Static task
static1
Behavioral task
behavioral1
Sample
2024-04-23_f1990ef8ad2877896d7e2f84d4686e4f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-23_f1990ef8ad2877896d7e2f84d4686e4f_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-23_f1990ef8ad2877896d7e2f84d4686e4f_cryptolocker
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Size
50KB
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MD5
f1990ef8ad2877896d7e2f84d4686e4f
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SHA1
bd74af2b108ea6174f88b89465e82872fe28073a
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SHA256
b3a76d81b85da066ccd4bd5d22babfdae4d6e6f513e5758934f7cb3fe64d84d3
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SHA512
c457f1111bc18fde72cd918a895da7115df1b682ff3b9eb6c25dd75b91fb343d4f9855827acfc3c147d040d0846aead0739a44fe6c69b371c15d3d3ed867f102
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SSDEEP
768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPhqlcnvhx5/xFRHnza:6j+1NMOtEvwDpjr8hhX9G
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 2024-04-23_f1990ef8ad2877896d7e2f84d4686e4f_cryptolocker
Files
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2024-04-23_f1990ef8ad2877896d7e2f84d4686e4f_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: 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