General
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Target
Client-built.exe
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Size
3.1MB
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MD5
bd1f079f946ef99be5ee6e8b88a191bb
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SHA1
7c43829d868ed665c24b8c023da650fbff4e61f5
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SHA256
fb470fd955c36eca5a6bb024706708d191f24d01bf2f1bfdcb60d9d4df409370
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SHA512
47cc0acba1b1072a4510e2e8d2fdf1dc5a198af9644e5529c0f9fc607ec9e873ec74a447208ded5ac80402c5af946c47397ae234a7a53fcfab8bf1af67af0cbd
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SSDEEP
49152:avnI22SsaNYfdPBldt698dBcjHcMb1bHmZTdobdCTHHB72eh2NT:avI22SsaNYfdPBldt6+dBcjH9b1bQ
Malware Config
Extracted
quasar
1.4.1
TESTIP
nomorehost.zapto.org:16492
88de9d82-6909-427b-8a11-f28cf4280285
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encryption_key
562515CBE0241F4FD48C91375ED3063F997D8AEE
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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
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
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_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