Behavioral task
behavioral1
Sample
2024-05-21_fd6bb1037470f0097dae7a6bf1dddde4_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-21_fd6bb1037470f0097dae7a6bf1dddde4_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-21_fd6bb1037470f0097dae7a6bf1dddde4_cryptolocker
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Size
52KB
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MD5
fd6bb1037470f0097dae7a6bf1dddde4
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SHA1
c28f09c20640e181ec203a9512a292b1d8cee03d
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SHA256
37def1eabafdb700db3d1c7fda454a6f8eee58b4a18126c4e5665077d9bcc053
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SHA512
0091ad4fd63c655ff7bdd90433870d9a97cc32ca891cff29831ddee7a8b6f8ff6569d4765d3cf98970c254b2e6d8f7dbc8016d9eebc4793c607fa474faf9893e
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOU:bODOw9acifAoc+vf
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-05-21_fd6bb1037470f0097dae7a6bf1dddde4_cryptolocker
Files
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2024-05-21_fd6bb1037470f0097dae7a6bf1dddde4_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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