Behavioral task
behavioral1
Sample
7cda27d67f0a949f2dadc47257b74d8e484a88670ca5705b190a0bed346fe7ec.exe
Resource
win7-20231023-en
General
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Target
ff95a13f992de30157418f6e51ffde4c.bin
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Size
1.2MB
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MD5
12322dd9a3c60912e3b4dc6fc8756235
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SHA1
d9c905f6147583d588dd1ff4f77e2846c0e6ea2e
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SHA256
fe52f3eb530fa5bc81bb059184edf6ca3d58c99780079ba2d81a317592a205e9
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SHA512
4fa94d11280c21f7c5e1b97adeaf14961e8e5afe1cca1227f8db5ad354fa44968359da99a4c337aa5de650e2a0e1a217b4d20191188f5eac596ad3d66a860d56
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SSDEEP
24576:q+ktScV9MXSvXw8Z4Tq85yWXIQ0aGu9ZlLm5IezV3ST2dBdji0:gt3V9MXS4ghQV4Kr85Z86Fu0
Malware Config
Extracted
quasar
1.4.1
Office04
101.43.141.31:4782
57ddb534-15c5-46ce-b399-8006eba43d82
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encryption_key
A0B0E9CE334802750A8851DD759B32B0B297266E
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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 static1/unpack001/7cda27d67f0a949f2dadc47257b74d8e484a88670ca5705b190a0bed346fe7ec.exe family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/7cda27d67f0a949f2dadc47257b74d8e484a88670ca5705b190a0bed346fe7ec.exe
Files
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ff95a13f992de30157418f6e51ffde4c.bin.zip
Password: infected
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7cda27d67f0a949f2dadc47257b74d8e484a88670ca5705b190a0bed346fe7ec.exe.exe windows:4 windows x86 arch:x86
Password: infected
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