Behavioral task
behavioral1
Sample
2024-03-27_bf5f6c6cb05c92167713f6e8b901fc70_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-27_bf5f6c6cb05c92167713f6e8b901fc70_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-27_bf5f6c6cb05c92167713f6e8b901fc70_cryptolocker
-
Size
82KB
-
MD5
bf5f6c6cb05c92167713f6e8b901fc70
-
SHA1
0af23f77accb4a1c3ee00521d635d3ca51f54bb6
-
SHA256
0847221b636e3fb4fddfdae526f4a43eae45904e6189df0d1d2bfbdbc9f3925a
-
SHA512
cc71f7b41bff648e8f73ea4c54dfb83ef02d541754f113c9e9bd65a4d4da42624858de71602da4fd3b13c93ca547c2d29ded213756a4c10365a7a24f4c9b1f0a
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBd00:T6a+rdOOtEvwDpjNtz
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 2024-03-27_bf5f6c6cb05c92167713f6e8b901fc70_cryptolocker
Files
-
2024-03-27_bf5f6c6cb05c92167713f6e8b901fc70_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