Behavioral task
behavioral1
Sample
2024-04-23_a5cc03ddc0acf08e3321c42a1dbea37d_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-23_a5cc03ddc0acf08e3321c42a1dbea37d_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-23_a5cc03ddc0acf08e3321c42a1dbea37d_cryptolocker
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Size
75KB
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MD5
a5cc03ddc0acf08e3321c42a1dbea37d
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SHA1
74ae2f56a31c32c7e86c72eb32dc9a724c220d00
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SHA256
441cc265966bef9cbc596b92063f7836687ff304aca3548a8ea47fe1e541bbed
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SHA512
5952d497ce38ec87f34aab118d09d5614911df72dbf33c3a3995a436302c3f6871674d4b8b6ac24d399dd7d87709d84a2a5efcb2ffb9492e365308a6537b56b8
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsaleF+:1nK6a+qdOOtEvwDpjk
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 2024-04-23_a5cc03ddc0acf08e3321c42a1dbea37d_cryptolocker
Files
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2024-04-23_a5cc03ddc0acf08e3321c42a1dbea37d_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE