Behavioral task
behavioral1
Sample
2024-04-05_07d19c6283305aa7d044d94c869a1209_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-05_07d19c6283305aa7d044d94c869a1209_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-04-05_07d19c6283305aa7d044d94c869a1209_cryptolocker
-
Size
21KB
-
MD5
07d19c6283305aa7d044d94c869a1209
-
SHA1
7b89b26d71cb879b29037687f0b228ecc2fa3005
-
SHA256
e85c7535e5a943b667f46575ab7e8ebdad8e5ed6cbe1d51154d7e4dd57cded58
-
SHA512
175b59d57a42aa35ca327e89ddb377826f1a15f937123093362ff7f7d41e5b30bcab06ae68ffaee06d71973a0fbd6f8fa3b63809a8c975d91d0cfa96ca9b0f13
-
SSDEEP
384:bVCPwFRuFn65arz1ZhdaXFXSCVQTLfjDpS:bVCPwFRo6CpwXFXSqQXfjY
Malware Config
Signatures
-
Detection of CryptoLocker Variants 2 IoCs
resource yara_rule sample CryptoLocker_rule2 static1/unpack001/out.upx CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-04-05_07d19c6283305aa7d044d94c869a1209_cryptolocker unpack001/out.upx
Files
-
2024-04-05_07d19c6283305aa7d044d94c869a1209_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
Sections
UPX0 Size: - Virtual size: 28KB
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: 8KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
-
out.upx.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
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ