General
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Target
hola.exe
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Size
3.1MB
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MD5
b813f66155d807b9aab42a12fa9410d4
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SHA1
4d3864cb885526b8f499d0815cb075114b13165c
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SHA256
5955c3de28de470bf3798ea91d724d535991edd1eee1762b371d7fa920bef0ab
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SHA512
7090488b62138e38af3aa969d55e5711ad19609aa308f6080ff794eacc7d421a4e684621823c6852b6e1ea58d9d06355416464cbd26aed58ac4b6e6f805f65a7
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SSDEEP
49152:WvbI22SsaNYfdPBldt698dBcjH8bVSTqoGZjTHHB72eh2NT:Wvk22SsaNYfdPBldt6+dBcjHoVSe
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.1.116:4782
689db880-003a-4505-9ff5-b5994078304f
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encryption_key
11E93782AF32FE31936B809DD1C9DE91DCA6EE46
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install_name
hola.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 hola.exe
Files
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hola.exe.exe windows:4 windows 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