Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20241010-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
d3ed88ff2977884d528346aefcab8d1d
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SHA1
3f85f93fbcd43db4969d603d11a334de1d053947
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SHA256
d51970428644e1ee55c4cdfc83d2a02f179e1189ef8720693d66481e7076760a
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SHA512
1c18d69fda811ef2f6f57547160ce09dae9e0e974ffc22392bd324ebb944a31a360c5c5ff935d9912d4e83817d934cc2c5c19b9907dbd4f3f61ac9f325e5d6be
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SSDEEP
49152:OvQt62XlaSFNWPjljiFa2RoUYISCH1J4LoGdlBTHHB72eh2NT:Ovc62XlaSFNWPjljiFXRoUYISCO1
Malware Config
Extracted
quasar
1.4.1
test-rat
192.168.68.103:5000
e2bb43be-2392-4c93-9a3c-dcea173d5afd
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encryption_key
AE2F816185F134AF4E7D747D3E55802DE0F16A45
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install_name
Virus-Rat.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
rat test
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subdirectory
Rat-Test-cx
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