Behavioral task
behavioral1
Sample
2024-04-08_4ff20115fcea58f42add40dda3ac94fd_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-08_4ff20115fcea58f42add40dda3ac94fd_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-04-08_4ff20115fcea58f42add40dda3ac94fd_cryptolocker
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Size
59KB
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MD5
4ff20115fcea58f42add40dda3ac94fd
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SHA1
557647d50531222849b5d4fa6fa3199ac7eacfe9
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SHA256
03ba8637eff0e525a6d7b0f56e5523fac3d62820e273422e7358c33c180104bd
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SHA512
c5e93d19d3ba2ddbcc18d5cae57b84cb46b0965989935484fb9874f07bc5a5320571ebdde50a7deebb4bd0428f9501c94ebeff137b8a1cd04fca035db74fe460
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appOtu:z6QFElP6n+gKmddpMOtEvwDpj9aYaj
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 2024-04-08_4ff20115fcea58f42add40dda3ac94fd_cryptolocker
Files
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2024-04-08_4ff20115fcea58f42add40dda3ac94fd_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