Behavioral task
behavioral1
Sample
2024-06-20_298a1a15b2eacf2908ede3dd660cd3f6_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-20_298a1a15b2eacf2908ede3dd660cd3f6_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-06-20_298a1a15b2eacf2908ede3dd660cd3f6_cryptolocker
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Size
39KB
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MD5
298a1a15b2eacf2908ede3dd660cd3f6
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SHA1
e1a9b9fd0ad3c3790825383b475db326386c713d
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SHA256
c9a1b90ac7fc632a4f12210ff813778835d72baeeb53a4fcaf9dbf9cf06e54bb
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SHA512
8dc0149c27d8e3f53071eeab6b46d85790f1e3d1c37c7b5f414fa2d7d6bc5fc0d4f35c8f45a8e860ac2297efb4ed1f66fe8346c50cb2b88e7a53ebac39feb2be
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SSDEEP
768:qTVbxjgQNQXtckstOOtEvwDpjAaD3TUogs/VXpAPWRik:qTJu9cvMOtEvwDpjppVXzR9
Malware Config
Signatures
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Detection of CryptoLocker Variants 2 IoCs
resource yara_rule sample CryptoLocker_rule2 static1/unpack001/out.upx CryptoLocker_rule2 -
Detection of Cryptolocker Samples 2 IoCs
resource yara_rule sample CryptoLocker_set1 static1/unpack001/out.upx CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-06-20_298a1a15b2eacf2908ede3dd660cd3f6_cryptolocker unpack001/out.upx
Files
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2024-06-20_298a1a15b2eacf2908ede3dd660cd3f6_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: - Virtual size: 32KB
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: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.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
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ