Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
03/05/2026, 01:38
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-05-03_c8fa69eb7f3632bd506ba7ec5095b726_icedid_njrat_ryuk.exe
Resource
win10v2004-20260130-en
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-03_c8fa69eb7f3632bd506ba7ec5095b726_icedid_njrat_ryuk.exe
Resource
win11-20260130-en
4 signatures
150 seconds
General
- Target 2026-05-03_c8fa69eb7f3632bd506ba7ec5095b726_icedid_njrat_ryuk.exe
- Size 940KB
- Sample260503-b2qa9aat91
- SHA256 478815a56b3abf92bb82e6ce5aea6e5d8d87cb109152290dfc8a15427b516578
- MD5 c8fa69eb7f3632bd506ba7ec5095b726
- SHA1 2af586ff9cbaa1b5fcf9b322b95289b8c58e182b
- SHA512 d950daa481d768c0991b6f2205c02000e51cc0d3bc0f9ef83137bcd9af57683e7ae6d47f349baff9a8fc1b68d9020e3764d187d7af57896f67f534b0627e0bf4
- SSDEEP 24576:hrLBUTPdoMhKjcHTYEiN9Av/DKNSbS4gV:hrLBUbeMhZHTYEifCSWS4
- TLSH T11625F149F7E900F5E92BC13DC9A28916D672B85D0364E7DF43984B691E237E24E3E720
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3868 alg.exe - Drops file in System32 directory 3 IoCs
description ioc Process File opened for modification C:\Windows\system32\AppVClient.exe 2026-05-03_c8fa69eb7f3632bd506ba7ec5095b726_icedid_njrat_ryuk.exe File opened for modification C:\Windows\system32\dllhost.exe 2026-05-03_c8fa69eb7f3632bd506ba7ec5095b726_icedid_njrat_ryuk.exe File opened for modification C:\Windows\System32\alg.exe 2026-05-03_c8fa69eb7f3632bd506ba7ec5095b726_icedid_njrat_ryuk.exe - Suspicious behavior: LoadsDriver 2 IoCs
pid Process 684 Process not Found 684 Process not Found - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeTakeOwnershipPrivilege 4756 2026-05-03_c8fa69eb7f3632bd506ba7ec5095b726_icedid_njrat_ryuk.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-03_c8fa69eb7f3632bd506ba7ec5095b726_icedid_njrat_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-03_c8fa69eb7f3632bd506ba7ec5095b726_icedid_njrat_ryuk.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:4756
-
C:\Windows\System32\alg.exeC:\Windows\System32\alg.exe1⤵
- Executes dropped EXE
PID:3868
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
- Path C:\Windows\System32\alg.exe
- Size 676KB
- SHA256 8359b62288e21bd72b28a47b3aab5228ef3539a76afd9b714e07f44b3cd2071d
- MD5 e74713609fc33103cf72bbff6efbdf00
- SHA1 da559576801003f3bc341eb978e20bd1b814638d
- SHA512 943f5f2f098cd2549e5b654ca37a5ac5298a180128cd9a5be46520ce4de5d11bef753c0bb05a28485e41bdb8caf9692984a1817b007f23a7486adb8101d9a885
- SSDEEP 12288:AlYJeXm5nkEUuEvEXdoMhKWQprIH2KYjgPqgi9+hv/l5KdP5kbSGtnZkbTxaJ:AlYJeXm5jUuEWdoMhKjcHTYEiN9Av/Dc
- TLSH T1E6E4124D76EC20E5E22EC47A98A28984D336F476135113FF92D0D27D4E27AE26E39F50
- MD5 SHA1 SHA512 SSDEEP TLSH