Behavioral task
behavioral1
Sample
2024-01-27_f3499afa2affe35163a6039feda26f64_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-27_f3499afa2affe35163a6039feda26f64_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-27_f3499afa2affe35163a6039feda26f64_cryptolocker
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Size
55KB
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MD5
f3499afa2affe35163a6039feda26f64
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SHA1
3bb876a7c31fa0fa0c9cfc354bc83d7e1a9805c1
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SHA256
6e06b23b59b0ac4068dba087c184bf2f54f21431cb6278fec77ed5540d80a844
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SHA512
145525918dda7737657a464b3cced7242e1baa1b1f1cbeaee562e855eface79ca78d93a193d83e4a33044b2cb5719f12487d5c3a08eb6a1953454427794c9453
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFeV0ZOfcpyD:zj+soPSMOtEvwDpj4yq
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 2024-01-27_f3499afa2affe35163a6039feda26f64_cryptolocker
Files
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2024-01-27_f3499afa2affe35163a6039feda26f64_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