Behavioral task
behavioral1
Sample
rarra.exe
Resource
win7-20240419-en
General
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Target
rarra.exe
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Size
3.1MB
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MD5
84e4bcbe0e7abef6f97fd5920d2260e8
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SHA1
1aa9140ce8c68743e7c590ced659eaa6c88f5b87
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SHA256
1d4ce776869303c1b47159fc6e7ed9be37cd050cf97a1dcd3c75bad449c2e22c
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SHA512
62ae063c4e7f24cfd6743e2dc7be765a49b69c1aa06b8d0de3bc4a7cc5ea39f9fa7fed03bcb6a52a05da8c150d5867081d08ba90edbf336781df3174c44cfbdd
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SSDEEP
49152:zvilL26AaNeWgPhlmVqvMQ7XSKkxOEMkwk/JxWoGd+THHB72eh2NT:zvaL26AaNeWgPhlmVqkQ7XSKkx/I
Malware Config
Extracted
quasar
1.4.1
Solara
DESKTOP-JVK5CI7:4782
89.64.55.224:4782
39c5c45c-62a0-4623-a904-5cbad2aa6b55
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encryption_key
41AD0502F025DD3F47720DC4BDEED540F3EAFD12
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install_name
securekerneI.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Update
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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 rarra.exe
Files
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rarra.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