Resubmissions
09-01-2025 16:23
250109-tvy9pawpbk 10Behavioral task
behavioral1
Sample
ddnstest.exe
Resource
win7-20240903-en
General
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Target
ddnstest.exe
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Size
3.1MB
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MD5
0b301a943083061bb0e95c688ad02dcf
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SHA1
b26d04fcad24a618a422ae156774218d42538d88
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SHA256
79b2e8bd0d46901502869063962252c0b80b77ff909f1e497bf4c04ae2f0ec71
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SHA512
58e8fa3c6dd985d89fa2cd6a6f91ce87929165cee9d85b0fb1cbb70cfb33053567a333464da804ee7cee80f33bb5b065de4817812b114b9c7dbe5ef60e6ab923
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SSDEEP
49152:avyI22SsaNYfdPBldt698dBcjHF2tjmzeEoGdzTHHB72eh2NT:avf22SsaNYfdPBldt6+dBcjHF2te
Malware Config
Extracted
quasar
1.4.1
Office04
hiimbob.ddnsking.com:9112
91f1b164-f669-47a1-b3ec-59976d66b33a
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encryption_key
FD9ED3A6AE6574CE5C854385C6AC2FC432580344
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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 ddnstest.exe
Files
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ddnstest.exe.exe windows:4 windows x86 arch:x86
Password: infected
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