Behavioral task
behavioral1
Sample
2024-02-01_e59cefbbd958d88f42d1a99c440a0d8e_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-01_e59cefbbd958d88f42d1a99c440a0d8e_cryptolocker.exe
Resource
win10v2004-20231222-en
General
-
Target
2024-02-01_e59cefbbd958d88f42d1a99c440a0d8e_cryptolocker
-
Size
116KB
-
MD5
e59cefbbd958d88f42d1a99c440a0d8e
-
SHA1
c961961c3be361667562a18da43e28580a14ec5b
-
SHA256
defeb15c9fa15a081fbb3e0937934e5251f63a1de8388210587a542d37d741c6
-
SHA512
5a77fac635c98a6d8543ca7e4c38db6e4401ad7655bd295319c07207fadbb53b6db1b4e9c6fc01d79ebfb8892be5f710de3037802408ceb8b3a2ebfa6c053832
-
SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01a:z6a+CdOOtEvwDpjczc
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 2024-02-01_e59cefbbd958d88f42d1a99c440a0d8e_cryptolocker
Files
-
2024-02-01_e59cefbbd958d88f42d1a99c440a0d8e_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