Behavioral task
behavioral1
Sample
NEAS.2023-09-27_b78e1864f89873df40fa75539bf6bdd5_cryptolocker_JC.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.2023-09-27_b78e1864f89873df40fa75539bf6bdd5_cryptolocker_JC.exe
Resource
win10v2004-20231023-en
General
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Target
NEAS.2023-09-27_b78e1864f89873df40fa75539bf6bdd5_cryptolocker_JC.exe
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Size
32KB
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MD5
b78e1864f89873df40fa75539bf6bdd5
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SHA1
eeead1aabbc4ecfaf2f574cae8566460000691d2
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SHA256
b6133b5ed1e881433d2ae0fc2207382e3e086ef939d97f3434e61793ea050c36
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SHA512
3d06f9c9e9c10aae559853fdc3a6c0780ada4ed45bd5c49fec108d058795c4e230cd455aa9a2af5f95bdfeaf65111676f473c71f69cab266574047d248c04771
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SSDEEP
768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5axw:qUmnpomddpMOtEvwDpjjaYaS
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource NEAS.2023-09-27_b78e1864f89873df40fa75539bf6bdd5_cryptolocker_JC.exe unpack001/out.upx
Files
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NEAS.2023-09-27_b78e1864f89873df40fa75539bf6bdd5_cryptolocker_JC.exe.exe windows:5 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:5 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