Behavioral task
behavioral1
Sample
Client-buildasfsft.exe
Resource
win7-20240419-en
General
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Target
Client-buildasfsft.exe
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Size
3.1MB
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MD5
7283732a93ee0ad04ca863c6319304cd
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SHA1
4999afc7b0dd6b3f35adf4f853cf59474be53544
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SHA256
81597ea15250b81bdaf576082f9df66389da88792bf2fe235ace6cab4fb5bb25
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SHA512
8469d657a251684234486e3ee01c86aae8fdcfb52c22fd1d47d18077fcf2b97172acfec0ede346f59236a8b65d16f096b3405b21049448c98a54944a59e3fd02
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SSDEEP
49152:BsOV92Tra60tFP+lRmdpuEobaH4UexNESEIk/iPdoGdEHTHHB72eh2NT:Bs+92Tra60tFP+lRmdcEobaHCxj1U
Malware Config
Extracted
quasar
1.4.1
WormBurry
147.185.221.20:18563
e454dd1d-96cf-4940-9da9-a8513930c74c
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encryption_key
D2C9325B8D20EE149F861F76736A565385914D8A
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install_name
GithubStart.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Github.git
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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 Client-buildasfsft.exe
Files
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Client-buildasfsft.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