Resubmissions
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240408-q2dpsaae25 1021-11-2023 22:21
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230416-rtht7sad45 10General
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Target
106445763c386e992ded6aa68f37f2dd77272d6ea3c6fff34eb70c5ef094aa34
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Size
1.2MB
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Sample
230408-tyxj9seb35
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MD5
5b3b6822964b4151c6200ecd89722a86
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SHA1
ce7a11dae532b2ade1c96619bbdc8a8325582049
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SHA256
106445763c386e992ded6aa68f37f2dd77272d6ea3c6fff34eb70c5ef094aa34
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SHA512
2f0d99af35c326cf46810c7421325deb55ae7ca36a8edc2716a3d32d9e6769e0d374581a98912e22fceeb6973e972463ed8b2fa4d4399043c443fa100dfd17b0
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SSDEEP
24576:5yY4YriuQJ5X4SuIcmuBLahxwUzN1YyqoVKucvTNLF9:sY4FuIahGxRMoobNLF
Static task
static1
Behavioral task
behavioral1
Sample
106445763c386e992ded6aa68f37f2dd77272d6ea3c6fff34eb70c5ef094aa34.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
106445763c386e992ded6aa68f37f2dd77272d6ea3c6fff34eb70c5ef094aa34.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
redline
ronur
193.233.20.20:4134
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auth_value
f88f86755a528d4b25f6f3628c460965
Targets
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Target
106445763c386e992ded6aa68f37f2dd77272d6ea3c6fff34eb70c5ef094aa34
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Size
1.2MB
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MD5
5b3b6822964b4151c6200ecd89722a86
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SHA1
ce7a11dae532b2ade1c96619bbdc8a8325582049
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SHA256
106445763c386e992ded6aa68f37f2dd77272d6ea3c6fff34eb70c5ef094aa34
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SHA512
2f0d99af35c326cf46810c7421325deb55ae7ca36a8edc2716a3d32d9e6769e0d374581a98912e22fceeb6973e972463ed8b2fa4d4399043c443fa100dfd17b0
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SSDEEP
24576:5yY4YriuQJ5X4SuIcmuBLahxwUzN1YyqoVKucvTNLF9:sY4FuIahGxRMoobNLF
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InfinityLock Ransomware
Also known as InfinityCrypt. Based on the open-source HiddenTear ransomware.
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Modifies WinLogon for persistence
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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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Adds policy Run key to start application
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Blocklisted process makes network request
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Downloads MZ/PE file
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Drops file in Drivers directory
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Modifies Installed Components in the registry
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Modifies extensions of user files
Ransomware generally changes the extension on encrypted files.
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Sets file execution options 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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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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Registers COM server for autorun
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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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Drops Chrome extension
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Drops desktop.ini file(s)
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Legitimate hosting services abused for malware hosting/C2
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v6
Persistence
Bootkit
1Modify Existing Service
1Registry Run Keys / Startup Folder
5Winlogon Helper DLL
1Defense Evasion
Disabling Security Tools
2Install Root Certificate
1Modify Registry
9Web Service
1