Behavioral task
behavioral1
Sample
2024-01-27_38b740d16a1ebbc179ccb504e41f7703_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-27_38b740d16a1ebbc179ccb504e41f7703_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-01-27_38b740d16a1ebbc179ccb504e41f7703_cryptolocker
-
Size
96KB
-
MD5
38b740d16a1ebbc179ccb504e41f7703
-
SHA1
d7d088992a149d1a7f554ee3fb76d1ff8f39682d
-
SHA256
0e89936d141534de2dc7a2e2faf6833bd3e30c630b0300f410ad6395b2aa01b0
-
SHA512
89762f2a6af5080eaede1f4061f3424844199424a1420cf70a24ff82a1dbc026530424055e2d591835cc2805b0af37e59e6b7cd9cc4d6abd7a400421a51ddcab
-
SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbbr/BQn:z6a+CdOOtEvwDpjcW
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 2024-01-27_38b740d16a1ebbc179ccb504e41f7703_cryptolocker
Files
-
2024-01-27_38b740d16a1ebbc179ccb504e41f7703_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