Behavioral task
behavioral1
Sample
SerialChecker.exe
Resource
win7-20240903-en
General
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Target
SerialChecker.exe
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Size
3.1MB
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MD5
70fa564a25bdd50a78764228f591f9a0
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SHA1
2d025703005c25bc35b4755321844f3adc41c974
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SHA256
9fda62581f43e3936e371ced328374f97a7ede2b9fff3748bf618977b1da495a
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SHA512
ce33af378f45752148de566ec1281a4e212b5af8e9d9d942f833f8d35a5c5d84f8657f17dc053d4bd56ae6ea556122de8039d0cab8c37d6eb5af9f89041eaff3
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SSDEEP
49152:Ovkt62XlaSFNWPjljiFa2RoUYIbnp9nr1oGdI2THHB72eh2NT:Ov462XlaSFNWPjljiFXRoUYI7p9nZ
Malware Config
Extracted
quasar
1.4.1
FN
192.168.1.217:4782
5c3e1592-9532-4a55-9a67-38ea1d723d1f
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encryption_key
53C48FEB4994411E81FCC7855A2076C90E2AC3C1
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Update
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subdirectory
FN
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 SerialChecker.exe
Files
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SerialChecker.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