Behavioral task
behavioral1
Sample
2024-04-22_a291f61d9d1aa1889a95a1c7b6411338_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-22_a291f61d9d1aa1889a95a1c7b6411338_cryptolocker.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-22_a291f61d9d1aa1889a95a1c7b6411338_cryptolocker
-
Size
54KB
-
MD5
a291f61d9d1aa1889a95a1c7b6411338
-
SHA1
8bda7ca74fc088d21231b5632aa1fea240318382
-
SHA256
b1dbfa83b04a6baabdbbc55ee0404237ee22b3c9ad27c6f7cff3420110369021
-
SHA512
1338c353189f6a95e6deb9b90ec488a43f175cc1fba3ef05d82ae60562295d61103a256042fc168beebd4a01b7318ccef8e89a157e2a29596bae636af45bb99f
-
SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgC4:bP9g/xtCS3Dxx0Q4
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-04-22_a291f61d9d1aa1889a95a1c7b6411338_cryptolocker
Files
-
2024-04-22_a291f61d9d1aa1889a95a1c7b6411338_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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