Analysis Report TNTNumber1062324.PDF.exe

ID:	358491
Product:	CloudBasic
Start time:	17:45:48
Start date:	25.02.2021
Sample:	TNTNumber1062324.PDF.exe
Cookbook:	default.jbs
System description:	Windows 10 64 bit v1803 with Office Professional Plus 2016, Chrome 85, IE 11, Adobe Reader DC 19, Java 8 Update 211
Architecture:	WINDOWS
MD5:	90524c4f4816eb22693e92212b8cab6c
SHA1:	b10d499c6aedcc0c0a3cf728a609466824a73d19
SHA256:	adea37317bf08b2dbb86164c609b0ee2eec3ccd6ef0e82c1c46d8447623e5899
Filetype:	Win32 Executable (generic) a (10002005/4) 99.15%

Name	Type	MD5	SHA1	SHA256

AV Detection:

Multi AV Scanner detection for submitted file

Source: TNTNumber1062324.PDF.exe	Virustotal: Detection: 42%			Perma Link
Source: TNTNumber1062324.PDF.exe	ReversingLabs: Detection: 31%

Compliance:

Uses 32bit PE files

Source: TNTNumber1062324.PDF.exe

Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED

System Summary:

Initial sample is a PE file and has a suspicious name

Source: initial sample

Static PE information: Filename: TNTNumber1062324.PDF.exe

Abnormal high CPU Usage

Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe

Process Stats: CPU usage > 98%

PE file contains strange resources

Source: TNTNumber1062324.PDF.exe	Static PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Source: TNTNumber1062324.PDF.exe	Static PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Source: TNTNumber1062324.PDF.exe	Static PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST

Sample file is different than original file name gathered from version info

Source: TNTNumber1062324.PDF.exe, 00000000.00000000.635376844.0000000000418000.00000002.00020000.sdmp	Binary or memory string: OriginalFilenameSEMICHORIC.exe vs TNTNumber1062324.PDF.exe
Source: TNTNumber1062324.PDF.exe, 00000010.00000000.974522307.0000000000418000.00000002.00020000.sdmp	Binary or memory string: OriginalFilenameSEMICHORIC.exe vs TNTNumber1062324.PDF.exe
Source: TNTNumber1062324.PDF.exe	Binary or memory string: OriginalFilenameSEMICHORIC.exe vs TNTNumber1062324.PDF.exe

Uses 32bit PE files

Source: TNTNumber1062324.PDF.exe

Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED

Classification label

Source: classification engine

Classification label: mal100.troj.evad.winEXE@3/0@0/0

Creates temporary files

Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe

File created: C:\Users\user\AppData\Local\Temp\~DF66CD68291135151C.TMP

Jump to behavior

PE file has an executable .text section and no other executable section

Source: TNTNumber1062324.PDF.exe

Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ

Parts of this applications are using VB runtime library 6.0 (Probably coded in Visual Basic)

Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe

Section loaded: C:\Windows\SysWOW64\msvbvm60.dll

Jump to behavior

Reads software policies

Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe

Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers

Jump to behavior

Sample is known by Antivirus

Source: TNTNumber1062324.PDF.exe	Virustotal: Detection: 42%
Source: TNTNumber1062324.PDF.exe	ReversingLabs: Detection: 31%

Spawns processes

Source: unknown	Process created: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe 'C:\Users\user\Desktop\TNTNumber1062324.PDF.exe'
Source: unknown	Process created: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe 'C:\Users\user\Desktop\TNTNumber1062324.PDF.exe'
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Process created: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe 'C:\Users\user\Desktop\TNTNumber1062324.PDF.exe'			Jump to behavior

Data Obfuscation:

Yara detected GuLoader

Source: Yara match

File source: Process Memory Space: TNTNumber1062324.PDF.exe PID: 6072, type: MEMORY

Yara detected VB6 Downloader Generic

Source: Yara match

File source: Process Memory Space: TNTNumber1062324.PDF.exe PID: 6072, type: MEMORY

Uses code obfuscation techniques (call, push, ret)

Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe

Code function: 16_2_005639B6 push esp; retf

16_2_005639BD

Hooking and other Techniques for Hiding and Protection:

Uses an obfuscated file name to hide its real file extension (double extension)

Source: Possible double extension: pdf.exe

Static PE information: TNTNumber1062324.PDF.exe

Disables application error messsages (SetErrorMode)

Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior

Malware Analysis System Evasion:

Contains functionality to detect hardware virtualization (CPUID execution measurement)

Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_00566967		16_2_00566967
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_0056693A		16_2_0056693A
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_005669DA		16_2_005669DA
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_005669FA		16_2_005669FA
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_0056699E		16_2_0056699E
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_00566A55		16_2_00566A55
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_00566A2E		16_2_00566A2E
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_00566AD5		16_2_00566AD5
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_00566AEB		16_2_00566AEB
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_00566A97		16_2_00566A97
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_00566A82		16_2_00566A82
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_00566ABD		16_2_00566ABD
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_00566B57		16_2_00566B57
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_00566B12		16_2_00566B12
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_00566B2A		16_2_00566B2A
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_005613D6		16_2_005613D6

Detected RDTSC dummy instruction sequence (likely for instruction hammering)

Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe

RDTSC instruction interceptor: First address: 000000000050671A second address: 000000000050671A instructions: 0x00000000 rdtsc 0x00000002 xor eax, eax 0x00000004 inc eax 0x00000005 cpuid 0x00000007 popad 0x00000008 call 00007F0CB43B82D8h 0x0000000d lfence 0x00000010 mov edx, dword ptr [7FFE0014h] 0x00000016 lfence 0x00000019 ret 0x0000001a sub edx, esi 0x0000001c ret 0x0000001d add edi, edx 0x0000001f dec dword ptr [ebp+000000F8h] 0x00000025 cmp dword ptr [ebp+000000F8h], 00000000h 0x0000002c jne 00007F0CB43B82A7h 0x0000002e jmp 00007F0CB43B82E2h 0x00000030 test bh, FFFFFFFDh 0x00000033 call 00007F0CB43B8304h 0x00000038 call 00007F0CB43B82E8h 0x0000003d lfence 0x00000040 mov edx, dword ptr [7FFE0014h] 0x00000046 lfence 0x00000049 ret 0x0000004a mov esi, edx 0x0000004c pushad 0x0000004d rdtsc

Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe

RDTSC instruction interceptor: First address: 0000000000504040 second address: 0000000000504040 instructions:

Tries to detect Any.run

Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	File opened: C:\Program Files\Qemu-ga\qemu-ga.exe			Jump to behavior
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	File opened: C:\Program Files\qga\qga.exe			Jump to behavior

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Source: TNTNumber1062324.PDF.exe

Binary or memory string: C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXE

Tries to detect virtualization through RDTSC time measurements

Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	RDTSC instruction interceptor: First address: 0000000000506B17 second address: 0000000000506A69 instructions: 0x00000000 rdtsc 0x00000002 lfence 0x00000005 shl edx, 20h 0x00000008 or edx, eax 0x0000000a popad 0x0000000b cmp dword ptr [edi+14h], 10h 0x0000000f je 00007F0CB4C91679h 0x00000011 jmp 00007F0CB4C91642h 0x00000013 cmp cx, ax 0x00000016 cmp dword ptr [edi+14h], 20h 0x0000001a je 00007F0CB4C9165Eh 0x0000001c cmp dword ptr [edi+14h], 40h 0x00000020 je 00007F0CB4C91658h 0x00000022 cmp dword ptr [edi+14h], 02h 0x00000026 je 00007F0CB4C91652h 0x00000028 cmp dword ptr [edi+14h], 04h 0x0000002c je 00007F0CB4C9164Ch 0x0000002e jmp 00007F0CB4C91642h 0x00000030 cmp dx, dx 0x00000033 jmp 00007F0CB4C914D1h 0x00000038 jmp 00007F0CB4C91642h 0x0000003a nop 0x0000003b jmp 00007F0CB4C91642h 0x0000003d test ah, dh 0x0000003f jmp 00007F0CB4C91642h 0x00000041 pushad 0x00000042 mov eax, 00000055h 0x00000047 cpuid 0x00000049 popad 0x0000004a add esi, 00001000h 0x00000050 jmp 00007F0CB4C91642h 0x00000052 pushad 0x00000053 lfence 0x00000056 rdtsc
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	RDTSC instruction interceptor: First address: 000000000050671A second address: 000000000050671A instructions: 0x00000000 rdtsc 0x00000002 xor eax, eax 0x00000004 inc eax 0x00000005 cpuid 0x00000007 popad 0x00000008 call 00007F0CB43B82D8h 0x0000000d lfence 0x00000010 mov edx, dword ptr [7FFE0014h] 0x00000016 lfence 0x00000019 ret 0x0000001a sub edx, esi 0x0000001c ret 0x0000001d add edi, edx 0x0000001f dec dword ptr [ebp+000000F8h] 0x00000025 cmp dword ptr [ebp+000000F8h], 00000000h 0x0000002c jne 00007F0CB43B82A7h 0x0000002e jmp 00007F0CB43B82E2h 0x00000030 test bh, FFFFFFFDh 0x00000033 call 00007F0CB43B8304h 0x00000038 call 00007F0CB43B82E8h 0x0000003d lfence 0x00000040 mov edx, dword ptr [7FFE0014h] 0x00000046 lfence 0x00000049 ret 0x0000004a mov esi, edx 0x0000004c pushad 0x0000004d rdtsc
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	RDTSC instruction interceptor: First address: 000000000050673A second address: 000000000050673A instructions: 0x00000000 rdtsc 0x00000002 lfence 0x00000005 shl edx, 20h 0x00000008 or edx, eax 0x0000000a ret 0x0000000b mov esi, edx 0x0000000d pushad 0x0000000e xor eax, eax 0x00000010 inc eax 0x00000011 cpuid 0x00000013 bt ecx, 1Fh 0x00000017 jc 00007F0CB4C91C4Ah 0x0000001d popad 0x0000001e call 00007F0CB4C9170Bh 0x00000023 lfence 0x00000026 rdtsc
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	RDTSC instruction interceptor: First address: 0000000000503FCF second address: 0000000000504040 instructions: 0x00000000 rdtsc 0x00000002 lfence 0x00000005 shl edx, 20h 0x00000008 or edx, eax 0x0000000a popad 0x0000000b jmp 00007F0CB43B90DAh 0x00000010 call 00007F0CB43B74E3h 0x00000015 pop dword ptr [ebp+000000B8h] 0x0000001b jmp 00007F0CB43B82E2h 0x0000001d test cx, bx 0x00000020 jmp 00007F0CB43B82E2h 0x00000022 test bh, bh 0x00000024 push dword ptr fs:[000000C0h] 0x0000002b jmp 00007F0CB43B82E2h 0x0000002d pushad 0x0000002e rdtsc
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	RDTSC instruction interceptor: First address: 0000000000504040 second address: 0000000000504040 instructions:
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	RDTSC instruction interceptor: First address: 0000000000566B17 second address: 0000000000566A69 instructions: 0x00000000 rdtsc 0x00000002 lfence 0x00000005 shl edx, 20h 0x00000008 or edx, eax 0x0000000a popad 0x0000000b cmp dword ptr [edi+14h], 10h 0x0000000f je 00007F0CB43B8319h 0x00000011 jmp 00007F0CB43B82E2h 0x00000013 cmp cx, ax 0x00000016 cmp dword ptr [edi+14h], 20h 0x0000001a je 00007F0CB43B82FEh 0x0000001c cmp dword ptr [edi+14h], 40h 0x00000020 je 00007F0CB43B82F8h 0x00000022 cmp dword ptr [edi+14h], 02h 0x00000026 je 00007F0CB43B82F2h 0x00000028 cmp dword ptr [edi+14h], 04h 0x0000002c je 00007F0CB43B82ECh 0x0000002e jmp 00007F0CB43B82E2h 0x00000030 cmp dx, dx 0x00000033 jmp 00007F0CB43B8171h 0x00000038 jmp 00007F0CB43B82E2h 0x0000003a nop 0x0000003b jmp 00007F0CB43B82E2h 0x0000003d test ah, dh 0x0000003f jmp 00007F0CB43B82E2h 0x00000041 pushad 0x00000042 mov eax, 00000055h 0x00000047 cpuid 0x00000049 popad 0x0000004a add esi, 00001000h 0x00000050 jmp 00007F0CB43B82E2h 0x00000052 pushad 0x00000053 lfence 0x00000056 rdtsc

Contains functionality for execution timing, often used to detect debuggers

Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe

Code function: 16_2_00560C52 rdtsc

16_2_00560C52

Program does not show much activity (idle)

Source: all processes

Thread injection, dropped files, key value created, disk infection and DNS query: no activity detected

May try to detect the virtual machine to hinder analysis (VM artifact strings found in memory)

Source: TNTNumber1062324.PDF.exe

Binary or memory string: C:\Program Files\Qemu-ga\qemu-ga.exe

Anti Debugging:

Found potential dummy code loops (likely to delay analysis)

Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe

Process Stats: CPU usage > 90% for more than 60s

Hides threads from debuggers

Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe

Thread information set: HideFromDebugger

Jump to behavior

Checks if the current process is being debugged

Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe

Process queried: DebugPort

Jump to behavior

Contains functionality for execution timing, often used to detect debuggers

Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe

Code function: 16_2_00560C52 rdtsc

16_2_00560C52

Contains functionality to read the PEB

Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_00563447 mov eax, dword ptr fs:[00000030h]		16_2_00563447
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_00563445 mov eax, dword ptr fs:[00000030h]		16_2_00563445
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_00562555 mov eax, dword ptr fs:[00000030h]		16_2_00562555
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_00561D16 mov eax, dword ptr fs:[00000030h]		16_2_00561D16
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_0056250E mov eax, dword ptr fs:[00000030h]		16_2_0056250E
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_00562522 mov eax, dword ptr fs:[00000030h]		16_2_00562522
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_00566F5D mov eax, dword ptr fs:[00000030h]		16_2_00566F5D
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_00566F79 mov eax, dword ptr fs:[00000030h]		16_2_00566F79
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_0056631E mov eax, dword ptr fs:[00000030h]		16_2_0056631E
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_00566F1F mov eax, dword ptr fs:[00000030h]		16_2_00566F1F
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_00566F0E mov eax, dword ptr fs:[00000030h]		16_2_00566F0E
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_00565B34 mov eax, dword ptr fs:[00000030h]		16_2_00565B34
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_00566F39 mov eax, dword ptr fs:[00000030h]		16_2_00566F39
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_00566321 mov eax, dword ptr fs:[00000030h]		16_2_00566321
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_00566FCA mov eax, dword ptr fs:[00000030h]		16_2_00566FCA
Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe	Code function: 16_2_00566FAF mov eax, dword ptr fs:[00000030h]		16_2_00566FAF

Program does not show much activity (idle)

Source: all processes

Thread injection, dropped files, key value created, disk infection and DNS query: no activity detected

HIPS / PFW / Operating System Protection Evasion:

Creates a process in suspended mode (likely to inject code)

Source: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe

Process created: C:\Users\user\Desktop\TNTNumber1062324.PDF.exe 'C:\Users\user\Desktop\TNTNumber1062324.PDF.exe'

Jump to behavior

May try to detect the Windows Explorer process (often used for injection)

Source: TNTNumber1062324.PDF.exe, 00000010.00000002.1161753697.0000000000FB0000.00000002.00000001.sdmp	Binary or memory string: Program Manager
Source: TNTNumber1062324.PDF.exe, 00000010.00000002.1161753697.0000000000FB0000.00000002.00000001.sdmp	Binary or memory string: Shell_TrayWnd
Source: TNTNumber1062324.PDF.exe, 00000010.00000002.1161753697.0000000000FB0000.00000002.00000001.sdmp	Binary or memory string: Progman
Source: TNTNumber1062324.PDF.exe, 00000010.00000002.1161753697.0000000000FB0000.00000002.00000001.sdmp	Binary or memory string: Progmanlock