Behavioral task
behavioral1
Sample
2024-03-14_fbb0599435f91fbb71f9f6ffa9e8b185_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-03-14_fbb0599435f91fbb71f9f6ffa9e8b185_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-03-14_fbb0599435f91fbb71f9f6ffa9e8b185_cryptolocker
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Size
121KB
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MD5
fbb0599435f91fbb71f9f6ffa9e8b185
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SHA1
fea04c159ab06f019595b6e429e4a21335ce9f17
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SHA256
4dcaded451d0923cd4e269cb5d71edd9e377058f0ed7b74c1668bd631625dbb5
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SHA512
1f0226408efbc9e228b5df10d5a77c1eb58632722514e5d4b471cbc68c392322c71313c147dcf3e45b32f9193bc415665eab8352d51c8a4a9bf8c5a339993f5c
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgpwqWsviy9t3x:z6a+CdOOtEvwDpjczM
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 2024-03-14_fbb0599435f91fbb71f9f6ffa9e8b185_cryptolocker
Files
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2024-03-14_fbb0599435f91fbb71f9f6ffa9e8b185_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_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