Behavioral task
behavioral1
Sample
quasar.exe
Resource
win7-20220812-en
General
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Target
quasar.exe
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Size
502KB
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MD5
9b67f098401a519bd1036d52bf1401fc
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SHA1
5574231851b12c35a23c0afcc1acfd88963faab4
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SHA256
39bdcb0a0d32fc64451a18f340fa379cce0728360d1d4fad11fe91cf8e57754a
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SHA512
a3d9dee6ba51af14ed91cb4e0eeab40c871b0564116d4991fa06efd05d0d1ffa6438940dd1844fa187ee0eb146b729e26ff8011d25bab119e82ac6f6b1cb7972
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SSDEEP
6144:oTEgdc0YgXAGbgiIN2RSBYnagmmBVc6YL5EtqG+yw4NUcEuOb8F9QrAYO+HcTR3G:oTEgdfYybgkagzhT4/ywZepirAT+cdG
Malware Config
Extracted
quasar
1.4.0
Victim
cloudserv.ddns.net:8000
edfd3f76-6837-43de-9b7e-b11de527df19
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encryption_key
C1BA7CB527D76E6E88B6A9862E7A4FD2859C328A
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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
Files
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quasar.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: 497KB
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