Behavioral task
behavioral1
Sample
2024-01-24_4df37b9a60a0a19537aeb2f210628838_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-24_4df37b9a60a0a19537aeb2f210628838_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-24_4df37b9a60a0a19537aeb2f210628838_cryptolocker
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Size
55KB
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MD5
4df37b9a60a0a19537aeb2f210628838
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SHA1
574c942a2af19c6d10f7aec200d393416cdc092b
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SHA256
1199e31199416cbc12b46f6ae94a22e2e360d2ad334325dd36395c67995dce0a
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SHA512
a4fa9e322d94a3a9e2c932e434c8be04413453e021861300be97b3d23df36d3e6ffe612d9fed1f4bae4cb1e7b23a561d639e7f91c62ef97f57bac34eca7c404d
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5apt:z6QFElP6n+gKmddpMOtEvwDpj9aYaD
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 2024-01-24_4df37b9a60a0a19537aeb2f210628838_cryptolocker
Files
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2024-01-24_4df37b9a60a0a19537aeb2f210628838_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