Behavioral task
behavioral1
Sample
83e5f5f6c41e1e91f3a24d7a264b7870N.exe
Resource
win7-20240705-en
General
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Target
83e5f5f6c41e1e91f3a24d7a264b7870N.exe
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Size
3.1MB
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MD5
83e5f5f6c41e1e91f3a24d7a264b7870
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SHA1
a5555e1742fd8b1474920fe95588b769e4a1ee8b
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SHA256
408af30cebefa3a1d0ea91d10c8efec3190541687c05a6a744639be1b57894d8
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SHA512
da6909a946d7a2d3dc78512c7306c2d52b9a4588d0df861b16eccc3a5617057c978e59bdb6548083e2d61cfb2453610d95c4650bc84232f1fcc917032611d664
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SSDEEP
49152:XvWI22SsaNYfdPBldt698dBcjHAtRJ65bR3LoGdEy1HgTHHB72eh2NT:Xv722SsaNYfdPBldt6+dBcjHAtRJ67x
Malware Config
Extracted
quasar
1.4.1
Victim
192.168.0.7:4782
9816cddb-3778-4341-b767-0fc48ec9751e
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encryption_key
287DA48602FD026D6B589CDBF63A17E23DAFA660
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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 83e5f5f6c41e1e91f3a24d7a264b7870N.exe
Files
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83e5f5f6c41e1e91f3a24d7a264b7870N.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