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File name:

repos.exe

Full analysis: https://app.any.run/tasks/aeb17e46-5524-423a-8782-4eaa3d906c4f
Verdict: Malicious activity
Threats:

Netwire is an advanced RAT — it is a malware that takes control of infected PCs and allows its operators to perform various actions. Unlike many RATs, this one can target every major operating system, including Windows, Linux, and MacOS.

Analysis date: February 19, 2019, 13:23:21
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
netwire
trojan
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

703A4279DFEA4A1ECE5DC59C01BEF53F

SHA1:

9C1A0DE2F1BA9084F6B0D7861931C82BCC1BE6E6

SHA256:

0ACC3946C857B40B3BBECF361C3F5DC84772BAFBEF6F29BC226A62ACBC4F8BF9

SSDEEP:

6144:QsCwu+mWhJifvtNP/7YXSLB80PqO/PhR3pAqqq+bF/FvuY5IyDGn2tL3wOd:NxmIJQvPkitEqZR3pAJq+7WUJ0S

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

    • Application was dropped or rewritten from another process

      • excels.exe (PID: 2416)
      • trema.exe (PID: 3608)
    • Connects to CnC server

      • excels.exe (PID: 2416)
    • Changes the autorun value in the registry

      • excels.exe (PID: 2416)
    • NETWIRE was detected

      • excels.exe (PID: 2416)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • repos.exe (PID: 3080)
      • trema.sfx.exe (PID: 3796)
      • trema.exe (PID: 3608)
    • Connects to unusual port

      • excels.exe (PID: 2416)
    • Starts CMD.EXE for commands execution

      • repos.exe (PID: 3080)
    • Creates files in the user directory

      • trema.exe (PID: 3608)
  • 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 | Win64 Executable (generic) (64.6)
.dll | Win32 Dynamic Link Library (generic) (15.4)
.exe | Win32 Executable (generic) (10.5)
.exe | Generic Win/DOS Executable (4.6)
.exe | DOS Executable Generic (4.6)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2017:08:11 15:54:06+02:00
PEType: PE32
LinkerVersion: 14
CodeSize: 188928
InitializedDataSize: 194560
UninitializedDataSize: -
EntryPoint: 0x1cec9
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 11-Aug-2017 13:54:06
Detected languages:
  • English - United States
Debug artifacts:
  • D:\Projects\WinRAR\sfx\build\sfxrar32\Release\sfxrar.pdb

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: 0x00000108

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 6
Time date stamp: 11-Aug-2017 13:54:06
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x0002E1CB
0x0002E200
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.69427
.rdata
0x00030000
0x000098A0
0x00009A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.12106
.data
0x0003A000
0x0001F290
0x00000C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
3.23719
.gfids
0x0005A000
0x000000E8
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
2.05507
.rsrc
0x0005B000
0x00004680
0x00004800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.6389
.reloc
0x00060000
0x00001F58
0x00002000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.62297

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.25329
1875
UNKNOWN
English - United States
RT_MANIFEST
2
3.88998
1384
UNKNOWN
English - United States
RT_ICON
3
4.12176
744
UNKNOWN
English - United States
RT_ICON
4
4.68705
2216
UNKNOWN
English - United States
RT_ICON
7
3.1586
482
UNKNOWN
English - United States
RT_STRING
8
3.11685
460
UNKNOWN
English - United States
RT_STRING
9
3.15447
494
UNKNOWN
English - United States
RT_STRING
10
2.99727
326
UNKNOWN
English - United States
RT_STRING
11
3.2036
1094
UNKNOWN
English - United States
RT_STRING
12
3.12889
358
UNKNOWN
English - United States
RT_STRING

Imports

KERNEL32.dll
USER32.dll (delay-loaded)
No data.
screenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
35
Monitored processes
5
Malicious processes
3
Suspicious processes
2

Behavior graph

Click at the process to see the details
start drop and start drop and start repos.exe cmd.exe no specs trema.sfx.exe trema.exe #NETWIRE excels.exe

Process information

PID
CMD
Path
Indicators
Parent process
3080"C:\Users\admin\AppData\Roaming\repos.exe" C:\Users\admin\AppData\Roaming\repos.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
3036cmd /c ""C:\Users\admin\AppData\Local\Temp\RarSFX0\guo.bat" "C:\Windows\system32\cmd.exerepos.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
0
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
3796trema.sfx.exe -p126 -dC:\Users\admin\AppData\Local\TempC:\Users\admin\AppData\Local\Temp\RarSFX0\trema.sfx.exe
cmd.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
3608"C:\Users\admin\AppData\Local\Temp\RarSFX1\trema.exe" C:\Users\admin\AppData\Local\Temp\RarSFX1\trema.exe
trema.sfx.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
2416"C:\Users\admin\AppData\Roaming\Install\excels.exe"C:\Users\admin\AppData\Roaming\Install\excels.exe
trema.exe
User:
admin
Integrity Level:
MEDIUM
Total events
735
Read events
724
Write events
11
Delete events
0

Modification events

(PID) Process:(3080) repos.exeKey:HKEY_CURRENT_USER\Software\WinRAR SFX
Operation:writeName:C%%Users%admin%AppData%Local%Temp
Value:
C:\Users\admin\AppData\Local\Temp\RarSFX0
(PID) Process:(3080) repos.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3080) repos.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3796) trema.sfx.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3796) trema.sfx.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(2416) excels.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:Powerpoint
Value:
C:\Users\admin\AppData\Roaming\Install\excels.exe
(PID) Process:(2416) excels.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{33M2W4HQ-8650-NBDV-YC5U-8315XNCJH78L}
Operation:writeName:StubPath
Value:
"C:\Users\admin\AppData\Roaming\Install\excels.exe"
Executable files
3
Suspicious files
0
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
3796trema.sfx.exeC:\Users\admin\AppData\Local\Temp\RarSFX1\trema.exeexecutable
MD5:E71659811C3F5F5BFE97F75E93501787
SHA256:9BEE01875399CC351A70F3FAC87C7C5D65DFD0C9F8FF218178BF29948AA18DEB
3608trema.exeC:\Users\admin\AppData\Roaming\Install\excels.exeexecutable
MD5:E71659811C3F5F5BFE97F75E93501787
SHA256:9BEE01875399CC351A70F3FAC87C7C5D65DFD0C9F8FF218178BF29948AA18DEB
3080repos.exeC:\Users\admin\AppData\Local\Temp\RarSFX0\guo.battext
MD5:5F0ECD0B419473FBE26A79CAA989005B
SHA256:ECCECD5C7D76614E8D84320D5311BBE3A629D783A3938E5DF97C726A2EA6DFD6
3080repos.exeC:\Users\admin\AppData\Local\Temp\RarSFX0\trema.sfx.exeexecutable
MD5:D85AC2B5D8820D1174674D0E61194A23
SHA256:C494275652C12F3681C668DC7F1FFE230AA253C8816EC3FD5A1D2966F4C5B745
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
1
Threats
0

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
2416
excels.exe
185.84.181.101:5934
bossback.camdvr.org
Radore Veri Merkezi Hizmetleri A.S.
TR
malicious

DNS requests

Domain
IP
Reputation
bossback.camdvr.org
  • 185.84.181.101
malicious

Threats

PID
Process
Class
Message
2416
excels.exe
A Network Trojan was detected
MALWARE [PTsecurity] Netwire.RAT
2416
excels.exe
A Network Trojan was detected
ET TROJAN Possible Netwire RAT Client HeartBeat C2
1 ETPRO signatures available at the full report
No debug info