Behavioral task
behavioral1
Sample
2024-03-08_b8a9168458c151d3b5f37cc01fb741f4_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-08_b8a9168458c151d3b5f37cc01fb741f4_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-08_b8a9168458c151d3b5f37cc01fb741f4_cryptolocker
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Size
87KB
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MD5
b8a9168458c151d3b5f37cc01fb741f4
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SHA1
a79f857af304aac67c3352091c7cdcdba16bf94c
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SHA256
f780d572ad48834b2dcd35b645be02ef731dae1002ae320f864583750ae17d23
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SHA512
0e4bce5eb9b83dd4ae51dd169f1372d576f8b41e4c393f31315696bcd351df62c06a78d5b04884915117c0e26a13d58ca31569a55a890c84953938a51a5946d7
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy8tX:zCsanOtEvwDpj5
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 2024-03-08_b8a9168458c151d3b5f37cc01fb741f4_cryptolocker
Files
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2024-03-08_b8a9168458c151d3b5f37cc01fb741f4_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