Behavioral task
behavioral1
Sample
2024-05-20_fe74dff3405ca2dce208c179f8ae746e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-20_fe74dff3405ca2dce208c179f8ae746e_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-20_fe74dff3405ca2dce208c179f8ae746e_cryptolocker
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Size
52KB
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MD5
fe74dff3405ca2dce208c179f8ae746e
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SHA1
b1b2651b708abbada6f2857ee519ad41ee359d4e
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SHA256
9f2c4d54df7acd0bbc081aae16d3655f496085c1fb55c84dc0832654687cccd5
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SHA512
5570334c7eb5668a1c57a689de29c4eedab748e50975b8fe4259ffbe06d05579237a8ee3c7fac394fd3602d8c5670bea62849b13fed4803e0c6573864420ac9e
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOXz:bODOw9acifAoc+vA
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-05-20_fe74dff3405ca2dce208c179f8ae746e_cryptolocker
Files
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2024-05-20_fe74dff3405ca2dce208c179f8ae746e_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: 16KB - Virtual size: 28KB
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: 8KB - 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