Behavioral task
behavioral1
Sample
okok.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
okok.exe
Resource
win10v2004-20231215-en
General
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Target
okok.exe
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Size
26KB
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MD5
d959bc39535bc9c1b1db5aa0620c7599
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SHA1
a0660ad32f6fb0da9c20385346f7fde6ff248e67
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SHA256
ea9f0465261e074940e21d4bc508def6bf1b4ed0b73ff0b730a26c0af6447e57
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SHA512
df1e1950aef829705365710801c9b279107ea68bb891b4bc135de94a4de1cf2bef24b17b72710faf82532f5a7c09b8083ad8f1c68b47ee0e3f286d0414dae2ef
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SSDEEP
384:ZwYenjLLAGQrPOBSO2ABmT8XOVp91o5pQIb5uxDGM:hTrusIc9e5+IbgxDH
Malware Config
Signatures
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Chaos Ransomware 1 IoCs
resource yara_rule sample family_chaos -
Chaos family
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Detects command variations typically used by ransomware 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_GENRansomware -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource okok.exe
Files
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okok.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 23KB - Virtual size: 23KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ