Behavioral task
behavioral1
Sample
3.exe
Resource
win7-20231023-en
General
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Target
3.exe
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Size
3.1MB
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MD5
fc4aeba6edc65fcf2bd47bf61c66ca4c
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SHA1
532f44164ccec22376d6e29f58f44934dfeadb5c
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SHA256
0a6e5f7ca85a281115b343cb8be21e969ab42efb02ff8cc138c7800291839c8d
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SHA512
3c72078fdacbe38418b4a8ffc34e895a69e8c7df5175f0207b56c5ae4f043b3571e05e6e38e5100b21af52e05e80dfee27ff1a44a687d8ae380efda7b11f43d1
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SSDEEP
49152:ev1t62XlaSFNWPjljiFa2RoUYIjjjYmzYaoGd4THHB72eh2NT:evH62XlaSFNWPjljiFXRoUYIjjj3
Malware Config
Extracted
quasar
1.4.1
Office04
127.0.0.7:5555
6f01cc79-8527-4436-a34a-473fcf92b46f
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encryption_key
D52EA8296126E8DD7D221BC02E2826F1CAA96C78
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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
Quasar Client Startup
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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 3.exe
Files
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3.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