Behavioral task
behavioral1
Sample
rat.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
rat.exe
Resource
win10v2004-20231222-en
General
-
Target
rat.exe
-
Size
1.8MB
-
MD5
8ad0919a0ee7cba7298d009d4b58e3ff
-
SHA1
f75c3c9f06aa11b72db556d259b40a11d685ac11
-
SHA256
798159895032344c910b1d937ebda40fafeb2c657e3039c49c0999d77a73f75f
-
SHA512
23d50fc6006cb610a35cacdf29fee5a074993eb3b3e3f3746d78e9c621fb41c7ac0dda24fd4be4412b3a9915fd93cd1f46fa6f7a476bf53a8cee370939a2a064
-
SSDEEP
49152:kJuHrhm4SEHZF6qXyoU7Ej44FoGl3RRZr7NoazWVgUIRFSO1SSQ:CMrh3JHZF6VoUoj4+7fNo
Malware Config
Signatures
-
Orcurs Rat Executable 1 IoCs
resource yara_rule sample orcus -
Orcus family
-
Orcus main payload 1 IoCs
resource yara_rule sample family_orcus -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource rat.exe
Files
-
rat.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
.text Size: - Virtual size: 910KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.GT, Size: - Virtual size: 610KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.'Bk Size: 512B - Virtual size: 8B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.llf Size: 1.8MB - Virtual size: 1.8MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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