Behavioral task
behavioral1
Sample
2024-05-29_a2e9b8c9c08c42204b16ecac24acb7f3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-29_a2e9b8c9c08c42204b16ecac24acb7f3_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-29_a2e9b8c9c08c42204b16ecac24acb7f3_cryptolocker
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Size
41KB
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MD5
a2e9b8c9c08c42204b16ecac24acb7f3
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SHA1
6261ed66ca57319374fdf926e05dbf726b43135d
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SHA256
6934a9ee12b9a291a5ddd539e033e7e71872fc2e67b93317ed964116464ae972
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SHA512
2f623b874a9c49b26bf3e64552e84269c2e24867334cfe14997bb66453c147024cd8a6bd2509073bcc98105e7aa8fd0b2370fd91ca176af5b0e40eae01647cfc
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SSDEEP
768:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKsmoX:ba6YcA/Xk3wXFXSqAJqX
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 2024-05-29_a2e9b8c9c08c42204b16ecac24acb7f3_cryptolocker
Files
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2024-05-29_a2e9b8c9c08c42204b16ecac24acb7f3_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