Behavioral task
behavioral1
Sample
cfa1525690759fcbf4c01429dc1e05cc_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
cfa1525690759fcbf4c01429dc1e05cc_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
cfa1525690759fcbf4c01429dc1e05cc_cryptolocker_JC.exe
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Size
80KB
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MD5
cfa1525690759fcbf4c01429dc1e05cc
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SHA1
409882ff9582b7793f64016b7917b85a0a8acce7
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SHA256
31b74bf9a4f401692c7ab1f86e2a55719e388124fcb861e7496faf848456d0ba
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SHA512
8e8a06f1dfd3aecfcd53dc1d222b514c58e0201cdb01a57843f637af40901ffd3547a07b54bc47a7c6bd26ef90133d090a874aba1b29ba977e6b4ba18b396e40
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwapYTjipvF2D:T6a+rdOOtEvwDpjNpYvQd2D
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource cfa1525690759fcbf4c01429dc1e05cc_cryptolocker_JC.exe
Files
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cfa1525690759fcbf4c01429dc1e05cc_cryptolocker_JC.exe.exe windows 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