Behavioral task
behavioral1
Sample
2024-06-03_b4b2e4f39a372b2c5495610ee45e7a35_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-03_b4b2e4f39a372b2c5495610ee45e7a35_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-06-03_b4b2e4f39a372b2c5495610ee45e7a35_cryptolocker
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Size
60KB
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MD5
b4b2e4f39a372b2c5495610ee45e7a35
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SHA1
eebf6aa20ee158cfc213698468abfe0b093e38ae
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SHA256
312c6f2260ad451477fbf594e361f507d8be95c80343029b1d6684bd9de6bbea
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SHA512
a719386b12ff6b06108c889bba047b6136047d73ea0990aa8528a2e731f524d13fd235344eac28f4f9873dec432180d1f26fa30679df96149bbe109ba43531ec
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAP6pB:H6QFElP6n+gou9cvMOtEvwDpjCpVX/
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 2024-06-03_b4b2e4f39a372b2c5495610ee45e7a35_cryptolocker
Files
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2024-06-03_b4b2e4f39a372b2c5495610ee45e7a35_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: 11KB - 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