Behavioral task
behavioral1
Sample
2024-04-23_a43821bdcbc59dff75e7cbb7905468e5_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-23_a43821bdcbc59dff75e7cbb7905468e5_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-23_a43821bdcbc59dff75e7cbb7905468e5_cryptolocker
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Size
89KB
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MD5
a43821bdcbc59dff75e7cbb7905468e5
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SHA1
e8b1d4cd74dc2fe40977d846be94985e5038efcb
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SHA256
c98801b9d23c5abc1f4265125a98c566e69849a0d7f01a997a5710059bc8044d
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SHA512
d6bfc01da62aa1149ca57e59e8787e15e31a62c3dd0152e4695ab885cc431af349878dc4651ca7636b2b690ebfbd78638aa910cd874ba01a76f96377af59e63b
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SSDEEP
1536:H6QFElP6n+gou9cvMOtEvwDpjrYTjipvF2bx1PQAe:H6a+uSEOtEvwDpjrYvQd2Pe
Malware Config
Signatures
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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 2024-04-23_a43821bdcbc59dff75e7cbb7905468e5_cryptolocker
Files
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2024-04-23_a43821bdcbc59dff75e7cbb7905468e5_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: 11KB - 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