Behavioral task
behavioral1
Sample
2024-02-27_2b0d0ab1f7ba9f7c6d82a8bf4d8ce8d0_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-27_2b0d0ab1f7ba9f7c6d82a8bf4d8ce8d0_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-27_2b0d0ab1f7ba9f7c6d82a8bf4d8ce8d0_cryptolocker
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Size
109KB
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MD5
2b0d0ab1f7ba9f7c6d82a8bf4d8ce8d0
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SHA1
813d1c742317dc61c9b1fb959889e7315a55ed9f
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SHA256
94b7c3b3babc0cd084d9929a68812d1f36bf4f7e585d54176bfaae7197d33e04
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SHA512
f3f6168ba6f91d618db94bdf0b3af22b0b9248c5373e7753e05c039440c39c686000ae3450ff8bac32b85104b0a759f084f3d8f12c725c11fe6ac3d4a4bffcd5
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwMg8+:z6a+CdOOtEvwDpjczf
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 2024-02-27_2b0d0ab1f7ba9f7c6d82a8bf4d8ce8d0_cryptolocker
Files
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2024-02-27_2b0d0ab1f7ba9f7c6d82a8bf4d8ce8d0_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