Behavioral task
behavioral1
Sample
2024-02-22_681dd6223e9d809acdc73c1c5f50d6cd_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-22_681dd6223e9d809acdc73c1c5f50d6cd_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-22_681dd6223e9d809acdc73c1c5f50d6cd_cryptolocker
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Size
58KB
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MD5
681dd6223e9d809acdc73c1c5f50d6cd
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SHA1
dc25ba9651f913736cd1c11679d3a4b8847a33a9
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SHA256
cd852f885bcf5b7c784c2cbeeafb0611d9110c533f391773303eb3bf3f7f769c
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SHA512
0ecb92760a11c8cc432c2019d2888b1abfb32ae849ff487233f2487543fdac6ff1f235a65c448973db1fb9cdd3b47851da2a011086e20abe179cd37edf507f02
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appOq0rS:z6QFElP6n+gKmddpMOtEvwDpj9aYalp
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 2024-02-22_681dd6223e9d809acdc73c1c5f50d6cd_cryptolocker
Files
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2024-02-22_681dd6223e9d809acdc73c1c5f50d6cd_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