Behavioral task
behavioral1
Sample
2024-02-28_39f9e3f602391a5456a712a1c4f41ea8_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_39f9e3f602391a5456a712a1c4f41ea8_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_39f9e3f602391a5456a712a1c4f41ea8_cryptolocker
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Size
81KB
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MD5
39f9e3f602391a5456a712a1c4f41ea8
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SHA1
aa84dd75729003b932a1c86161d2c3e963cf3caf
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SHA256
386d79385a20fe961268ddcca6498fdf4e5807cced5c135f24a6e600b164870c
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SHA512
78cca84e70efe671c6d1543c8c1b773a133a09b7c942e201c9176a6507f367558cc004bdef754c950f3ada64f1f77d6b561b03e6d9276af046af67f4b91737e2
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdeK:T6a+rdOOtEvwDpjNtj
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 2024-02-28_39f9e3f602391a5456a712a1c4f41ea8_cryptolocker
Files
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2024-02-28_39f9e3f602391a5456a712a1c4f41ea8_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_CODE
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