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File name:

c2a

Full analysis: https://app.any.run/tasks/5e2d7ef9-4eb1-4d46-bf5c-68719cf38c95
Verdict: Malicious activity
Analysis date: April 23, 2019, 08:57:17
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows
MD5:

1C21115664F9ADFDB416450C12885408

SHA1:

E99CA2914C9C906CF485E611201C94C1B60E31BE

SHA256:

83CAA46483C166E381FD9832187476B1C92F4D0436D92E9D73CAEEB8523FD4AC

SSDEEP:

768:IZzU6bakrEddIiSJRZsncDBGoYuozHlzdx:IpUpkT5vZvNYuIzH

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 the Startup folder

      • REG.exe (PID: 592)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • c2a.exe (PID: 2552)
    • Uses REG.EXE to modify Windows registry

      • vnren.exe (PID: 2860)
    • Creates files in the program directory

      • c2a.exe (PID: 2552)
  • INFO

    No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | MinGW32 C/C++ Executable (76.3)
.exe | Win32 Executable MS Visual C++ (generic) (9.7)
.exe | Win64 Executable (generic) (8.5)
.dll | Win32 Dynamic Link Library (generic) (2)
.exe | Win32 Executable (generic) (1.4)

EXIF

EXE

Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: 1
OSVersion: 4
EntryPoint: 0x1240
UninitializedDataSize: 82432
InitializedDataSize: 24064
CodeSize: 13824
LinkerVersion: 2.56
PEType: PE32
TimeStamp: 2019:03:28 20:25:37+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 28-Mar-2019 19:25:37
Debug artifacts:
  • Embedded COFF debugging symbols

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: 5
Time date stamp: 28-Mar-2019 19:25:37
Pointer to Symbol Table: 0x00006200
Number of symbols: 1174
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_DEBUG_STRIPPED
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x00003444
0x00003600
IMAGE_SCN_CNT_CODE, IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.40585
.data
0x00005000
0x00001B00
0x00001C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0.97575
.rdata
0x00007000
0x00000110
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.26143
.bss
0x00008000
0x00014190
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.idata
0x0001D000
0x000008A4
0x00000A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.39684

Imports

ADVAPI32.DLL
KERNEL32.dll
SHELL32.DLL
USER32.dll
WSOCK32.DLL
msvcrt.dll
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
34
Monitored processes
3
Malicious processes
0
Suspicious processes
1

Behavior graph

Click at the process to see the details
drop and start start c2a.exe vnren.exe reg.exe

Process information

PID
CMD
Path
Indicators
Parent process
2552"C:\Users\admin\AppData\Local\Temp\c2a.exe" C:\Users\admin\AppData\Local\Temp\c2a.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
2860c:\programdata\e7730e88b5\vnren.exec:\programdata\e7730e88b5\vnren.exe
c2a.exe
User:
admin
Integrity Level:
MEDIUM
592REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\ProgramData\e7730e88b5C:\Windows\system32\REG.exe
vnren.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Registry Console Tool
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Total events
4
Read events
3
Write events
1
Delete events
0

Modification events

(PID) Process:(592) REG.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
Operation:writeName:Startup
Value:
C:\ProgramData\e7730e88b5
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
2552c2a.exeC:\ProgramData\0
MD5:
SHA256:
2552c2a.exeC:\programdata\e7730e88b5\vnren.exe:Zone.Identifier
MD5:
SHA256:
2860vnren.exeC:\ProgramData\0
MD5:
SHA256:
2552c2a.exeC:\programdata\e7730e88b5\vnren.exeexecutable
MD5:1C21115664F9ADFDB416450C12885408
SHA256:83CAA46483C166E381FD9832187476B1C92F4D0436D92E9D73CAEEB8523FD4AC
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
1
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

Domain
IP
Reputation
trickeyes.cf
unknown

Threats

PID
Process
Class
Message
Potentially Bad Traffic
ET INFO DNS Query for Suspicious .cf Domain
No debug info