Behavioral task
behavioral1
Sample
2024-01-28_1a41b6e97eebda77a2ed3d5e38d6c711_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-28_1a41b6e97eebda77a2ed3d5e38d6c711_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-28_1a41b6e97eebda77a2ed3d5e38d6c711_cryptolocker
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Size
64KB
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MD5
1a41b6e97eebda77a2ed3d5e38d6c711
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SHA1
69c490ee4696c117060e9c5598f0d1b17e1058b7
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SHA256
991eedb39169ecd5708754f5b0c8315f3fbe6bdd843f8b7836985e91bc273a33
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SHA512
1a0d4611372a53134ebe0ee197f91ec24f257f3bd0de883eef37bad57618e00fa7dfb4ee20f49e5e5123dd489b3fdba710b48a70c577c47708903b2a7f8651a0
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+g0Uum/kLyMro2GtOOtEvwDpj/:z6QFElP6n+g0hmddpMOtEvwDpj
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 2024-01-28_1a41b6e97eebda77a2ed3d5e38d6c711_cryptolocker
Files
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2024-01-28_1a41b6e97eebda77a2ed3d5e38d6c711_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