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online_security_mkl.exe

Generic Malware Malicious Library UPX PE64 PE32 PE File OS Processor Check MZP Format
  1. Resubmit sample
Category Machine Started Completed
FILE s1_win7_x6403_us May 20, 2024, 10:23 a.m. May 20, 2024, 10:27 a.m.
Size 3.5MB
Type PE32 executable (GUI) Intel 80386, for MS Windows
MD5 b80362872ea704846e892f16aab924c3
SHA256 d42c001c3cf58d276a5bf52eb8a56158343676a18952b94d6de8c1e8127bf91e
CRC32 09B5995E
ssdeep 98304:pkLlJELlBol4ULw5Mi4JKgJqqNS0VeVxL5LoUo2qudpor:qleLY+/jgVNKvvoPr
Yara
  • Malicious_Library_Zero - Malicious_Library
  • PE_Header_Zero - PE File Signature
  • IsPE32 - (no description)
  • mzp_file_format - MZP(Delphi) file format
  • UPX_Zero - UPX packed file
  • OS_Processor_Check_Zero - OS Processor Check

Name Response Post-Analysis Lookup
apps.identrust.com
A 61.111.58.35
CNAME a1952.dscq.akamai.net
CNAME identrust.edgesuite.net
A 61.111.58.34
23.50.121.137
adblock2024.shop
A 172.67.176.247
A 104.21.43.83
172.67.176.247
IP Address Status Action
104.21.43.83 Active Moloch
164.124.101.2 Active Moloch
61.111.58.35 Active Moloch

Suricata Alerts

Flow SID Signature Category
TCP 192.168.56.103:49164 -> 104.21.43.83:443 906200054 SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee) undefined

Suricata TLS

Flow Issuer Subject Fingerprint
TLSv1
192.168.56.103:49164
104.21.43.83:443 		C=US, O=Let's Encrypt, CN=E1 CN=adblock2024.shop f6:53:16:b6:98:89:7a:ae:57:00:89:be:e1:b6:81:59:8e:db:ed:ab

Time & API Arguments Status Return Repeated

IsDebuggerPresent

 0 0
section .itext
section .didata
Time & API Arguments Status Return Repeated

__exception__

 stacktrace: 
TMethodImplementationIntercept+0x14209d dbkFCallWrapperAddr-0xdc72b online_security_mkl+0x1f7f15 @ 0x5f7f15
TMethodImplementationIntercept+0x13b21b dbkFCallWrapperAddr-0xe35ad online_security_mkl+0x1f1093 @ 0x5f1093
TMethodImplementationIntercept+0x13c502 dbkFCallWrapperAddr-0xe22c6 online_security_mkl+0x1f237a @ 0x5f237a
TMethodImplementationIntercept+0x140e61 dbkFCallWrapperAddr-0xdd967 online_security_mkl+0x1f6cd9 @ 0x5f6cd9
TMethodImplementationIntercept+0x140ed7 dbkFCallWrapperAddr-0xdd8f1 online_security_mkl+0x1f6d4f @ 0x5f6d4f
TMethodImplementationIntercept+0x135f43 dbkFCallWrapperAddr-0xe8885 online_security_mkl+0x1ebdbb @ 0x5ebdbb
TMethodImplementationIntercept+0x134c8d dbkFCallWrapperAddr-0xe9b3b online_security_mkl+0x1eab05 @ 0x5eab05
TMethodImplementationIntercept+0x1ee923 dbkFCallWrapperAddr-0x2fea5 online_security_mkl+0x2a479b @ 0x6a479b
TMethodImplementationIntercept+0x1eeaa2 dbkFCallWrapperAddr-0x2fd26 online_security_mkl+0x2a491a @ 0x6a491a
TMethodImplementationIntercept+0x1fcbb2 dbkFCallWrapperAddr-0x21c16 online_security_mkl+0x2b2a2a @ 0x6b2a2a
TMethodImplementationIntercept+0x2108fc dbkFCallWrapperAddr-0xdecc online_security_mkl+0x2c6774 @ 0x6c6774
BaseThreadInitThunk+0x12 VerifyConsoleIoHandle-0xb3 kernel32+0x133ca @ 0x757f33ca
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x778d9ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x778d9ea5

exception.instruction_r: c9 c2 10 00 cc cc cc cc cc 8b ff 55 8b ec 56 8b
exception.symbol: RaiseException+0x58 CloseHandle-0x9 kernelbase+0xb727
exception.instruction: leave
exception.module: KERNELBASE.dll
exception.exception_code: 0xeedfade
exception.offset: 46887
exception.address: 0x7559b727
registers.esp: 1636536
registers.edi: 0
registers.eax: 1636536
registers.ebp: 1636616
registers.edx: 0
registers.ebx: 2147614729
registers.esi: 4294967295
registers.ecx: 7
1 0 0

__exception__

 stacktrace: 
TMethodImplementationIntercept+0x13fbef dbkFCallWrapperAddr-0xdebd9 online_security_mkl+0x1f5a67 @ 0x5f5a67
TMethodImplementationIntercept+0x1ed87f dbkFCallWrapperAddr-0x30f49 online_security_mkl+0x2a36f7 @ 0x6a36f7
TMethodImplementationIntercept+0x1ee939 dbkFCallWrapperAddr-0x2fe8f online_security_mkl+0x2a47b1 @ 0x6a47b1
TMethodImplementationIntercept+0x1eeaa2 dbkFCallWrapperAddr-0x2fd26 online_security_mkl+0x2a491a @ 0x6a491a
TMethodImplementationIntercept+0x1fcbb2 dbkFCallWrapperAddr-0x21c16 online_security_mkl+0x2b2a2a @ 0x6b2a2a
TMethodImplementationIntercept+0x2108fc dbkFCallWrapperAddr-0xdecc online_security_mkl+0x2c6774 @ 0x6c6774
BaseThreadInitThunk+0x12 VerifyConsoleIoHandle-0xb3 kernel32+0x133ca @ 0x757f33ca
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x778d9ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x778d9ea5

exception.instruction_r: c9 c2 10 00 cc cc cc cc cc 8b ff 55 8b ec 56 8b
exception.symbol: RaiseException+0x58 CloseHandle-0x9 kernelbase+0xb727
exception.instruction: leave
exception.module: KERNELBASE.dll
exception.exception_code: 0xeedfade
exception.offset: 46887
exception.address: 0x7559b727
registers.esp: 1637552
registers.edi: 0
registers.eax: 1637552
registers.ebp: 1637632
registers.edx: 0
registers.ebx: 34919408
registers.esi: 2
registers.ecx: 7
1 0 0
request GET http://apps.identrust.com/roots/dstrootcax3.p7c
Time & API Arguments Status Return Repeated

NtProtectVirtualMemory

 process_identifier: 1688
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00400000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1688
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 745472
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00401000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1688
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x004c4000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

 process_identifier: 1688
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 143360
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x004c6000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1960
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x022f0000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

 process_identifier: 1236
region_size: 65536
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x00000000065e0000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffffffffffff
1 0 0
file C:\Users\test22\AppData\Local\Temp\is-94LDK.tmp\online_security_mkl.tmp
Bkav W32.Common.FAF1E9CB
APEX Malicious
Trapmine suspicious.low.ml.score
Paloalto generic.ml
Time & API Arguments Status Return Repeated

GetAdaptersAddresses

 flags: 15
family: 0
111 0
file C:\Users\test22\AppData\Local\Temp\is-94LDK.tmp\online_security_mkl.tmp
registry HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\F81F111D0E5AB58D396F7BF525577FD30FDC95AA\Blob