Behavioral task
behavioral1
Sample
F34F7D8F9488CE6E2438C88F64D262B0529A25519C3EC.exe
Resource
win7-20230220-en
General
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Target
F34F7D8F9488CE6E2438C88F64D262B0529A25519C3EC.exe
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Size
502KB
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MD5
797722758bc54671176f4ae1894e403a
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SHA1
5cac11545515f1452614297a41e18411f083eac6
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SHA256
f34f7d8f9488ce6e2438c88f64d262b0529a25519c3ecb947fa28147a81507d8
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SHA512
dac39d79388f8d39ebc894f10a33683daead08f658ab3eae9eb969dc21c3b469d05f078a9b36ae12aebb019cbe3f15e203fe6ee24a706ac62183b2b251ab1938
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SSDEEP
12288:PTEgdfYvdo6ngiDp4kyw5mpG4W8UecdT:4UwVH/pyw5mpOEcdT
Malware Config
Extracted
quasar
1.4.0
ctfmon
firewall.trustedvpnservices.com:39583
3b144aca-60f9-4bcb-b4a6-716e4a5e2f1c
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encryption_key
3237D2016D901477C3F2D8FDF94D0482E3E52621
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install_name
ctfmon.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
ctfmon
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subdirectory
Microsoft\Windows\Start Menu\Programs\Startup
Signatures
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Quasar family
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Quasar payload 1 IoCs
resource yara_rule sample family_quasar
Files
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F34F7D8F9488CE6E2438C88F64D262B0529A25519C3EC.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: 498KB - Virtual size: 498KB
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