File name:

ReminderiYr.rar

Full analysis: https://app.any.run/tasks/d3965794-4f6e-44d7-a1d8-c49ea4b976e2
Verdict: Malicious activity
Analysis date: February 18, 2025, 01:53:07
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
arch-exec
Indicators:
MIME: application/x-rar
File info: RAR archive data, v5
MD5:

F26365C2C39F9454AF76FCC0213DB4A5

SHA1:

299F77FDAF75ECEA8D3E6E0319698263F59FABDA

SHA256:

182401044588465938A7F979791849B22E6F0006D77767F935A620A937BE3D4B

SSDEEP:

12288:wlS+eQkbrWvyurl3UamRi1eqPNpDSfqjFM13K7irGntUtM9AukxmpDxaJU4:wlS+eQkbrwyurZ1mRi1eeN5SyjFM13Kk

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

    • Generic archive extractor

      • WinRAR.exe (PID: 1540)
    • Executing a file with an untrusted certificate

      • Reminder.exe (PID: 6852)
      • Reminder.exe (PID: 7056)
    • Changes the autorun value in the registry

      • Reminder.exe (PID: 6852)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • Reminder.exe (PID: 6852)
    • Starts itself from another location

      • Reminder.exe (PID: 6852)
    • Likely accesses (executes) a file from the Public directory

      • Reminder.exe (PID: 7056)
  • INFO

    • The sample compiled with english language support

      • WinRAR.exe (PID: 1540)
      • Reminder.exe (PID: 6852)
    • Manual execution by a user

      • Reminder.exe (PID: 6852)
      • firefox.exe (PID: 3840)
      • regedit.exe (PID: 4536)
      • regedit.exe (PID: 4972)
    • Checks supported languages

      • Reminder.exe (PID: 6852)
      • Reminder.exe (PID: 7056)
    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 1540)
    • Application launched itself

      • firefox.exe (PID: 3840)
      • firefox.exe (PID: 3436)
    • Reads the computer name

      • Reminder.exe (PID: 7056)
    • Checks proxy server information

      • Reminder.exe (PID: 7056)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.rar | RAR compressed archive (v5.0) (61.5)
.rar | RAR compressed archive (gen) (38.4)

EXIF

ZIP

FileVersion: RAR v5
CompressedSize: 1234
UncompressedSize: 3072
OperatingSystem: Win32
ArchivedFileName: ReminderiYr/MUITransfer/MUITransfer.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
146
Monitored processes
17
Malicious processes
1
Suspicious processes
1

Behavior graph

Click at the process to see the details
start winrar.exe rundll32.exe no specs reminder.exe reminder.exe firefox.exe no specs firefox.exe firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs firefox.exe no specs regedit.exe no specs regedit.exe

Process information

PID
CMD
Path
Indicators
Parent process
1540"C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\AppData\Local\Temp\ReminderiYr.rarC:\Program Files\WinRAR\WinRAR.exe
explorer.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
Version:
5.91.0
Modules
Images
c:\program files\winrar\winrar.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
2160"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=2152 -parentBuildID 20240213221259 -prefsHandle 2144 -prefMapHandle 2140 -prefsLen 31031 -prefMapSize 244583 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {77e4749d-7029-490c-8a95-89ff09e5f42d} 3436 "\\.\pipe\gecko-crash-server-pipe.3436" 2cae8882110 socketC:\Program Files\Mozilla Firefox\firefox.exefirefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
123.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\msvcp140.dll
c:\windows\system32\vcruntime140.dll
c:\windows\system32\vcruntime140_1.dll
c:\windows\system32\crypt32.dll
2572"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5048 -childID 3 -isForBrowser -prefsHandle 5040 -prefMapHandle 5036 -prefsLen 31243 -prefMapSize 244583 -jsInitHandle 1520 -jsInitLen 235124 -parentBuildID 20240213221259 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {5e879708-e525-4330-ba46-43c44c9e2d57} 3436 "\\.\pipe\gecko-crash-server-pipe.3436" 2cafe458850 tabC:\Program Files\Mozilla Firefox\firefox.exefirefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
123.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\vcruntime140.dll
c:\windows\system32\vcruntime140_1.dll
2744"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5164 -childID 4 -isForBrowser -prefsHandle 5072 -prefMapHandle 5048 -prefsLen 31243 -prefMapSize 244583 -jsInitHandle 1520 -jsInitLen 235124 -parentBuildID 20240213221259 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {226c69da-32ea-476a-9d85-b74c8e3cfd71} 3436 "\\.\pipe\gecko-crash-server-pipe.3436" 2cafe458a10 tabC:\Program Files\Mozilla Firefox\firefox.exefirefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
123.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\msvcp140.dll
c:\windows\system32\vcruntime140_1.dll
3436"C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe
firefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
123.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\msvcp140.dll
c:\windows\system32\vcruntime140.dll
3832"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=4896 -parentBuildID 20240213221259 -sandboxingKind 0 -prefsHandle 4888 -prefMapHandle 4880 -prefsLen 36588 -prefMapSize 244583 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {4467697d-8e63-49f3-ba83-b533fb9f16ca} 3436 "\\.\pipe\gecko-crash-server-pipe.3436" 2cafdff9910 utilityC:\Program Files\Mozilla Firefox\firefox.exefirefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
1
Version:
123.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\vcruntime140.dll
c:\windows\system32\msvcp140.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\vcruntime140_1.dll
c:\windows\system32\crypt32.dll
3840"C:\Program Files\Mozilla Firefox\firefox.exe" C:\Program Files\Mozilla Firefox\firefox.exeexplorer.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
123.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\program files\mozilla firefox\vcruntime140.dll
c:\program files\mozilla firefox\vcruntime140_1.dll
c:\program files\mozilla firefox\msvcp140.dll
c:\windows\system32\crypt32.dll
4052"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=1912 -parentBuildID 20240213221259 -prefsHandle 1840 -prefMapHandle 1832 -prefsLen 31031 -prefMapSize 244583 -appDir "C:\Program Files\Mozilla Firefox\browser" - {4e697b76-601f-4fd0-99b9-c8e0a0b14104} 3436 "\\.\pipe\gecko-crash-server-pipe.3436" 2caf57eb410 gpuC:\Program Files\Mozilla Firefox\firefox.exefirefox.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
1
Version:
123.0
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ucrtbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\msvcp140.dll
c:\windows\system32\vcruntime140.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\vcruntime140_1.dll
4536"C:\WINDOWS\regedit.exe" C:\Windows\regedit.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Registry Editor
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\regedit.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\gdi32.dll
4972"C:\WINDOWS\regedit.exe" C:\Windows\regedit.exeexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Registry Editor
Exit code:
3221226540
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\regedit.exe
c:\windows\system32\ntdll.dll
Total events
13 865
Read events
13 841
Write events
24
Delete events
0

Modification events

(PID) Process:(1540) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:3
Value:
C:\Users\admin\Desktop\preferences.zip
(PID) Process:(1540) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:2
Value:
C:\Users\admin\Desktop\chromium_ext.zip
(PID) Process:(1540) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:1
Value:
C:\Users\admin\Desktop\omni_23_10_2024_.zip
(PID) Process:(1540) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\AppData\Local\Temp\ReminderiYr.rar
(PID) Process:(1540) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(1540) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(1540) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
(PID) Process:(1540) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:mtime
Value:
100
(PID) Process:(1540) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface\MainWin
Operation:writeName:Placement
Value:
2C0000000000000001000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF3D0000002D000000FD03000016020000
(PID) Process:(1540) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\General\Toolbar\Layout
Operation:writeName:Band76_0
Value:
4C000000730100000402000000000000F0F0F0000000000000000000000000000000000000000000B402050000000000000000003B000000B402000000000000000000000000000001000000
Executable files
4
Suspicious files
173
Text files
14
Unknown types
2

Dropped files

PID
Process
Filename
Type
3436firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\9kie7cg6.default-release\startupCache\scriptCache-current.bin
MD5:
SHA256:
1540WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa1540.40825\ReminderiYr\Reminder.exeexecutable
MD5:00709FBE66779C91CD008EE2ACD93B4D
SHA256:323E65027845BDA9953E48981BC8BF41133A8ACA6C8EFC94154992745EF0A6B1
1540WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa1540.40825\ReminderiYr\MUITransfer\MUITransfer.dllexecutable
MD5:61610F697E6A50A2A671068C13F08DF0
SHA256:BA60B7090E7BFDE7A45094B0581EB194459ABF14FD6AA7E54822827D78E9DC67
3436firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\cookies.sqlite-shmbinary
MD5:B7C14EC6110FA820CA6B65F5AEC85911
SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB
3436firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\sessionCheckpoints.json.tmpbinary
MD5:EA8B62857DFDBD3D0BE7D7E4A954EC9A
SHA256:792955295AE9C382986222C6731C5870BD0E921E7F7E34CC4615F5CD67F225DA
3436firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\sessionCheckpoints.jsonbinary
MD5:EA8B62857DFDBD3D0BE7D7E4A954EC9A
SHA256:792955295AE9C382986222C6731C5870BD0E921E7F7E34CC4615F5CD67F225DA
6852Reminder.exeC:\Users\Public\Reminder\ReminderiYr\MUITransfer\MUITransfer.dllexecutable
MD5:61610F697E6A50A2A671068C13F08DF0
SHA256:BA60B7090E7BFDE7A45094B0581EB194459ABF14FD6AA7E54822827D78E9DC67
6852Reminder.exeC:\Users\Public\Reminder\ReminderiYr\MUITransfer\ucrdinfo.datbinary
MD5:099421F88A1C939073BFF87208428473
SHA256:806947EC75F0AA2BC6F983845AC361A1E123C8FF61C24548246D5615CBA88462
3436firefox.exeC:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\9kie7cg6.default-release\startupCache\urlCache-current.binbinary
MD5:297E88D7CEB26E549254EC875649F4EB
SHA256:8B75D4FB1845BAA06122888D11F6B65E6A36B140C54A72CC13DF390FD7C95702
3436firefox.exeC:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
26
TCP/UDP connections
105
DNS requests
105
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3884
svchost.exe
GET
200
2.19.11.120:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
6056
backgroundTaskHost.exe
GET
200
2.17.190.73:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D
unknown
whitelisted
6920
SIHClient.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
whitelisted
6920
SIHClient.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
whitelisted
3436
firefox.exe
GET
200
34.107.221.82:80
http://detectportal.firefox.com/canonical.html
unknown
whitelisted
3436
firefox.exe
GET
200
34.107.221.82:80
http://detectportal.firefox.com/success.txt?ipv4
unknown
whitelisted
3436
firefox.exe
POST
200
142.250.186.131:80
http://o.pki.goog/s/wr3/jLM
unknown
whitelisted
3436
firefox.exe
POST
200
95.101.54.131:80
http://r10.o.lencr.org/
unknown
whitelisted
3436
firefox.exe
POST
200
95.101.54.131:80
http://r10.o.lencr.org/
unknown
whitelisted
3436
firefox.exe
POST
200
95.101.54.131:80
http://r10.o.lencr.org/
unknown
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:137
whitelisted
4712
MoUsoCoreWorker.exe
2.19.11.120:80
crl.microsoft.com
Elisa Oyj
NL
whitelisted
3884
svchost.exe
2.19.11.120:80
crl.microsoft.com
Elisa Oyj
NL
whitelisted
4712
MoUsoCoreWorker.exe
95.101.149.131:80
www.microsoft.com
Akamai International B.V.
NL
whitelisted
3884
svchost.exe
95.101.149.131:80
www.microsoft.com
Akamai International B.V.
NL
whitelisted
4
System
192.168.100.255:138
whitelisted
5064
SearchApp.exe
23.15.178.147:443
www.bing.com
Akamai International B.V.
DE
whitelisted
1076
svchost.exe
2.18.97.227:443
go.microsoft.com
Akamai International B.V.
FR
whitelisted
1176
svchost.exe
20.190.160.64:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 40.127.240.158
whitelisted
crl.microsoft.com
  • 2.19.11.120
  • 2.19.11.105
whitelisted
www.microsoft.com
  • 95.101.149.131
  • 184.30.21.171
whitelisted
google.com
  • 172.217.18.14
whitelisted
www.bing.com
  • 23.15.178.147
  • 23.15.178.226
  • 184.86.251.27
  • 184.86.251.22
whitelisted
go.microsoft.com
  • 2.18.97.227
whitelisted
login.live.com
  • 20.190.160.64
  • 20.190.160.3
  • 20.190.160.67
  • 20.190.160.2
  • 20.190.160.4
  • 20.190.160.20
  • 40.126.32.138
  • 40.126.32.140
whitelisted
ocsp.digicert.com
  • 184.30.131.245
  • 2.17.190.73
whitelisted
arc.msn.com
  • 20.223.35.26
whitelisted
fd.api.iris.microsoft.com
  • 20.223.36.55
whitelisted

Threats

No threats detected
No debug info