Behavioral task
behavioral1
Sample
2024-03-06_b5b4054212b0bb8037382a28b5f04344_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-06_b5b4054212b0bb8037382a28b5f04344_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-06_b5b4054212b0bb8037382a28b5f04344_cryptolocker
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Size
58KB
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MD5
b5b4054212b0bb8037382a28b5f04344
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SHA1
6735cc3f088b6148aa2b97a346e5f0acb5a99429
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SHA256
bfc95b51d38b3853e6a395a47b9c06115d47b50b0d2a1d60bc27dfda8f156290
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SHA512
27c27a0de2ba3b261a6e2240486deb9dbe8cc41baf710b0c7a767f15d175b8df13add4a3b362c55e1b3799a2da3f057a1d3a1e3e3dc1d64422a77323474e248e
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appRR2A:z6QFElP6n+gKmddpMOtEvwDpj9aYa32A
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 2024-03-06_b5b4054212b0bb8037382a28b5f04344_cryptolocker
Files
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2024-03-06_b5b4054212b0bb8037382a28b5f04344_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