General
- Target oo1neescdivyhajn.scr
- Size 12.0MB
- Sample260720-prl3qsat5j
- SHA256 d40e0bdc29b1f16108f6651a3812c2f862682e6ae2ac097ba221751c433a34ad
- MD5 1c6ea87dc12c888ebb142f4537117cc9
- SHA1 1b3fa0d69ab84fe723c06f744b12edd7cc19e1f7
- SHA512 31b4acce7163e555e049353e1db188618aa74ed66ce00e8ebf10468e78b55860215351abebf4f2bf486403d755f58cd3186755f7e1fc678339807d614c1c7ba9
- SSDEEP 6144:gyAsPP9wz4ZoeETEW1gbpJA3KpSL0pD01fKb:gyAa9ULePJA3KY0pYt
- TLSH T1ECC65A43BBD100BAD5BE453844735618A77AF8218B62EBDF169404ED0E27BC6DD38F62
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
oo1neescdivyhajn.scr
Resource
win10ltsc2021-20260513-en
Malware Config
Targets
-
- Target oo1neescdivyhajn.scr
- Size 12.0MB
- SHA256 d40e0bdc29b1f16108f6651a3812c2f862682e6ae2ac097ba221751c433a34ad
- MD5 1c6ea87dc12c888ebb142f4537117cc9
- SHA1 1b3fa0d69ab84fe723c06f744b12edd7cc19e1f7
- SHA512 31b4acce7163e555e049353e1db188618aa74ed66ce00e8ebf10468e78b55860215351abebf4f2bf486403d755f58cd3186755f7e1fc678339807d614c1c7ba9
- SSDEEP 6144:gyAsPP9wz4ZoeETEW1gbpJA3KpSL0pD01fKb:gyAa9ULePJA3KY0pYt
- TLSH T1ECC65A43BBD100BAD5BE453844735618A77AF8218B62EBDF169404ED0E27BC6DD38F62
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detects Sheetrat Payload
Sheetrat aka NonEuclid RAT is a trojan written in C#.
-
UAC bypass
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Executes dropped EXE
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Indicator Removal: Clear Windows Event Logs
Clear Windows Event Logs to hide the activity of an intrusion.
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Checks whether UAC is enabled
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Drops file in System32 directory
MITRE ATT&CK Enterprise v16
Persistence
Create or Modify System Process
1Windows Service
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
2Disable or Modify Tools
2Indicator Removal
1Clear Windows Event Logs
1Modify Registry
3Pre-OS Boot
1Bootkit
1