Analysis
- max time kernel
150s - max time network
133s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 04:51
Static task
static1
Behavioral task
behavioral1
Sample
2026-08-04_f6aba9dd2b76d40ae916f6395601097d_cobalt-strike_elex_icedid_njrat_vidar.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2026-08-04_f6aba9dd2b76d40ae916f6395601097d_cobalt-strike_elex_icedid_njrat_vidar.exe
Resource
win11ltsc2024-20260709-en
General
- Target 2026-08-04_f6aba9dd2b76d40ae916f6395601097d_cobalt-strike_elex_icedid_njrat_vidar.exe
- Size 4.9MB
- Sample260804-fg5yesdc29
- SHA256 0b2c473866e6c6013b67c02d498d7d89d3922fd0067686ce2e15a38fb3171446
- MD5 f6aba9dd2b76d40ae916f6395601097d
- SHA1 3482cdd9819f9507f9bbc54c97dd1d334f154ef4
- SHA512 c1726bf580c5294b03c8d6ffeb43d3300c4b089cf2ad73bca5c3feaf4030cca42739cd578d7388166c611aa6fc1a8243a7c9082bcb0519d8d0093e1d56fe5f13
- SSDEEP 49152:oKy7QeeHFw1IkSKreUnlzevKgBOl9fsaUiDbatPEHF6Z+EK/hvgcEfLUTq0gDNar:jIQ9zNBmsOqQgDNcEanicl5P
- TLSH T150366D4663F885E9E5B7D1788E7AD632EBB17C120530A34F07A0DA9B1F376205E2D721
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Deletes itself 1 IoCs
pid Process 1052 temp0a1.exe - Executes dropped EXE 4 IoCs
pid Process 1052 temp0a1.exe 744 2026-08-04_f6aba9dd2b76d40ae916f6395601097d_cobalt-strike_elex_icedid_njrat_vidar.exe 4820 Netsys.exe 900 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) \??\A: temp0a1.exe File opened (read-only) \??\S: temp0a1.exe File opened (read-only) \??\N: temp0a1.exe File opened (read-only) \??\O: temp0a1.exe File opened (read-only) \??\B: temp0a1.exe File opened (read-only) \??\H: temp0a1.exe File opened (read-only) \??\J: temp0a1.exe File opened (read-only) \??\K: temp0a1.exe File opened (read-only) \??\M: temp0a1.exe File opened (read-only) \??\P: temp0a1.exe File opened (read-only) \??\B: temp0a1.exe File opened (read-only) \??\G: temp0a1.exe File opened (read-only) \??\I: temp0a1.exe File opened (read-only) \??\Q: temp0a1.exe File opened (read-only) \??\T: temp0a1.exe File opened (read-only) \??\V: temp0a1.exe File opened (read-only) \??\W: temp0a1.exe File opened (read-only) \??\Z: temp0a1.exe File opened (read-only) \??\A: temp0a1.exe File opened (read-only) \??\D: temp0a1.exe File opened (read-only) \??\L: temp0a1.exe File opened (read-only) \??\R: temp0a1.exe File opened (read-only) \??\U: temp0a1.exe File opened (read-only) \??\X: temp0a1.exe File opened (read-only) \??\Y: 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\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 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 - Drops file in Windows directory 6 IoCs
description ioc Process File opened for modification C:\Windows\file0a0.dat 2026-08-04_f6aba9dd2b76d40ae916f6395601097d_cobalt-strike_elex_icedid_njrat_vidar.exe 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 created C:\Windows\Netsys.exe temp0a1.exe File created C:\Windows\temp0a1.exe 2026-08-04_f6aba9dd2b76d40ae916f6395601097d_cobalt-strike_elex_icedid_njrat_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 temp0a1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-04_f6aba9dd2b76d40ae916f6395601097d_cobalt-strike_elex_icedid_njrat_vidar.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language temp0a1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Netsys.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3968 2026-08-04_f6aba9dd2b76d40ae916f6395601097d_cobalt-strike_elex_icedid_njrat_vidar.exe 3968 2026-08-04_f6aba9dd2b76d40ae916f6395601097d_cobalt-strike_elex_icedid_njrat_vidar.exe 4820 Netsys.exe 4820 Netsys.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 744 2026-08-04_f6aba9dd2b76d40ae916f6395601097d_cobalt-strike_elex_icedid_njrat_vidar.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3968 wrote to memory of 1052 3968 2026-08-04_f6aba9dd2b76d40ae916f6395601097d_cobalt-strike_elex_icedid_njrat_vidar.exe 89 PID 1052 wrote to memory of 744 1052 temp0a1.exe 90 PID 4820 wrote to memory of 900 4820 Netsys.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-08-04_f6aba9dd2b76d40ae916f6395601097d_cobalt-strike_elex_icedid_njrat_vidar.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_f6aba9dd2b76d40ae916f6395601097d_cobalt-strike_elex_icedid_njrat_vidar.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3968 -
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:1052 -
C:\Users\Admin\AppData\Local\Temp\2026-08-04_f6aba9dd2b76d40ae916f6395601097d_cobalt-strike_elex_icedid_njrat_vidar.exeC:\Users\Admin\AppData\Local\Temp\2026-08-04_f6aba9dd2b76d40ae916f6395601097d_cobalt-strike_elex_icedid_njrat_vidar.exe3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:744
-
-
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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:4820 -
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:900
-
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
Loading Replay Monitor...
Downloads
- Path C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe
- Size 411KB
- SHA256 12136f3cb62790d1569714928c4bf780956bae65bca75572dd7cd3eb2898286e
- MD5 5583c24fd70a0067ea50f5f8ab5f3cdf
- SHA1 d74dd38b73860485895c12f2e6378a13c42b0521
- SHA512 add57a86cda0ef7bd9390d2663eba4b6a65a818c05c64b303d83f5e97d9f00657a6a03e09e2731389b6f7eb2b9403fb057d11a8f188f7b25709af91023f9ac0b
- SSDEEP 6144:lUg2Whzr8SfxL/2Dc33C+U4tLsUL6mmt0fSoD78uLwsehNjRMR:+AwSfxL/2Dc3jDLLmt0LDQewsAjRu
- TLSH T124946B31FA70D432C2BB0DB51B25D706683DBA204F611AC3F3E89E9D59742D2673AA17
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\2026-08-04_f6aba9dd2b76d40ae916f6395601097d_cobalt-strike_elex_icedid_njrat_vidar.exe
- Size 4.9MB
- SHA256 95ff667b36dbde1bb9bf740dd6f9e5b74ce9e0e9becd427600aca700261a8470
- MD5 9b184bbf6c7d1bacd7e292241002e5bf
- SHA1 a537ab7af82d76d6d9f73e499a93536695250373
- SHA512 8db2c3d1038569f8b5c251c209c2c9cfca400d8ed5daa99856f46bd3eca7e5a1ac6cfcc16e473e57ab29f64f8d7702db069463a4a6e969720d57d3e27b38c57e
- SSDEEP 49152:eKy7QeeHFw1IkSKreUnlzevKgBOl9fsaUiDbatPEHF6Z+EK/hvgcEfLUTq0gDNaI:dIQ9zNBmsOqQgDNcEanicl58
- TLSH T177367D4663F885E9E5B7D1788E7AD632EBB17C120530A34F07A0DA9B1F376205E2D721
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Netsys.exe
- Size 55KB
- SHA256 fd50e1ce12a36c45031896f40230a0038b6709fd6544b6da3b7865ef127beee2
- MD5 b7b0677230850a1589ea6926d73f89e0
- SHA1 5c165307a878d190f6c1c34d742c223f47bb4ccb
- SHA512 a76a32590cd9761c257f1068e6e25f49e90c5d1de976268b81cb55d1849601222b5bd1edd8ae2f0e0e44bf119e4b8e2e2f34a7e62e48dfd166248ad3857cc186
- SSDEEP 768:bkJvvqaxRyEtyZmC9Lm09Pv2pMJ0+s4t9cpO5vAjXFBS3Q70PcLHQitRr1DJSBOd:Q3qaxRyEk9LmQuyPt9cgY4PcLH7nkPc
- TLSH T110436B13F681C976E065DABC9C19D384BE3C7A30AD398096B7E90FCCDF6D190491DA92
- 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 119B
- SHA256 867b43153657c8d52618eb8b26f3317f0f208ce0e57725e1fc15ef5f69e4f3ac
- MD5 03b6b107f9f9bfed4cdb0d6d077ff3f7
- SHA1 7d17fd626d2faafbbabfda49a7be73a32ed4f8b9
- SHA512 08b0adc29935078ad26e6abfaf23242246fc677ebd01f437583e125e6b7d088be2c0376e7cbc5e660e13a1e0c1f89ff9ede2e139885f38c00a6d72ee4a30d1f4
- TLSH T1E6B09B09C195CB844415221705F64C58C051390A6FD81714EB54841455D54097C50B15
- 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 4.9MB
- SHA256 0b2c473866e6c6013b67c02d498d7d89d3922fd0067686ce2e15a38fb3171446
- MD5 f6aba9dd2b76d40ae916f6395601097d
- SHA1 3482cdd9819f9507f9bbc54c97dd1d334f154ef4
- SHA512 c1726bf580c5294b03c8d6ffeb43d3300c4b089cf2ad73bca5c3feaf4030cca42739cd578d7388166c611aa6fc1a8243a7c9082bcb0519d8d0093e1d56fe5f13
- SSDEEP 49152:oKy7QeeHFw1IkSKreUnlzevKgBOl9fsaUiDbatPEHF6Z+EK/hvgcEfLUTq0gDNar:jIQ9zNBmsOqQgDNcEanicl5P
- TLSH T150366D4663F885E9E5B7D1788E7AD632EBB17C120530A34F07A0DA9B1F376205E2D721
- MD5 SHA1 SHA512 SSDEEP TLSH