Behavioral task
behavioral1
Sample
2024-04-25_c287ea95dd0f588b2336f2229d47a6b3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-25_c287ea95dd0f588b2336f2229d47a6b3_cryptolocker.exe
Resource
win10v2004-20240412-en
General
-
Target
2024-04-25_c287ea95dd0f588b2336f2229d47a6b3_cryptolocker
-
Size
59KB
-
MD5
c287ea95dd0f588b2336f2229d47a6b3
-
SHA1
51f0367f8d8cc35d0241cfab9085d0375d29a42b
-
SHA256
eb8c205300167bead8631a6278ec0faccb048d765bcac9bb62d209f3a0fdf228
-
SHA512
e3de297b583a4119960777f16f8ded3759ee072607ed38c2d3bebbdd05fd61f42843e2d84bd48f284d4e6a12284a20dddf506721a42c48ae7279813dd8cc4aea
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5app1J7W:z6QFElP6n+gKmddpMOtEvwDpj9aYaz7W
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 2024-04-25_c287ea95dd0f588b2336f2229d47a6b3_cryptolocker
Files
-
2024-04-25_c287ea95dd0f588b2336f2229d47a6b3_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: 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