Behavioral task
behavioral1
Sample
2024-05-02_a5b961656c66df3ac7a23afd35214577_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-02_a5b961656c66df3ac7a23afd35214577_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-02_a5b961656c66df3ac7a23afd35214577_cryptolocker
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Size
89KB
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MD5
a5b961656c66df3ac7a23afd35214577
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SHA1
97dd97994b41b543e7b6fbcb598a302a60b1e101
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SHA256
b0a0d2ab9256b09d3ef6c600dc0da3d605f8745f735f89297b71f7d7ed4426ff
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SHA512
bb3b271ff7bc3f1dd6acfb1c389eab88a0fcdf4022bd332e5e01f4c053020996d90fcf0c63ba6fe75a4a660f8fd5790d22914b0e8ff955d1c899141255cf7531
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAk:n6a+1SEOtEvwDpjYYvQd2Pk
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 2024-05-02_a5b961656c66df3ac7a23afd35214577_cryptolocker
Files
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2024-05-02_a5b961656c66df3ac7a23afd35214577_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_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