Behavioral task
behavioral1
Sample
2024-05-13_cb60cf0a9e7dab91360c6ecd5e0fd13c_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-13_cb60cf0a9e7dab91360c6ecd5e0fd13c_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-13_cb60cf0a9e7dab91360c6ecd5e0fd13c_cryptolocker
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Size
69KB
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MD5
cb60cf0a9e7dab91360c6ecd5e0fd13c
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SHA1
fc86555e4418ece2a2a97c4940fcfaaa1f2b2dfd
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SHA256
8b6c02440f7049e98c1337593756e3ea7ca466bd4d3a53ea2ee1640cb6c896eb
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SHA512
c27f7f037a67e8922eae9dd052fc59ee1c2ceccc0821a92a5dc4404cea2796e79da54ef51cd01f8a474f8f7688435e134556e062cc328827881ffeb0a6bfe78b
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SSDEEP
1536:quJu9cvMOtEvwDpjWYTjipvF2bx1PQApR3:78SEOtEvwDpjWYvQd2PP
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 2024-05-13_cb60cf0a9e7dab91360c6ecd5e0fd13c_cryptolocker unpack001/out.upx
Files
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2024-05-13_cb60cf0a9e7dab91360c6ecd5e0fd13c_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