Behavioral task
behavioral1
Sample
2024-04-06_ef89b84464e6c1f69311b269ff00bc21_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-06_ef89b84464e6c1f69311b269ff00bc21_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-06_ef89b84464e6c1f69311b269ff00bc21_cryptolocker
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Size
116KB
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MD5
ef89b84464e6c1f69311b269ff00bc21
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SHA1
9207f76f353f2682e6ea0fb60c6d71c7131cc851
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SHA256
c39ded3fc98a5b15bce68e35292bb6b08a7cbdaf3607302cd4608b6c20a607ee
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SHA512
2fcf3724db86b4ab1ffb31e94c1e428cf4f248be1fd524b71e3fb19cf13787de846a3b04cca09e487b3ebcdce7cb6c9f3c9616609965fb0e1154bde0e923fc53
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjCGYQbN/PKwNLX93:T6a+rdOOtEvwDpjLzL
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 2024-04-06_ef89b84464e6c1f69311b269ff00bc21_cryptolocker
Files
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2024-04-06_ef89b84464e6c1f69311b269ff00bc21_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