General
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Target
Admin2z.exe
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Size
3.4MB
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MD5
c8cddebd9663448a50be915c36564714
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SHA1
1a1c6390d03c09d94eb1618be8afcc25e4559086
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SHA256
55f65d41b335b600d90741a4b54419e9994f3357aa0ab58caede30a2c91f1d92
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SHA512
9e619c24b38e413b8a8813363499d45b7e0de8b2f0c650fb9d1f0c269b4cbef60e8fa87b57ddcdb97ead83798fed14f290591641bc9f8c670e775ed69665d005
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SSDEEP
98304:fvY62XlaSFNWPjljiFXRoUYIjhRJ6DDx:XQZYsC
Malware Config
Extracted
quasar
1.4.1
Office04
gaykami.zapto.org:4782
fd070244-4e4f-464f-bf66-b0519c62cf67
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encryption_key
D408429A8F1C644E0A5D5AD709BD41BEADE3C3F6
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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
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 sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Admin2z.exe
Files
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Admin2z.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: 267KB - Virtual size: 266KB
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