Behavioral task
behavioral1
Sample
7c99ac6c7825f1d7ce557dab741583a7.exe
Resource
win7-20230220-en
General
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Target
7c99ac6c7825f1d7ce557dab741583a7.exe
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Size
502KB
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MD5
7c99ac6c7825f1d7ce557dab741583a7
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SHA1
1532d8a9fa4ce1baba8e8d9546562d49cbaf7c78
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SHA256
a0da9ef618a2cce1f0f683b46298972d24137ed70b1c40e8a5248e234b1a15b0
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SHA512
9cda9308835cac213777cf5eddf2a5bfe5500f4a8633404940f91a3e3e5274f5b893bef5e7ebef4bc8881072daa5816a1d3d1f2c05ab4d36c5a3cc045d6af18e
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SSDEEP
6144:9TEgdc0YNX7IxUpGREWKiczHV08HDFHfJhM2cEOEb8Fp56RED2TrEucTR3e:9TEgdfYWxUZHTlfJVePS+2HEucde
Malware Config
Extracted
quasar
1.4.0
Office04
75.127.254.214:4782
38d93274-c24f-457c-b59d-1edd15bc1eb9
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encryption_key
4A23179249B1FA855597F4F82EB997F23C26B614
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install_name
winlogon.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
winlogon.exe
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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 7c99ac6c7825f1d7ce557dab741583a7.exe
Files
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7c99ac6c7825f1d7ce557dab741583a7.exe.exe windows 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: 498KB - Virtual size: 497KB
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