Behavioral task
behavioral1
Sample
2024-03-06_3b98e9eae052c5dc7c892c2654a0deb9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-06_3b98e9eae052c5dc7c892c2654a0deb9_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-06_3b98e9eae052c5dc7c892c2654a0deb9_cryptolocker
-
Size
56KB
-
MD5
3b98e9eae052c5dc7c892c2654a0deb9
-
SHA1
2639fc234dbeba933c1d14d21c44356a04a3adb9
-
SHA256
4b5949d111d5ed15e78d903fc2d009a36c155509c91ba4816e6dbc0286b9f219
-
SHA512
4941b2e0c08f295d6c96fcd7770a6a8230221c31515f9f6ede61d8e8383c453de8564a0d3c0aa870a68811a9370312fedab0c527511903ea31423ba35c57b010
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ax8ikfp:z6QFElP6n+gKmddpMOtEvwDpj9aYaih
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 2024-03-06_3b98e9eae052c5dc7c892c2654a0deb9_cryptolocker
Files
-
2024-03-06_3b98e9eae052c5dc7c892c2654a0deb9_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