Static task
static1
Behavioral task
behavioral1
Sample
2024-03-26_6dfa81f156e36e2ab05a4408f5c5e311_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-26_6dfa81f156e36e2ab05a4408f5c5e311_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-26_6dfa81f156e36e2ab05a4408f5c5e311_cryptolocker
-
Size
100KB
-
MD5
6dfa81f156e36e2ab05a4408f5c5e311
-
SHA1
4f3f145cbb42669e5925e51467437dc66e869082
-
SHA256
f311be9548a3fa465967621443b8e38aad9033e8b814981ff2db71f679cfe42f
-
SHA512
ef5cd06f2c34947970c26f4ebd6dcd7040b83fc789c869edccb988304ce1b099f8a8bd3a425306377ced35805c9f8b2248e2e1cd082d2d51e29385b1be03a080
-
SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJHlv/k2OYPr:xj+VGMOtEvwDpjubwQEIiVmkxv/CYPr
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 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-03-26_6dfa81f156e36e2ab05a4408f5c5e311_cryptolocker
Files
-
2024-03-26_6dfa81f156e36e2ab05a4408f5c5e311_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
.MPRESS1 Size: 17KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 16KB
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