General
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Target
Server.exe
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Size
37KB
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Sample
240302-ykm6wshc64
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MD5
b3d12b297a856103adb57f5492cd6851
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SHA1
2a6ebc4e929ed73ecc3720ae01d3d16e8f7b6089
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SHA256
83b66e30244b1729ebbaf9f0921fd51c0337e638665fa1ab01e8d8237a7fe80c
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SHA512
54d38f293feb0cb43dbcd9c8ac3b787e087ce471ced0a0ce7aa72a24d43acdf4d5210633832a68def43fd5c6561069353fdb6eb29ced28cbebbf27c302481cb8
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SSDEEP
384:b1tcaCisx/WRdL5kyc/Tant5ngCmxorAF+rMRTyN/0L+EcoinblneHQM3epzXCNV:RtcmD5nc/TaPNmyrM+rMRa8Nucpt
Behavioral task
behavioral1
Sample
Server.exe
Resource
win10-20240221-en
Malware Config
Extracted
njrat
im523
4elsnurikom
6.tcp.eu.ngrok.io:12125
c52f1e45400f62b1c170da017d840dd6
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reg_key
c52f1e45400f62b1c170da017d840dd6
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splitter
|'|'|
Targets
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Target
Server.exe
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Size
37KB
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MD5
b3d12b297a856103adb57f5492cd6851
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SHA1
2a6ebc4e929ed73ecc3720ae01d3d16e8f7b6089
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SHA256
83b66e30244b1729ebbaf9f0921fd51c0337e638665fa1ab01e8d8237a7fe80c
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SHA512
54d38f293feb0cb43dbcd9c8ac3b787e087ce471ced0a0ce7aa72a24d43acdf4d5210633832a68def43fd5c6561069353fdb6eb29ced28cbebbf27c302481cb8
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SSDEEP
384:b1tcaCisx/WRdL5kyc/Tant5ngCmxorAF+rMRTyN/0L+EcoinblneHQM3epzXCNV:RtcmD5nc/TaPNmyrM+rMRa8Nucpt
Score10/10-
Disables Task Manager via registry modification
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Modifies Windows Firewall
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Drops startup file
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Executes dropped EXE
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Adds Run key to start application
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Legitimate hosting services abused for malware hosting/C2
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Drops autorun.inf file
Malware can abuse Windows Autorun to spread further via attached volumes.
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1