Behavioral task
behavioral1
Sample
2024-03-14_fc551d95d1d28e11b64aef0797a01fb1_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-14_fc551d95d1d28e11b64aef0797a01fb1_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-14_fc551d95d1d28e11b64aef0797a01fb1_cryptolocker
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Size
64KB
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MD5
fc551d95d1d28e11b64aef0797a01fb1
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SHA1
5b488fb767beac16ae80fa4c0fc3b91e851f89f2
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SHA256
57a6d92d4d4e7c1c3eb8a7679e19814c348b3d3900c3c9eed5ffdcdf6aeb6ef2
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SHA512
9120756a223df2d9e1a7eaf7378de0e7611705cb0e545273526197f1d54cf921cdcb2dd9c24ec1f84c65f69209e9ddcd4473f692b3100a3e677c452bb4e92860
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5kKn:zj+soPSMOtEvwDpj4kpmeLmQKn
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 2024-03-14_fc551d95d1d28e11b64aef0797a01fb1_cryptolocker
Files
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2024-03-14_fc551d95d1d28e11b64aef0797a01fb1_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