Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240705-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
02e32b2c3706a25481384301fb788441
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SHA1
dda6818d0a5ce0a25706f60d93135fc6e8f2e335
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SHA256
6ee2bac131845eda839247c141da3a36cd1790b3a80be110f947daaeac4924bf
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SHA512
0ab614d24cf272f918205d1d63b15a13a663ae04d567d0f0afa14d41b7d786f4e4d9d557e0641664215aefaddee5f49acdafb9a06b8c1c73bcb846520f35f3e1
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SSDEEP
49152:3vCI22SsaNYfdPBldt698dBcjHmORJ6mbR3LoGdI+KTHHB72eh2NT:3vP22SsaNYfdPBldt6+dBcjHmORJ6g
Malware Config
Extracted
quasar
1.4.1
Office04
pretty-dressed.gl.at.ply.gg:64028
29ca31a1-6db7-4878-87be-91906d99f5fc
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encryption_key
8C96AFA69C75A8B8BB1F9D9E33C1E409A29273F1
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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
WindowsDefender
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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 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: 7KB - Virtual size: 6KB
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