Static task
static1
Behavioral task
behavioral1
Sample
GTLoader_LatestFallUpdates.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
GTLoader_LatestFallUpdates.exe
Resource
win10v2004-20231127-en
General
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Target
GTLoader_LatestFallUpdates.exe
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Size
192KB
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MD5
2c1b4d29b6e3ac4920e5cb28be791f08
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SHA1
826d907f3af1cbff66672bf3a1eb30de03e38a80
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SHA256
7cf06935d47a0807c31bfa535a8923934ee65ec8e6f55ff827929474b55a14e3
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SHA512
096b758a45744488335e8ec528954b784671052869b24df9a86354004d3e643651833709ebf0ad746a34b5e3abe23da1d3e75c1d2ca24df785565297973cc8e7
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SSDEEP
3072:51O1XZf9zN89yhVlRyLy8X7jdI27o2MgNHj7pV0H24kkxZef0bwVcqYz:tiXs+2uaH2bvqG
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 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource GTLoader_LatestFallUpdates.exe
Files
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GTLoader_LatestFallUpdates.exe.exe windows:4 windows x86 arch: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
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 187KB - Virtual size: 186KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 4KB - Virtual size: 4KB
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