Behavioral task
behavioral1
Sample
2024-05-29_b1af44cb2c93134e2fdd73b96429cdda_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-29_b1af44cb2c93134e2fdd73b96429cdda_cryptolocker.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-05-29_b1af44cb2c93134e2fdd73b96429cdda_cryptolocker
-
Size
91KB
-
MD5
b1af44cb2c93134e2fdd73b96429cdda
-
SHA1
65bd947863ba167e21b6ab137493dde862792ef1
-
SHA256
37282348da9d1048b7d31ca9f89ceef405cf3c0580ce63d05c743ea51a6bfe63
-
SHA512
4540f762dfb1349db0427347fc2c3b5cd46373e2bd2e951a297694a3b207e2602fc7b9dea581f5b3889a38e8e1065e5e79aed979852dcba44ba43e7be63b7ead
-
SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/Dt:n6a+1SEOtEvwDpjYYvQd2Pa
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 2024-05-29_b1af44cb2c93134e2fdd73b96429cdda_cryptolocker
Files
-
2024-05-29_b1af44cb2c93134e2fdd73b96429cdda_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