Behavioral task
behavioral1
Sample
2024-01-28_a5bfdfd3ed7e2658886ddfa38d94a932_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-28_a5bfdfd3ed7e2658886ddfa38d94a932_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-28_a5bfdfd3ed7e2658886ddfa38d94a932_cryptolocker
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Size
63KB
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MD5
a5bfdfd3ed7e2658886ddfa38d94a932
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SHA1
166c6eb0916903775ed744f975ce72e3e827f585
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SHA256
1fd6c72f013ec7af9b68ed9eecef1f4538b5972e13f4b5e536101c7cfeedc52e
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SHA512
e5a63f23439170961e8e36aff3531a8009ff6f180a123df77661dc03e194f454d4a50eee186860c8227d78c5c53fd8aac320f78955421ba97db46c6a7550b3ad
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjY6Ul:1nK6a+qdOOtEvwDpjQ
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 2024-01-28_a5bfdfd3ed7e2658886ddfa38d94a932_cryptolocker
Files
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2024-01-28_a5bfdfd3ed7e2658886ddfa38d94a932_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE