Behavioral task
behavioral1
Sample
2024-05-23_597701497a0d63896ef9e409c243d99c_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-23_597701497a0d63896ef9e409c243d99c_cryptolocker.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-05-23_597701497a0d63896ef9e409c243d99c_cryptolocker
-
Size
90KB
-
MD5
597701497a0d63896ef9e409c243d99c
-
SHA1
2386b23d9111907ec121bd33a5021707eb2e6ca8
-
SHA256
e95730b94a54432ed4f19b1fcffc52d1c7e38d41a865639965fac82ca4c4846a
-
SHA512
4a0c569fc0123fd97fc0b7cfe4c333fd36e9162cd7f93f30061bb3b1bb5b3ed75d4a9b68c1525d5882d750eb9abc4014e33c71d6b4c63127836d3eaccb687183
-
SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAyS:n6a+1SEOtEvwDpjYYvQd2PH
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 2024-05-23_597701497a0d63896ef9e409c243d99c_cryptolocker
Files
-
2024-05-23_597701497a0d63896ef9e409c243d99c_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: 11KB - 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