File name:

PO.exe

Full analysis: https://app.any.run/tasks/29494308-6f1f-49e9-b525-450a2644bb37
Verdict: Malicious activity
Threats:

GuLoader is an advanced downloader written in shellcode. It’s used by criminals to distribute other malware, notably trojans, on a large scale. It’s infamous for using anti-detection and anti-analysis capabilities.

Analysis date: December 05, 2022, 17:49:13
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
guloader
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
MD5:

20417F142281716421843648D1103BA6

SHA1:

2F5F6221EFBBB1936A5DE6F31AF8B283811FCA30

SHA256:

1081715A99EAFD929AF7F2C08C1D17B90C2C81DFD08230F613E168A49DB37698

SSDEEP:

6144:TY2OsbpMOEkszHHXNDIdeQW4nlwctXLbhU:IzXN03jX3hU

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.
  • MALICIOUS

    • Loads dropped or rewritten executable

      • PO.exe (PID: 3164)
    • Drops the executable file immediately after the start

      • PO.exe (PID: 3164)
    • GULOADER detected by memory dumps

      • PO.exe (PID: 3164)
  • SUSPICIOUS

    • Searches for installed software

      • PO.exe (PID: 3164)
    • Creates a software uninstall entry

      • PO.exe (PID: 3164)
    • Executable content was dropped or overwritten

      • PO.exe (PID: 3164)
  • INFO

    • Reads the computer name

      • PO.exe (PID: 3164)
    • Checks supported languages

      • PO.exe (PID: 3164)
    • Creates a file in a temporary directory

      • PO.exe (PID: 3164)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable MS Visual C++ (generic) (67.4)
.dll | Win32 Dynamic Link Library (generic) (14.2)
.exe | Win32 Executable (generic) (9.7)
.exe | Generic Win/DOS Executable (4.3)
.exe | DOS Executable Generic (4.3)

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 2016-Apr-03 20:18:47
Detected languages:
  • English - United States
Comments: oghamist Lrredernes Cementgulv
CompanyName: Grundegenskabs antick
FileDescription: Warman
OriginalFilename: Instigates Sortkunsts.exe

DOS Header

e_magic: MZ
e_cblp: 144
e_cp: 3
e_crlc: 0
e_cparhdr: 4
e_minalloc: 0
e_maxalloc: 65535
e_ss: 0
e_sp: 184
e_csum: 0
e_ip: 0
e_cs: 0
e_ovno: 0
e_oemid: 0
e_oeminfo: 0
e_lfanew: 216

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
NumberofSections: 5
TimeDateStamp: 2016-Apr-03 20:18:47
PointerToSymbolTable: 0
NumberOfSymbols: 0
SizeOfOptionalHeader: 224
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
4096
23643
24064
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.41149
.rdata
28672
4678
5120
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.00503
.data
36864
108536
1024
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
5.1084
.ndata
147456
126976
0
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
.rsrc
274432
90048
90112
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.37574

Resources

Title
Entropy
Size
Codepage
Language
Type
1
4.18004
67624
UNKNOWN
English - United States
RT_ICON
2
4.50784
9640
UNKNOWN
English - United States
RT_ICON
3
4.46634
4264
UNKNOWN
English - United States
RT_ICON
4
4.43754
2440
UNKNOWN
English - United States
RT_ICON
5
4.07637
1128
UNKNOWN
English - United States
RT_ICON
103
2.61782
324
UNKNOWN
English - United States
RT_DIALOG
104
2.6935
316
UNKNOWN
English - United States
RT_DIALOG
105
2.65819
288
UNKNOWN
English - United States
RT_DIALOG
106
2.88094
284
UNKNOWN
English - United States
RT_DIALOG
107
2.62276
196
UNKNOWN
English - United States
RT_DIALOG

Imports

ADVAPI32.dll
COMCTL32.dll
GDI32.dll
KERNEL32.dll
SHELL32.dll
USER32.dll
ole32.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
32
Monitored processes
1
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #GULOADER po.exe

Process information

PID
CMD
Path
Indicators
Parent process
3164"C:\Users\admin\AppData\Local\Temp\PO.exe" C:\Users\admin\AppData\Local\Temp\PO.exe
Explorer.EXE
User:
admin
Company:
Grundegenskabs antick
Integrity Level:
MEDIUM
Description:
Warman
Modules
Images
c:\users\admin\appdata\local\temp\po.exe
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\ntdll.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shlwapi.dll
Total events
731
Read events
726
Write events
5
Delete events
0

Modification events

(PID) Process:(3164) PO.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\One
Operation:writeName:Guli
Value:
145
(PID) Process:(3164) PO.exeKey:HKEY_CURRENT_USER\Software\Enegang\Rouleredes\Udlaanings
Operation:writeName:Abdiceringens116
Value:
FFE64A77
Executable files
1
Suspicious files
1
Text files
2
Unknown types
1

Dropped files

PID
Process
Filename
Type
3164PO.exeC:\Users\admin\AppData\Local\Temp\TOBEN.lnklnk
MD5:4D09B07134595FB16F429BC0B0022260
SHA256:6AE5EDB701376D3EDA811D30CF91A3177DF7E1DAD4665DA6632A528B8E7552A0
3164PO.exeC:\Users\admin\AppData\Local\Mtningspunkt\Liddi\Scripula62\battery-low-symbolic.symbolic.pngimage
MD5:4E3FAC85D22F5D2C40F679CCDF2AE570
SHA256:DC4FCE5176F97745929335757724D8F03D2D297F2A599DE633D5807C7A56668B
3164PO.exeC:\Users\admin\AppData\Local\Mtningspunkt\Liddi\Stadsstuerne\weather-severe-alert-symbolic.svgimage
MD5:DF0A28BCF48D0D15CA617FA4969F2DA5
SHA256:79AC7294E587565B09D8E0EB48803D508CF9A6B78F6B9977D4382782C156B482
3164PO.exeC:\Users\admin\AppData\Local\Mtningspunkt\Liddi\Capilliculture\Dracaenas\applause.Alsbinary
MD5:F0497939C254EBB74D4F8B8B1B55CF7B
SHA256:986F5CB2A3F1787E3FC01E30343E22E5A1430347F7DD7AC3FD24B5D2092A4292
3164PO.exeC:\Users\admin\AppData\Local\Temp\nseE84F.tmp\System.dllexecutable
MD5:B8992E497D57001DDF100F9C397FCEF5
SHA256:98BCD1DD88642F4DD36A300C76EBB1DDFBBBC5BFC7E3B6D7435DC6D6E030C13B
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

No data

DNS requests

No data

Threats

No threats detected
No debug info