Analysis
- max time kernel
150s - max time network
134s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/08/2026, 01:46
Static task
static1
Behavioral task
behavioral1
Sample
2026-08-19_550b76c3cec6cdc97ee22c92d6d07924_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2026-08-19_550b76c3cec6cdc97ee22c92d6d07924_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe
Resource
win11ltsc2024-20260709-en
General
- Target 2026-08-19_550b76c3cec6cdc97ee22c92d6d07924_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe
- Size 6.3MB
- Sample260820-b68cmaah57
- SHA256 93fa6a3a8eb344d2d3ec1d28cbbe106e063c4260c94f53a817cbe67a932cd19d
- MD5 550b76c3cec6cdc97ee22c92d6d07924
- SHA1 6fea0f9e9472bb3538da84d15acd1510d44c7330
- SHA512 d3c4b129e1d47146512f94e33ecfa3a9ef1dbcfa3a6d617a6ca7a18f36a0a536d75418ed0831c01994d0efa95d9f9265e84938c6db83be6864e59a7019882476
- SSDEEP 98304:CIQ9zNBmsCIQ9zNBmsOqQgDNcEanicl5P:JMRB1JMRB1igDNTanbZ
- TLSH T11D666D4652F881E9E5ABE178CE6AD633EBB17C120130634F07A1DB9B1F776205E2D721
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Deletes itself 1 IoCs
pid Process 4788 temp0a1.exe - Executes dropped EXE 4 IoCs
pid Process 4788 temp0a1.exe 5136 2026-08-19_550b76c3cec6cdc97ee22c92d6d07924_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe 5096 Netsys.exe 5836 temp0a1.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\jaremore = "C:\\Windows\\Netsys.exe" temp0a1.exe - Enumerates connected drives 3 TTPs 25 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\M: temp0a1.exe File opened (read-only) \??\O: temp0a1.exe File opened (read-only) \??\P: temp0a1.exe File opened (read-only) \??\S: temp0a1.exe File opened (read-only) \??\V: temp0a1.exe File opened (read-only) \??\A: temp0a1.exe File opened (read-only) \??\G: temp0a1.exe File opened (read-only) \??\H: temp0a1.exe File opened (read-only) \??\K: temp0a1.exe File opened (read-only) \??\T: temp0a1.exe File opened (read-only) \??\W: temp0a1.exe File opened (read-only) \??\Y: temp0a1.exe File opened (read-only) \??\B: temp0a1.exe File opened (read-only) \??\J: temp0a1.exe File opened (read-only) \??\L: temp0a1.exe File opened (read-only) \??\Q: temp0a1.exe File opened (read-only) \??\R: temp0a1.exe File opened (read-only) \??\U: temp0a1.exe File opened (read-only) \??\Z: temp0a1.exe File opened (read-only) \??\I: temp0a1.exe File opened (read-only) \??\N: temp0a1.exe File opened (read-only) \??\X: temp0a1.exe File opened (read-only) \??\B: temp0a1.exe File opened (read-only) \??\A: temp0a1.exe File opened (read-only) \??\D: temp0a1.exe - Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\bb.ico temp0a1.exe - Drops file in Program Files directory 6 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe temp0a1.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe temp0a1.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe temp0a1.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe temp0a1.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe temp0a1.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe temp0a1.exe - Drops file in Windows directory 7 IoCs
description ioc Process File opened for modification C:\Windows\Netsys.exe temp0a1.exe File created C:\Windows\temp0a1.exe Netsys.exe File opened for modification C:\Windows\file0a0.dat Netsys.exe File opened for modification C:\Windows\Netsys.exe temp0a1.exe File created C:\Windows\Netsys.exe temp0a1.exe File created C:\Windows\temp0a1.exe 2026-08-19_550b76c3cec6cdc97ee22c92d6d07924_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe File opened for modification C:\Windows\file0a0.dat 2026-08-19_550b76c3cec6cdc97ee22c92d6d07924_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 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 2026-08-19_550b76c3cec6cdc97ee22c92d6d07924_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language temp0a1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Netsys.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language temp0a1.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3196 2026-08-19_550b76c3cec6cdc97ee22c92d6d07924_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe 3196 2026-08-19_550b76c3cec6cdc97ee22c92d6d07924_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe 5096 Netsys.exe 5096 Netsys.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3196 wrote to memory of 4788 3196 2026-08-19_550b76c3cec6cdc97ee22c92d6d07924_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe 89 PID 4788 wrote to memory of 5136 4788 temp0a1.exe 90 PID 5096 wrote to memory of 5836 5096 Netsys.exe 94
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-19_550b76c3cec6cdc97ee22c92d6d07924_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-19_550b76c3cec6cdc97ee22c92d6d07924_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3196 -
C:\Windows\temp0a1.exe"C:\Windows\temp0a1.exe" ejecuta2⤵
- Deletes itself
- Executes dropped EXE
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4788 -
C:\Users\Admin\AppData\Local\Temp\2026-08-19_550b76c3cec6cdc97ee22c92d6d07924_cobalt-strike_elex_icedid_njrat_stealc_vidar.exeC:\Users\Admin\AppData\Local\Temp\2026-08-19_550b76c3cec6cdc97ee22c92d6d07924_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe3⤵
- Executes dropped EXE
PID:5136
-
-
-
C:\Windows\Netsys.exeC:\Windows\Netsys.exe1⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5096 -
C:\Windows\temp0a1.exe"C:\Windows\temp0a1.exe" ejecuta2⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:5836
-
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
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Downloads
- Path C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe
- Size 10.4MB
- SHA256 65ab9272e0c9e0c180a51d61b67355846708ab78ffff54e343ec8ec8ddc6a5cd
- MD5 799e735977c232aae081ff48d223e7ad
- SHA1 6f160c398b1f039394a111bc0226175321277f45
- SHA512 37920e94ae65ea85372b5bf6dee242192a06cce4d9d2938714de012a43f75f2f9ae294914196428beb1853bd1647d639926d504898f8649b736d81096efaee21
- SSDEEP 98304:ZIQ9zNBmsCIQ9zNBmsOqQgDNcEanicl5CQvGAdlCEL8c/bRNw5CF:mMRB1JMRB1igDNTanbJvyEYc/b3w8F
- TLSH T109B66D5567F880F5E5ABE178CA7AC672F7B278020530A74F06A1CA5F2F336605E2D721
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\2026-08-19_550b76c3cec6cdc97ee22c92d6d07924_cobalt-strike_elex_icedid_njrat_stealc_vidar.exe
- Size 56KB
- SHA256 5113e7ae92f3a7aebc7f8e363209866d4d743b06a26c67e0886979a56fd3a10d
- MD5 a05b36f6129223951282f9df776761b1
- SHA1 ec87fa41a670cffa5d77f64366fe109278661f2c
- SHA512 38b588b28057994305a3abc37d98770ab7ff905cba6da35e91b2936b99823955fc91b90a23174d53337dd62e320b9bac066b76734bf657de9fad6d37071c70da
- SSDEEP 768:dE2lGZD4TzvPYNWw1Asvvzzv6t0+3eQKyvqjjUJu9zVB:c+I8K/XCKCGSqzV
- TLSH T11E436B066BB900DAE05B81B0C5E25A4BFE79F552235196CF0FB8C21A1F637C09F39766
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Netsys.exe
- Size 6.3MB
- SHA256 f858a2e51febe615a10c9875c39239512f6c582a7667c49916ea7ed8a05604e3
- MD5 19958150594f30e6df6d1f2943a65991
- SHA1 d3c389c880c36df3bd46a1ff122e3a843c267625
- SHA512 15df82926c1b1039c9cd225bf0a31f8958b1ff77ac710dcacfa94ee3db4e28a622c6d486579de027a9ae5a14112ebefee4a71ae11d2015b54de3f63104e22f0d
- SSDEEP 98304:nIQ9zNBmsCIQ9zNBmsOqQgDNcEanicl5P:IMRB1JMRB1igDNTanbZ
- TLSH T169667D4652F881E9E5ABE178CE6AD633EBB17C120130634F07A1DB9B1F776205E2D721
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\SysWOW64\bb.ico
- Size 4KB
- SHA256 823cbf89390733bd09d5541839786670d748064e50ff235928abd9e2433192b7
- MD5 84a8ab049bb249ce1b1e25d5648571a9
- SHA1 66b48c0e63f542b74a5b003af9660222c1d0f324
- SHA512 8ce3b7fa9917ee0164b3a09920aaa1ec6806159aab184e3fbb15fc58134c64957811eded9ad3d459c0c1a257aee3129473136d1800f5d89bc9adc5a43a4b6c64
- SSDEEP 48:z2pe4sdnY/3XXXXXXXXXXcDD3V+yD3/6k0vucpb:z6bsdnY/XXXXXXXXXXcDD3Vr/6Jvu6
- TLSH T19C91553EA718B8B0F98E6DB1236FC064505E7504151BCDA6B1A9FCB07F92CEA40143CE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\file0a0.dat
- Size 126B
- SHA256 4d1fec6450ab32bc4c39e6feea2ed187c2dd5e1974a523bcd4132d673b9bc9af
- MD5 30f772ce6ae2e5243f3592288262d747
- SHA1 6e30b109aaaff01c8b830441f2e2152ac4a3a9f5
- SHA512 d4faae1656598ccf78d140e2742d692e52cfb23383dd1145b2b25d558fb6f45e6e4b85ed929299307c74bb575e8ea15c74c1513a365c2e98a8cd4790dbfcd396
- TLSH T1A7B09B024ADBC9554531701745EE599DC0513C555F1C575497C4490D10D580C9864715
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\file0a0.dat
- Size 21B
- SHA256 6e4c7c0ffc239a47cd54cb7b3ea14e90e6ca2053a461ccae15a17ad8a9813c92
- MD5 6cd6ffb3c64919ce40b641a416f273e4
- SHA1 fa13a6cd9dbede42c8645a3dd8dcf07b37e042d7
- SHA512 5f1b9271554f4471b4eb08a9f47773b209c3b34f93ef732f9c7ce9bd33879c0de8c69cd5232690b1e23fbc2c8a629aac138c3a492e38c74dd2b066c6035d49fb
- MD5 SHA1 SHA512
- Path C:\Windows\temp0a1.exe
- Size 6.3MB
- SHA256 93fa6a3a8eb344d2d3ec1d28cbbe106e063c4260c94f53a817cbe67a932cd19d
- MD5 550b76c3cec6cdc97ee22c92d6d07924
- SHA1 6fea0f9e9472bb3538da84d15acd1510d44c7330
- SHA512 d3c4b129e1d47146512f94e33ecfa3a9ef1dbcfa3a6d617a6ca7a18f36a0a536d75418ed0831c01994d0efa95d9f9265e84938c6db83be6864e59a7019882476
- SSDEEP 98304:CIQ9zNBmsCIQ9zNBmsOqQgDNcEanicl5P:JMRB1JMRB1igDNTanbZ
- TLSH T11D666D4652F881E9E5ABE178CE6AD633EBB17C120130634F07A1DB9B1F776205E2D721
- MD5 SHA1 SHA512 SSDEEP TLSH