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Behavioral task
behavioral1
Sample
EFfI.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
EFfI.exe
Resource
win10v2004-20240508-en
General
-
Target
EFfI.exe
-
Size
2.8MB
-
MD5
05529268a2eb991158ed884bd7a76b7f
-
SHA1
16320aac38b85c5decaa1749e074dc81fc77e270
-
SHA256
5443154f35416456b568138d9a687c4aeb39acc5055e4ac0c1b1644f68547972
-
SHA512
d533eecf50514a30135e023ce18749addf62dcb0a84a6606ae479a403ef515b75010871ef76d44de58d84b62c97a98a2d0c0bbd272c4784fb8d42753ec66b5c9
-
SSDEEP
49152:i4QYv863cveVpl2Ndss8x8FihEE92oiSfy0txKc6d33opNVRcRkQnnNO/i:4TxvedWdt89GEo+y0txKc6ypqR/nnU/i
Malware Config
Signatures
-
Processes:
resource yara_rule sample vmprotect -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource EFfI.exe
Files
-
EFfI.exe.exe windows:5 windows x86 arch:x86
bc825bbffbc5fb838ffa4daf7dac8401
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
msvbvm60
__vbaFpUI1
kernel32
VirtualProtect
GetModuleFileNameW
GetModuleHandleA
LoadLibraryA
LocalAlloc
LocalFree
GetModuleFileNameA
ExitProcess
user32
MessageBoxW
Exports
Exports
Sections
.text Size: - Virtual size: 537KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.vmp0 Size: - Virtual size: 2.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 4KB - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.vmp1 Size: 2.8MB - Virtual size: 2.8MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 12KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ