Behavioral task
behavioral1
Sample
2024-05-02_51a4d5f5e1ddc06fd94023eb7fd5f196_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-02_51a4d5f5e1ddc06fd94023eb7fd5f196_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-02_51a4d5f5e1ddc06fd94023eb7fd5f196_cryptolocker
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Size
51KB
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MD5
51a4d5f5e1ddc06fd94023eb7fd5f196
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SHA1
2bcdeca68501ab51fad0a62c8a64d0c30843f76d
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SHA256
a22303cf20857977b7bdb42d955fefa13221177b67125797fb00ddc4afce0f75
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SHA512
56311a89780e17646b16cd2433b4fd5e4daeea62a70b0aad3d35f2d7ecd1e62bfd1bfd2f47a763dbe4ab1f4490d3dc198ed4288fc6631c6da8335c613037f442
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOV:bODOw9acifAoc+vS
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_51a4d5f5e1ddc06fd94023eb7fd5f196_cryptolocker
Files
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2024-05-02_51a4d5f5e1ddc06fd94023eb7fd5f196_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: 16KB - Virtual size: 28KB
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: 8KB - 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