Behavioral task
behavioral1
Sample
2024-04-29_2658f04e260b7049cdbff3d18caa6b8e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-29_2658f04e260b7049cdbff3d18caa6b8e_cryptolocker.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-04-29_2658f04e260b7049cdbff3d18caa6b8e_cryptolocker
-
Size
80KB
-
MD5
2658f04e260b7049cdbff3d18caa6b8e
-
SHA1
0d6c5a29808e80cf1dc16d6ee275094c3329144d
-
SHA256
15152ca7724193a55359bfba7c12a4014b38cc60a6e0d5533798f5f3766d007f
-
SHA512
e6f34999e9085e2456d5573133383c27b0a4cb834a0cf7f48bc30c57eafb1e0028e088c39725f0ea84a47872fa1275868d4c14666d18d8f178ac65bc1ef97dbf
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qh:zCsanOtEvwDpjV
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_2658f04e260b7049cdbff3d18caa6b8e_cryptolocker
Files
-
2024-04-29_2658f04e260b7049cdbff3d18caa6b8e_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_CODE
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