Behavioral task
behavioral1
Sample
CodexPC.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
CodexPC.exe
Resource
win10v2004-20240226-en
General
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Target
CodexPC.exe
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Size
3.1MB
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MD5
067c32e716711066c26ba28da4ba13b0
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SHA1
425fc4cc02015126ffe428d57380a84b751193bd
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SHA256
7fcfd3f74ffacc95defd54727da2a55cd66788e8d0a89f8cc0338478ea9d81b1
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SHA512
88e147eda7e9948bb9405dc2d3e103184ed88ab482d97ea31edfff42197dac132415dc9a48b7b5cb06ba3083ca1b0f3614f338602704b0b5daa62d5fc2563cea
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SSDEEP
49152:WvjY52fyaSZOrPWluWBuGG5g5hPa0BGsJZoGdVTHHB72eh2NT:Wvk52fyaSZOrPWluWBDG5g5hPZBGsr
Malware Config
Extracted
quasar
1.4.1
CodexPc
svrc.exe:4782
b0c5242e-3070-482a-8822-4ff0321e2f40
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encryption_key
4F0E2FCF42F1C1DE2B9EDD3E03C766626C2BBEB6
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install_name
CodexPC.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
CodexAutoRun
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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 CodexPC.exe
Files
-
CodexPC.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