Behavioral task
behavioral1
Sample
2024-03-19_5d7159b5650aecad12e2f9f3f5c3b3db_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-19_5d7159b5650aecad12e2f9f3f5c3b3db_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-19_5d7159b5650aecad12e2f9f3f5c3b3db_cryptolocker
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Size
63KB
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MD5
5d7159b5650aecad12e2f9f3f5c3b3db
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SHA1
807d414da0775e9fdc8e7637500e3d469f69dfc3
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SHA256
74ff2b7cf5b6654504648ed43b56dc76da46b8b6e57ed2c14eaa9e0bbb7f9610
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SHA512
f78b0990ceee360d0e761410e8478d249d2db42acd0f0714b76767335c2feb63acf47fb616302ff51c6b891afd63b7a87fe438c0a5a33df5d77b74aa3ac2565d
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mnVzCBRuZ:zj+soPSMOtEvwDpj4kpmeLmnZbZ
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 2024-03-19_5d7159b5650aecad12e2f9f3f5c3b3db_cryptolocker
Files
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2024-03-19_5d7159b5650aecad12e2f9f3f5c3b3db_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