Static task
static1
Behavioral task
behavioral1
Sample
2024-04-04_f8a21a23c0dd25e96d9f86e88f04293d_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-04_f8a21a23c0dd25e96d9f86e88f04293d_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-04_f8a21a23c0dd25e96d9f86e88f04293d_cryptolocker
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Size
74KB
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MD5
f8a21a23c0dd25e96d9f86e88f04293d
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SHA1
c09bddb005dd56b2e57ba91616679928c2449c17
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SHA256
77461cb4bb10ec033703e89053a0567eaa84028950f171b26c024c00e34b7fef
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SHA512
9beadb3ac6dbcc06f8a84b591ee6b23b6714f9d7b068f9dbca0f175fda171d5f7d965fd4d40e908d44297d59ccd25691b83070494155f500d4a398e2e0aeb889
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRXrZSUwN8yH:xj+VGMOtEvwDpjubwQEI8U48yH
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 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-04_f8a21a23c0dd25e96d9f86e88f04293d_cryptolocker
Files
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2024-04-04_f8a21a23c0dd25e96d9f86e88f04293d_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
.MPRESS1 Size: 17KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 16KB
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