Behavioral task
behavioral1
Sample
SSFN_BUILT.exe
Resource
win7-20230712-en
General
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Target
SSFN_BUILT.exe
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Size
3.1MB
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MD5
dba7ed8cd9967e04c704073255c36328
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SHA1
6743b492232b1cf52cdee039bcc96b50850d5a79
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SHA256
c8284e7411e10c481e0cc7a9e95f3dd809cec39a4cc2875418d0924908234605
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SHA512
5f70f41811ade3fb29d3a5230fb27eb95f41f1ab86c851e659f2e3fd2ce8b8a3084cb0b5e9f6612df3cd652fbc8f88fa848387f015e0f720521b9bf8957e85c7
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SSDEEP
49152:3vnI22SsaNYfdPBldt698dBcjHnr41JsLoGdJCTHHB72eh2NT:3vI22SsaNYfdPBldt6+dBcjHnrd
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.0.10:4782
4709d385-f505-42ac-aa51-ddda835f7c34
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encryption_key
666CF2608FB9655A70EB1E0CB8B76FF837B96BD5
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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 SSFN_BUILT.exe
Files
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SSFN_BUILT.exe.exe 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