Behavioral task
behavioral1
Sample
NEAS.2023-09-28_c1439efd2ef256ad5057f03f076162c6_cryptolocker.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.2023-09-28_c1439efd2ef256ad5057f03f076162c6_cryptolocker.exe
Resource
win10v2004-20231020-en
General
-
Target
NEAS.2023-09-28_c1439efd2ef256ad5057f03f076162c6_cryptolocker.exe
-
Size
88KB
-
MD5
c1439efd2ef256ad5057f03f076162c6
-
SHA1
5ffdd6d48e1c3d98399c4fd504918cbdc03ebb1c
-
SHA256
c380dc741411129c8421439038381d67d2a26906cd29faa4dc643284bd6f1077
-
SHA512
06a13ac980f2c8aa40c263bbdab49cdcf3fe01538d11b52375680786efc692290fd07efa63c2a678fee5406b0609ed66e22bb696ff3468d3e6a320bb9bdc01a8
-
SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpl:AnBdOOtEvwDpj6za
Malware Config
Signatures
-
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource NEAS.2023-09-28_c1439efd2ef256ad5057f03f076162c6_cryptolocker.exe unpack001/out.upx
Files
-
NEAS.2023-09-28_c1439efd2ef256ad5057f03f076162c6_cryptolocker.exe.exe windows:5 windows x86
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
Sections
UPX0 Size: - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
-
out.upx.exe windows:5 windows x86
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
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ