Behavioral task
behavioral1
Sample
2024-02-13_cb3a682b1485e698e98615622ffd01d0_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-13_cb3a682b1485e698e98615622ffd01d0_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-02-13_cb3a682b1485e698e98615622ffd01d0_cryptolocker
-
Size
57KB
-
MD5
cb3a682b1485e698e98615622ffd01d0
-
SHA1
0e1156bad4893a0f685b2ffe85478597d1b641ae
-
SHA256
a215bf3376c62961c610d787d0600637503549ad3c0c7c1d09f5b8c195e548c5
-
SHA512
f51cf30d41ded5aad3c92ee8f7913728f6b4a9aca42180944a6345966f1c4ac202309294318638983000f0286f444cc49cabde21990c1fb5ac88dde44cbc3dc6
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ap7fO:z6QFElP6n+gKmddpMOtEvwDpj9aYaFfO
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 2024-02-13_cb3a682b1485e698e98615622ffd01d0_cryptolocker
Files
-
2024-02-13_cb3a682b1485e698e98615622ffd01d0_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