Behavioral task
behavioral1
Sample
c4682163181637eb17e174cc795eba8b094f6d6c76a60b14cdfa38ae7471c768.exe
Resource
win7-20240903-en
General
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Target
c4682163181637eb17e174cc795eba8b094f6d6c76a60b14cdfa38ae7471c768.exe
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Size
347KB
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MD5
b2b351958075d91039a2e47203a3c9a0
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SHA1
c5965141602832439c8c59935c0bb0aed87ec642
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SHA256
c4682163181637eb17e174cc795eba8b094f6d6c76a60b14cdfa38ae7471c768
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SHA512
c8f64e29b1e056ac2d02638dd0e13b4fbaaa5dbd094a8b76c3610094e89869fbcae0335299615ccdf8b5c202a010873f3bc4cb7d64cefd6bd227623fcd767aca
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SSDEEP
3072:QnNL++0BS7cD00iKpyDcsvY8FhMYYCgxSoF7+H88uEThFcbW7yW2eNJKaozrdKwt:QNN0Y7E00iyhjv7+HoacbIz+kwA8
Malware Config
Extracted
quasar
1.3.0.0
Office04
192.168.1.100:4800
QSR_MUTEX_7vNK4lP6dLGZATRF5p
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encryption_key
eX0M9ongNkCF1Jahr6Fc
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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 c4682163181637eb17e174cc795eba8b094f6d6c76a60b14cdfa38ae7471c768.exe
Files
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c4682163181637eb17e174cc795eba8b094f6d6c76a60b14cdfa38ae7471c768.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: 344KB - Virtual size: 344KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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