Behavioral task
behavioral1
Sample
2024-01-28_a3c92b70efdda017afc31127cbce5839_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-28_a3c92b70efdda017afc31127cbce5839_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-28_a3c92b70efdda017afc31127cbce5839_cryptolocker
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Size
57KB
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MD5
a3c92b70efdda017afc31127cbce5839
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SHA1
1f8f363dfb2157488fdde026ed709667c1036bbf
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SHA256
74f1d8227890fbd19e35a5288b555f1b4e3f7b3accd335b51bcc47f01febed16
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SHA512
48490f2fd622dfd540a73738bdd5b3ef3a81918c5d590ed03f5dd0e04c49be8b96c09932198d98c1cab181d49f874b9b4330cdcc0620ab20f4365f1206944bd5
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFeV0ZOfcpLzb8:zj+soPSMOtEvwDpj4yzb8
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 2024-01-28_a3c92b70efdda017afc31127cbce5839_cryptolocker
Files
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2024-01-28_a3c92b70efdda017afc31127cbce5839_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