Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240729-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
c29f45e56a8e5440afaa649f1e487413
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SHA1
c30566ac9bc7b419293b5491c34953098b348ac7
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SHA256
66bc9a4e0f2a4227a412decc3fca0aac864ea03220afac1ec097d35635fd3160
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SHA512
c6098347f261b69e8d9be58ba069d23e0049c6c5682940aa05c158b98db864d99ab86aebb3968ba3745b23d2f76ca13a707b4615fd4d80ff192704a500406e54
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SSDEEP
49152:fvXI22SsaNYfdPBldt698dBcjHymxNESEVk/i/LoGdGTHHB72eh2NT:fvY22SsaNYfdPBldt6+dBcjHbxMD
Malware Config
Extracted
quasar
1.4.1
Skibdi
7.tcp.eu.ngrok.io:16233
53790885-f84e-49fe-b0f5-533bcec24786
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encryption_key
3428C8CDB24FFC56DF6BBDDEC9905C3058F7B092
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install_name
WindowsDefender.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
WindowsDefender
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subdirectory
WindowsDefender
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 Client-built.exe
Files
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Client-built.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