Behavioral task
behavioral1
Sample
2024-09-06_13fa4343b81a5491946833ea03f4cfb4_cryptolocker.exe
Resource
win7-20240903-en
General
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Target
2024-09-06_13fa4343b81a5491946833ea03f4cfb4_cryptolocker
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Size
70KB
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MD5
13fa4343b81a5491946833ea03f4cfb4
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SHA1
5e4f48b4305e281d38edfdf589a5027bbd9ca2f4
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SHA256
f727e5285e2ad0891e8021d8ff89a11d41d9eaf5c3fe3b7a13ed3424ef2cfd8d
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SHA512
571543a5e0aa5d42e545f03e611eef2e12dc09a2514d10a0d1c994563785e8b116dcdea1a67ec83814ce604b4f5c7d3105d21265ed82a7b5312dff8ce42fc56d
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SSDEEP
1536:quJu9cvMOtEvwDpjWYTjipvF2bx1PQApI0F:78SEOtEvwDpjWYvQd2P1
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-09-06_13fa4343b81a5491946833ea03f4cfb4_cryptolocker unpack001/out.upx
Files
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2024-09-06_13fa4343b81a5491946833ea03f4cfb4_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