File name:

wer.exe

Full analysis: https://app.any.run/tasks/500c9a23-888a-46f3-8866-28e218a59aa8
Verdict: Malicious activity
Analysis date: June 16, 2020, 16:08:45
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

4A00FAF132DC4A9E7844A2FEB9F6700B

SHA1:

F3E3258B2D02044027F623D05648B74F7B3627A2

SHA256:

29E9BDFF760BC340346480D3FD186AF3A487A4A1B621454B98A01D2FE1913DD1

SSDEEP:

6144:uXKJlnagpOWod1+3Ea6dDeCR7yaEnC+lbUGhclavUr1M5Hs+cI9:rpwYGRb+lbUqcl2Ur25Hs5I

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

    • Known privilege escalation attack

      • DllHost.exe (PID: 2360)
    • Connects to CnC server

      • wer.exe (PID: 3900)
  • SUSPICIOUS

    • Executed via COM

      • DllHost.exe (PID: 2360)
  • 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 | 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: 2020:06:16 12:00:45+02:00
PEType: PE32
LinkerVersion: 6
CodeSize: 49152
InitializedDataSize: 446464
UninitializedDataSize: -
EntryPoint: 0x5674
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 16-Jun-2020 10:00:45
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: 4
Time date stamp: 16-Jun-2020 10:00:45
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_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x0000B84A
0x0000C000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.4684
.rdata
0x0000D000
0x00002166
0x00003000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.59639
.data
0x00010000
0x00002F08
0x00002000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
2.11297
.rsrc
0x00013000
0x000669D0
0x00067000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
6.97413

Resources

Title
Entropy
Size
Codepage
Language
Type
138
5.08904
216042
UNKNOWN
English - United States
RT_BITMAP
35893
7.99916
204100
UNKNOWN
English - United States
RT_RCDATA

Imports

ADVAPI32.dll
GDI32.dll
KERNEL32.dll
USER32.dll
No data.
screenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
37
Monitored processes
3
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start wer.exe no specs CMSTPLUA no specs wer.exe

Process information

PID
CMD
Path
Indicators
Parent process
1708"C:\Users\admin\AppData\Local\Temp\wer.exe" C:\Users\admin\AppData\Local\Temp\wer.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\wer.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\advapi32.dll
2360C:\Windows\system32\DllHost.exe /Processid:{3E5FC7F9-9A51-4367-9063-A120244FBEC7}C:\Windows\system32\DllHost.exesvchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
COM Surrogate
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\dllhost.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
3900"C:\Users\admin\AppData\Local\Temp\wer.exe" C:\Users\admin\AppData\Local\Temp\wer.exe
DllHost.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\wer.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\advapi32.dll
Total events
375
Read events
371
Write events
4
Delete events
0

Modification events

(PID) Process:(2360) DllHost.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(2360) DllHost.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
Executable files
0
Suspicious files
0
Text files
134
Unknown types
0

Dropped files

PID
Process
Filename
Type
1708wer.exeC:\Users\admin\AppData\Local\Temp\log67AA.tmptext
MD5:19A5CECD6418F05E01751DB67A82F428
SHA256:CE951B5B2013B6C90EE50CC77348EF8526988EA3416E02139DB337BFF97B2BB5
3900wer.exeC:\Users\admin\AppData\Local\Temp\logD807.tmptext
MD5:500801CD73F8B83326BEB6E6A05A2D2E
SHA256:C844387095028C9343AE0637FF52099558794DDE6DF1CE88E13DFB1294813C81
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
1
DNS requests
0
Threats
1

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3900
wer.exe
185.99.2.65:443
Globalhost d.o.o.
BA
suspicious

DNS requests

No data

Threats

PID
Process
Class
Message
3900
wer.exe
A Network Trojan was detected
ET CNC Feodo Tracker Reported CnC Server group 9
No debug info