Behavioral task
behavioral1
Sample
rincrypt.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
rincrypt.exe
Resource
win10v2004-20240419-en
General
-
Target
rincrypt.exe
-
Size
165KB
-
MD5
9f99b9ecdb90b991aa0eb5884523185f
-
SHA1
5d99a9343765bb758f8ee85585dd376ec190c6e4
-
SHA256
3bac13b433b453c3db0f70f4e3ce07a2c1108a0892bac358a1d1b38a30e1cd08
-
SHA512
5c7a8f872bd0c5800e60e164eb605650eac06a6fc07322ab78274cd9c024e08c7cb8797580ecfb9067efd0ab6a1117e5c23fd78b4e6256ccecea4997f0859ed5
-
SSDEEP
3072:36oLuur9P2Wr6QhzaNpatUPp0hmHzs/0ui8N/Wm9BsB85:dr9P2Wrb2R0Ya/28
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 rincrypt.exe
Files
-
rincrypt.exe.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: 125KB - Virtual size: 124KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 39KB - Virtual size: 38KB
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