Analysis
- max time kernel
149s - max time network
133s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/08/2026, 16:14
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
3454b56d3c6a03f7d083001f1265dd8eb2beb4bfd004fbe0d3992fdea2c4e6d0.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
3454b56d3c6a03f7d083001f1265dd8eb2beb4bfd004fbe0d3992fdea2c4e6d0.exe
Resource
win11ltsc2024-20260709-en
9 signatures
150 seconds
General
- Target 3454b56d3c6a03f7d083001f1265dd8eb2beb4bfd004fbe0d3992fdea2c4e6d0.exe
- Size 6.0MB
- Sample260802-tp6ftasvdv
- SHA256 3454b56d3c6a03f7d083001f1265dd8eb2beb4bfd004fbe0d3992fdea2c4e6d0
- MD5 4553ce87e7b9aba71fd98380a78018ad
- SHA1 122979d6c023e16886069187aaba9dd315e46ed4
- SHA512 90337f16351e12adef8f7c01c156f2c4cefd9466d877e57227d1883ff5bfeb982e9eec41710de6d5cc7db9bcbb3051c050161e471c9dd6c153763f199df04f2a
- SSDEEP 98304:i4yLwgmV6cEnO1Ym+/Ux/VOUx/VgKFqdVq4:N56IPX/T/ld4
- TLSH T19256CF0AD6DBC0D3D7ADD035C506C90FFAB2B411063583BB11B48A7A9F67A710E7A25E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
Malware Config
Signatures
- Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\5y9hJ1uZb7U = "C:\\Users\\Admin\\AppData\\Roaming\\rtbyrnb\\sToxcJ7_ZlqyE\\5y9hJ1uZb7U.exe" 5y9hJ1uZb7U.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run 5y9hJ1uZb7U.exe - Executes dropped EXE 1 IoCs
pid Process 2384 5y9hJ1uZb7U.exe - Loads dropped DLL 1 IoCs
pid Process 2384 5y9hJ1uZb7U.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 1 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 5y9hJ1uZb7U.exe - Suspicious behavior: EnumeratesProcesses 56 IoCs
pid Process 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2384 5y9hJ1uZb7U.exe - Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4336 3454b56d3c6a03f7d083001f1265dd8eb2beb4bfd004fbe0d3992fdea2c4e6d0.exe 1216 3454b56d3c6a03f7d083001f1265dd8eb2beb4bfd004fbe0d3992fdea2c4e6d0.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe 2384 5y9hJ1uZb7U.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4336 wrote to memory of 1216 4336 3454b56d3c6a03f7d083001f1265dd8eb2beb4bfd004fbe0d3992fdea2c4e6d0.exe 85 PID 1216 wrote to memory of 2384 1216 3454b56d3c6a03f7d083001f1265dd8eb2beb4bfd004fbe0d3992fdea2c4e6d0.exe 97
Processes
-
C:\Users\Admin\AppData\Local\Temp\3454b56d3c6a03f7d083001f1265dd8eb2beb4bfd004fbe0d3992fdea2c4e6d0.exe"C:\Users\Admin\AppData\Local\Temp\3454b56d3c6a03f7d083001f1265dd8eb2beb4bfd004fbe0d3992fdea2c4e6d0.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4336 -
C:\Users\Admin\AppData\Local\Temp\3454b56d3c6a03f7d083001f1265dd8eb2beb4bfd004fbe0d3992fdea2c4e6d0.exeC:\Users\Admin\AppData\Local\Temp\3454b56d3c6a03f7d083001f1265dd8eb2beb4bfd004fbe0d3992fdea2c4e6d0.exe 42013B015D01540172016401730172015D01400165016C0168016F015D0140017101710145016001750160015D0153016E0160016C0168016F0166015D01730175016301780173016F0163015D01720155016E01790162014B0136015E015B016D017001780144015D0134017801380169014B01300174015B01630136015401--a\a`2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1216 -
C:\Users\Admin\AppData\Roaming\rtbyrnb\sToxcJ7_ZlqyE\5y9hJ1uZb7U.exe"C:\Users\Admin\AppData\Roaming\rtbyrnb\sToxcJ7_ZlqyE\5y9hJ1uZb7U.exe"3⤵
- Adds policy Run key to start application
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2384
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\rtbyrnb\sToxcJ7_ZlqyE\5y9hJ1uZb7U.exe
- Size 66KB
- SHA256 03cd0dd8724b6c7aded7ce902c2249b219b7fd8deaf2a95fde45c4508d4b31e9
- MD5 83a259e487947e297d600ec95e3678f7
- SHA1 7ac0ac8806936e54bc112a48a2a781821bc73584
- SHA512 ae818f453e85e8ddfaa37e75dc5ef847aa06753852939f990bcdaa8062150a4e3c2d728687727819ec10dd460a4437d98a7c7e6dd8fa3ed2e85e91fe920e45ac
- SSDEEP 768:zefLcLp0mAL5T6lgl9k3eox5BLK35Cg4Dmiwg7btOTCQTnV:zzVBlx7KsLmM7h/GV
- TLSH T118635B46AB129B23D12687B097DBC322AB71BD617F00635BF3C4D2492DB63E1BD2251D
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\rtbyrnb\sToxcJ7_ZlqyE\5y9hJ1uZb7U.txt
- Size 143B
- SHA256 4e5b6d623d84967294d107bc7a4a3ad4b1c72cb4b4c0ca267ec54604ce89c732
- MD5 55027886b3055b0146e9d790a1857f5d
- SHA1 cf983ce054b2ba75b4994debb99b7ee743ecc65a
- SHA512 53b916e38a3e73abe84b22d637cd14112ba9ba56478a12a611ad7945c6cc902353a883dda31e370f91c08a242eb32577da885f8db6b3d86ec4664298ab1c30e6
- TLSH T18FC02B0595990C5C3203B9441AD569CEC21062119CB689EB6731709BC1F334CC012615
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\rtbyrnb\sToxcJ7_ZlqyE\Core.dll
- Size 3.3MB
- SHA256 2cbd3a468593ec9d11022a5cc4cef223be5cbd6f012ead014b91c975e0d73fe9
- MD5 1662fd71a60db77ae10f99804d04fc7d
- SHA1 7a534b336ff2814fa214e0563b7bc890b725692e
- SHA512 d0bce390a0d530c9b4cb9f6e7fcacc4b6b145804c28138f226aa966a332760b35bdb8b9497ef9a31ba1319bf8022c69f0e78a4af9c59b3de6664436916380285
- SSDEEP 49152:h60CyqQHNYTcc4iPaLxDlcvERNYTcc4iPaLxDlcvEoQAb7r0l0X:h3H2QziPqDucR2QziPqDuchsp
- TLSH T18AF5F002B442C537DA38FB31902C9FE34E4E3C454B98C8F7E699796624B55B26836F93
- MD5 SHA1 SHA512 SSDEEP TLSH