Behavioral task
behavioral1
Sample
2024-05-21_b5825d068d37773614cb9be2f98c4bc4_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-21_b5825d068d37773614cb9be2f98c4bc4_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-21_b5825d068d37773614cb9be2f98c4bc4_cryptolocker
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Size
94KB
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MD5
b5825d068d37773614cb9be2f98c4bc4
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SHA1
c2d138355ad4f0932b46a3169983f75979cce8fc
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SHA256
71866b6bcf97562dd6f51605446d130d3ca2b25d3a42dfbbf213bb3566e7aa2d
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SHA512
229f0f77557a43a06b1255ece5f2de5179e8ff91fb21245362a7d103ae539ddd263ef6beabf03ff1fd6c074f3071aea440c497032733c2d2f44fbde497207994
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/k0:zCsanOtEvwDpjBv
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 2024-05-21_b5825d068d37773614cb9be2f98c4bc4_cryptolocker
Files
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2024-05-21_b5825d068d37773614cb9be2f98c4bc4_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