Behavioral task
behavioral1
Sample
built.exe
Resource
win7-20240903-en
General
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Target
built.exe
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Size
3.1MB
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MD5
a813f565b05ee9df7e5db8dbbcc0fa43
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SHA1
f508e738705163233b29ba54f4cb5ec4583d8df1
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SHA256
ba59fb813ff718db8a17c4e5d244793d2199383969843ad31d09727b5e5ff156
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SHA512
adb431c372c2e1d0f6019bedefe16a2253fcf76929ba7e2b9f9cc7a253137920615121a1a64f7003a43f39e8b17ace233daca32b2933b6953aa6cf558b834e2e
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SSDEEP
98304:aydj2yMy5en93hlLLzJjVrv3zs9Yv+Wcvy:pLYvzs9Yv+Wcv
Malware Config
Extracted
quasar
1.4.0
Office04
microsoftsys.ddns.net:4782
67e0653d-eedf-4888-88ab-78e97eb2df27
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encryption_key
23E5F6D22FEE1750D36544A759A48349B064BC34
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install_name
PerfWatson1.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
svhost
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subdirectory
KDOT
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 built.exe
Files
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built.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