Behavioral task
behavioral1
Sample
8f506393a862fad55cbd6a1944371da3.exe
Resource
win7-20240729-en
General
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Target
8f506393a862fad55cbd6a1944371da3.exe
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Size
3.1MB
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MD5
8f506393a862fad55cbd6a1944371da3
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SHA1
5db44f4e2fc49a4d0fec122260e1df241fc4d771
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SHA256
cdca93bf140f21e38f2cc678ab01f9aea22d368e1e7ccb33e09f47fb01bed21c
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SHA512
ab0b30b541b76f7cd7d1c45c36afaf62e2bdf56e8e79395962a949afee51286a31dec41a7c8b517a0fde22a3db94bf7ddcd6489a4cedbd3180d2d1c7fec958d8
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SSDEEP
49152:av8t62XlaSFNWPjljiFa2RoUYILCV1JqLoGdmTHHB72eh2NT:avA62XlaSFNWPjljiFXRoUYILC2
Malware Config
Extracted
quasar
1.4.1
Office04
139.180.202.227:4782
21087dd4-f975-42b4-aaed-1288cf69a83d
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encryption_key
5E7B3DAD01476EEFDD0F3D1A82FA21FC75588D22
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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
Sigma
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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 8f506393a862fad55cbd6a1944371da3.exe
Files
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8f506393a862fad55cbd6a1944371da3.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