Behavioral task
behavioral1
Sample
e/Client-built.exe
Resource
win7-20240215-en
General
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Target
Hello.zip
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Size
1.2MB
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MD5
841effd0ddf0100acce68a802aca7400
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SHA1
8f4b8c69e3371b13432271fc7a54df56a2dace4d
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SHA256
d91cfd3cae8c9fe75b7756d1fd986c1f952fbde751e2005cd8a1b44feec18100
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SHA512
0e55f6817c0b7e7d3e022275e002d36e84ca45157a585ac16bfa92e44bd283d2d7660bf932ecf6c4f829a373d41f42aadd17fbba0155024b3ee7f9e8ed0ee933
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SSDEEP
24576:zzj37gR1nNZ9BWnZprILYL9S4xi71xnoe1Zt5izL7YJbBtY47cGGI8C5R0Ux:Lr0nr7WnZtSYLxxSoePt5M6H1g/vuWUx
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.1.1:4782
88.98.207.207:4782
6d19d2f9-1235-4b10-a1dd-486dc3edd052
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encryption_key
12AE26995FE0F312DC3ADA3C8CD142053AD088CA
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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
Processes:
resource yara_rule static1/unpack001/e/Client-built.exe family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource unpack001/e/Client-built.exe
Files
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Hello.zip.zip
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e/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: 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