Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
27/05/2026, 10:39
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-05-27_bfcf7109ebd231488aee35741904e3bb_cobalt-strike_icedid_luca-stealer_njrat_stealc_vidar.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-27_bfcf7109ebd231488aee35741904e3bb_cobalt-strike_icedid_luca-stealer_njrat_stealc_vidar.exe
Resource
win11-20260513-en
6 signatures
150 seconds
General
- Target 2026-05-27_bfcf7109ebd231488aee35741904e3bb_cobalt-strike_icedid_luca-stealer_njrat_stealc_vidar.exe
- Size 3.7MB
- Sample260527-mp45esdx9v
- SHA256 8381bb02aa12b465bd40484fae65678bb1cd1f0bba501fbcd91384cb1bd463b4
- MD5 bfcf7109ebd231488aee35741904e3bb
- SHA1 617f9ff53e711052170bd376a6e20509a93dbfa3
- SHA512 ec01e4e03fcfd52a8000aae43f7e94f4accca29c96956c7c13e4911d01f8169b4fb04f7e18e68cdcf4893af0aeca624b55528908060ecc11279684af015c1d15
- SSDEEP 49152:aGDgqkLPHmQCDnm7wnfdEyeayb2JnSzbqr76O/A0UN76ZTjut30YamdtXY:aqQCDnm0nf2yUUZAY
- TLSH T14906AE4AA2AB01ECC1A794BCC5299613E334741D13D04FF746E885A61F57AE4BF7EB02
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 2752 apprt2e95.exe 4924 apprt2e95.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1636999435-3883760687-346127294-1000\Software\Microsoft\Windows\CurrentVersion\Run\AppRt2e95 = "C:\\Users\\Admin\\AppData\\Local\\AppRt2e95\\apprt2e95.exe" 2026-05-27_bfcf7109ebd231488aee35741904e3bb_cobalt-strike_icedid_luca-stealer_njrat_stealc_vidar.exe - Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 2 checkip.amazonaws.com 2 api.ipify.org 2 ip-api.com 4 api.ipify.org - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 2026-05-27_bfcf7109ebd231488aee35741904e3bb_cobalt-strike_icedid_luca-stealer_njrat_stealc_vidar.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 2026-05-27_bfcf7109ebd231488aee35741904e3bb_cobalt-strike_icedid_luca-stealer_njrat_stealc_vidar.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2476 2026-05-27_bfcf7109ebd231488aee35741904e3bb_cobalt-strike_icedid_luca-stealer_njrat_stealc_vidar.exe 2476 2026-05-27_bfcf7109ebd231488aee35741904e3bb_cobalt-strike_icedid_luca-stealer_njrat_stealc_vidar.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2476 wrote to memory of 2752 2476 2026-05-27_bfcf7109ebd231488aee35741904e3bb_cobalt-strike_icedid_luca-stealer_njrat_stealc_vidar.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-27_bfcf7109ebd231488aee35741904e3bb_cobalt-strike_icedid_luca-stealer_njrat_stealc_vidar.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-27_bfcf7109ebd231488aee35741904e3bb_cobalt-strike_icedid_luca-stealer_njrat_stealc_vidar.exe"1⤵
- Adds Run key to start application
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2476 -
C:\Users\Admin\AppData\Local\AppRt2e95\apprt2e95.exe"C:\Users\Admin\AppData\Local\AppRt2e95\apprt2e95.exe"2⤵
- Executes dropped EXE
PID:2752
-
-
C:\Users\Admin\AppData\Local\AppRt2e95\apprt2e95.exeC:\Users\Admin\AppData\Local\AppRt2e95\apprt2e95.exe1⤵
- Executes dropped EXE
PID:4924
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\AppRt2e95\apprt2e95.exe
- Size 3.7MB
- SHA256 82295bcb63e1987795a1ee63e39e6ec917a98a907b07aa25bca6001cae0b6faa
- MD5 6edb465d1e63b0abeb52d979d594d407
- SHA1 f4ca0cde2d0f20e6cd0bf0fea1281adbb71756d5
- SHA512 8ae53a53a5d1c96384249e38f660ea4af517400b0b7180df65ff8ee8648f4f6770c6be0cf060c9bc5b42b19cc5d704945f59c70793c60b982775286e45383f39
- SSDEEP 49152:aGDgqkLPHmQCDnm7wnfdEyeayb2JnSzbqr76O/A0UN76ZTjut30YaUdMXm:aqQCDnm0nf2yUUZlm
- TLSH T1B206AE4AA2AB01ECC1A794BCC5299613E334741D13D04FF746E885A61F57AE4BF7EB02
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\log_2026-05_2476.txt
- Size 861B
- SHA256 bb3d37eeee6eb261f6d4246e12d1a1c3d2c1a600ccde686edd389b711c16f439
- MD5 ef70ed81ec9c9a9e7c073a1af120b9b4
- SHA1 8fd4496c895ff8e6464c451579f89edb655a217c
- SHA512 83cf05c3d2dcc75b342a660fc1c27267b283096f25d81e7114ba94ee238755c47a6f5f9915ce97630285682af502ca13af2361399681c72ba8e6b7758f20e4c7
- TLSH T18D11480267AFB5FF61617A8FF3E45E822C28350B8F8165217B14815E10E5E1657E8BBC
- MD5 SHA1 SHA512 TLSH