General
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Target
0bf5d97af626a384e99746e43527da6c42d383d96fe53a92f906277f2b0d915d
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Size
129KB
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Sample
220828-zbp5kaebfq
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MD5
d9e8b07b50f9268abc7ad8e2c5ff775b
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SHA1
71b5ddbf354b7443b2bb7725d1b7ca7386e89396
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SHA256
0bf5d97af626a384e99746e43527da6c42d383d96fe53a92f906277f2b0d915d
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SHA512
ca2eb25654c6c1d59b482b46f65c2552867febcf423e60e80769d04ac2d1490f5cbdf2f667f7f1641b87cdd10fc5b0bdf37536f09dcb842a8752907c037e2041
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SSDEEP
3072:gRuaRgW4oqw2IuF7f8XJn78cn+F6rJst5ZcVN7:ouaRgfw2IuF70X+bFmst5ZcVN
Static task
static1
Behavioral task
behavioral1
Sample
0bf5d97af626a384e99746e43527da6c42d383d96fe53a92f906277f2b0d915d.exe
Resource
win10v2004-20220812-en
Malware Config
Extracted
djvu
http://acacaca.org/lancer/get.php
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extension
.qqkk
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offline_id
0MVuBxT6o3dUivEUdhCKPfN5ljxbYptbzrFZvst1
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payload_url
http://rgyui.top/dl/build2.exe
http://acacaca.org/files/1/build3.exe
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ransomnote
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Extracted
raccoon
8bdf02cee148823bdfbbb2b41964b926
http://185.112.83.116/
Extracted
socelars
https://hueduy.s3.eu-west-1.amazonaws.com/nbsdg818/
Targets
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Target
0bf5d97af626a384e99746e43527da6c42d383d96fe53a92f906277f2b0d915d
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Size
129KB
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MD5
d9e8b07b50f9268abc7ad8e2c5ff775b
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SHA1
71b5ddbf354b7443b2bb7725d1b7ca7386e89396
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SHA256
0bf5d97af626a384e99746e43527da6c42d383d96fe53a92f906277f2b0d915d
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SHA512
ca2eb25654c6c1d59b482b46f65c2552867febcf423e60e80769d04ac2d1490f5cbdf2f667f7f1641b87cdd10fc5b0bdf37536f09dcb842a8752907c037e2041
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SSDEEP
3072:gRuaRgW4oqw2IuF7f8XJn78cn+F6rJst5ZcVN7:ouaRgfw2IuF70X+bFmst5ZcVN
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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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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Socelars 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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Downloads MZ/PE file
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Executes dropped EXE
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Modifies Windows Firewall
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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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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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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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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Matrix ATT&CK v6
Persistence
Modify Existing Service
1Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
Virtualization/Sandbox Evasion
1File Permissions Modification
1Modify Registry
1