Behavioral task
behavioral1
Sample
2024-02-17_a5e86de90c195b2089451c5d56d9146d_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-17_a5e86de90c195b2089451c5d56d9146d_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-17_a5e86de90c195b2089451c5d56d9146d_cryptolocker
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Size
83KB
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MD5
a5e86de90c195b2089451c5d56d9146d
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SHA1
41300c37ac45583edb73ac19901d431c41fa2d0c
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SHA256
f6da1686dce5008f35d07453a6b8939ba78f852811481d30fbc83f44b539ed6b
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SHA512
35b828fbf4fac0b1b5303a4934e3d64831a3850ae2915263253f18c324738e73b3c3555863f27195ab8d233422dca14eaa42b0dd2cb4ebdb8ec91c2037904ab8
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1v:zCsanOtEvwDpj1
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 2024-02-17_a5e86de90c195b2089451c5d56d9146d_cryptolocker
Files
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2024-02-17_a5e86de90c195b2089451c5d56d9146d_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