Analysis
- max time kernel
149s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
09/09/2026, 07:24
Behavioral task
behavioral1
Sample
3d0d91d0fcdd16e7bb270c57dd739d4ee33b2ca70564f9bfa7dc8c6a86b1b7cb.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
General
- Target 3d0d91d0fcdd16e7bb270c57dd739d4ee33b2ca70564f9bfa7dc8c6a86b1b7cb.exe
- Size 12.3MB
- Sample260909-h8njkatcmd
- SHA256 3d0d91d0fcdd16e7bb270c57dd739d4ee33b2ca70564f9bfa7dc8c6a86b1b7cb
- MD5 bf9e11ee6bd7a61ac0829f802e2c7fef
- SHA1 35c23ffe93c04967960e29bbf944bea66a8c225b
- SHA512 5e8ca5a0c7834ff710b0cc9cf6b2c9d01e036032e319cd6976640c304117e39f161f21ae16ac6cb872cc72a539219bfec40433ebea7df145a2c62f1a6ae6d5b8
- SSDEEP 196608:rDbmlC0CPU8bPxYfklh7MWRit6r9RXRKnpn2Wi8hPeyjmZC+gx02VYWTGcQSKonn:rDbvbPCmYn6r9RXsNdP9me5XQ+pc+
- TLSH T18FD62327B28F633EE46949360A776951093FBA61651A8CB3C6F40D4CCF2D0A11E7EE17
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1704 3d0d91d0fcdd16e7bb270c57dd739d4ee33b2ca70564f9bfa7dc8c6a86b1b7cb.tmp - Loads dropped DLL 3 IoCs
pid Process 4568 regsvr32.exe 4700 regsvr32.exe 1512 regsvr32.exe - System Location Discovery: System Language Discovery 1 TTPs 5 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 regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3d0d91d0fcdd16e7bb270c57dd739d4ee33b2ca70564f9bfa7dc8c6a86b1b7cb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3d0d91d0fcdd16e7bb270c57dd739d4ee33b2ca70564f9bfa7dc8c6a86b1b7cb.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe - Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
resource yara_rule behavioral1/memory/4768-0-0x0000000000A20000-0x0000000000AFF000-memory.dmp innosetup behavioral1/memory/4768-27-0x0000000000A20000-0x0000000000AFF000-memory.dmp innosetup - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1704 3d0d91d0fcdd16e7bb270c57dd739d4ee33b2ca70564f9bfa7dc8c6a86b1b7cb.tmp 1704 3d0d91d0fcdd16e7bb270c57dd739d4ee33b2ca70564f9bfa7dc8c6a86b1b7cb.tmp 4568 regsvr32.exe 4568 regsvr32.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1704 3d0d91d0fcdd16e7bb270c57dd739d4ee33b2ca70564f9bfa7dc8c6a86b1b7cb.tmp - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4768 wrote to memory of 1704 4768 3d0d91d0fcdd16e7bb270c57dd739d4ee33b2ca70564f9bfa7dc8c6a86b1b7cb.exe 84 PID 1704 wrote to memory of 4568 1704 3d0d91d0fcdd16e7bb270c57dd739d4ee33b2ca70564f9bfa7dc8c6a86b1b7cb.tmp 86 PID 3352 wrote to memory of 4700 3352 regsvr32.exe 103 PID 1044 wrote to memory of 1512 1044 regsvr32.exe 106
Processes
-
C:\Users\Admin\AppData\Local\Temp\3d0d91d0fcdd16e7bb270c57dd739d4ee33b2ca70564f9bfa7dc8c6a86b1b7cb.exe"C:\Users\Admin\AppData\Local\Temp\3d0d91d0fcdd16e7bb270c57dd739d4ee33b2ca70564f9bfa7dc8c6a86b1b7cb.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4768 -
C:\Users\Admin\AppData\Local\Temp\is-R5SN4.tmp\3d0d91d0fcdd16e7bb270c57dd739d4ee33b2ca70564f9bfa7dc8c6a86b1b7cb.tmp"C:\Users\Admin\AppData\Local\Temp\is-R5SN4.tmp\3d0d91d0fcdd16e7bb270c57dd739d4ee33b2ca70564f9bfa7dc8c6a86b1b7cb.tmp" /SL5="$B026C,11851075,848896,C:\Users\Admin\AppData\Local\Temp\3d0d91d0fcdd16e7bb270c57dd739d4ee33b2ca70564f9bfa7dc8c6a86b1b7cb.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1704 -
C:\Windows\SysWOW64\regsvr32.exe"regsvr32.exe" /s /u "C:\Users\Admin\AppData\Roaming\Microsoft\SystemCertificates\f21e13b0_2b09_4aa7_8481_a800486b4835.dll"3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4568
-
-
-
C:\Windows\system32\regsvr32.exeregsvr32.exe1⤵PID:5136
-
C:\Windows\system32\regsvr32.exeregsvr32.exe /s /u "C:\Users\Admin\AppData\Roaming\Microsoft\SystemCertificates\f21e13b0"_"2b09"_"4aa7"_"8481"_"a800486b4835.dll"1⤵
- Suspicious use of WriteProcessMemory
PID:3352 -
C:\Windows\SysWOW64\regsvr32.exe/s /u "C:\Users\Admin\AppData\Roaming\Microsoft\SystemCertificates\f21e13b0"_"2b09"_"4aa7"_"8481"_"a800486b4835.dll"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4700
-
-
C:\Windows\system32\regsvr32.exeregsvr32.exe /s /u "C:\Users\Admin\AppData\Roaming\Microsoft\SystemCertificates\f21e13b0"_"2b09"_"4aa7"_"8481"_"a800486b4835.dll"1⤵
- Suspicious use of WriteProcessMemory
PID:1044 -
C:\Windows\SysWOW64\regsvr32.exe/s /u "C:\Users\Admin\AppData\Roaming\Microsoft\SystemCertificates\f21e13b0"_"2b09"_"4aa7"_"8481"_"a800486b4835.dll"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1512
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\is-R5SN4.tmp\3d0d91d0fcdd16e7bb270c57dd739d4ee33b2ca70564f9bfa7dc8c6a86b1b7cb.tmp
- Size 3.5MB
- SHA256 f2036cb4fda0f758a412378b41379981361eaa5cbe98136b3fbe1fb10407f2f5
- MD5 d52540dacfb9a79f04c210c7f1f51ac7
- SHA1 642c9511bdf10c1033c4b89366d7ec2c6f5609a2
- SHA512 c4e305c82ce2797c7d61faa8fad1e7090b5517d42c7a2fb4460012d8ed05828ccaba520d0920234b955c30a993a352d2080f1d01c18cd78b2dd6f3c4aac38935
- SSDEEP 49152:d44B+lNsHPWeelGdwSxQRw9CuL0wijepA8oGd9Tg70azpkf33339nNe:OIPp70wijepoGzgbA33339nQ
- TLSH T105066C13F389653ED06B1A3B683F9254583F767029138C579BEC3A4C8E795802E3A767
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\SystemCertificates\f21e13b0_2b09_4aa7_8481_a800486b4835.dll
- Size 4.6MB
- SHA256 dae4333a8fd90383416a41df868094422e7960092cf3edbfef41bcb7b7b565f1
- MD5 01779adb8bb7f76988a5d15a75d6a0ee
- SHA1 99674770348f68ed7a4440958ade2a228c98dc92
- SHA512 c2b058caee752e93215c0961abc86c0151526d60a8351280972d0385c6ee7b2ae38de8b0eceb4d8472fd7d2f68d75a4c93b786ac02dc4f6ef74dc4e380c12c7e
- SSDEEP 98304:99xTFj/XpKQtR7Sd5v/YYCMfqv4EI5BLH2jvTkroOLdzwEj:99xTFjPpKQtR7Sd5IFMSQTHCvTkvzwEj
- TLSH T144268E11E5606875DD9B1930105FE33BE6305F24803ACAA7DF799EA4ABFF791A848307
- MD5 SHA1 SHA512 SSDEEP TLSH