Behavioral task
behavioral1
Sample
2024-05-16_bd0a83adff185a4a135af056ce1b4b3e_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-16_bd0a83adff185a4a135af056ce1b4b3e_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-05-16_bd0a83adff185a4a135af056ce1b4b3e_cryptolocker
-
Size
34KB
-
MD5
bd0a83adff185a4a135af056ce1b4b3e
-
SHA1
a83c574aacc8721c38e8a7228724a7dc17e3aa06
-
SHA256
129505eb5fdc646d8f0ef91eeafbce21441bf48ec0c34bf8fe2666768f74d34f
-
SHA512
639a2562e9f845f552e1c1eea7692ee5bad1811a35013e7de451768193393fbbed38a46bed0e9b61366e6766edd43213848963752e724deabbceffc244d1fc37
-
SSDEEP
768:bFPm5zusFUB2preAr+Ofjg0S16avdrQFiLjJvtX2:bFPmpiif/oc+vX2
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 2024-05-16_bd0a83adff185a4a135af056ce1b4b3e_cryptolocker unpack001/out.upx
Files
-
2024-05-16_bd0a83adff185a4a135af056ce1b4b3e_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