Behavioral task
behavioral1
Sample
vcac.exe
Resource
win7-20230831-en
General
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Target
vcac.exe
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Size
24.2MB
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MD5
ba6b48bea6229cb117411c7adfd0a92c
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SHA1
bfb3052b81f43753edeec3b70f112626e666a6cc
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SHA256
58dd73a50521cd4dc6d2200fa28b131e99f2a0ac7ede73a35b3d9b49367314af
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SHA512
d7dcdd544d3b7cc1b95c90a74a01b5f34e333ac7f49f636f29b66d75818b0bff18a1d7a02eb23bbcd4e25f9b88a21bc6d057ffb82d53212d0f8545e9bfd4552d
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SSDEEP
98304:EKBbBWIgWljGxRB/LL6vc22SsaNYfdPBldt6+dBcjHVCU688cIyGOk3ta:14xRBjgB7j4U6gl
Malware Config
Extracted
quasar
-
reconnect_delay
1
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 vcac.exe
Files
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vcac.exe.exe windows:4 windows x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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_LARGE_ADDRESS_AWARE
Imports
mscoree
_CorExeMain
Sections
.text Size: 24.2MB - Virtual size: 24.2MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
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