Behavioral task
behavioral1
Sample
start.exe
Resource
win10v2004-20230621-en
General
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Target
start.exe
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Size
25.6MB
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MD5
1d3109b5fd18c5b952c9bf53e34626bf
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SHA1
5f99c686810d651e2ccd1402fa9467919ee4dfaf
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SHA256
076cde745b613056fb28beaf307523b4cf9762fd214ca56b336a7318b1d3ff7f
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SHA512
f60534e6bb612777a5bff2a02e39562d1b2105ae46fe686d64b336d23ecfe2be5dccb6f96b3ef039d473f1279371e7fecf89c01cab53c5c19f6aeae5c8a51aa6
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SSDEEP
393216:vKnrhkWQETjdQuslSq9RoWOv+9qDgqmJm1U0B+Ce/Fqyf/gsa9f:vKnrvQgjdQuSborvSfqmJmC0BHe42o
Malware Config
Signatures
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Contains code to disable Windows Defender 1 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
resource yara_rule sample disable_win_def -
resource yara_rule sample dcrat -
Dcrat family
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Detects Pyinstaller 1 IoCs
resource yara_rule sample pyinstaller -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource start.exe
Files
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start.exe.exe windows x86
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
CODE Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 512B - Virtual size: 124B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 1KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1024B - Virtual size: 770B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 4B
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 456B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 25.6MB - Virtual size: 25.6MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ