Behavioral task
behavioral1
Sample
2024-05-09_31eafb467e4c726aa880db0c73714445_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-09_31eafb467e4c726aa880db0c73714445_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-05-09_31eafb467e4c726aa880db0c73714445_cryptolocker
-
Size
51KB
-
MD5
31eafb467e4c726aa880db0c73714445
-
SHA1
8786a7de23b98090a25a11fb8073920abd246962
-
SHA256
9b9ca4f088ac0c3d85434602104a51d8783fd9fd90840c036e865b15bdd5a40a
-
SHA512
d58a51a022a9dd443375cf75b20fe561f38873f258dc68f6222919524e011b0cc9bd8cf9a28f91f4066194b49af054591f9d7fc6250e4d79fbe886dab6aeae01
-
SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOl:bODOw9acifAoc+v6
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-09_31eafb467e4c726aa880db0c73714445_cryptolocker
Files
-
2024-05-09_31eafb467e4c726aa880db0c73714445_cryptolocker.exe windows:5 windows x86 arch: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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE