Behavioral task
behavioral1
Sample
cd13e8e17d43db2d95dda9eec6cff2237b6a5eb1f180c8550555740e09fdaccf.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
cd13e8e17d43db2d95dda9eec6cff2237b6a5eb1f180c8550555740e09fdaccf.exe
Resource
win10v2004-20240226-en
General
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Target
cd13e8e17d43db2d95dda9eec6cff2237b6a5eb1f180c8550555740e09fdaccf.exe
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Size
3.1MB
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MD5
14b036a6e1c0f541d4aaa14342a71c01
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SHA1
b09151c7b91da3259dda75891f9c6990a09ffaf6
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SHA256
cd13e8e17d43db2d95dda9eec6cff2237b6a5eb1f180c8550555740e09fdaccf
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SHA512
a066c893303cc72b27a1f7b297604d0eb721142eaa225a8a42bcd2ec40a7fe1cbb1605a279641b5517aa4f82e075ef05d852b86d7247fd9547b31a1d7f0146c6
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SSDEEP
49152:7vjz92YpaQI6oPZlhP3Reybewod9Yu1JJHoGdHTHHB72eh2NT:7vX92YpaQI6oPZlhP3Yybewod9YI
Malware Config
Extracted
quasar
1.4.1
#9F301 高一三班
fallempire.tpddns.cn:4784
beaker.top:4784
1433223.duckdns.org:4784
6ae7f250-3540-4e2f-9da7-11684ba080fe
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encryption_key
B01C26C47CB28DEAFD2F4E080C5B6A4B2969D2BE
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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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Detects Windows executables referencing non-Windows User-Agents 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables containing common artifacts observed in infostealers 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_GENInfoStealer -
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 cd13e8e17d43db2d95dda9eec6cff2237b6a5eb1f180c8550555740e09fdaccf.exe
Files
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cd13e8e17d43db2d95dda9eec6cff2237b6a5eb1f180c8550555740e09fdaccf.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