Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
Client-built.exe
Resource
win10v2004-20240508-en
General
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Target
Client-built.exe
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Size
288KB
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MD5
612513b20674942d2bcf4d0732e0b726
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SHA1
26e71467d042ccc4ade033a000a1febac73170d7
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SHA256
d0b01d8716df6a5635967566bf4f89daba958ae5689561e956d33f644be14d38
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SHA512
ce278631bb21322df5daf5a7b1a8296c2030a1708ec4367e444f9c65138b6f345e79d45138ec24f616b9da94150e82ad4ec3bbcee4282501c7eee568cc50ed8a
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SSDEEP
6144:6KJuiyEnCGnhJlMP5Kq+SMv0VGb7bDcllbkUC:pzCGL69zVGkllbkp
Malware Config
Extracted
quasar
1.4.0.0
Office04
Ratrat2-53904.portmap.host:53904
KvGe0Q07bhebNCip9c
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encryption_key
urBKaVmkbLbNrQbAkgkI
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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
Steam
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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 sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource Client-built.exe
Files
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Client-built.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: 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