Behavioral task
behavioral1
Sample
2024-06-05_838a3691baddb3f2ac08ea945ad19cdd_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-05_838a3691baddb3f2ac08ea945ad19cdd_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-06-05_838a3691baddb3f2ac08ea945ad19cdd_cryptolocker
-
Size
98KB
-
MD5
838a3691baddb3f2ac08ea945ad19cdd
-
SHA1
23d30048757d3b67ec682ba52749ab1d8bd3cab0
-
SHA256
f4685b73b1e4037a57fa09b7c475c39c78269793a1df9f9490239729c64334f3
-
SHA512
4701bb26c4f4245b48b729f381b4a4f9c5d280043e1e97c4ba0a1b1c01bb534116bfe363dae305479a71361bbe2e2a43e3dbff056bb92a1b5253a0ea2ae22c17
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/bqIL:zCsanOtEvwDpjB7
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 2024-06-05_838a3691baddb3f2ac08ea945ad19cdd_cryptolocker
Files
-
2024-06-05_838a3691baddb3f2ac08ea945ad19cdd_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_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - 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