Behavioral task
behavioral1
Sample
2024-04-29_a5d5853ba9f42c8128294ffe9de73625_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-29_a5d5853ba9f42c8128294ffe9de73625_cryptolocker.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-04-29_a5d5853ba9f42c8128294ffe9de73625_cryptolocker
-
Size
52KB
-
MD5
a5d5853ba9f42c8128294ffe9de73625
-
SHA1
e31d823a7c1028f8a20b22a163d0238bae5ab7ee
-
SHA256
b3d593e301a463f1f42f4bcd25540cf035f7049639d65d645c0ede9021e7a96a
-
SHA512
24e898c2337849a1819aa1dec4e34fbca4b9e19ed7e1cdaf6b086c02a1e74856cb80e5408eef5a46701d3f9b98addbb81b443979b42b1461dfc9a8965117c27e
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTO+:z6QFElP6n+gKmddpMOtEvwDpj31i+
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 2024-04-29_a5d5853ba9f42c8128294ffe9de73625_cryptolocker
Files
-
2024-04-29_a5d5853ba9f42c8128294ffe9de73625_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