Behavioral task
behavioral1
Sample
2024-02-19_8a8db5c11897a9461efbe30c68c10386_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-19_8a8db5c11897a9461efbe30c68c10386_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-19_8a8db5c11897a9461efbe30c68c10386_cryptolocker
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Size
57KB
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MD5
8a8db5c11897a9461efbe30c68c10386
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SHA1
6a41e89ea461383e0eede8563ac64ab0f8d9b1b9
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SHA256
8b9ff97ee5191a41f068897dee19c99ec89c0013f7a6692907276012a06755fb
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SHA512
a7bf855e3d74df6acac51da147de360b3a179380c28de4599fce0338695b22d7157e5eceb662e3a22f71e031c8aaf7a3c7ce6825676ac1e8aad482d311eca507
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFeV0ZOfcpys0:zj+soPSMOtEvwDpj4yu
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 2024-02-19_8a8db5c11897a9461efbe30c68c10386_cryptolocker
Files
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2024-02-19_8a8db5c11897a9461efbe30c68c10386_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