Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
Client-built.exe
Resource
win10v2004-20230915-en
General
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Target
Client-built.exe
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Size
288KB
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MD5
46934fd2bba84f77a2eecf774316f574
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SHA1
6d536c7d41104c2a6fd57f24ee6d1214ab74554c
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SHA256
5ad36ec4307535136a26f691fdf0e2700b95a80b63797fc25a2440f2b996dadc
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SHA512
d50199e0b7655d09e43efb122d64060c4cfbfc15257e37a62b986de456a47a2369ce342e1697c63c0aa6816d9f1798345d93dae9fbc0a6add0b3ba6d8b3e3ad7
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SSDEEP
6144:j7zO0LSclT6FOwEP5Kq+SMv0VGb7bDcllbkxln:jlJtTF9zVGkllbkx5
Malware Config
Extracted
quasar
1.4.0.0
Ha2cKed
156.206.138.228:5552
rPZXm1Wes26zWZTACd
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encryption_key
gEcrpwyLFr8M8xl4kOxS
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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
svchost
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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 Client-built.exe
Files
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Client-built.exe.exe windows:4 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: 285KB - Virtual size: 285KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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