Behavioral task
behavioral1
Sample
2024-06-09_955b1f5429900772bcedf0523c1b2fd7_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-09_955b1f5429900772bcedf0523c1b2fd7_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-06-09_955b1f5429900772bcedf0523c1b2fd7_cryptolocker
-
Size
90KB
-
MD5
955b1f5429900772bcedf0523c1b2fd7
-
SHA1
773f09ac791b3c4e52d0f2225ceb94e943f3b8b3
-
SHA256
236d679851805311567522d2d5b30e0163183dfdb71802f1b9b7e3454758195e
-
SHA512
0b8ddfeaeaaf86fff3fa7987490f1df88bac33b664140725c68fa26bb8eaf518cd7aeb3aefdcfed66e134367c179a42a9df094f5d890f43f2e73880d68e8d9ed
-
SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/NK:n6a+1SEOtEvwDpjYYvQd2Pj
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 2024-06-09_955b1f5429900772bcedf0523c1b2fd7_cryptolocker
Files
-
2024-06-09_955b1f5429900772bcedf0523c1b2fd7_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: 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