Behavioral task
behavioral1
Sample
2024-05-02_6ccbe1fe004084f07f615dde9ef2c3b6_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-02_6ccbe1fe004084f07f615dde9ef2c3b6_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-02_6ccbe1fe004084f07f615dde9ef2c3b6_cryptolocker
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Size
55KB
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MD5
6ccbe1fe004084f07f615dde9ef2c3b6
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SHA1
7481553235a1946dc2462440e48d6ffcce7f11bc
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SHA256
b378f6199fd31cb0b70be11b52aeb5a0132bdd5cbdfcef92c22e49be0b0ca00b
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SHA512
b7140791e3ecb6bf63ff613dc111ebd4f4c8a04915dab128488b872ca4043aebb2d7c32027622abd8e6fe30b3125815433f3d64a1056bc746ad40b5848ef0d84
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlD:bP9g/xtCS3Dxx0Y
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 2024-05-02_6ccbe1fe004084f07f615dde9ef2c3b6_cryptolocker
Files
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2024-05-02_6ccbe1fe004084f07f615dde9ef2c3b6_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