Behavioral task
behavioral1
Sample
2024-04-22_b7f23558bc01a47dc36906ecc4538b19_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-22_b7f23558bc01a47dc36906ecc4538b19_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-04-22_b7f23558bc01a47dc36906ecc4538b19_cryptolocker
-
Size
57KB
-
MD5
b7f23558bc01a47dc36906ecc4538b19
-
SHA1
788273ad6b745079d688ad66c498244c7c01f394
-
SHA256
0f07cbf571549c3a6a04879db5a724a6c6a1e4592a07fb7f491e836855a83685
-
SHA512
2fde8ff1df887bed221bbb65922a7082f3d508543a397248c829dbb03dd2dc1831e0dae6bfc8707593ad449d1139a2bc46750820358ac8d2c387f6ebd048de3c
-
SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAPz:H6QFElP6n+gou9cvMOtEvwDpjCpVX+
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 2024-04-22_b7f23558bc01a47dc36906ecc4538b19_cryptolocker
Files
-
2024-04-22_b7f23558bc01a47dc36906ecc4538b19_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: 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