File name:

r00tkitty_dump1.bin

Full analysis: https://app.any.run/tasks/e6018c83-947a-4c65-98d1-f6342b0e5fb7
Verdict: Malicious activity
Analysis date: March 30, 2020, 16:09:39
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
MIME: application/x-dosexec
File info: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
MD5:

35C8B2E08976769B7240883038B76F35

SHA1:

D0AF68A65E713B96F294E25BED260F306CF0B8DD

SHA256:

11A29B98C9918365AFE35666519E90BA21D4F4B0589E0DD8934A69F3A1957040

SSDEEP:

768:I18yfZb2262yUP8NQyTfVh9yFUn2+EDk19YZJ:IqylRrP8NQUz9GaX9

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

      • explorer.exe (PID: 372)
      • WerFault.exe (PID: 2612)
      • svchost.exe (PID: 860)

  • SUSPICIOUS

    • Uses RUNDLL32.EXE to load library

      • explorer.exe (PID: 372)

    • Creates files in the user directory

      • explorer.exe (PID: 372)

  • INFO

    • Loads main object executable

      • rundll32.exe (PID: 3236)

    • Starts Microsoft Office Application

      • explorer.exe (PID: 372)

    • Creates files in the user directory

      • WINWORD.EXE (PID: 1872)

    • Reads Microsoft Office registry keys

      • WINWORD.EXE (PID: 1872)
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) (42.2)
.exe | Win64 Executable (generic) (37.3)
.dll | Win32 Dynamic Link Library (generic) (8.8)
.exe | Win32 Executable (generic) (6)
.exe | Generic Win/DOS Executable (2.7)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2018:05:30 20:41:50+02:00
PEType: PE32
LinkerVersion: 10
CodeSize: 20480
InitializedDataSize: 15360
UninitializedDataSize: -
EntryPoint: 0x1aaa
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 30-May-2018 18:41:50
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: 0x000000E0

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 30-May-2018 18:41:50
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_DLL
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x00004E2A
0x00005000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.45838
.rdata
0x00006000
0x000020C0
0x00002200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.69041
.data
0x00009000
0x000018FC
0x00000C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
2.44541
.rsrc
0x0000B000
0x000002B8
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.16876
.reloc
0x0000C000
0x000009F2
0x00000A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
4.82019

Resources

Title
Entropy
Size
Codepage
Language
Type
2
4.94904
607
Latin 1 / Western European
English - United States
RT_MANIFEST

Imports

KERNEL32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
39
Monitored processes
5
Malicious processes
2
Suspicious processes
1

Behavior graph

Click at the process to see the details
start rundll32.exe werfault.exe no specs explorer.exe no specs svchost.exe winword.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
372C:\Windows\Explorer.EXEC:\Windows\explorer.exe——
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\winanr.dll
c:\windows\system32\wshtcpip.dll
c:\windows\explorer.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
860C:\Windows\system32\svchost.exe -k netsvcsC:\Windows\System32\svchost.exe
services.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Host Process for Windows Services
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\windanr.exe
c:\windows\system32\svchost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
1872"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\Desktop\weeksongs.rtf"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Word
Exit code:
0
Version:
14.0.6024.1000
Modules
Images
c:\program files\microsoft office\office14\winword.exe
c:\systemroot\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\winsxs\x86_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.6161_none_50934f2ebcb7eb57\msvcr90.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7601.17514_none_ec83dffa859149af\comctl32.dll
2612C:\Windows\system32\WerFault.exe -u -p 3236 -s 184C:\Windows\system32\WerFault.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Problem Reporting
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\werfault.exe
c:\systemroot\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\user32.dll
c:\windows\system32\gdi32.dll
3236"C:\Windows\System32\rundll32.exe" "C:\Users\admin\Desktop\r00tkitty_dump1.bin.exe", DllMainC:\Windows\System32\rundll32.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows host process (Rundll32)
Exit code:
3221225477
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\rundll32.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.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\imagehlp.dll
Total events
3 205
Read events
2 480
Write events
580
Delete events
145

Modification events

(PID) Process:(372) explorer.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(372) explorer.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\00004109D30000000000000000F01FEC\Usage
Operation:writeName:WORDFiles
Value:
1350434878
(PID) Process:(372) explorer.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\UserAssist\{CEBFF5CD-ACE2-4F4F-9178-9926F41749EA}\Count
Operation:writeName:{7P5N40RS-N0SO-4OSP-874N-P0S2R0O9SN8R}\Zvpebfbsg Bssvpr\Bssvpr14\JVAJBEQ.RKR
Value:
00000000060000000500000053190000000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BFFFFFFFFF005430AEAD06D60100000000
(PID) Process:(372) explorer.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\UserAssist\{CEBFF5CD-ACE2-4F4F-9178-9926F41749EA}\Count
Operation:writeName:HRZR_PGYFRFFVBA
Value:
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
(PID) Process:(372) explorer.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.rtf\OpenWithList
Operation:writeName:a
Value:
WINWORD.EXE
(PID) Process:(372) explorer.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.rtf\OpenWithList
Operation:writeName:MRUList
Value:
a
(PID) Process:(372) explorer.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.rtf\OpenWithProgids
Operation:writeName:Word.RTF.8
Value:
(PID) Process:(372) explorer.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\RecentDocs
Operation:writeName:9
Value:
7700650065006B0073006F006E00670073002E0072007400660000007C003200000000000000000000007765656B736F6E67732E727466202832292E6C6E6B00580008000400EFBE00000000000000002A000000000000000000000000000000000000000000000000007700650065006B0073006F006E00670073002E0072007400660020002800320029002E006C006E006B00000024000000
(PID) Process:(372) explorer.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\RecentDocs\.rtf
Operation:writeName:0
Value:
7700650065006B0073006F006E00670073002E0072007400660000007C003200000000000000000000007765656B736F6E67732E727466202832292E6C6E6B00580008000400EFBE00000000000000002A000000000000000000000000000000000000000000000000007700650065006B0073006F006E00670073002E0072007400660020002800320029002E006C006E006B00000024000000
(PID) Process:(372) explorer.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\RecentDocs\.rtf
Operation:writeName:MRUListEx
Value:
00000000FFFFFFFF
Executable files
0
Suspicious files
1
Text files
2
Unknown types
10

Dropped files

PID
Process
Filename
Type
1872WINWORD.EXEC:\Users\admin\AppData\Local\Temp\CVR92D2.tmp.cvr —
MD5:—
SHA256:—
372explorer.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\weeksongs.rtf (2).lnklnk
MD5:—
SHA256:—
372explorer.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\AutomaticDestinations\a7bd71699cd38d1c.automaticDestinations-msautomaticdestinations-ms
MD5:—
SHA256:—
1872WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\index.datini
MD5:—
SHA256:—
860svchost.exeC:\Windows\appcompat\programs\RecentFileCache.bcftxt
MD5:—
SHA256:—
372explorer.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\AutomaticDestinations\1b4dd67f29cb1962.automaticDestinations-msautomaticdestinations-ms
MD5:—
SHA256:—
1872WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\weeksongs.rtf.LNKlnk
MD5:—
SHA256:—
2612WerFault.exeC:\Users\admin\AppData\Local\Microsoft\Windows\WER\ReportArchive\AppCrash_rundll32.exe_r00_cfd322f6229a81e2bbf559dd10ebfcd7322850ab_0a92e1ec\Report.werbinary
MD5:—
SHA256:—
1872WINWORD.EXEC:\Users\admin\Desktop\~$eksongs.rtfpgc
MD5:—
SHA256:—
2612WerFault.exeC:\Users\admin\AppData\Local\CrashDumps\rundll32.exe.3236.dmpdmp
MD5:—
SHA256:—
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
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Reports
r00tkitty_dump1.bin