Behavioral task
behavioral1
Sample
7a3df4f5f4dd8ddc0175e17a55a5a4c0_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
7a3df4f5f4dd8ddc0175e17a55a5a4c0_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
7a3df4f5f4dd8ddc0175e17a55a5a4c0_cryptolocker_JC.exe
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Size
39KB
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MD5
7a3df4f5f4dd8ddc0175e17a55a5a4c0
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SHA1
b5a349f5792926efbe386f07e912997c33d50357
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SHA256
3f3af1b20ba7082c50c7b46bb164045635f36fd9a7ff3d59036cda99cf888c53
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SHA512
4943c02a3e99592cb3081b10f9e781e1a14bdefdf02222fee8aeeef08217bd8ab16c3da9bceeb67c2af00483f7cdf77641604e029e81d1c4e2ad03653b783a11
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SSDEEP
768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5aFr7YOzzOQjCJ:qUmnpomddpMOtEvwDpjjaYaFAew
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 7a3df4f5f4dd8ddc0175e17a55a5a4c0_cryptolocker_JC.exe unpack001/out.upx
Files
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7a3df4f5f4dd8ddc0175e17a55a5a4c0_cryptolocker_JC.exe.exe windows 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: 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
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out.upx.exe windows 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
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ