General
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Target
C21F9C393077DA2F80A2010F93173060.exe
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Size
2.6MB
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Sample
210717-r5b13ck3q6
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MD5
c21f9c393077da2f80a2010f93173060
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SHA1
7d1f82bc1f2b8010eeac850eea8eec780235ffa6
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SHA256
5d48d87a55faec775f5c43a2dfeb936d09df03e59b731e118c772ebebd4a273f
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SHA512
c50a0cfae997865819d4cba8fc144a0fcd8df71bbf3435495d7bb6d3e398095a4d742b0a8beaff18114495bd0c3202598f467a66991fe1208f2a78f26ad2ed6e
Static task
static1
Behavioral task
behavioral1
Sample
C21F9C393077DA2F80A2010F93173060.exe
Resource
win7v20210408
Malware Config
Extracted
vidar
39.5
933
https://olegf9844.tumblr.com/
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profile_id
933
Extracted
smokeloader
2020
http://conceitosseg.com/upload/
http://integrasidata.com/upload/
http://ozentekstil.com/upload/
http://finbelportal.com/upload/
http://telanganadigital.com/upload/
Extracted
redline
Cana01
176.111.174.254:56328
Extracted
vidar
39.6
865
https://sslamlssa1.tumblr.com/
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profile_id
865
Targets
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Target
C21F9C393077DA2F80A2010F93173060.exe
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Size
2.6MB
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MD5
c21f9c393077da2f80a2010f93173060
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SHA1
7d1f82bc1f2b8010eeac850eea8eec780235ffa6
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SHA256
5d48d87a55faec775f5c43a2dfeb936d09df03e59b731e118c772ebebd4a273f
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SHA512
c50a0cfae997865819d4cba8fc144a0fcd8df71bbf3435495d7bb6d3e398095a4d742b0a8beaff18114495bd0c3202598f467a66991fe1208f2a78f26ad2ed6e
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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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 NtCreateProcessExOtherParentProcess
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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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Nirsoft
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Vidar Stealer
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Downloads MZ/PE file
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Executes dropped EXE
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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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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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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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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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