Behavioral task
behavioral1
Sample
be1aee7f2f23134ba2fb4f2d05a5c5819518f88ccaba7fcbf2524ceda72f6ff5.exe
Resource
win7-20240221-en
General
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Target
be1aee7f2f23134ba2fb4f2d05a5c5819518f88ccaba7fcbf2524ceda72f6ff5
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Size
3.1MB
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MD5
37d9cc2f98c4cbfea148c153ead3d63d
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SHA1
67245419711e511b4b06836526dd3eca8296f7d2
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SHA256
be1aee7f2f23134ba2fb4f2d05a5c5819518f88ccaba7fcbf2524ceda72f6ff5
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SHA512
8a1b6398f30afa7c023d501f149a22d66ea134ab0ba381f1dc4f5c99d03270aac65971f4d7bef66a9d290eda3b4484a17a4a08f82c331201001423f8cb21929e
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SSDEEP
49152:avBt62XlaSFNWPjljiFa2RoUYIXxOEMktk/JxfoGdcTHHB72eh2NT:avr62XlaSFNWPjljiFXRoUYIXxwl
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.0.120:4782
9fde5542-6125-4272-a814-17dab286fa9f
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encryption_key
7D71500E67A8C0039FEB5CC2A22FA4DAC65EF711
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install_name
Temp.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
svchost
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subdirectory
SubDir
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 be1aee7f2f23134ba2fb4f2d05a5c5819518f88ccaba7fcbf2524ceda72f6ff5
Files
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be1aee7f2f23134ba2fb4f2d05a5c5819518f88ccaba7fcbf2524ceda72f6ff5.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