Static task
static1
Behavioral task
behavioral1
Sample
KeyAuth.cc System Bypass.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
KeyAuth.cc System Bypass.exe
Resource
win10-20231023-en
Behavioral task
behavioral3
Sample
KeyAuth.cc System Bypass.exe
Resource
win10v2004-20231020-en
General
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Target
KeyAuth.cc System Bypass.exe
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Size
758KB
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MD5
880bddd26e830789d2eaa7cf4bbfdd26
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SHA1
c659d34482ea2ed6facba739898c84b1b9ecc3c0
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SHA256
c33723dca43ef3ec43d3abb085e33d5d38431a6a9f509875e44584ce04a88d62
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SHA512
61f697fc73070eef0195d95d83314ea40152cdf6821ca244ca0f1beae4d9342a39baeeaa67212936565a92c8e71c2d613281c99f498334d98a647f2400a5e670
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SSDEEP
12288:iufV/Twk2b/nSgTv4B3NIcGIwaXM5/mFnltt5TkDCaG3JwuDjnRMbWLsuLOZ3HXd:iuNL2bKgb6ycGIwaXgeldhKG5wuxMcsd
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource KeyAuth.cc System Bypass.exe
Files
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KeyAuth.cc System Bypass.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_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
w Z6Pi' Size: 512B - Virtual size: 284B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.text Size: 754KB - Virtual size: 753KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
1o)52a= Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
Size: 512B - Virtual size: 16B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ