Behavioral task
behavioral1
Sample
2024-06-14_1235b4b4659956984202d9e99a49b308_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-14_1235b4b4659956984202d9e99a49b308_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-06-14_1235b4b4659956984202d9e99a49b308_cryptolocker
-
Size
81KB
-
MD5
1235b4b4659956984202d9e99a49b308
-
SHA1
4aaadcafc32dfa78ad8d6d286f9a0e7530635097
-
SHA256
3c5781a40b50f7cc86502620ee86e5662ccc80ca7d7cc4f8b2042004090e6bf4
-
SHA512
1fd4a99d9f48ba30227067cce591d78875153b8799a31fa674b18379963555cf12885f3ef9c9304d7a3ea370c50904c6697e092ea678a9e41abe95ac84fdbea5
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QS:zCsanOtEvwDpje
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 2024-06-14_1235b4b4659956984202d9e99a49b308_cryptolocker
Files
-
2024-06-14_1235b4b4659956984202d9e99a49b308_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_CODE
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