Behavioral task
behavioral1
Sample
VBNFR_.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
VBNFR_.exe
Resource
win10v2004-20250217-en
General
-
Target
VBNFR_
-
Size
279KB
-
MD5
eced539ad810466a59e0433c892ad565
-
SHA1
8ad3bcc29bf32e6dad21db3338d8fd339d0c4b61
-
SHA256
f9f77ed5eb391d49883b6581aa0ddf32772d6e1ad8cf401277dfaf87ca7ee4e3
-
SHA512
583668b2f0c75f5efba8afc39d66e8e9ca16ff5eadeb495dce7e837dd5a0ecc0001065e7add10d6bafad24014722510ca2647280fc5f9f6e882fa9357937a9cb
-
SSDEEP
6144:pcH9nKVIEcXMVUHfwpZ6DzZmSkPcb8cfaRq7+7NE:phVQXkUHfEZ6pmhkb8UaRu+7NE
Malware Config
Signatures
-
Chaos Ransomware 1 IoCs
resource yara_rule sample family_chaos -
Chaos family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource VBNFR_
Files
-
VBNFR_.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
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: 269KB - Virtual size: 269KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 8KB - Virtual size: 8KB
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