General
- Target LowTunnel.exe
- Size 614KB
- Sample260918-hdryhaydqa
- SHA256 4088035cd9188bc610d89e10fa077b0ae8c58493b8259c9b69089360bc2f4b02
- MD5 e0e51ef441a4ca2217c4d247d1598591
- SHA1 01612d9f03d681cb8de871ab79665b14e09dcfdd
- SHA512 cb1fc1d541e8e9d9f427ef7d9cfff006740d7b833b4bd7d886d14025f593c357194f52c13d27eea1d489c64035ad344b3fa8340941eb0875588cb0be553e2ccb
- SSDEEP 12288:ZA7Z3vvgsnZMPVle8wCxLV3elLkaoHinRQ:ZA7Z3vvgsZGxLVwoH
- TLSH T18BD4C41CFE81F805CE2A3EB3CFE514049B7121C1AE2191562159AFFD8BA53B258E767C
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
LowTunnel.exe
Resource
win10v2004-20260911-en
Malware Config
Extracted
-
sheetrat
-
Sheet_tcwjcmmwqyakvk
-
8lntsdwibh.localto.net:3851
Targets
-
- Target LowTunnel.exe
- Size 614KB
- SHA256 4088035cd9188bc610d89e10fa077b0ae8c58493b8259c9b69089360bc2f4b02
- MD5 e0e51ef441a4ca2217c4d247d1598591
- SHA1 01612d9f03d681cb8de871ab79665b14e09dcfdd
- SHA512 cb1fc1d541e8e9d9f427ef7d9cfff006740d7b833b4bd7d886d14025f593c357194f52c13d27eea1d489c64035ad344b3fa8340941eb0875588cb0be553e2ccb
- SSDEEP 12288:ZA7Z3vvgsnZMPVle8wCxLV3elLkaoHinRQ:ZA7Z3vvgsZGxLVwoH
- TLSH T18BD4C41CFE81F805CE2A3EB3CFE514049B7121C1AE2191562159AFFD8BA53B258E767C
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detects Sheetrat obfuscated V1.8 and higher
Sheetrat aka NonEuclid RAT is a trojan written in C#.
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Detects Sheetrat obfuscated version
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Event Triggered Execution: AppInit DLLs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1AppInit DLLs
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1AppInit DLLs
1