Static task
static1
Behavioral task
behavioral1
Sample
KrbRelayUp.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
KrbRelayUp.exe
Resource
win10v2004-20231025-en
General
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Target
KrbRelayUp.exe
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Size
432KB
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MD5
aa7ac6ced21cba1c767a40ef330d1dc7
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SHA1
89083d852da2f227e3453f1ce34d76e4c34faebd
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SHA256
0fb766447e642f040587b229fdf4b2ffedba6bcfb51b69e69ee8b8dde7c68d1b
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SHA512
ef3f92b064aa07c79c59e0b2d54bdccbf4bef15a16cd302448701df01734b8fba03967d4587cc7549be9ade45f094b2d4d061ba8a30a93750020371f9b27f5c3
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SSDEEP
6144:rIURaUDQkaBSBkhIDGaGyT9Oc9bDO9WBtk0Wf3PCFrT2ev0oHBSyz2cMRnj:cUcUDQk7qs4sOcvEWT2LRn
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource KrbRelayUp.exe
Files
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KrbRelayUp.exe.exe windows:4 windows x64 arch:x64
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
Sections
.text Size: 430KB - Virtual size: 430KB
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