File name:

Install_RMPrepUSB_Full_v2.1.746.exe

Full analysis: https://app.any.run/tasks/b7995f6b-8e20-4e0e-8846-2545c0b79542
Verdict: Malicious activity
Analysis date: June 21, 2023, 08:26:49
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
installer
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
MD5:

ECC4AC0DE4BA3E1DA417671717062BCA

SHA1:

6D9A42C5A190582BF3AC61C7B33F3EAFB953B03C

SHA256:

5A94297D0DCA8F767865F0D374E4E81FD357F58B5932FE666EED614BCC6026CB

SSDEEP:

196608:VrmIUZbYLGWWERnC3xy6LrSfWIbW7AvSDrR+EmggEo39MdSa+PKXlu:Vr5URZ3xy6Xabjy00gIdSa1u

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

      • Install_RMPrepUSB_Full_v2.1.746.exe (PID: 3260)

    • Detects Cygwin installation

      • Install_RMPrepUSB_Full_v2.1.746.exe (PID: 3260)

    • Application was dropped or rewritten from another process

      • RMPREPUSB.exe (PID: 3904)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • Install_RMPrepUSB_Full_v2.1.746.exe (PID: 3260)

  • INFO

    • Checks supported languages

      • Install_RMPrepUSB_Full_v2.1.746.exe (PID: 3260)
      • RMPREPUSB.exe (PID: 3904)

    • Reads the computer name

      • Install_RMPrepUSB_Full_v2.1.746.exe (PID: 3260)

    • The process checks LSA protection

      • Install_RMPrepUSB_Full_v2.1.746.exe (PID: 3260)
      • RMPREPUSB.exe (PID: 3904)

    • Create files in a temporary directory

      • Install_RMPrepUSB_Full_v2.1.746.exe (PID: 3260)
      • RMPREPUSB.exe (PID: 3904)

    • Creates files in the program directory

      • Install_RMPrepUSB_Full_v2.1.746.exe (PID: 3260)

    • Creates files or folders in the user directory

      • Install_RMPrepUSB_Full_v2.1.746.exe (PID: 3260)

    • Reads the machine GUID from the registry

      • RMPREPUSB.exe (PID: 3904)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | NSIS - Nullsoft Scriptable Install System (94.8)
.exe | Win32 Executable MS Visual C++ (generic) (3.4)
.dll | Win32 Dynamic Link Library (generic) (0.7)
.exe | Win32 Executable (generic) (0.5)
.exe | Generic Win/DOS Executable (0.2)

EXIF

EXE

Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: 6
OSVersion: 4
EntryPoint: 0x323c
UninitializedDataSize: 1024
InitializedDataSize: 119808
CodeSize: 23552
LinkerVersion: 6
PEType: PE32
ImageFileCharacteristics: No relocs, Executable, No line numbers, No symbols, 32-bit
TimeStamp: 2009:12:05 22:50:46+00:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 05-Dec-2009 22:50:46
Detected languages:
  • English - United States

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0090
Pages in file: 0x0003
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x0000
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x0000
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x000000D8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 05-Dec-2009 22:50:46
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
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
0x00001000
0x00005A5A
0x00005C00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.4177
.rdata
0x00007000
0x00001190
0x00001200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.18163
.data
0x00009000
0x0001AF98
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.70903
.ndata
0x00024000
0x00008000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.rsrc
0x0002C000
0x00001E78
0x00002000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.78713

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.19512
727
UNKNOWN
English - United States
RT_MANIFEST
103
2.16096
20
UNKNOWN
English - United States
RT_GROUP_ICON
104
2.6935
316
UNKNOWN
English - United States
RT_DIALOG
105
2.66174
256
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
110
3.22336
872
UNKNOWN
English - United States
RT_BITMAP
111
2.48825
96
UNKNOWN
English - United States
RT_DIALOG
203
2.54013
304
UNKNOWN
English - United States
RT_DIALOG
204
2.65501
296
UNKNOWN
English - United States
RT_DIALOG

Imports

ADVAPI32.dll
COMCTL32.dll
GDI32.dll
KERNEL32.dll
SHELL32.dll
USER32.dll
VERSION.dll
ole32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
42
Monitored processes
3
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start install_rmprepusb_full_v2.1.746.exe rmprepusb.exe no specs install_rmprepusb_full_v2.1.746.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1616"C:\Users\admin\AppData\Local\Temp\Install_RMPrepUSB_Full_v2.1.746.exe" C:\Users\admin\AppData\Local\Temp\Install_RMPrepUSB_Full_v2.1.746.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\appdata\local\temp\install_rmprepusb_full_v2.1.746.exe
c:\windows\system32\ntdll.dll
3260"C:\Users\admin\AppData\Local\Temp\Install_RMPrepUSB_Full_v2.1.746.exe" C:\Users\admin\AppData\Local\Temp\Install_RMPrepUSB_Full_v2.1.746.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\install_rmprepusb_full_v2.1.746.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\lpk.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\usp10.dll
c:\windows\system32\user32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\shell32.dll
3904"C:\Program Files\RMPrepUSB\RMPrepUSB.exe"C:\Program Files\RMPrepUSB\RMPREPUSB.exe—Install_RMPrepUSB_Full_v2.1.746.exe
User:
admin
Company:
RM Education plc
Integrity Level:
HIGH
Description:
RMPrepUSB
Exit code:
0
Version:
2.01.0746
Modules
Images
c:\program files\rmprepusb\rmprepusb.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvbvm60.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
Total events
747
Read events
747
Write events
0
Delete events
0

Modification events

No data
Executable files
44
Suspicious files
61
Text files
89
Unknown types
0

Dropped files

PID
Process
Filename
Type
3260Install_RMPrepUSB_Full_v2.1.746.exeC:\Users\admin\AppData\Local\Temp\nsx6EF5.tmp\LangDLL.dllexecutable
MD5:9384F4007C492D4FA040924F31C00166
SHA256:60A964095AF1BE79F6A99B22212FEFE2D16F5A0AFD7E707D14394E4143E3F4F5
3260Install_RMPrepUSB_Full_v2.1.746.exeC:\Program Files\RMPrepUSB\grldrbinary
MD5:D583D32E66A3EA0D40FDFBF0F2D1BD4C
SHA256:DFACFAFE40527904C09FCCAAEDB20A5639A1AD050619DA57DE2D50CC55BF9AAC
3260Install_RMPrepUSB_Full_v2.1.746.exeC:\Program Files\RMPrepUSB\RMPREPUSB.exeexecutable
MD5:75A2C7F145B5B87E4B1A5F4BBD2A9ED5
SHA256:94DD8737C5E94F687BD0BB9645EC0CD7E3D494E9DF51CBA3B118306C220145DC
3260Install_RMPrepUSB_Full_v2.1.746.exeC:\Program Files\RMPrepUSB\RMBootSect.exeexecutable
MD5:D5206E0CA006EE2E7CB542D41D0502E2
SHA256:708E9B8B3EDD42476DB688D4015645C0B962B7869544CF8F8674200A0D680809
3260Install_RMPrepUSB_Full_v2.1.746.exeC:\Program Files\RMPrepUSB\grubinst.exeexecutable
MD5:D47C997592734C9534C79B19ED8415AB
SHA256:415EE1CA56711D3B0F477E3E1F5E7D3D6249D54B6DB378D28AFB9591082FB685
3260Install_RMPrepUSB_Full_v2.1.746.exeC:\Program Files\RMPrepUSB\readme.txttext
MD5:E628EFBCA1277C343D59616527BEAC50
SHA256:6634A778C568872C8C5A8D1D04D94F6CA6174FF43203A43A9A38458010A0E6CA
3260Install_RMPrepUSB_Full_v2.1.746.exeC:\Program Files\RMPrepUSB\RMPARTUSB.exe.manifestxml
MD5:905729481037D2A6C2DA34DF570D381B
SHA256:2A63525AE4D86AD8BB0CDD2C389FE725E1EEDDD2EA63AD9B18C90F9EA29DB735
3260Install_RMPrepUSB_Full_v2.1.746.exeC:\Program Files\RMPrepUSB\RMPartUSB.txttext
MD5:75D04FDA9B47063E8FDC1D0167A38ADB
SHA256:CCFA5FB98FC0EFEAAF0ABA2E650BE279C413786595B67BE894A7A6B8CA6AC5D2
3260Install_RMPrepUSB_Full_v2.1.746.exeC:\Program Files\RMPrepUSB\RMPREPUSB.exe.manifestxml
MD5:AF06EB778202A5A8FF25091CA480F160
SHA256:3B6489B8CEEE80767CEAB11C4FAAD38CCFF6B7D2400C8DB093E0558FE5E56ADC
3260Install_RMPrepUSB_Full_v2.1.746.exeC:\Program Files\RMPrepUSB\RMPARTUSB.exeexecutable
MD5:AA2572E7B0B3F6FF62CA7CD2A52E44C5
SHA256:EDDAC27BD219AAB077E86F61D0FD93318F10D889460BC1201097843C0CFB8C07
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
4
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

PID
Process
IP
Domain
ASN
CN
Reputation
1076
svchost.exe
224.0.0.252:5355
—
—
—
unknown
4
System
192.168.100.255:137
—
—
—
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
—
—
239.255.255.250:1900
—
—
—
whitelisted

DNS requests

No data

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
Install_RMPrepUSB_Full_v2.1.746.exe