Behavioral task
behavioral1
Sample
2024-02-12_c305ee08c2c75c67aa3e146413119198_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-12_c305ee08c2c75c67aa3e146413119198_cryptolocker.exe
Resource
win10v2004-20231222-en
General
-
Target
2024-02-12_c305ee08c2c75c67aa3e146413119198_cryptolocker
-
Size
126KB
-
MD5
c305ee08c2c75c67aa3e146413119198
-
SHA1
245841bdb458d6006b9fe8eacdabd49c43b8939b
-
SHA256
8cac72bb4dfef748bd481de89cb32e8de1e57c5ff0994e65cad77659e53e2ecd
-
SHA512
66b16806b39213b1a5d34e90fb9940ff954ba235a87c482cebbec7af7089c9e0f70d16e54c08448becd09cf83b26a664bd431e736c05fce25ddacd2d8e15557b
-
SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp699GNtL1eInY:AnBdOOtEvwDpj6zV
Malware Config
Signatures
-
Detection of CryptoLocker Variants 2 IoCs
Processes:
resource yara_rule sample CryptoLocker_rule2 static1/unpack001/out.upx CryptoLocker_rule2 -
Detection of Cryptolocker Samples 2 IoCs
Processes:
resource yara_rule sample CryptoLocker_set1 static1/unpack001/out.upx CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
Processes:
resource yara_rule sample UPX -
Processes:
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
Processes:
resource 2024-02-12_c305ee08c2c75c67aa3e146413119198_cryptolocker unpack001/out.upx
Files
-
2024-02-12_c305ee08c2c75c67aa3e146413119198_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
Sections
UPX0 Size: - 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
-
out.upx.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
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ