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)
    • Application was dropped or rewritten from another process

      • RMPREPUSB.exe (PID: 3904)
    • Detects Cygwin installation

      • Install_RMPrepUSB_Full_v2.1.746.exe (PID: 3260)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • Install_RMPrepUSB_Full_v2.1.746.exe (PID: 3260)
  • INFO

    • 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)
    • Reads the computer name

      • Install_RMPrepUSB_Full_v2.1.746.exe (PID: 3260)
    • Checks supported languages

      • Install_RMPrepUSB_Full_v2.1.746.exe (PID: 3260)
      • RMPREPUSB.exe (PID: 3904)
    • 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)
    • Creates files in the program directory

      • Install_RMPrepUSB_Full_v2.1.746.exe (PID: 3260)
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.exeexplorer.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.exeInstall_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:\Program Files\RMPrepUSB\readme.txttext
MD5:E628EFBCA1277C343D59616527BEAC50
SHA256:6634A778C568872C8C5A8D1D04D94F6CA6174FF43203A43A9A38458010A0E6CA
3260Install_RMPrepUSB_Full_v2.1.746.exeC:\Program Files\RMPrepUSB\syslinux.exeexecutable
MD5:F40226F3949AB55D846E6201AE7D4BE0
SHA256:2A7C0C9468534F1A75AA729203D654C4C57CCCC0263D3BA71384B4ADC56BD980
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\grubinst.exeexecutable
MD5:D47C997592734C9534C79B19ED8415AB
SHA256:415EE1CA56711D3B0F477E3E1F5E7D3D6249D54B6DB378D28AFB9591082FB685
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\rmprepusbxp.cmdtext
MD5:05709055EC5F6377EF14BB8DBE9D9A1F
SHA256:F8C109DE50B209170ECD5CE77AC9572A03266E3FB51C7764D8A5EC27B5E678D1
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\rmprepusbxp_German.cmdtext
MD5:D2BAADD05853D5B24BB521D856A7AD89
SHA256:CD35D0CD70305D46D9EF8A7389A30ABCFD393A43C70BBAB888F2BB80A776BB56
3260Install_RMPrepUSB_Full_v2.1.746.exeC:\Program Files\RMPrepUSB\touchdrv.exeexecutable
MD5:A434D25922BFCCE7D0AD14D578434980
SHA256:4DB5FEB77095C59B3933737F148E4DEDD7AAE482839A4D693F0B945503714357
3260Install_RMPrepUSB_Full_v2.1.746.exeC:\Program Files\RMPrepUSB\GPL.txttext
MD5:EBF48CADD237B0D517BE5865ED9E5282
SHA256:1385D5E581E5716B79651F3CA4838DEAE50E00CA6178DBDCB87BD4825E57FACB
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
4
System
192.168.100.255:137
whitelisted
4
System
192.168.100.255:138
whitelisted
239.255.255.250:1900
whitelisted
1076
svchost.exe
224.0.0.252:5355
unknown

DNS requests

No data

Threats

No threats detected
No debug info