Behavioral task
behavioral1
Sample
2024-03-08_33b81f5b19dc97db87af3be7fbc7eb16_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-08_33b81f5b19dc97db87af3be7fbc7eb16_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-08_33b81f5b19dc97db87af3be7fbc7eb16_cryptolocker
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Size
57KB
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MD5
33b81f5b19dc97db87af3be7fbc7eb16
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SHA1
eacd0bd287994f60549a806eeaad835c6d76bbed
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SHA256
ac9beb13ac13282a57adc29bfbe36620ecfb98295fff31b0d497540059e74359
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SHA512
5df3ab00de99b851c56f68f00433fab736d979120713d5deb7b3f3fe0b9597162f3a5c8bf7812e03c6816b649367129d8a3609e2ff5c18146209747522026b5d
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ax8ikfk:z6QFElP6n+gKmddpMOtEvwDpj9aYai8
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 2024-03-08_33b81f5b19dc97db87af3be7fbc7eb16_cryptolocker
Files
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2024-03-08_33b81f5b19dc97db87af3be7fbc7eb16_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