Behavioral task
behavioral1
Sample
2024-01-26_aa0e6dc4261b8e9f7870763c8d55a8b6_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-26_aa0e6dc4261b8e9f7870763c8d55a8b6_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-26_aa0e6dc4261b8e9f7870763c8d55a8b6_cryptolocker
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Size
73KB
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MD5
aa0e6dc4261b8e9f7870763c8d55a8b6
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SHA1
a34dfbdabe7aab0c61e4b0a3d503186976eef0ce
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SHA256
bc406ec5225caef8f6ca6a951f63de466bb0c5152855c48b91ed8aa1a81b90a7
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SHA512
dd16c4cf461bee090e23fb3a2fe194298ef6f3ad824f0436e6c3c3adc2d4f807d70888f88adf6f1e17da47a6b85cfe53385c0769c5b8225632c6f7e2bfa3b166
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxA:T6a+rdOOtEvwDpjNtHPH
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 2024-01-26_aa0e6dc4261b8e9f7870763c8d55a8b6_cryptolocker
Files
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2024-01-26_aa0e6dc4261b8e9f7870763c8d55a8b6_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