Behavioral task
behavioral1
Sample
xmrhZ7VhlJjD.exe
Resource
win7-20240221-en
General
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Target
xmrhZ7VhlJjD.exe
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Size
348KB
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MD5
b12dcc0b6399196333d30649f325397f
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SHA1
6f208c9b6d3dae57e4c22d5e319db0d237feb909
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SHA256
498844e96c76ce422fdb328f5deadd5e0785582cf291c1cf9d32ed15f45fa964
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SHA512
f7e1cd332733a28636439775e501870b5a9d90899357ee27ed51a647c15be614bcdbcfc5acef7fc0b3085ecca2a45eb1496ec88e26cfe6e08c9b4c2bf6198146
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SSDEEP
6144:67qQ4i1FFiEKyK5ALbddCEaBHGdNXUnO:8plipKddGIdBUnO
Malware Config
Extracted
quasar
1.3.0.0
Office04
companinuevoano1.con-ip.com:4782
QSR_MUTEX_l1M93VuqIyiH8hEQ4I
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encryption_key
rFxyS0ilcLEI1ldtBJAu
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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
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource xmrhZ7VhlJjD.exe
Files
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xmrhZ7VhlJjD.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: 344KB - Virtual size: 344KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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