Analysis
- max time kernel
149s - max time network
103s - platform
windows11-21h2_x64 - resource
win11-20250619-en - resource tags
arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system - submitted
06/05/2026, 23:42
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-05-06_03481d8ab10858f7825f27f9f9905789_cryptbot_icedid_luca-stealer_njrat_stealc.exe
Resource
win10v2004-20260130-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-06_03481d8ab10858f7825f27f9f9905789_cryptbot_icedid_luca-stealer_njrat_stealc.exe
Resource
win11-20250619-en
9 signatures
150 seconds
General
- Target 2026-05-06_03481d8ab10858f7825f27f9f9905789_cryptbot_icedid_luca-stealer_njrat_stealc.exe
- Size 3.2MB
- Sample260506-3p3vcsby31
- SHA256 e80993541022ee0cf6b6d5ad227a708a6aa10776b8e25be044f1b2698c479d00
- MD5 03481d8ab10858f7825f27f9f9905789
- SHA1 f0f98ebc6c715fcdf06751f50380a97a784b8446
- SHA512 4596d2ff611be47a9e72337600a8917e74d7245b44cdd97799f833e21476f16d6728e011e1446a40894c51878a7e1d84d8078329cc22da28dab696f39b80b5b2
- SSDEEP 49152:wgTbH94YxEcbTBP+Zggjsj2zPC0XId5hQnVZ/DrCa5aTFLyuNEgp2VQ7C0xjt:r2CXBWZFsjeCRYT/gTFKgp2VQTp
- TLSH T19AF5231EE7B405FDE1A7E538CD824A46E7767C095761E6CF03A09AA61F232E08D3D712
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule behavioral2/files/0x001b00000002b166-16.dat UPX - Executes dropped EXE 1 IoCs
pid Process 1540 remote.exe - AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/files/0x001a00000002b16b-18.dat autoit_exe -
resource yara_rule behavioral2/files/0x001b00000002b166-16.dat upx - Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\367.Exe xcopy.exe File created C:\Windows\remote.exe xcopy.exe File created C:\Windows\2121.exe xcopy.exe File opened for modification C:\Windows\2121.exe xcopy.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 remote.exe - Delays execution with timeout.exe 1 IoCs
pid Process 4940 timeout.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2704 wrote to memory of 1540 2704 2026-05-06_03481d8ab10858f7825f27f9f9905789_cryptbot_icedid_luca-stealer_njrat_stealc.exe 79 PID 1540 wrote to memory of 2620 1540 remote.exe 80 PID 2620 wrote to memory of 1840 2620 cmd.exe 82 PID 2620 wrote to memory of 2676 2620 cmd.exe 83 PID 2676 wrote to memory of 4940 2676 cmd.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-06_03481d8ab10858f7825f27f9f9905789_cryptbot_icedid_luca-stealer_njrat_stealc.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-06_03481d8ab10858f7825f27f9f9905789_cryptbot_icedid_luca-stealer_njrat_stealc.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2704 -
C:\Users\Admin\AppData\Local\Temp\RarSFX0\remote.exe"C:\Users\Admin\AppData\Local\Temp\RarSFX0\remote.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1540 -
C:\Windows\system32\cmd.exe"C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\398E.tmp\398F.bat C:\Users\Admin\AppData\Local\Temp\RarSFX0\remote.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:2620 -
C:\Windows\system32\xcopy.exexcopy ".\*" "C:\Windows\" /y /q /h /s /e /k4⤵
- Drops file in Windows directory
PID:1840
-
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C:\Windows\system32\cmd.execmd /c "timeout /t 2 >nul & del /f /q "C:\Users\Admin\AppData\Local\Temp\RarSFX0\remote.exe" & if exist "C:\Windows\remote.exe" del /f /q "C:\Windows\remote.exe" & exit"4⤵
- Suspicious use of WriteProcessMemory
PID:2676 -
C:\Windows\system32\timeout.exetimeout /t 25⤵
- Delays execution with timeout.exe
PID:4940
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\398E.tmp\398F.bat
- Size 1KB
- SHA256 f147059b62e019b2d4c7e8494fe1085154de7b9569f6bd65505acfbf59a36808
- MD5 bfc34205ce452f3b93d8066d9001f45b
- SHA1 45ba37fef60b2e328af7db9b38fe8ceb21a8e1e2
- SHA512 46d69ab40d6eac7eee3cc88e9d3b8ca0d158faf9a4510bf25429047567d2a6ba7051c8b2da43fdcbdc32912bd78d8eb897d6ac8877da9e7bb4ea6fefb7f96c9a
- TLSH T12C2145B3A077230060324D916BD9A1F7E363EC47173744887E5C94C6AE125CA029F6FD
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\2121.exe
- Size 3.1MB
- SHA256 34199049b5cd19c8966fbf550fdb6319a6726068c8ee98de5b3b1df049bd0cfb
- MD5 42cb6d9dead45cbe7216db37d4efb58c
- SHA1 74f281b7b25cae9cb86f3943667c74108fc8bece
- SHA512 9737426f9a97ea4dff8a070426146e245203f3e7866686af338bccc33c529de8c9f9e8ea041bc095b9a0cafd75a7ff2f5f6f83de4f1188c767db50a71e6cab4a
- SSDEEP 98304:owGvScg7CadnOxVgqdZ+QQ1pLWogHabliR:oWhUVgnWogHabliR
- TLSH T125E501E17EAD185DF8E964B38FF9DDB8891FBCD87616112B2011726BF6337001A4A817
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\367.Exe
- Size 1.3MB
- SHA256 69325bb6a9a7e5e57c2048484c5b492540dbc7b9f8678f904e538b07bc3ce51f
- MD5 1f360f47a4c3da928d9f7761fc352149
- SHA1 ac90ff45a5efe438dbda7b9a405cefe0b9526025
- SHA512 27b39756342d9286d8e032ebcddba0d89256c316535ac03668f9cceb7ff1d53b51e37dcf49657a1c2692f51e921b8fc24791463dd3128705f0800c01971924f3
- SSDEEP 24576:vrORE29TTVx8aBRd1h1orq+GWE0Jc5bDTj1Vyv9Tvavsa:v2EYTb8atv1orq+pEiSDTj1VyvBavR
- TLSH T1CC556BC463A481ADFEAFD6768932CD12D2F17C055A72D62F06E4B7E16F33AA1152E310
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\remote.exe
- Size 70KB
- SHA256 66762a090fe667dffd50a4523f2d74bfe0e60bd24eceb6512f4cdfe9b1f88508
- MD5 6ae7bd1436d6da78e7498bc9ce203ba8
- SHA1 7d3e37b1b15a1e2fd6595f7c6f70f8fdf33bfa20
- SHA512 378bbb0713397e04cadf394606876ba77696a2324b5f9f410593a55a695d43a110b440bbabd74befb669d8d2b6c385bdbcf78b98753b04cc8bdd6b39d1e3ef66
- SSDEEP 1536:dqcmDHE9l2jV5onOelkT57Y0S73jQSlfYU8J3yYOP:7Hcolp0kf1Yh8
- TLSH T1A8634A43B6C207B2C68146B585A239BAD775D73A87165FC7D308D983DFA40F1CC722AA
- MD5 SHA1 SHA512 SSDEEP TLSH