Behavioral task
behavioral1
Sample
4b49068a198e8dcc90d1ae5d623c2cf669c93e067573b26c880b56b14e550e3a.exe
Resource
win7-20240221-en
General
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Target
b05ef4b68b309f9aefa705d3c0ab50e1.bin
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Size
1.2MB
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MD5
202b388e65dd4a41d25f39a7ac59ce6e
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SHA1
e22a63956f342c7e3a2186df152518fbb9581f2e
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SHA256
b397ea71878635c0ca9006cf6bbe06d12c075fcc79e4a42e66c5e0964e686401
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SHA512
33412f616eb1451a8965cfd9e7063bda60a61cfb5f127502243addb96ab972c3a2f6934b0f95eb80ae48d88ea3ff863e36047baa63621fb909e134d68cee0af4
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SSDEEP
24576:bKFM1ttvZFuGwSvXBkW2t8bQWhsRsjCaHJUaYD/XTUknH4e6nLnta1r2:bb/ZFfXuLWpsRsjCKijjUZx22
Malware Config
Extracted
quasar
1.4.1
1st
94.156.8.44:4787
94.156.8.44:6606
8c89b218-c255-48cb-be3d-4ac14fe780fa
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encryption_key
4785083178D87EB2AD342D8849D0672AE29F1744
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install_name
softgui.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
softgui.svc
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule static1/unpack001/4b49068a198e8dcc90d1ae5d623c2cf669c93e067573b26c880b56b14e550e3a.exe family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource unpack001/4b49068a198e8dcc90d1ae5d623c2cf669c93e067573b26c880b56b14e550e3a.exe
Files
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b05ef4b68b309f9aefa705d3c0ab50e1.bin.zip
Password: infected
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4b49068a198e8dcc90d1ae5d623c2cf669c93e067573b26c880b56b14e550e3a.exe.exe windows:4 windows x86 arch:x86
Password: infected
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