Behavioral task
behavioral1
Sample
2024-02-20_617d2f5e625d3caa70dfe5ef63f7ea3d_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-20_617d2f5e625d3caa70dfe5ef63f7ea3d_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-20_617d2f5e625d3caa70dfe5ef63f7ea3d_cryptolocker
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Size
110KB
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MD5
617d2f5e625d3caa70dfe5ef63f7ea3d
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SHA1
b0e802e942ccb7835686a94dd0ba4277a3ba9e9d
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SHA256
cc99cda9b5a1c143291ce16e51c87e92814841d7d1552a3351e8207c8a59a586
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SHA512
22cbb298f2f1f8f27577057cd532e65ce670e151a60d5c1052af980ea39101e3c50746a38954d925a925f1c5c97cf9a437fed62ce29b90adcc49cd4f712bf4d6
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjCGYQbN/PKwMgX:T6a+rdOOtEvwDpjLzj
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 2024-02-20_617d2f5e625d3caa70dfe5ef63f7ea3d_cryptolocker
Files
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2024-02-20_617d2f5e625d3caa70dfe5ef63f7ea3d_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