Behavioral task
behavioral1
Sample
System.exe
Resource
win7-20240903-en
General
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Target
059de2d5dad8f527afdd419a0593815b.zip
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Size
1.2MB
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MD5
059de2d5dad8f527afdd419a0593815b
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SHA1
1676bfbb089af9ad7d197b1907c1976c4ee7f02a
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SHA256
fcb3dff30df407b61463dddbeb990fe7f4f78b41e6f43915325f4b78ab69f34d
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SHA512
8fa62ff22056efed457423e5c86b1296f765acc8000be7678e3630495b565a4a02bfa9820a375d83b4191b5e86bcd0d13392c4dc501f520312a2473d7f76c61c
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SSDEEP
24576:Ipf4LgLF1yaPO/M3izsdIk7ydNqJ/slLNXzz6EJavMCpk0z/G:IpfaG1tizMQqJizzCNk0i
Malware Config
Extracted
quasar
1.4.1
Office04
adnan1453.duckdns.org:7000
5dc678e1-94c3-4678-929d-93496063af39
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encryption_key
3A59215E830DCED5E8B222D0893FB53E5581C45B
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install_name
System.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
System
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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 static1/unpack001/System.exe family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource unpack001/System.exe
Files
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059de2d5dad8f527afdd419a0593815b.zip.zip
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System.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