Behavioral task
behavioral1
Sample
2024-02-28_c25f4fb172a385089b2b9c63e0d8338c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_c25f4fb172a385089b2b9c63e0d8338c_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_c25f4fb172a385089b2b9c63e0d8338c_cryptolocker
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Size
57KB
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MD5
c25f4fb172a385089b2b9c63e0d8338c
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SHA1
bb4299d88ab55b855bd8e3dd6ec8d19ebc9ab6fd
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SHA256
0e2483aff5c9c1c86af061c372552aac93cb9e04dfe4afae5418f5a5ddf16bd0
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SHA512
e804dfb36ceca6dffb3e960bc854018231e630c28a8ef0659c8a5a97d3e5e592fe8d0bbaf888b49b1e93e84f2bb62029690bb29af43771ce3c94e93157409280
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appEKksOlA:z6QFElP6n+gKmddpMOtEvwDpj9aYa7
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 2024-02-28_c25f4fb172a385089b2b9c63e0d8338c_cryptolocker
Files
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2024-02-28_c25f4fb172a385089b2b9c63e0d8338c_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