Behavioral task
behavioral1
Sample
Wurst_Client_password_123.rar
Resource
win10ltsc2021-20241023-en
General
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Target
Wurst_Client_password_123.rar
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Size
1.0MB
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MD5
18478c347c569b4c7ef8c8db9665f1d5
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SHA1
fd54e1e9664d6fbdb132c62ffd4a2ef6e89897b5
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SHA256
66692d291cd990717ce709ee6af67f38124c57fdb6fe6e89f20cfffff3dd16d6
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SHA512
f98aab92eba2bc79813b30e619f9aacaaa8d5408111210fcdc94c7f8b215c90c29e511b2527e351bb2ef1ac54bb62f3a8569000427799332438a9b079d8dfafe
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SSDEEP
24576:yoYOuWb9jrkYC3HuaxpzsZHH0h5NnwaGdy02:4Wb9TauY9sZ0Fl/
Malware Config
Extracted
quasar
1.4.1
Office04
myhost20292.ddns.net:4782
829ab10d-b669-4914-94aa-0b29020c6f1f
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encryption_key
975A6378A0F938D8B354B0AF273B7F68F0241913
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install_name
Wurst Client ModMenu.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Java Updater
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
resource yara_rule static1/unpack001/Client/Wrust Client/Wrust Client ModMenu.exe family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Client/Wrust Client/Wrust Client ModMenu.exe
Files
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Wurst_Client_password_123.rar.rar
Password: 123
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Client/Wrust Client/Wrust Client ModMenu.exe.exe windows:4 windows x86 arch:x86
Password: 123
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