Behavioral task
behavioral1
Sample
2024-03-09_1fc5b95021e4e970dbc525a90c4accf3_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-09_1fc5b95021e4e970dbc525a90c4accf3_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-09_1fc5b95021e4e970dbc525a90c4accf3_cryptolocker
-
Size
57KB
-
MD5
1fc5b95021e4e970dbc525a90c4accf3
-
SHA1
d8ae6d3bf6e9514aaa23225551d74f35888184d6
-
SHA256
2e6f8c046d71bdd805b9801dbd6f6bc5432eb027d762c0f8288ee31157f6e143
-
SHA512
41d838f824b2ceb79c7ab4eb9997e5316b4cedc5ef8c080a67d43a9456600a68c9ff6347b3caebd6ff4e7d07d6903f8e3de18cfb20cc4aac0328c8a13f604041
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5app1:z6QFElP6n+gKmddpMOtEvwDpj9aYaF
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
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 2024-03-09_1fc5b95021e4e970dbc525a90c4accf3_cryptolocker
Files
-
2024-03-09_1fc5b95021e4e970dbc525a90c4accf3_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: 20KB - 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
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE