Behavioral task
behavioral1
Sample
ControlLock.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
ControlLock.exe
Resource
win10v2004-20240508-en
General
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Target
ControlLock.exe
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Size
3.1MB
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MD5
15666ecca39a4cd909eb57e66d3401c6
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SHA1
3442a7c4c5a482f1b5ba12f43da299310a323ffb
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SHA256
23b2736b81a4c1e470f4b03ce681656c43e109e73acccbcc6279589fb1b695a6
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SHA512
49001f1f25cb8ce9a402a2b71c9ae46f795a798a9d7161dce7fc64aa470570503bd9ca3b8975c53ec76f190f5d54e360beb97b4cac35c038a400fc49ba04f213
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SSDEEP
49152:Sv+lL26AaNeWgPhlmVqvMQ7XSKbr4FLoGvpFbTHHB72eh2NT:SvuL26AaNeWgPhlmVqkQ7XSKbr4d
Malware Config
Extracted
quasar
1.4.1
ControlLock
73.66.246.196:4782
39766065-e590-4bf3-8b16-5588786c4cde
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encryption_key
FF6377F726ECA29603D169F2C250624963D66B79
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install_name
WindowsDefender.exe
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log_directory
Logs
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reconnect_delay
2000
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startup_key
Windows Defender
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subdirectory
Windows
Signatures
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Quasar family
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Quasar payload 1 IoCs
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource ControlLock.exe
Files
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ControlLock.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 3.1MB - Virtual size: 3.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ