Behavioral task
behavioral1
Sample
2024-01-26_f281cb33c27f4c7083910f48547067b8_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-26_f281cb33c27f4c7083910f48547067b8_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-01-26_f281cb33c27f4c7083910f48547067b8_cryptolocker
-
Size
115KB
-
MD5
f281cb33c27f4c7083910f48547067b8
-
SHA1
d0d4eebcb22a64d69983a691b885a931b9dbf9d8
-
SHA256
f637d3da9beee184f76157a8b73116f037ddb6b309513b907ae200a0b32aeff3
-
SHA512
c65fed107bbf7655393d488cdb5be678f827f622a430258472e82962b43ccaa45391ed25c6f2d6a848c0591ac1631b5fa890c30e21294ca404860f438d1b75c8
-
SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01/:z6a+CdOOtEvwDpjczN
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 2024-01-26_f281cb33c27f4c7083910f48547067b8_cryptolocker
Files
-
2024-01-26_f281cb33c27f4c7083910f48547067b8_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