Static task
static1
Behavioral task
behavioral1
Sample
SantaBox.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
SantaBox.exe
Resource
win10v2004-20230703-en
General
-
Target
santabox_binary.zip
-
Size
166KB
-
MD5
817ae1702a94d2fe237928f230720378
-
SHA1
df5a16b0d932113c946fe7ab128cd307551714eb
-
SHA256
b6cf7928a158be3438e9b8854e33aec0667e2516ad5241f4a01258e7687b6b9f
-
SHA512
4e9301e6ad7849a62c073e66a4943ef798c8ff62cdf0403784561ebd76f731ab72496c9003ef5361e19a316b6714fbd2a98951afe4559afde99b38deab75b56b
-
SSDEEP
3072:nDtDOalSwD7CupsQSVlm/r/a0LmlnoETl56CYS0t9V+EoR5O4F2a:5DOasU7CpJVA/r/a0LmlnoEQvt4R5vx
Malware Config
Signatures
-
.NET Reactor proctector 1 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule static1/unpack001/SantaBox.exe net_reactor -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/SantaBox.exe
Files
-
santabox_binary.zip.zip
Password: secplayground
-
SantaBox.exe.exe windows x86
Password: secplayground
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_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 195KB - Virtual size: 195KB
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
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ