Behavioral task
behavioral1
Sample
x.exe
Resource
win7-20240903-en
General
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Target
x.exe
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Size
3.1MB
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MD5
ce560e01aa6d0a1848eacb577880f112
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SHA1
ac6013ab7dec397c0f14368492047e5f54091f2c
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SHA256
061f0c6e8d2aa06e218364b7d0f44e689d0c6b900a06844bf272efc516dabfdb
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SHA512
988a405ec7c257c43e21ac721509478113c48ae5cdbfe25d7f0227a6ff473412ba662343365d4ca899fc621b6710437128505f29cb6939f45248ff255c4565ec
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SSDEEP
49152:GvUt62XlaSFNWPjljiFa2RoUYI1EF3mMnAfvAoGd5THHB72eh2NT:GvI62XlaSFNWPjljiFXRoUYI1K3L
Malware Config
Extracted
quasar
1.4.1
su-pc
192.168.100.2:4444
47a88def-94f4-406d-86f5-8b0b767128df
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encryption_key
6B74F0C858B7E90573D4E97997F2A082B9781250
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install_name
x.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
x
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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 x.exe
Files
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x.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