Behavioral task
behavioral1
Sample
2024-01-22_a027eef53041f0d6605a3d5961153f00_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-22_a027eef53041f0d6605a3d5961153f00_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-22_a027eef53041f0d6605a3d5961153f00_cryptolocker
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Size
55KB
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MD5
a027eef53041f0d6605a3d5961153f00
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SHA1
de08ff705a640b4c846c826fac29af317c368ffe
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SHA256
c6ad39cf484b5302c041c22134524f0c105bfd215f5d284f8e50e7f9cac82079
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SHA512
fb0402a00e2b739ac750ac3f6257b3b05396dbaf531e9dea7be3853f1edb8f0842fddcb9a41e371417dab630f9adc6522d8d7f8953bd507c53dec31d64229672
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFeV0ZOfcpLzJ:zj+soPSMOtEvwDpj4yzJ
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
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 2024-01-22_a027eef53041f0d6605a3d5961153f00_cryptolocker
Files
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2024-01-22_a027eef53041f0d6605a3d5961153f00_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - 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