Static task
static1
Behavioral task
behavioral1
Sample
2024-02-21_cb4b57f78a4b82a30b7bdbd8930608b3_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-02-21_cb4b57f78a4b82a30b7bdbd8930608b3_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-21_cb4b57f78a4b82a30b7bdbd8930608b3_cryptolocker
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Size
56KB
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MD5
cb4b57f78a4b82a30b7bdbd8930608b3
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SHA1
1194056c76658e266b8e7d7e89e8d173c0b281d5
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SHA256
f66655d0e26dabde1a293f8df31eb136147e5bf1f0239b525aa4fc4dc5223e1a
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SHA512
893ad2ea392e9424371a081a871026e07716d8c538560610df4d80f00b2c09cfb962efe8dd7d86d3d8f6c245f84096359ffeec59f00ce28aa0f3a9795a1b44d6
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbP/0Gehj:xj+VGMOtEvwDpjubXde1
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 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-21_cb4b57f78a4b82a30b7bdbd8930608b3_cryptolocker
Files
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2024-02-21_cb4b57f78a4b82a30b7bdbd8930608b3_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
.MPRESS1 Size: 17KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 16KB
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