Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20241023-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
5c90e91232e7e16804a5e2512f56ef0f
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SHA1
0f5533f772a53f8a96710a1812d05c5db276d999
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SHA256
e4a7526ba0307eafbdf3d9ce7c5fb335fb76989a480f05de0f928d47808d5595
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SHA512
a96fe2661c18d59a6f84bfeae75eeae0db847b559808cd1f2a2485d3c651cea547a18af1435a5c3f855f31cec7b114ced112ad27b0f7f99abc751a090ff1ebc0
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SSDEEP
49152:Svkt62XlaSFNWPjljiFa2RoUYIk7waT5p+Vk/3LoGdjTHHB72eh2NT:Sv462XlaSFNWPjljiFXRoUYIzaD
Malware Config
Extracted
quasar
1.4.1
Office04
10.0.2.15:4782
d850957b-64bd-497d-9f9a-3ee4894ffc1e
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encryption_key
8F0072332E1ACC25777BCA859650B335CCE8B039
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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
Discord
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
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