Behavioral task
behavioral1
Sample
2024-04-26_873a8263702e3e4b5a89fea27352ba41_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-26_873a8263702e3e4b5a89fea27352ba41_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-26_873a8263702e3e4b5a89fea27352ba41_cryptolocker
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Size
96KB
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MD5
873a8263702e3e4b5a89fea27352ba41
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SHA1
362b52d79e266f99024b6806965cbf301fd4c8c2
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SHA256
d2fad71e47554e50bc5893320bdb8554874ff27b2495c6bacef561eb8bf79212
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SHA512
4590e54d9d56bba5b0f6513939822f78d01ed7a9c21406312ada5aecb519eaf65573a9479275939a5813a4b8ccea34cd83eecc988df21de8a39b33e5c0105d8a
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/b1:zCsanOtEvwDpjBB
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 2024-04-26_873a8263702e3e4b5a89fea27352ba41_cryptolocker
Files
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2024-04-26_873a8263702e3e4b5a89fea27352ba41_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