Summary | ZeroBOX

oko.exe

Category Machine Started Completed
FILE s1_win7_x6402 March 23, 2021, 1:17 p.m. March 23, 2021, 1:20 p.m.
Size 639.0KB
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5 c9ad6730dbd47a1900fe05b39dea810f
SHA256 dde9a9c66cdbe712d5a7bcf60946f0dd0ffc9ed7068d5215676fe8065069ddbd
CRC32 C90D12ED
ssdeep 12288:XVRe709evsQhhACx5g6OsJtKHzuCg5BD1baAFqf7HIyN+vK3:XXeUQ/tHOsJtKTYBDNaAglNH
Yara
  • PE_Header_Zero - PE File Signature Zero
  • IsPE32 - (no description)
  • IsNET_EXE - (no description)
  • IsWindowsGUI - (no description)
  • IsPacked - Entropy Check

Name Response Post-Analysis Lookup
No hosts contacted.
IP Address Status Action
172.217.25.14 Active Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Time & API Arguments Status Return Repeated

IsDebuggerPresent

0 0

IsDebuggerPresent

0 0
Time & API Arguments Status Return Repeated

CryptExportKey

buffer: <INVALID POINTER>
crypto_handle: 0x006d9240
flags: 0
crypto_export_handle: 0x00000000
blob_type: 6
1 1 0

CryptExportKey

buffer: <INVALID POINTER>
crypto_handle: 0x006d8d40
flags: 0
crypto_export_handle: 0x00000000
blob_type: 6
1 1 0

CryptExportKey

buffer: <INVALID POINTER>
crypto_handle: 0x006d8d40
flags: 0
crypto_export_handle: 0x00000000
blob_type: 6
1 1 0
Time & API Arguments Status Return Repeated

GlobalMemoryStatusEx

1 1 0
Time & API Arguments Status Return Repeated

bind

ip_address: 127.0.0.1
socket: 616
port: 0
1 0 0

listen

socket: 616
backlog: 2147483647
1 0 0

accept

ip_address: 127.0.0.1
socket: 616
port: 0
4294967295 0
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 983040
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x004c0000
allocation_type: 8192 (MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00570000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 7092
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x6fba1000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 7092
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x6fba2000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 2097152
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x02240000
allocation_type: 8192 (MEM_RESERVE)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x02400000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00392000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x003c5000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x003cb000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x003c7000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x003ac000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00930000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0039a000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x003ba000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x003b7000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x003aa000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x003b6000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 327680
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x7ef50000
allocation_type: 1056768 (MEM_RESERVE|MEM_TOP_DOWN)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x7ef50000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x7ef50000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x7ef58000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 65536
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x7ef40000
allocation_type: 1056768 (MEM_RESERVE|MEM_TOP_DOWN)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x7ef40000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00931000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0039c000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x003bb000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 7092
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x73772000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00932000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x003ad000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 24576
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00933000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00939000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0093a000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0093b000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 7092
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0093c000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 8408
region_size: 3158016
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00cf0000
allocation_type: 12288 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0xffffffff
1 0 0
section {u'size_of_data': u'0x0009e800', u'virtual_address': u'0x00002000', u'entropy': 7.882222707017079, u'name': u'.text', u'virtual_size': u'0x0009e624'} entropy 7.88222270702 description A section with a high entropy has been found
entropy 0.992952231793 description Overall entropy of this PE file is high
Time & API Arguments Status Return Repeated

LookupPrivilegeValueW

system_name:
privilege_name: SeDebugPrivilege
1 1 0
description (no description) rule DebuggerCheck__GlobalFlags
description (no description) rule DebuggerCheck__QueryInfo
description (no description) rule DebuggerHiding__Thread
description (no description) rule DebuggerHiding__Active
description (no description) rule ThreadControl__Context
description (no description) rule SEH__vectored
description Bypass DEP rule disable_dep
host 172.217.25.14
Time & API Arguments Status Return Repeated

NtAllocateVirtualMemory

process_identifier: 8408
region_size: 188416
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00400000
allocation_type: 12288 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0x000002ac
1 0 0
description oko.exe tried to sleep 2728262 seconds, actually delayed analysis time by 2728262 seconds
Time & API Arguments Status Return Repeated

WriteProcessMemory

buffer: MZERèXƒè ‹ÈƒÀ<‹ÁƒÀ(ÿáÀº´ Í!¸LÍ!This program cannot be run in DOS mode. $«üêïf¹ïf¹ïf¹ô͹©f¹ôø¹ìf¹ôû¹îf¹Richïf¹PELCNþIà  Ä@ëà@à@.text¤ÃÄ `
base_address: 0x00400000
process_identifier: 8408
process_handle: 0x000002ac
1 1 0

WriteProcessMemory

buffer: @
base_address: 0x7efde008
process_identifier: 8408
process_handle: 0x000002ac
1 1 0
Time & API Arguments Status Return Repeated

WriteProcessMemory

buffer: MZERèXƒè ‹ÈƒÀ<‹ÁƒÀ(ÿáÀº´ Í!¸LÍ!This program cannot be run in DOS mode. $«üêïf¹ïf¹ïf¹ô͹©f¹ôø¹ìf¹ôû¹îf¹Richïf¹PELCNþIà  Ä@ëà@à@.text¤ÃÄ `
base_address: 0x00400000
process_identifier: 8408
process_handle: 0x000002ac
1 1 0
Process injection Process 7092 called NtSetContextThread to modify thread in remote process 8408
Time & API Arguments Status Return Repeated

NtSetContextThread

registers.eip: 0
registers.esp: 0
registers.edi: 0
registers.eax: 4320064
registers.ebp: 0
registers.edx: 0
registers.ebx: 2130567168
registers.esi: 0
registers.ecx: 0
thread_handle: 0x000002a8
process_identifier: 8408
1 0 0
Process injection Process 7092 resumed a thread in remote process 8408
Time & API Arguments Status Return Repeated

NtResumeThread

thread_handle: 0x000002a8
suspend_count: 1
process_identifier: 8408
1 0 0
Elastic malicious (high confidence)
FireEye Generic.mg.c9ad6730dbd47a19
McAfee RDN/GenericU
Cylance Unsafe
Alibaba Trojan:Win32/Kryptik.ali2000016
Cybereason malicious.1583b0
BitDefenderTheta Gen:NN.ZemsilF.34628.Nm0@auMnN0f
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Kryptik.AACZ
APEX Malicious
Avast FileRepMalware
Paloalto generic.ml
McAfee-GW-Edition BehavesLike.Win32.Trojan.jc
Sophos ML/PE-A
Gridinsoft Malware.Win32.Wacapew.oa
Microsoft Trojan:Win32/Wacatac.B!ml
GData Win32.Trojan-Stealer.FormBook.MITYM1
Cynet Malicious (score: 100)
Malwarebytes MachineLearning/Anomalous.97%
Ikarus Win32.Outbreak
eGambit Unsafe.AI_Score_97%
AVG FileRepMalware
CrowdStrike win/malicious_confidence_80% (W)
Time & API Arguments Status Return Repeated

NtResumeThread

thread_handle: 0x000000dc
suspend_count: 1
process_identifier: 7092
1 0 0

NtResumeThread

thread_handle: 0x00000150
suspend_count: 1
process_identifier: 7092
1 0 0

NtResumeThread

thread_handle: 0x00000198
suspend_count: 1
process_identifier: 7092
1 0 0

NtResumeThread

thread_handle: 0x00000284
suspend_count: 1
process_identifier: 7092
1 0 0

CreateProcessInternalW

thread_identifier: 4964
thread_handle: 0x000002a8
process_identifier: 8408
current_directory:
filepath: C:\Users\test22\AppData\Local\Temp\oko.exe
track: 1
command_line:
filepath_r: C:\Users\test22\AppData\Local\Temp\oko.exe
stack_pivoted: 0
creation_flags: 134217732 (CREATE_NO_WINDOW|CREATE_SUSPENDED)
inherit_handles: 0
process_handle: 0x000002ac
1 1 0

NtGetContextThread

thread_handle: 0x000002a8
1 0 0

NtAllocateVirtualMemory

process_identifier: 8408
region_size: 188416
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00400000
allocation_type: 12288 (MEM_COMMIT|MEM_RESERVE)
process_handle: 0x000002ac
1 0 0

WriteProcessMemory

buffer: MZERèXƒè ‹ÈƒÀ<‹ÁƒÀ(ÿáÀº´ Í!¸LÍ!This program cannot be run in DOS mode. $«üêïf¹ïf¹ïf¹ô͹©f¹ôø¹ìf¹ôû¹îf¹Richïf¹PELCNþIà  Ä@ëà@à@.text¤ÃÄ `
base_address: 0x00400000
process_identifier: 8408
process_handle: 0x000002ac
1 1 0

WriteProcessMemory

buffer:
base_address: 0x00401000
process_identifier: 8408
process_handle: 0x000002ac
1 1 0

WriteProcessMemory

buffer: @
base_address: 0x7efde008
process_identifier: 8408
process_handle: 0x000002ac
1 1 0

NtSetContextThread

registers.eip: 0
registers.esp: 0
registers.edi: 0
registers.eax: 4320064
registers.ebp: 0
registers.edx: 0
registers.ebx: 2130567168
registers.esi: 0
registers.ecx: 0
thread_handle: 0x000002a8
process_identifier: 8408
1 0 0

NtResumeThread

thread_handle: 0x000002a8
suspend_count: 1
process_identifier: 8408
1 0 0