General
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Target
Rloader.exe
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Size
3.1MB
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MD5
c5dfb8e647dee65812059cb6a8392cd0
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SHA1
28905e70cea5495aa4dc1b7576a7429f8842da99
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SHA256
0d57ae77d8268afc0aa138efe70954cf3e4d40c8222e3c27994ddbc65f98b294
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SHA512
40f98296756b0a722b581e63cd906376f28afa5c8457a15defdfa147c17dee8a3dcf30c548bc87c5d4a30ae2948d5f8e8e0d6c3f0c0e70df26be1bfd817f4469
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SSDEEP
49152:PvAt62XlaSFNWPjljiFa2RoUYI2F9GBBeaLoNdWcTHHB72eh2NT:Pvs62XlaSFNWPjljiFXRoUYI6GX
Malware Config
Extracted
quasar
1.4.1
Office04
89.244.81.23:4782
2133a993-dae1-49b1-bfbb-4f8e5a998e93
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encryption_key
667A5A03028317A85A6DC653E03053EE04F364BC
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
2000
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startup_key
Discord
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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 Rloader.exe
Files
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Rloader.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