Behavioral task
behavioral1
Sample
2024-04-22_f5e26808c56cf7116b8ee0f52a8d37fb_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-22_f5e26808c56cf7116b8ee0f52a8d37fb_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-22_f5e26808c56cf7116b8ee0f52a8d37fb_cryptolocker
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Size
50KB
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MD5
f5e26808c56cf7116b8ee0f52a8d37fb
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SHA1
b1e800840ae5a78cc0f63d5f01737e50c4b966b1
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SHA256
2744d0b3019fcc4883e03147d63fea8c80060a71d91b9df5552721ebb0be2630
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SHA512
7b9932e15f975fd4e16c9f0e9f66a9dfad1cd2c86a4dd7cf263d46716c42d89bf9b5e74459498cd66b1aae71157b9247d30df81c5911cf8701f06ae96ec8046d
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtbZ:bODOw9acifAoc+vl
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 2024-04-22_f5e26808c56cf7116b8ee0f52a8d37fb_cryptolocker
Files
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2024-04-22_f5e26808c56cf7116b8ee0f52a8d37fb_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