Behavioral task
behavioral1
Sample
2024-02-24_fc5a1875b51a3b2acd8360dab2537180_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-24_fc5a1875b51a3b2acd8360dab2537180_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-24_fc5a1875b51a3b2acd8360dab2537180_cryptolocker
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Size
91KB
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MD5
fc5a1875b51a3b2acd8360dab2537180
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SHA1
5048b73db70c5d7e80526b33285feec7d2ed8588
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SHA256
783f0a67e49bc7489adb3b23852c503c8d3d9d1efe1727aa4f084c297fe3fa99
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SHA512
d63160b4206081b487f763c47c44d631cf68272155696cc4515df900e63c7c1af4f3afaec10eeb99782e515b744c05aece2c0ffa72dad57d9f43a66dc0dda4c0
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy87S:zCsanOtEvwDpjS
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 2024-02-24_fc5a1875b51a3b2acd8360dab2537180_cryptolocker
Files
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2024-02-24_fc5a1875b51a3b2acd8360dab2537180_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