Behavioral task
behavioral1
Sample
2024-05-28_c839bf1ad7769ab6a648c7efc8ce3b7a_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-28_c839bf1ad7769ab6a648c7efc8ce3b7a_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-05-28_c839bf1ad7769ab6a648c7efc8ce3b7a_cryptolocker
-
Size
90KB
-
MD5
c839bf1ad7769ab6a648c7efc8ce3b7a
-
SHA1
937f5d56bc8f52ce1c997750ceca28791ae1d687
-
SHA256
190e751cc48095415de184eae81cb225bbf35c183e42e90803021fa6bf4f8ac6
-
SHA512
99626f93048db8f7c12b9d1a1ac7069eb314f392a57483c21796d9a7cffb123b2d5127ca809b3fb48e1afbfc9ffd33c87185e301de58c113c49608f27942d75b
-
SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/+:n6a+1SEOtEvwDpjYYvQd2PF
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 2024-05-28_c839bf1ad7769ab6a648c7efc8ce3b7a_cryptolocker
Files
-
2024-05-28_c839bf1ad7769ab6a648c7efc8ce3b7a_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