Behavioral task
behavioral1
Sample
783e6ea626cd72ba14c844f7de9cb57e6d56bb894aec3dbe223e81f065b2bc2f.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
783e6ea626cd72ba14c844f7de9cb57e6d56bb894aec3dbe223e81f065b2bc2f.exe
Resource
win10v2004-20240508-en
General
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Target
783e6ea626cd72ba14c844f7de9cb57e6d56bb894aec3dbe223e81f065b2bc2f
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Size
2.7MB
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MD5
371d95abce192df7ac5648f4f954c456
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SHA1
f243994c2906525292b44b40e78aa0358589592f
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SHA256
783e6ea626cd72ba14c844f7de9cb57e6d56bb894aec3dbe223e81f065b2bc2f
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SHA512
6ef6bf42d47e3a5b4995ddd985c6726ffd1883ecbbf3c71f62511abc7d20fde208cd0371a3bcff54c855c253e1d483dd8a9ed2b661d734df3ac526a9514b3979
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SSDEEP
49152:uc4IZF1R2mztVOo6Ol9ureHIge8lDNlMdCKaGv2LkmNKUSW:uc4IZvR2mztVOo6Ol9uriIge8lP
Malware Config
Extracted
quasar
1.4.1
serviceone
serviceofflineupdate.ddnsgeek.com:4782
17af5434-027b-475c-85b6-fca637f3330d
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encryption_key
F5275112E106580A140655595766AE270983F72B
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install_name
Chrome.exe
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log_directory
Logs
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reconnect_delay
6000
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startup_key
chrome update
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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 783e6ea626cd72ba14c844f7de9cb57e6d56bb894aec3dbe223e81f065b2bc2f
Files
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783e6ea626cd72ba14c844f7de9cb57e6d56bb894aec3dbe223e81f065b2bc2f.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: 2.7MB - Virtual size: 2.7MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 3KB - Virtual size: 3KB
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