General
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Target
file
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Size
305KB
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Sample
220825-y7txysaefq
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MD5
7f5b90f79bd06d2809db7e8b59a029e3
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SHA1
c91b7df4df7291be0167a5248507873fefdb93b2
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SHA256
a3b0bb72e8d8cdd176f23eedbf15736c2b7a7ec978300002d8d29ff3436697ef
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SHA512
23ced0f4c9169116e4f25ef6079ce44fce64fa312bfe7227cb357fb11fc4b6d105030203b31af9301b48bdad7e0e311feb095ae9a09942c8a5de5ab5caa4f0b2
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SSDEEP
6144:DL4dPuTnGSn/a8QcwsHLGfJeNiWz5kRmssZ+m6OMG5+gW:DcdoGSn/a8QcwqGfe5z5kR
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
socelars
https://hueduy.s3.eu-west-1.amazonaws.com/nbsdg818/
Targets
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Target
file
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Size
305KB
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MD5
7f5b90f79bd06d2809db7e8b59a029e3
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SHA1
c91b7df4df7291be0167a5248507873fefdb93b2
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SHA256
a3b0bb72e8d8cdd176f23eedbf15736c2b7a7ec978300002d8d29ff3436697ef
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SHA512
23ced0f4c9169116e4f25ef6079ce44fce64fa312bfe7227cb357fb11fc4b6d105030203b31af9301b48bdad7e0e311feb095ae9a09942c8a5de5ab5caa4f0b2
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SSDEEP
6144:DL4dPuTnGSn/a8QcwsHLGfJeNiWz5kRmssZ+m6OMG5+gW:DcdoGSn/a8QcwqGfe5z5kR
Score10/10-
Detected Djvu ransomware
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Djvu Ransomware
Ransomware which is a variant of the STOP family.
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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
Socelars is an infostealer targeting browser cookies and credit card credentials.
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Socelars payload
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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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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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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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Themida packer
Detects Themida, an advanced Windows software protection system.
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Accesses 2FA software files, possible credential harvesting
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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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Checks whether UAC is enabled
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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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