdw2x
- SHA256 4e01eeea0568ea35a5fc774388ef931caa7b1a07a4039b4fc3e46ac3d9fe21f9
- MD5 e1b150e9cb04dc5500c4dd97fdbfcfde
- SHA1 bcb07a5a19cedf2636dbb9ac9ebd8bbfd1e11278
- SHA512 19afb123c1e23fe0848720af1186bf8ca5b77d597d66597c7483149c599558e28c599874b959dba89287bdf6277787bc94303737689e354d7e9177cd7bd3b0c6
- SSDEEP 24576:hMjhciQmxTdcpZ58N8uH9XGBbBRdLy2yWkj:YXQ+TebS8uduRJgj
- TLSH T16F251203F3C30435E4791938985994586E237D7928E6243A2DFCCE4F0EBD3D5687BAA6
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3348 papercut-print-logger.tmp - 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 papercut-print-logger.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language papercut-print-logger.tmp - Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
resource yara_rule behavioral1/memory/440-0-0x0000000000400000-0x000000000042D000-memory.dmp innosetup behavioral1/memory/440-14-0x0000000000400000-0x000000000042D000-memory.dmp innosetup - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 440 wrote to memory of 3348 440 papercut-print-logger.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\papercut-print-logger.exe"C:\Users\Admin\AppData\Local\Temp\papercut-print-logger.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:440 -
C:\Users\Admin\AppData\Local\Temp\is-LD83B.tmp\papercut-print-logger.tmp"C:\Users\Admin\AppData\Local\Temp\is-LD83B.tmp\papercut-print-logger.tmp" /SL5="$8016A,551385,140800,C:\Users\Admin\AppData\Local\Temp\papercut-print-logger.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3348
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\is-LD83B.tmp\papercut-print-logger.tmp
- Size 1.1MB
- SHA256 9461ae8a13a57c0d8490916dc1e1bb20cb0c171b9852d0846a03c4c4d212f204
- MD5 b277e6ac242fcbc37f4d03e1528949c1
- SHA1 2602407044a6bad216d3856eaf8fb990e0f1094f
- SHA512 80d8b934ff63e4a7df3dabb9e6435c2d5ea542624b238be8a27b53c63be8dc244d46d4d9db1950b6d67d91dde12f3d819e7e4453536595d6385c65d2c6bbf5f7
- SSDEEP 24576:Kh+EpSGP3ZEgRhuRKOODzjJBwjOGfcCUWgEf0ZsMCmGJHxyA:Ya+PjJaEWZAsTv
- TLSH T142354B22A3D24433D5732F759D6B82946C35BD202EB4E94A7EF89E0C0E79B817D35392
- MD5 SHA1 SHA512 SSDEEP TLSH