Static task
static1
Behavioral task
behavioral1
Sample
serviceupdate.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
serviceupdate.exe
Resource
win10v2004-20230220-en
General
-
Target
serviceupdate.exe
-
Size
4.4MB
-
MD5
e862112b0a3781dcf75eaf11b8b6ea7d
-
SHA1
725b9a18c2c6cdd616ad10d6f9e977753c7eb0e4
-
SHA256
5b1365bd1c3648fdfe1aa9699e1647b3967bf3824c0b03eb4e67ef4599840135
-
SHA512
6a5ebf286858e2a814fedf81fae111bd4468eaafe19ecc2a7eadf2d441b9584bab4ee4a3c5f83415d5cc31bbe11f7888e6dbe2a0a8a006affaefe463de3f535f
-
SSDEEP
98304:+4uKDZOjVXFcG7BEcyZeW+gP/i6jepIA90sK6LovYr5K49ZQ:+4uKDeFT7BEcyZpDP/RERXKsog5BHQ
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource serviceupdate.exe
Files
-
serviceupdate.exe.exe 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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 4.3MB - Virtual size: 4.3MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 52KB - Virtual size: 51KB
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