General
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Target
file.exe
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Size
607KB
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Sample
231017-y1j46saa88
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MD5
27121df06efbeded912d9bded3279f67
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SHA1
bcf41ecaccd1a8540dfabe9d9442972dbfa5970b
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SHA256
b6916e92bc3a01c59eb34f0ec8e53b20948cd4dc26e84d06ae35f3ee2fa7cdda
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SHA512
b63f2f8a9bd83e379eaccdc3780977d98b876e540b5465852811d49429d7d46e04cd5eca3d56e94f752f945196709e82c1cba8f106a87c4f4d35a311e7788731
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SSDEEP
12288:JcrNS33L10QdrXZT+tcWnvlOAYnPQY5WEtuWcy1MERYs:0NA3R5drX/WvwpnPQY0x9uME6s
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230831-en
Malware Config
Extracted
redline
installs
91.103.253.6:22884
Extracted
redline
123
51.254.67.186:16176
Targets
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Target
file.exe
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Size
607KB
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MD5
27121df06efbeded912d9bded3279f67
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SHA1
bcf41ecaccd1a8540dfabe9d9442972dbfa5970b
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SHA256
b6916e92bc3a01c59eb34f0ec8e53b20948cd4dc26e84d06ae35f3ee2fa7cdda
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SHA512
b63f2f8a9bd83e379eaccdc3780977d98b876e540b5465852811d49429d7d46e04cd5eca3d56e94f752f945196709e82c1cba8f106a87c4f4d35a311e7788731
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SSDEEP
12288:JcrNS33L10QdrXZT+tcWnvlOAYnPQY5WEtuWcy1MERYs:0NA3R5drX/WvwpnPQY0x9uME6s
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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XMRig Miner payload
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Downloads MZ/PE file
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Drops file in Drivers directory
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Stops running service(s)
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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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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Accesses cryptocurrency files/wallets, possible credential harvesting
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Matrix ATT&CK v13
Persistence
Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1