Behavioral task
behavioral1
Sample
5ff2becf2c56500cb71898f661c863e647a96af33db38d84d7921dc7dbf4f642.exe
Resource
win7-20240903-en
General
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Target
5ff2becf2c56500cb71898f661c863e647a96af33db38d84d7921dc7dbf4f642.exe
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Size
3.1MB
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MD5
ff8c68c60f122eb7f8473106d4bcf26c
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SHA1
0efa03e7412e7e15868c93604372d2b2e6b80662
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SHA256
5ff2becf2c56500cb71898f661c863e647a96af33db38d84d7921dc7dbf4f642
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SHA512
ab92ef844a015c3fcbfba313872b922bff54184b25623ed34f4829bd66a95af081cdeefd35425a4d3b9d9085ccf8c25045cf6093d74a5c8c35012c1b7546688e
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SSDEEP
49152:XvPD/2oga6ctePEl3s3jn7HZkgoZbnmz9QnGdBTHHB72eh2NT:XvL/2oga6ctePEl3s3L7HZkgoZbb
Malware Config
Extracted
quasar
1.4.1
Office04
193.161.193.99:20466
62455511-c72a-4743-bad9-b518c9ed4b32
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encryption_key
CE4DD36EB249EF1D16AFC772A047491835C33346
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install_name
Windows Defender SmartScreen (32 bit).exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Server Client Startup
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subdirectory
WindowsLockerZAP
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 5ff2becf2c56500cb71898f661c863e647a96af33db38d84d7921dc7dbf4f642.exe
Files
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5ff2becf2c56500cb71898f661c863e647a96af33db38d84d7921dc7dbf4f642.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