Behavioral task
behavioral1
Sample
2024-03-07_2a36e33728a0b241a13e734a6846c5e2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-07_2a36e33728a0b241a13e734a6846c5e2_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-07_2a36e33728a0b241a13e734a6846c5e2_cryptolocker
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Size
64KB
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MD5
2a36e33728a0b241a13e734a6846c5e2
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SHA1
036b8b5a0f85a0c3c76f5e5bb35537ace4785806
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SHA256
421c735e7eebf419bee8e6a15dde1674e254872462307496daf150e28ddc67ea
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SHA512
c784706b65d8f95d9624aaa3c34ae4210ac952cf0d7f4d95b4988231219bfcabea3adbf5b332ece91e74e864bbd8d31e8a699f7017537c8e0d1064cc2370f064
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5K7hFiWx:zj+soPSMOtEvwDpj4kpmeLmWl
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 2024-03-07_2a36e33728a0b241a13e734a6846c5e2_cryptolocker
Files
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2024-03-07_2a36e33728a0b241a13e734a6846c5e2_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