Behavioral task
behavioral1
Sample
2024-04-15_cf38fd8a2c02208aac88a637c2f1d31c_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-15_cf38fd8a2c02208aac88a637c2f1d31c_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-15_cf38fd8a2c02208aac88a637c2f1d31c_cryptolocker
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Size
54KB
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MD5
cf38fd8a2c02208aac88a637c2f1d31c
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SHA1
13ca54a0fdff2a97f330159421bdeb29e5cb1e6e
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SHA256
6f033527029f357c7e0cd6e38a04dcbbb06e4e0c255700e150089e220c1ed9b9
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SHA512
08cbb18428fc91c39eed719c3c5d27819e660f6193e0ab3de90fe52130be7fe50b05f4b5afc8381b57c624f79e3cc98ff72ec506f44cce2c7f92a371126b7b38
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUL7:bP9g/xtCS3Dxx0G
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-04-15_cf38fd8a2c02208aac88a637c2f1d31c_cryptolocker
Files
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2024-04-15_cf38fd8a2c02208aac88a637c2f1d31c_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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