File name:

Krampus.zip

Full analysis: https://app.any.run/tasks/9709115e-9256-4d85-bbe3-5f5ff94f1051
Verdict: Malicious activity
Analysis date: July 21, 2024, 14:13:17
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
evasion
pastebin
Indicators:
MIME: application/zip
File info: Zip archive data, at least v2.0 to extract, compression method=deflate
MD5:

772066657856854D0A971DD2BB712EF8

SHA1:

06AEE58AE65189ACC923CB75324F9A1A6D970E4F

SHA256:

47E9B7E8DAE0E4BAEC0AAB32A3DBF59972BC3DD4549BD38CD951F49EDF7C9302

SSDEEP:

24576:5pHAFQ9J8PpCYFMiM577Dbof12BvI4JKf6n6xKBvOde4ys:5pHAFEJQCYFMiM5vDbof12BvI4JKfo61

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

    • Drops the executable file immediately after the start

      • WinRAR.exe (PID: 6424)

  • SUSPICIOUS

    • Reads security settings of Internet Explorer

      • compiler.exe (PID: 2252)

    • Checks for external IP

      • compiler.exe (PID: 2252)

    • Checks Windows Trust Settings

      • compiler.exe (PID: 2252)

  • INFO

    • Checks proxy server information

      • slui.exe (PID: 4368)
      • compiler.exe (PID: 2252)

    • Manual execution by a user

      • WinRAR.exe (PID: 8132)
      • compiler.exe (PID: 6292)
      • cmd.exe (PID: 6440)
      • cmd.exe (PID: 6908)

    • Drops the executable file immediately after the start

      • WinRAR.exe (PID: 8132)

    • Checks supported languages

      • compiler.exe (PID: 6292)
      • compiler.exe (PID: 2252)

    • Executable content was dropped or overwritten

      • WinRAR.exe (PID: 8132)

    • Reads the software policy settings

      • slui.exe (PID: 4368)
      • compiler.exe (PID: 2252)

    • Reads the computer name

      • compiler.exe (PID: 2252)

    • Creates files or folders in the user directory

      • compiler.exe (PID: 2252)

    • Reads the machine GUID from the registry

      • compiler.exe (PID: 2252)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.zip | ZIP compressed archive (100)

EXIF

ZIP

ZipRequiredVersion: 20
ZipBitFlag: -
ZipCompression: Deflated
ZipModifyDate: 2024:07:04 07:51:46
ZipCRC: 0x6cf33b69
ZipCompressedSize: 99038
ZipUncompressedSize: 208384
ZipFileName: compiler.exe
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
162
Monitored processes
12
Malicious processes
0
Suspicious processes
1

Behavior graph

Click at the process to see the details
start winrar.exe no specs slui.exe winrar.exe rundll32.exe no specs compiler.exe cmd.exe conhost.exe no specs cmd.exe no specs conhost.exe no specs compiler.exe ucpdmgr.exe no specs conhost.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2252compiler.exe configC:\Users\admin\Desktop\Krampus\compiler.exe
cmd.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\desktop\krampus\compiler.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\users\admin\desktop\krampus\lua51.dll
c:\windows\syswow64\ucrtbase.dll
2276\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—UCPDMgr.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Console Window Host
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
4368C:\WINDOWS\System32\slui.exe -EmbeddingC:\Windows\System32\slui.exe
svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Activation Client
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\slui.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\user32.dll
5112\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Console Window Host
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
6292"C:\Users\admin\Desktop\Krampus\compiler.exe" C:\Users\admin\Desktop\Krampus\compiler.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\desktop\krampus\compiler.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\users\admin\desktop\krampus\lua51.dll
6424"C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\Desktop\Krampus.zipC:\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
6440"C:\WINDOWS\System32\cmd.exe" /C "C:\Users\admin\Desktop\Krampus\Launcher.bat" C:\Windows\System32\cmd.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
1
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\cmdext.dll
c:\windows\system32\advapi32.dll
6908C:\WINDOWS\system32\cmd.exe /c ""C:\Users\admin\Desktop\Krampus\Launcher.bat" "C:\Windows\System32\cmd.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\cmdext.dll
c:\windows\system32\advapi32.dll
7204\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Console Window Host
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
7208C:\WINDOWS\System32\rundll32.exe C:\WINDOWS\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -EmbeddingC:\Windows\System32\rundll32.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\rundll32.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\shcore.dll
c:\windows\system32\imagehlp.dll
Total events
12 142
Read events
12 104
Write events
38
Delete events
0

Modification events

(PID) Process:(6424) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface\Themes
Operation:writeName:ShellExtBMP
Value:
(PID) Process:(6424) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface\Themes
Operation:writeName:ShellExtIcon
Value:
(PID) Process:(6424) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:1
Value:
C:\Users\admin\Desktop\GoogleChromeEnterpriseBundle64.zip
(PID) Process:(6424) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\Desktop\Krampus.zip
(PID) Process:(6424) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(6424) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(6424) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
(PID) Process:(6424) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths
Operation:writeName:mtime
Value:
100
(PID) Process:(6424) WinRAR.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\3c\52C64B7E
Operation:writeName:@C:\WINDOWS\System32\acppage.dll,-6002
Value:
Windows Batch File
(PID) Process:(6424) WinRAR.exeKey:HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface\MainWin
Operation:writeName:Placement
Value:
2C0000000000000001000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF3D0000002D000000FD03000016020000
Executable files
3
Suspicious files
1
Text files
2
Unknown types
0

Dropped files

PID
Process
Filename
Type
2252compiler.exeC:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\IE\E4DJRUXW\json[1].jsonbinary
MD5:81F6C4E098F67FCF7C5F4AFCCABC6F32
SHA256:44856DE77317A3D6CA2BB19BB31D75CFD196E4B0E6AC823A092690E75F0C3C44
8132WinRAR.exeC:\Users\admin\Desktop\Krampus\configtext
MD5:4AD602C68EB3AA4C84C73834E653605F
SHA256:AA2AC19E959BECA447E34DA002CC63149C208D8427BB8631344EA069F4BBCCBA
8132WinRAR.exeC:\Users\admin\Desktop\Krampus\lua51.dllexecutable
MD5:5B7166EEFFB7C256CDAE8DD6140F0900
SHA256:89A7DC0754C79F8A5E457DDDD4AEC0C3DA605CB6E3775206FE706482300D420B
8132WinRAR.exeC:\Users\admin\Desktop\Krampus\Launcher.battext
MD5:41132BF2FE575A1B1E4C1504AFE5324A
SHA256:A6A10D3AD76F6AC73DDB8026CEA7024523B67210CAD1FF64E0DEEA00BBF54DF5
2252compiler.exeC:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\IE\AH8CR9J5\DMJhfVFs[1].txttext
MD5:2B3A42FA6FEE8806273AD428E0BD30BC
SHA256:B3DA4828D40D9308AC5B5303F1577C9A8D475565F6B863F1EBA04AA31D85783A
8132WinRAR.exeC:\Users\admin\Desktop\Krampus\compiler.exeexecutable
MD5:43BACCE037526B58BC2E9BD1F6F7AA0D
SHA256:AAD44EEDB5B0ED756C2212D8C88B0C882271CA4D6C4B41600EFC2B7A6DE7A5E9
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
34
TCP/UDP connections
81
DNS requests
33
Threats
5

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
—
—
GET
304
40.68.123.157:443
https://slscr.update.microsoft.com/SLS/%7B522D76A4-93E1-47F8-B8CE-07C937AD1A1E%7D/x64/10.0.19045.4046/0?CH=686&L=en-US&P=&PT=0x30&WUA=10.0.19041.3996&MK=DELL&MD=DELL
unknown
—
—
—
2252
compiler.exe
GET
200
208.95.112.1:80
http://ip-api.com/json/
unknown
—
—
shared
—
—
GET
200
13.85.23.206:443
https://fe3cr.delivery.mp.microsoft.com/clientwebservice/ping
unknown
—
—
—
—
—
GET
200
40.68.123.157:443
https://slscr.update.microsoft.com/sls/ping
unknown
—
—
—
—
—
GET
302
23.35.229.160:443
https://www.microsoft.com/
unknown
—
—
—
—
—
GET
302
23.35.229.160:443
https://www.microsoft.com/
unknown
—
—
—
—
—
GET
304
40.68.123.157:443
https://slscr.update.microsoft.com/SLS/%7BE7A50285-D08D-499D-9FF8-180FDC2332BC%7D/x64/10.0.19045.4046/0?CH=686&L=en-US&P=&PT=0x30&WUA=10.0.19041.3996&MK=DELL&MD=DELL
unknown
—
—
—
—
—
POST
—
20.190.159.71:443
https://login.live.com/RST2.srf
unknown
—
—
—
—
—
POST
—
20.190.159.75:443
https://login.live.com/RST2.srf
unknown
—
—
—
—
—
POST
200
20.103.156.88:443
https://arc.msn.com/v4/api/register?asid=B6492EBE33414ABB8B8215F0FFE8C5CE&placement=cdmdevreg&country=GB&locale=en-GB&poptin=0&fmt=json&arch=AMD64&chassis=1&concp=0&d3dfl=D3D_FEATURE_LEVEL_12_1&devfam=Windows.Desktop&devosver=10.0.19045.4046&dinst=1661339444&dmret=0&flightbranch=&flightring=Retail&icluc=0&localid=w%3AAC7699B0-48EA-FD22-C8DC-06A02098A0F0&oem=DELL&osbranch=vb_release&oslocale=en-US&osret=1&ossku=Professional&osskuid=48&prccn=4&prccs=3094&prcmf=AuthenticAMD&procm=Intel%28R%29%20Core%28TM%29%20i5-6400%20CPU%20%40%202.70GHz&ram=4096&tinst=Client&tl=1&pat=0&smc=0&sac=0&disphorzres=1280&dispsize=15.3&dispvertres=720&ldisphorzres=1280&ldispvertres=720&moncnt=1&cpdsk=260281&frdsk=218542&lo=3613332&tsu=1003862
unknown
—
—
—
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
—
—
20.190.159.73:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4032
svchost.exe
239.255.255.250:1900
—
—
—
whitelisted
5620
MoUsoCoreWorker.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4716
svchost.exe
20.190.159.73:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
—
—
4.209.33.156:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
US
unknown
4
System
192.168.100.255:138
—
—
—
whitelisted
—
—
40.113.110.67:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
—
—
20.73.194.208:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
6308
backgroundTaskHost.exe
20.103.156.88:443
arc.msn.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
unknown

DNS requests

Domain
IP
Reputation
login.live.com
  • 20.190.159.73
  • 20.190.159.23
  • 40.126.31.67
  • 20.190.159.68
  • 20.190.159.71
  • 20.190.159.75
  • 40.126.31.73
  • 20.190.159.4
whitelisted
settings-win.data.microsoft.com
  • 51.104.136.2
  • 20.73.194.208
  • 4.231.128.59
whitelisted
google.com
  • 216.58.212.174
whitelisted
arc.msn.com
  • 20.103.156.88
whitelisted
activation-v2.sls.microsoft.com
  • 20.83.72.98
whitelisted
www.bing.com
  • 2.23.209.185
  • 2.23.209.176
  • 2.23.209.149
  • 2.23.209.140
  • 2.23.209.177
  • 2.23.209.133
  • 2.23.209.179
  • 2.23.209.182
  • 2.23.209.187
whitelisted
fd.api.iris.microsoft.com
  • 20.103.156.88
whitelisted
slscr.update.microsoft.com
  • 20.12.23.50
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 20.3.187.198
whitelisted
ip-api.com
  • 208.95.112.1
shared

Threats

PID
Process
Class
Message
—
—
Generic Protocol Command Decode
SURICATA HTTP Request unrecognized authorization method
2168
svchost.exe
Device Retrieving External IP Address Detected
INFO [ANY.RUN] External IP Check (ip-api .com)
2168
svchost.exe
Device Retrieving External IP Address Detected
ET INFO External IP Lookup Domain in DNS Lookup (ip-api .com)
2252
compiler.exe
Device Retrieving External IP Address Detected
ET POLICY External IP Lookup ip-api.com
2168
svchost.exe
Not Suspicious Traffic
INFO [ANY.RUN] Online Pastebin Text Storage
No debug info
Interactive malware hunting service ANY.RUN
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Reports
Krampus.zip