General
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Target
file.exe
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Size
386KB
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Sample
230211-byjdjaac4y
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MD5
598517684bc8ce60eb52508344a0ac3a
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SHA1
48f64ccfdee624959def9ccfc5cd8807f71df8a8
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SHA256
3108e1d58e5107026aeb83ecb1cc7335982a1b252a694a64c698cf622ffc19f7
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SHA512
430fb1bafd3f938f7ff69548b06f43bc1536968aaad66e093b402ae58787f6408c499e2415361d210ab119869b4a02f13d5be4e86fa16203311cc9ecb35c473f
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SSDEEP
3072:slKbeiazdGz45xv8/unwlHtCyWZalKB9gO6PM8qRi0Qo7sTmOGDZymp5YRZUUEy8:8KYdVv8/zHtdualKBWOGMdkT1EZt5D
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
Malware Config
Extracted
djvu
http://bihsy.com/lancer/get.php
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extension
.vvoo
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offline_id
9c20OtJsXdFeF07b1IeFK5ERGv1zIb659YG380t1
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payload_url
http://uaery.top/dl/build2.exe
http://bihsy.com/files/1/build3.exe
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ransomnote
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Extracted
redline
kvmwwgas2
147.135.165.21:36456
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auth_value
970cf61117a09beac174b1ec73ba1e0e
Extracted
vidar
2.4
19
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profile_id
19
Extracted
laplas
http://45.159.189.105
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api_key
ad75d4e2e9636ca662a337b6e798d36159f23acfc89bbe9400d0d451bd8d69fd
Targets
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Target
file.exe
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Size
386KB
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MD5
598517684bc8ce60eb52508344a0ac3a
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SHA1
48f64ccfdee624959def9ccfc5cd8807f71df8a8
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SHA256
3108e1d58e5107026aeb83ecb1cc7335982a1b252a694a64c698cf622ffc19f7
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SHA512
430fb1bafd3f938f7ff69548b06f43bc1536968aaad66e093b402ae58787f6408c499e2415361d210ab119869b4a02f13d5be4e86fa16203311cc9ecb35c473f
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SSDEEP
3072:slKbeiazdGz45xv8/unwlHtCyWZalKB9gO6PM8qRi0Qo7sTmOGDZymp5YRZUUEy8:8KYdVv8/zHtdualKBWOGMdkT1EZt5D
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Detected Djvu ransomware
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Detects Smokeloader packer
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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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Suspicious use of NtCreateUserProcessOtherParentProcess
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Downloads MZ/PE file
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Stops running service(s)
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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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Modifies file permissions
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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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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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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v6
Persistence
Modify Existing Service
1Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
File and Directory Permissions Modification
1Impair Defenses
1Modify Registry
1