Behavioral task
behavioral1
Sample
2024-03-13_b0efeda687b78cf03f2d86c00441f7a0_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-13_b0efeda687b78cf03f2d86c00441f7a0_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-13_b0efeda687b78cf03f2d86c00441f7a0_cryptolocker
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Size
118KB
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MD5
b0efeda687b78cf03f2d86c00441f7a0
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SHA1
97eee6c0fac907259055d1324fade18cf7405ac0
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SHA256
5dc88a2e2db208d4f467b3ef709c1ee8b6f237be4d404e275b3b9d6add172386
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SHA512
acc9d85c6a85cbdc78b77e41407f839830f1975d1d70b0290c2f87629d2ae16d091ea77cb4da08f8f4155d8fcf69382a8c2afa5573025946a3314be39edc3e4a
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01ZNX:z6a+CdOOtEvwDpjczx
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 2024-03-13_b0efeda687b78cf03f2d86c00441f7a0_cryptolocker
Files
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2024-03-13_b0efeda687b78cf03f2d86c00441f7a0_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_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