Behavioral task
behavioral1
Sample
2024-04-25_840ef8231f5f898cbd4f615d6350a2c2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-25_840ef8231f5f898cbd4f615d6350a2c2_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-25_840ef8231f5f898cbd4f615d6350a2c2_cryptolocker
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Size
76KB
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MD5
840ef8231f5f898cbd4f615d6350a2c2
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SHA1
57125db901967981a6fe31aea940fae44c6dce62
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SHA256
9534497ca0839bfc8c5a10aa65402882b94f32fc5a38aa3ab039f4bb147c2595
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SHA512
e5b2dc40bcf88ce40d9522c64f70a403ee9484551f9a24186f4718f17f38156e8e0f7af34d109b667b05e408172c70c4626b4eb440d2d2929e643f262fab21c6
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxBf:T6a+rdOOtEvwDpjNtHPa
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 2024-04-25_840ef8231f5f898cbd4f615d6350a2c2_cryptolocker
Files
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2024-04-25_840ef8231f5f898cbd4f615d6350a2c2_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