General
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Target
Solara.exe
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Size
3.1MB
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MD5
18f4ed548b5f7d78671bb4ab4bc3affb
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SHA1
62fc7cdc7d84cc52147f7782f5dd28616bee09fd
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SHA256
bc1bee5bf891b3cb91c8e74927634250aaa9f2fed3bb3c965e6106f34e5cc54b
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SHA512
b5ed744f47b97ec7a0bc224f50035da9e9424a8f1820763ff650e384c0acc251ac28b50f5bc0fa5b787b9795709a37ca082d5dc649cade7990a1ca6fe8e6f153
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SSDEEP
49152:qvkt62XlaSFNWPjljiFa2RoUYIAzD7MI2K7oGdfdgTHHB72eh2NT:qv462XlaSFNWPjljiFXRoUYIAzD7N
Malware Config
Extracted
quasar
1.4.1
Office04
10.2.0.2:4782
cc6f57e2-b224-4b7b-bfae-0b1e6f95f22f
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encryption_key
48E15FD52A3A24CE1F767DA2AD76CB0B862CC879
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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
Quasar Client Startup
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource Solara.exe
Files
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Solara.exe.exe windows:4 windows x86 arch:x86
Password: 113
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