General
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Target
RepairLoader.exe
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Size
3.1MB
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MD5
7af79f4093d232295ef1727970353e06
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SHA1
7bbddf672bdd2b1e189b53ebbc28d3d96c90748a
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SHA256
b9023d2f4725165f6caa7c52b5612bba3dcc479cbac824db66311efbced458a6
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SHA512
f1c54c9e4d0e3cb2fa28218158defbb2c1480eaf44645fb4ce20b66ad640fec40ee51f11563aaae59c0feaaa081a84de88686c4baaa51883fed375602d07ee06
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SSDEEP
49152:HvyI22SsaNYfdPBldt698dBcjHKVduhsL8vJbpoGdMa+g/THHB72eh2NT:Hvf22SsaNYfdPBldt6+dBcjHaPLA6
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.68.112:4782
92970f12-4ded-496d-8f32-a74748faa753
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encryption_key
F90298C53A2337B5A17FBB1EB8958CA47C94F322
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install_name
Repair.exe
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log_directory
Logs3
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reconnect_delay
3000
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startup_key
WindowsDefenderService
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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 RepairLoader.exe
Files
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RepairLoader.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