Analysis Report RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe

Overview

General Information

Sample Name: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe
Analysis ID: 339335
MD5: 5a07a1d293ec00ef9f52f9c515c95f57
SHA1: e1712e01b0945a42e7d9b1c9dd2eca5b98c4174d
SHA256: c65e2de75fb34171072925ff6d7c2a9fa79e5d311c4296dacf7a12d524b4167d
Tags: exeGuLoader

Most interesting Screenshot:

Detection

GuLoader
Score: 80
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Multi AV Scanner detection for submitted file
Yara detected GuLoader
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Found potential dummy code loops (likely to delay analysis)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected VB6 Downloader Generic
Abnormal high CPU Usage
Contains functionality for execution timing, often used to detect debuggers
Contains functionality to query CPU information (cpuid)
Contains functionality to read the PEB
PE file contains strange resources
Program does not show much activity (idle)
Sample file is different than original file name gathered from version info
Uses 32bit PE files
Uses code obfuscation techniques (call, push, ret)

Classification

AV Detection:

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Multi AV Scanner detection for submitted file
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Virustotal: Detection: 21% Perma Link
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe ReversingLabs: Detection: 17%

Compliance:

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Uses 32bit PE files
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED

System Summary:

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Abnormal high CPU Usage
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Process Stats: CPU usage > 98%
PE file contains strange resources
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.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: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe, 00000000.00000000.665571809.0000000000414000.00000002.00020000.sdmp Binary or memory string: OriginalFilenameKROKODILLERNES.exe vs RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe, 00000000.00000002.1839903330.00000000021D0000.00000002.00000001.sdmp Binary or memory string: OriginalFilenameuser32j% vs RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Binary or memory string: OriginalFilenameKROKODILLERNES.exe vs RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe
Uses 32bit PE files
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
Source: classification engine Classification label: mal80.troj.evad.winEXE@1/0@0/0
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe File created: C:\Users\user\AppData\Local\Temp\~DFB078FDF516815AF8.TMP Jump to behavior
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Section loaded: C:\Windows\SysWOW64\msvbvm60.dll Jump to behavior
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Virustotal: Detection: 21%
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe ReversingLabs: Detection: 17%

Data Obfuscation:

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Yara detected GuLoader
Source: Yara match File source: Process Memory Space: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe PID: 1664, type: MEMORY
Yara detected VB6 Downloader Generic
Source: Yara match File source: Process Memory Space: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe PID: 1664, type: MEMORY
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Code function: 0_2_004018BA push es; retf 0_2_004018C0
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Code function: 0_2_0040ABB2 push ebp; retf 0_2_0040ABB4
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Code function: 0_2_00406400 push FFFFFFCBh; retf 0_2_004064A7
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Code function: 0_2_0040AC32 push ecx; retf 0_2_0040AC34
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Code function: 0_2_00406D70 push es; retf 0_2_00406D71
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Code function: 0_2_00406E5D push ebx; retf 0_2_00406E61
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Code function: 0_2_0040AFEB push ebp; retf 0_2_0040AFEC
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Code function: 0_2_02217551 push eax; ret 0_2_02217545
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Code function: 0_2_02214F49 push edi; iretd 0_2_02214F4B
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion:

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Contains functionality to detect hardware virtualization (CPUID execution measurement)
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Code function: 0_2_02211B27 0_2_02211B27
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe RDTSC instruction interceptor: First address: 00000000022169AF second address: 00000000022169AF instructions:
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.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\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe RDTSC instruction interceptor: First address: 00000000022169AF second address: 00000000022169AF instructions:
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe RDTSC instruction interceptor: First address: 00000000022137FF second address: 00000000022137FF instructions: 0x00000000 rdtsc 0x00000002 xor eax, eax 0x00000004 inc eax 0x00000005 cpuid 0x00000007 popad 0x00000008 call 00007FBB28C0FCF8h 0x0000000d lfence 0x00000010 mov edx, dword ptr [7FFE0014h] 0x00000016 lfence 0x00000019 ret 0x0000001a sub edx, esi 0x0000001c ret 0x0000001d cmp bl, bl 0x0000001f test ah, bh 0x00000021 pop ecx 0x00000022 jmp 00007FBB28C0FD1Ah 0x00000024 test edi, 6D6DB559h 0x0000002a add edi, edx 0x0000002c cmp dh, bh 0x0000002e dec ecx 0x0000002f cmp ecx, 00000000h 0x00000032 jne 00007FBB28C0FCA7h 0x00000034 test bl, cl 0x00000036 push ecx 0x00000037 cmp bl, dl 0x00000039 test ch, ch 0x0000003b call 00007FBB28C0FD46h 0x00000040 call 00007FBB28C0FD08h 0x00000045 lfence 0x00000048 mov edx, dword ptr [7FFE0014h] 0x0000004e lfence 0x00000051 ret 0x00000052 mov esi, edx 0x00000054 pushad 0x00000055 rdtsc
Contains functionality for execution timing, often used to detect debuggers
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Code function: 0_2_02212201 rdtsc 0_2_02212201
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
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Binary or memory string: C:\Program Files\Qemu-ga\qemu-ga.exe

Anti Debugging:

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Found potential dummy code loops (likely to delay analysis)
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Process Stats: CPU usage > 90% for more than 60s
Contains functionality for execution timing, often used to detect debuggers
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Code function: 0_2_02212201 rdtsc 0_2_02212201
Contains functionality to read the PEB
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Code function: 0_2_022162BF mov eax, dword ptr fs:[00000030h] 0_2_022162BF
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Code function: 0_2_0221730E mov eax, dword ptr fs:[00000030h] 0_2_0221730E
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Code function: 0_2_02217375 mov eax, dword ptr fs:[00000030h] 0_2_02217375
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Code function: 0_2_0221738D mov eax, dword ptr fs:[00000030h] 0_2_0221738D
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Code function: 0_2_022121E1 mov eax, dword ptr fs:[00000030h] 0_2_022121E1
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Code function: 0_2_022121CA mov eax, dword ptr fs:[00000030h] 0_2_022121CA
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Code function: 0_2_022121D9 mov eax, dword ptr fs:[00000030h] 0_2_022121D9
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Code function: 0_2_02213629 mov eax, dword ptr fs:[00000030h] 0_2_02213629
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Code function: 0_2_02213606 mov eax, dword ptr fs:[00000030h] 0_2_02213606
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Code function: 0_2_02211B27 mov eax, dword ptr fs:[00000030h] 0_2_02211B27
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Code function: 0_2_0221699D mov eax, dword ptr fs:[00000030h] 0_2_0221699D
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
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe, 00000000.00000002.1839681100.0000000000D80000.00000002.00000001.sdmp Binary or memory string: Program Manager
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe, 00000000.00000002.1839681100.0000000000D80000.00000002.00000001.sdmp Binary or memory string: Shell_TrayWnd
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe, 00000000.00000002.1839681100.0000000000D80000.00000002.00000001.sdmp Binary or memory string: Progman
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe, 00000000.00000002.1839681100.0000000000D80000.00000002.00000001.sdmp Binary or memory string: Progmanlock

Language, Device and Operating System Detection:

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Contains functionality to query CPU information (cpuid)
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_CO.exe Code function: 0_2_02215371 cpuid 0_2_02215371
windows-stand
No contacted IP infos