General
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Target
Рождественский Installer.exe
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Size
3.1MB
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MD5
2a7c50b498cf2eee0087b6de22b4418e
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SHA1
6b4bece2654caa22ef1971ee741a8171dddb235f
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SHA256
0b77aec2b160e1f0923ff76418957b6c8fd5a7fde0b05a646ea7f490d38952fa
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SHA512
75c6c5557cc64afef8d2ac00b2e5311150db7eb116f18d938bcf7f9eaaeb7eb6d9f8154c65e37aa491ff2da93ae0b2fc1fcc9603008c894a6985908750a6f279
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SSDEEP
49152:yvyI22SsaNYfdPBldt698dBcjHUhO9Z22pjk/ZLoGd9THHB72eh2NT:yvf22SsaNYfdPBldt6+dBcjHsO9k
Malware Config
Extracted
quasar
1.4.1
Office04
169.254.206.74:4782
b8cc8406-b5a4-4490-93df-e418a88c060c
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encryption_key
3D90BE0A223C8097DFDC3ED53A2C96D99F6FCD41
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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
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Рождественский Installer.exe
Files
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Рождественский Installer.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