Analysis Report RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe

Overview

General Information

Sample Name: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe
Analysis ID: 338980
MD5: 1c51c113cc153b0fc117d86059aef45b
SHA1: 5d75bc8f01d6fa59cff423286e9d85c70ab117e9
SHA256: 358404c3eb767a7f3c698236e15ed705baeef754594bac47bdb8aaf34f26fb19
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:

barindex
Multi AV Scanner detection for submitted file
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Virustotal: Detection: 15% Perma Link

Compliance:

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Uses 32bit PE files
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.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_COs.exe Process Stats: CPU usage > 98%
PE file contains strange resources
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.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_COs.exe, 00000000.00000002.1261466111.0000000002260000.00000002.00000001.sdmp Binary or memory string: OriginalFilenameuser32j% vs RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe, 00000000.00000002.1260475100.0000000000414000.00000002.00020000.sdmp Binary or memory string: OriginalFilenameSkosnuderne1.exe vs RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Binary or memory string: OriginalFilenameSkosnuderne1.exe vs RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe
Uses 32bit PE files
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.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_COs.exe File created: C:\Users\user\AppData\Local\Temp\~DF4DAC590565EC7CD6.TMP Jump to behavior
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.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_COs.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_COs.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_COs.exe Virustotal: Detection: 15%

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_COs.exe PID: 5404, type: MEMORY
Yara detected VB6 Downloader Generic
Source: Yara match File source: Process Memory Space: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe PID: 5404, type: MEMORY
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_004071E9 push esp; iretd 0_2_004071EA
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_00402246 push es; ret 0_2_0040224E
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_00404EAF push ebp; ret 0_2_00404EB0
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02296600 pushad ; ret 0_2_0229663B
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion:

barindex
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02292E31 0_2_02292E31
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02297604 0_2_02297604
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02291E19 0_2_02291E19
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02292E6F 0_2_02292E6F
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02292EBF 0_2_02292EBF
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02291E92 0_2_02291E92
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02292F31 0_2_02292F31
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02291F15 0_2_02291F15
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02292FA6 0_2_02292FA6
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02291FD5 0_2_02291FD5
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02292037 0_2_02292037
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_0229300B 0_2_0229300B
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02293082 0_2_02293082
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02292CF1 0_2_02292CF1
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02291D3A 0_2_02291D3A
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02292D6E 0_2_02292D6E
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02291D53 0_2_02291D53
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02291DAF 0_2_02291DAF
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_022975A7 0_2_022975A7
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_022941BE 0_2_022941BE
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_022975B5 0_2_022975B5
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02292DD1 0_2_02292DD1
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_022939D5 0_2_022939D5
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe RDTSC instruction interceptor: First address: 0000000002296E67 second address: 0000000002296E67 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_COs.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_COs.exe RDTSC instruction interceptor: First address: 0000000002296E67 second address: 0000000002296E67 instructions:
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe RDTSC instruction interceptor: First address: 00000000022939B8 second address: 00000000022939B8 instructions: 0x00000000 rdtsc 0x00000002 xor eax, eax 0x00000004 inc eax 0x00000005 cpuid 0x00000007 popad 0x00000008 call 00007F4E20AB4188h 0x0000000d lfence 0x00000010 mov edx, dword ptr [7FFE0014h] 0x00000016 lfence 0x00000019 ret 0x0000001a sub edx, esi 0x0000001c ret 0x0000001d cmp ecx, edx 0x0000001f pop ecx 0x00000020 cmp edx, 4B27F30Eh 0x00000026 add edi, edx 0x00000028 dec ecx 0x00000029 cmp ecx, 00000000h 0x0000002c jne 00007F4E20AB4125h 0x0000002e test eax, ebx 0x00000030 push ecx 0x00000031 jmp 00007F4E20AB41C4h 0x00000033 call 00007F4E20AB41EFh 0x00000038 call 00007F4E20AB4198h 0x0000003d lfence 0x00000040 mov edx, dword ptr [7FFE0014h] 0x00000046 lfence 0x00000049 ret 0x0000004a mov esi, edx 0x0000004c pushad 0x0000004d 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_COs.exe Code function: 0_2_0229222F rdtsc 0_2_0229222F
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_COs.exe Binary or memory string: C:\Program Files\Qemu-ga\qemu-ga.exe

Anti Debugging:

barindex
Found potential dummy code loops (likely to delay analysis)
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.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_COs.exe Code function: 0_2_0229222F rdtsc 0_2_0229222F
Contains functionality to read the PEB
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02297604 mov eax, dword ptr fs:[00000030h] 0_2_02297604
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_022926AA mov eax, dword ptr fs:[00000030h] 0_2_022926AA
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_022926D9 mov eax, dword ptr fs:[00000030h] 0_2_022926D9
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02293776 mov eax, dword ptr fs:[00000030h] 0_2_02293776
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02296B81 mov eax, dword ptr fs:[00000030h] 0_2_02296B81
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02296B9C mov eax, dword ptr fs:[00000030h] 0_2_02296B9C
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02296B9E mov eax, dword ptr fs:[00000030h] 0_2_02296B9E
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_022923CB mov eax, dword ptr fs:[00000030h] 0_2_022923CB
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_022964BD mov eax, dword ptr fs:[00000030h] 0_2_022964BD
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_022964BF mov eax, dword ptr fs:[00000030h] 0_2_022964BF
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02291D3A mov eax, dword ptr fs:[00000030h] 0_2_02291D3A
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_022975A7 mov eax, dword ptr fs:[00000030h] 0_2_022975A7
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_022975B5 mov eax, dword ptr fs:[00000030h] 0_2_022975B5
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_COs.exe, 00000000.00000002.1261124181.0000000000D80000.00000002.00000001.sdmp Binary or memory string: Shell_TrayWnd
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe, 00000000.00000002.1261124181.0000000000D80000.00000002.00000001.sdmp Binary or memory string: Progman
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe, 00000000.00000002.1261124181.0000000000D80000.00000002.00000001.sdmp Binary or memory string: SProgram Managerl
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe, 00000000.00000002.1261124181.0000000000D80000.00000002.00000001.sdmp Binary or memory string: Shell_TrayWnd,
Source: RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe, 00000000.00000002.1261124181.0000000000D80000.00000002.00000001.sdmp Binary or memory string: Progmanlock

Language, Device and Operating System Detection:

barindex
Contains functionality to query CPU information (cpuid)
Source: C:\Users\user\Desktop\RFQ#89234A_2021_LISTED_ITEMS_DUC_PHUC_IMPORT_EXPORT_COs.exe Code function: 0_2_02296B9C cpuid 0_2_02296B9C
windows-stand
No contacted IP infos