General
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Target
81bea72e7a5446e2834b42e4d20371f7c95b0a0d0beb0b6b3ff20ed4d69a6d1c
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Size
243KB
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Sample
210919-2ms2psfbgl
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MD5
a09c3c781d7dda2ba51303ac5490e58b
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SHA1
f571fb5884cf9a39712012c13a67c59c8f37ef4b
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SHA256
81bea72e7a5446e2834b42e4d20371f7c95b0a0d0beb0b6b3ff20ed4d69a6d1c
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SHA512
fd5867ab30c53adcf56740a31bb877eab96edba326213a2db010b64effdfa53aa9903ba897b1d8a17cd3e2f197c2c4881cd2e40b2c207e061e15d0c7fa945d42
Static task
static1
Behavioral task
behavioral1
Sample
81bea72e7a5446e2834b42e4d20371f7c95b0a0d0beb0b6b3ff20ed4d69a6d1c.exe
Resource
win10-en
Malware Config
Extracted
smokeloader
2020
http://venerynnet1.top/
http://kevonahira2.top/
http://vegangelist3.top/
http://kingriffaele4.top/
http://arakeishant5.top/
Extracted
redline
installEXE
146.70.35.170:30905
Extracted
redline
UDP
45.9.20.20:13441
Targets
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Target
81bea72e7a5446e2834b42e4d20371f7c95b0a0d0beb0b6b3ff20ed4d69a6d1c
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Size
243KB
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MD5
a09c3c781d7dda2ba51303ac5490e58b
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SHA1
f571fb5884cf9a39712012c13a67c59c8f37ef4b
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SHA256
81bea72e7a5446e2834b42e4d20371f7c95b0a0d0beb0b6b3ff20ed4d69a6d1c
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SHA512
fd5867ab30c53adcf56740a31bb877eab96edba326213a2db010b64effdfa53aa9903ba897b1d8a17cd3e2f197c2c4881cd2e40b2c207e061e15d0c7fa945d42
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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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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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XMRig Miner Payload
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Creates new service(s)
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Downloads MZ/PE file
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Executes dropped EXE
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Modifies Windows Firewall
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Sets service image path in registry
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Deletes itself
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Loads dropped DLL
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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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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Legitimate hosting services abused for malware hosting/C2
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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 Enterprise v6
Persistence
Modify Existing Service
1New Service
1Registry Run Keys / Startup Folder
2Defense Evasion
Disabling Security Tools
1Modify Registry
3Virtualization/Sandbox Evasion
1Web Service
1