Behavioral task
behavioral1
Sample
2024-04-30_98743ae3a1575dcd1f6c74568c25c274_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-30_98743ae3a1575dcd1f6c74568c25c274_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-30_98743ae3a1575dcd1f6c74568c25c274_cryptolocker
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Size
60KB
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MD5
98743ae3a1575dcd1f6c74568c25c274
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SHA1
b3af936889db5609894c9a260255ec1cb146b817
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SHA256
4042d6b5cc089f7b8a59089853e0103f619e89112aba8544ded48be4be00603a
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SHA512
1591069b94e8a1aa5e8e8df5b5507548ce88d6a7dae60d634e1876a7b0128e99817065e14c3840f42597e4671c98ff83f67ee2635e5b7f336349431d33cdae90
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5app1J7z:z6QFElP6n+gKmddpMOtEvwDpj9aYaz7z
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 2024-04-30_98743ae3a1575dcd1f6c74568c25c274_cryptolocker
Files
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2024-04-30_98743ae3a1575dcd1f6c74568c25c274_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