General
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Target
1fea532c75a33209f094f835261b4f579613a7b2ece7f046a11309d34537f8d5
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Size
3.1MB
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MD5
e606a8d90dc0458e72508b428e950038
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SHA1
5ca61eaf0e2d26e1cf70ff2da183440fe2792081
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SHA256
1fea532c75a33209f094f835261b4f579613a7b2ece7f046a11309d34537f8d5
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SHA512
e0b0a4c33f9256415802beed59913b3db9b02b146eebd9f599abfd2099dc5a4695e2163c6b5a481ff6f52e68173463347b4cd2e5e238a01f75c0c06a79c04dc4
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SSDEEP
49152:evlt62XlaSFNWPjljiFa2RoUYItiRJ6CbR3LoGdWTHHB72eh2NT:evX62XlaSFNWPjljiFXRoUYItiRJ68
Malware Config
Extracted
quasar
1.4.1
Office04
41.216.183.22:4782
73d47cb4-df1b-4a92-9966-ab4a6e59fac1
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encryption_key
9BB10B12B951D4020613CEC9F1D40DD2EE861BD7
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install_name
Office365.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Office365
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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 1fea532c75a33209f094f835261b4f579613a7b2ece7f046a11309d34537f8d5
Files
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1fea532c75a33209f094f835261b4f579613a7b2ece7f046a11309d34537f8d5.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