Behavioral task
behavioral1
Sample
2024-04-26_fb131b85b20800f47c9582412d9cf60e_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-26_fb131b85b20800f47c9582412d9cf60e_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-26_fb131b85b20800f47c9582412d9cf60e_cryptolocker
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Size
55KB
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MD5
fb131b85b20800f47c9582412d9cf60e
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SHA1
3c4d1b7ee4ceac49f5ccb262cb6615c9032df8fb
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SHA256
19b7573757040c5cd2f26b12f6f63677532b788ed86b7dac7184d52ea637e871
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SHA512
19c8605c45f77f52dee86d8856e7d7a165e2435f4bba408be287c4a57dadf1474dd815b60652b75c0f4ad1d8805d75e07e36abbc5d53b3d2237a71ca1b066021
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+9:bP9g/xtCS3Dxx0J9
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 2024-04-26_fb131b85b20800f47c9582412d9cf60e_cryptolocker
Files
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2024-04-26_fb131b85b20800f47c9582412d9cf60e_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