General
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Target
Client-built.exe
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Size
1.3MB
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MD5
89dedd5a5be40e10d15d8ddead0840e2
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SHA1
e6ec62026b2b86534eedce986b8f14bad02991b1
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SHA256
2e4dd13fca230aa1d5aa024bf148b64155226883d26bc04d41a2bf4254e70495
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SHA512
168ba353a7e982d5a592c08753d21cef95671c0c3f585a3727833ae540f9949324d9ce1cabcb604b1047235da1cc8c327dcbcd5a347652f82463f390516ee291
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SSDEEP
24576:9WA+qYdaeoXgOSWHIPbcNK0KKfaOwI55l2SXO8vyjFTFpi3sed:9W0eo/EgKKHwCB+9FTTi
Malware Config
Extracted
quasar
1.5.0
nia
172.22.94.59:4782
59872fd7-8c22-416a-8e2e-11dbf8cf0d11
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encryption_key
8F2068A83872A8272FFF6545A763F8997C3BDCD2
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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 Modded 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 Client-built.exe
Files
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Client-built.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 1.3MB - Virtual size: 1.3MB
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