download:

vchdnw9.tmp

Full analysis: https://app.any.run/tasks/80f6c53b-d0fd-489b-9050-c04b6907a549
Verdict: Malicious activity
Threats:

GandCrab is probably one of the most famous Ransomware. A Ransomware is a malware that asks the victim to pay money in order to restore access to encrypted files. If the user does not cooperate the files are forever lost.

Malware Trends Tracker     >>>
Analysis date: May 24, 2019, 13:51:02
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
ransomware
gandcrab
trojan
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

BD6E02A6B8FC9F98D648E0B6FBC7A1F8

SHA1:

481C66AC2D1AC524AF4043FA5B588BF0E404EDB2

SHA256:

5963668B830375339E9DFF26DB51B7F6580C8999610EEB2F8277B28DB807912C

SSDEEP:

3072:Nf/I2KbnehQpSEymq9Gs6c/R7b3doBH5T0FFH8YdIDN8FPg2:Nf/I2K7OQp/ymns6U7b3CcOUIh8d

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

    • Changes settings of System certificates

      • vchdnw9.tmp.exe (PID: 900)

    • Renames files like Ransomware

      • vchdnw9.tmp.exe (PID: 900)

    • Writes file to Word startup folder

      • vchdnw9.tmp.exe (PID: 900)

    • Deletes shadow copies

      • cmd.exe (PID: 5376)

    • Dropped file may contain instructions of ransomware

      • vchdnw9.tmp.exe (PID: 900)

    • Connects to CnC server

      • vchdnw9.tmp.exe (PID: 900)

    • Actions looks like stealing of personal data

      • vchdnw9.tmp.exe (PID: 900)

    • GANDCRAB detected

      • vchdnw9.tmp.exe (PID: 900)

  • SUSPICIOUS

    • Reads the cookies of Mozilla Firefox

      • vchdnw9.tmp.exe (PID: 900)

    • Starts CMD.EXE for commands execution

      • vchdnw9.tmp.exe (PID: 900)

    • Creates files in the program directory

      • vchdnw9.tmp.exe (PID: 900)

    • Adds / modifies Windows certificates

      • vchdnw9.tmp.exe (PID: 900)

    • Executed as Windows Service

      • vssvc.exe (PID: 5604)

    • Creates files in the user directory

      • vchdnw9.tmp.exe (PID: 900)

  • INFO

    • Dropped object may contain Bitcoin addresses

      • vchdnw9.tmp.exe (PID: 900)

    • Dropped object may contain TOR URL's

      • vchdnw9.tmp.exe (PID: 900)
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) (41)
.exe | Win64 Executable (generic) (36.3)
.dll | Win32 Dynamic Link Library (generic) (8.6)
.exe | Win32 Executable (generic) (5.9)
.exe | Win16/32 Executable Delphi generic (2.7)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2019:05:23 20:29:43+02:00
PEType: PE32
LinkerVersion: 3.1
CodeSize: 163328
InitializedDataSize: 11776
UninitializedDataSize: -
EntryPoint: 0x1000
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 23-May-2019 18:29:43

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: 0x00000080

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 2
Time date stamp: 23-May-2019 18:29:43
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_LOCAL_SYMS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x00024F22
0x00025000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.13739
.data
0x00026000
0x00002CB4
0x00002E00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
2.89814

Imports

advapi32.dll
gdiplus.dll
kernel32.dll
msimg32.dll
oledlg.dll
winspool.drv
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
38
Monitored processes
4
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #GANDCRAB vchdnw9.tmp.exe cmd.exe vssadmin.exe no specs vssvc.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
900"C:\Users\admin\AppData\Local\Temp\vchdnw9.tmp.exe" C:\Users\admin\AppData\Local\Temp\vchdnw9.tmp.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\vchdnw9.tmp.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msimg32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
5376"C:\Windows\system32\cmd.exe" /c vssadmin delete shadows /all /quietC:\Windows\system32\cmd.exe
vchdnw9.tmp.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
5392vssadmin delete shadows /all /quietC:\Windows\system32\vssadmin.exe—cmd.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Command Line Interface for Microsoft® Volume Shadow Copy Service
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\vssadmin.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\atl.dll
c:\windows\system32\user32.dll
5604C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe—services.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Microsoft® Volume Shadow Copy Service
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\vssvc.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
Total events
120
Read events
83
Write events
37
Delete events
0

Modification events

(PID) Process:(900) vchdnw9.tmp.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(900) vchdnw9.tmp.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(900) vchdnw9.tmp.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\vchdnw9_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(900) vchdnw9.tmp.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\vchdnw9_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(900) vchdnw9.tmp.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\vchdnw9_RASAPI32
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(900) vchdnw9.tmp.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\vchdnw9_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
4294901760
(PID) Process:(900) vchdnw9.tmp.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\vchdnw9_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(900) vchdnw9.tmp.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\vchdnw9_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(900) vchdnw9.tmp.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\vchdnw9_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(900) vchdnw9.tmp.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\vchdnw9_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
Executable files
0
Suspicious files
413
Text files
319
Unknown types
16

Dropped files

PID
Process
Filename
Type
900vchdnw9.tmp.exeC:\Recovery\345b46fe-a9f9-11e7-a83c-e8a4f72b1d33\boot.sdi —
MD5:—
SHA256:—
900vchdnw9.tmp.exeC:\Recovery\345b46fe-a9f9-11e7-a83c-e8a4f72b1d33\Winre.wim —
MD5:—
SHA256:—
900vchdnw9.tmp.exeC:\Recovery\345b46fe-a9f9-11e7-a83c-e8a4f72b1d33\Winre.wim.mujgjoidnj —
MD5:—
SHA256:—
900vchdnw9.tmp.exeC:\System Volume Information\SPP\OnlineMetadataCache\{05ed3515-06b3-48f6-8cf2-bf24b1bf0727}_OnDiskSnapshotProp —
MD5:—
SHA256:—
900vchdnw9.tmp.exeC:\System Volume Information\SPP\OnlineMetadataCache\{16d74681-6bc3-4c44-97f0-8b8dfefe2355}_OnDiskSnapshotProp —
MD5:—
SHA256:—
900vchdnw9.tmp.exeC:\System Volume Information\SPP\OnlineMetadataCache\{38e8535f-27d0-4352-aa3a-ce4178930102}_OnDiskSnapshotProp —
MD5:—
SHA256:—
900vchdnw9.tmp.exeC:\System Volume Information\SPP\OnlineMetadataCache\{3cc0f82b-873a-4e59-b89f-689fbdf88af9}_OnDiskSnapshotProp —
MD5:—
SHA256:—
900vchdnw9.tmp.exeC:\System Volume Information\SPP\OnlineMetadataCache\{5c4beaff-a038-4df7-9b35-072a18f8e3d6}_OnDiskSnapshotProp —
MD5:—
SHA256:—
900vchdnw9.tmp.exeC:\Users\MUJGJOIDNJ-MANUAL.txttext
MD5:—
SHA256:—
900vchdnw9.tmp.exeC:\System Volume Information\SPP\OnlineMetadataCache\{6af49b38-a69b-4427-8e0d-1d7f53ed58e8}_OnDiskSnapshotProp —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
2
DNS requests
1
Threats
4

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
900
vchdnw9.tmp.exe
GET
301
185.52.2.154:80
http://www.kakaocorp.link/
NL
html
162 b
malicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
900
vchdnw9.tmp.exe
185.52.2.154:80
www.kakaocorp.link
RouteLabel V.O.F.
NL
suspicious
900
vchdnw9.tmp.exe
185.52.2.154:443
www.kakaocorp.link
RouteLabel V.O.F.
NL
suspicious

DNS requests

Domain
IP
Reputation
www.kakaocorp.link
  • 185.52.2.154
malicious

Threats

PID
Process
Class
Message
900
vchdnw9.tmp.exe
A Network Trojan was detected
MALWARE [PTsecurity] Blacklisted GandCrab Ransomware C2 Server
900
vchdnw9.tmp.exe
A Network Trojan was detected
MALWARE [PTsecurity] Blacklisted GandCrab Ransomware C2 Server
2 ETPRO signatures available at the full report
No debug info
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Reports
vchdnw9.tmp