Behavioral task
behavioral1
Sample
2024-04-30_3b3fad105308cc30c6e3544f7752cdaa_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-30_3b3fad105308cc30c6e3544f7752cdaa_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-30_3b3fad105308cc30c6e3544f7752cdaa_cryptolocker
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Size
83KB
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MD5
3b3fad105308cc30c6e3544f7752cdaa
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SHA1
54ddf066d7aca22f176f76e73a2d40876590aedd
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SHA256
e9be19c50ee17bc91fdbb55eafd6266bfb68ca6ae46e04691dcceef4364721fd
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SHA512
e1414c24c0f6ed15d4077120c772fc898b4185cf402d3be9a0c3af3f7393714da59e0c078fccd48ee936dc1528f91270c037f37caa25f60d9ea7b911ae98f4c6
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1j:zCsanOtEvwDpjZ
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 2024-04-30_3b3fad105308cc30c6e3544f7752cdaa_cryptolocker
Files
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2024-04-30_3b3fad105308cc30c6e3544f7752cdaa_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