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File name:

Private crypt.exe

Full analysis: https://app.any.run/tasks/97a08166-2983-4c3a-ae97-f35f54f66616
Verdict: Malicious activity
Threats:

DarkComet RAT is a malicious program designed to remotely control or administer a victim's computer, steal private data and spy on the victim.

Analysis date: January 23, 2019, 05:50:38
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
trojan
rat
darkcomet
backdoor
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
MD5:

41F3D015C009F7889CE9352206A6AEF3

SHA1:

0D016CDC10D8E27F052A1E8E8B41B7A942913B83

SHA256:

5FADA8426391761BC6377380BB7C3217D8FA74472A766582A09A3A357BFE29BF

SSDEEP:

6144:scNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37P1DHQd:scW7KEZlPzCy37dDe

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 autorun value in the registry

      • Private crypt.exe (PID: 3192)
      • winlogon.exe (PID: 2356)
    • Changes the login/logoff helper path in the registry

      • Private crypt.exe (PID: 3192)
    • DARKCOMET was detected

      • winlogon.exe (PID: 2356)
  • SUSPICIOUS

    • Starts CMD.EXE for commands execution

      • Private crypt.exe (PID: 3192)
    • Uses ATTRIB.EXE to modify file attributes

      • cmd.exe (PID: 2652)
      • cmd.exe (PID: 1348)
    • Executable content was dropped or overwritten

      • Private crypt.exe (PID: 3192)
    • Starts itself from another location

      • Private crypt.exe (PID: 3192)
    • Connects to unusual port

      • winlogon.exe (PID: 2356)
    • Creates files in the user directory

      • winlogon.exe (PID: 2356)
  • 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 | UPX compressed Win32 Executable (38.2)
.exe | Win32 EXE Yoda's Crypter (37.5)
.dll | Win32 Dynamic Link Library (generic) (9.2)
.exe | Win32 Executable (generic) (6.3)
.exe | Win16/32 Executable Delphi generic (2.9)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2012:06:07 17:59:53+02:00
PEType: PE32
LinkerVersion: 2.25
CodeSize: 253952
InitializedDataSize: 24576
UninitializedDataSize: 503808
EntryPoint: 0xb97a0
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 4.0.0.0
ProductVersionNumber: 4.0.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Unicode
Comments: Remote Service Application
CompanyName: Microsoft Corp.
FileDescription: Remote Service Application
FileVersion: 1, 0, 0, 1
InternalName: MSRSAAPP
LegalCopyright: Copyright (C) 1999
OriginalFileName: MSRSAAP.EXE
ProductName: Remote Service Application
ProductVersion: 4, 0, 0, 0

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 07-Jun-2012 15:59:53
Detected languages:
  • English - United States
  • French - France
Comments: Remote Service Application
CompanyName: Microsoft Corp.
FileDescription: Remote Service Application
FileVersion: 1, 0, 0, 1
InternalName: MSRSAAPP
LegalCopyright: Copyright (C) 1999
OriginalFilename: MSRSAAP.EXE
ProductName: Remote Service Application
ProductVersion: 4, 0, 0, 0

DOS Header

Magic number: MZ
Bytes on last page of file: 0x0050
Pages in file: 0x0002
Relocations: 0x0000
Size of header: 0x0004
Min extra paragraphs: 0x000F
Max extra paragraphs: 0xFFFF
Initial SS value: 0x0000
Initial SP value: 0x00B8
Checksum: 0x0000
Initial IP value: 0x0000
Initial CS value: 0x0000
Overlay number: 0x001A
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x00000100

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 07-Jun-2012 15:59:53
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_BYTES_REVERSED_HI
  • IMAGE_FILE_BYTES_REVERSED_LO
  • 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
UPX0
0x00001000
0x0007B000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
UPX1
0x0007C000
0x0003E000
0x0003DA00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.9249
.rsrc
0x000BA000
0x00006000
0x00005200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.72578

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.34616
856
Latin 1 / Western European
French - France
RT_VERSION
2
7.12579
308
Latin 1 / Western European
English - United States
RT_CURSOR
3
7.11019
308
Latin 1 / Western European
English - United States
RT_CURSOR
4
7.05938
308
Latin 1 / Western European
English - United States
RT_CURSOR
5
7.10973
308
Latin 1 / Western European
English - United States
RT_CURSOR
6
6.88684
308
Latin 1 / Western European
English - United States
RT_CURSOR
7
7.19506
308
Latin 1 / Western European
English - United States
RT_CURSOR
50
4.40114
16936
Latin 1 / Western European
English - United States
RT_ICON
128
2.0815
20
Latin 1 / Western European
English - United States
RT_GROUP_ICON
4083
7.34229
524
Latin 1 / Western European
UNKNOWN
RT_STRING

Imports

AVICAP32.DLL
KERNEL32.DLL
SHFolder.dll
URLMON.DLL
WS2_32.DLL
advapi32.dll
comctl32.dll
gdi32.dll
gdiplus.dll
msacm32.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
39
Monitored processes
8
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start private crypt.exe cmd.exe no specs cmd.exe no specs notepad.exe no specs attrib.exe no specs attrib.exe no specs #DARKCOMET winlogon.exe notepad.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
3192"C:\Users\admin\Downloads\Private crypt.exe" C:\Users\admin\Downloads\Private crypt.exe
explorer.exe
User:
admin
Company:
Microsoft Corp.
Integrity Level:
MEDIUM
Description:
Remote Service Application
Exit code:
0
Version:
1, 0, 0, 1
2652"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\admin\Downloads\Private crypt.exe" +s +hC:\Windows\System32\cmd.exePrivate crypt.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
1348"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\admin\Downloads" +s +hC:\Windows\System32\cmd.exePrivate crypt.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
1300notepadC:\Windows\system32\notepad.exePrivate crypt.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Notepad
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
2168attrib "C:\Users\admin\Downloads\Private crypt.exe" +s +hC:\Windows\system32\attrib.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Attribute Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
2472attrib "C:\Users\admin\Downloads" +s +hC:\Windows\system32\attrib.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Attribute Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
2356"C:\Ug13Pl3VG6rj\winlogon.exe" C:\Ug13Pl3VG6rj\winlogon.exe
Private crypt.exe
User:
admin
Company:
Microsoft Corp.
Integrity Level:
MEDIUM
Description:
Remote Service Application
Version:
1, 0, 0, 1
3276notepadC:\Windows\system32\notepad.exewinlogon.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Notepad
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Total events
325
Read events
252
Write events
0
Delete events
0

Modification events

No data
Executable files
1
Suspicious files
0
Text files
0
Unknown types
26

Dropped files

PID
Process
Filename
Type
2356winlogon.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Login Data - Copy
MD5:
SHA256:
3192Private crypt.exeC:\Ug13Pl3VG6rj\winlogon.exeexecutable
MD5:41F3D015C009F7889CE9352206A6AEF3
SHA256:5FADA8426391761BC6377380BB7C3217D8FA74472A766582A09A3A357BFE29BF
2356winlogon.exeC:\Users\admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1302019708-1500728564-335382590-1000\0f5007522459c86e95ffcc62f32308f1_90059c37-1320-41a4-b58d-2b75a9850d2fdbf
MD5:18B8CFC0185C50383AAC0A4F30A9DAC8
SHA256:913E8CED6A447FE791954D382ABA52D490513C5D2F689B391866C7E561F89A03
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
6
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
2356
winlogon.exe
93.177.183.131:1604
xose01.ddns.net
Magticom Ltd.
GE
malicious

DNS requests

Domain
IP
Reputation
xose01.ddns.net
  • 93.177.183.131
malicious

Threats

PID
Process
Class
Message
2356
winlogon.exe
A Network Trojan was detected
MALWARE [PTsecurity] DarkComet-RAT Inbound connection
2356
winlogon.exe
A Network Trojan was detected
MALWARE [PTsecurity] Backdoor.Win32.DarkKomet!O outbound stream
2356
winlogon.exe
A Network Trojan was detected
MALWARE [PTsecurity] Possible DarkComet-RAT activity
2356
winlogon.exe
A Network Trojan was detected
MALWARE [PTsecurity] DarkComet-RAT Inbound connection
2356
winlogon.exe
A Network Trojan was detected
MALWARE [PTsecurity] DarkComet-RAT Inbound connection
2356
winlogon.exe
A Network Trojan was detected
ET TROJAN Backdoor.Win32.DarkComet Screenshot Upload Successful
2356
winlogon.exe
A Network Trojan was detected
MALWARE [PTsecurity] DarkComet-RAT Inbound connection
2356
winlogon.exe
A Network Trojan was detected
MALWARE [PTsecurity] DarkComet-RAT Inbound connection
2356
winlogon.exe
A Network Trojan was detected
MALWARE [PTsecurity] Possible DarkComet-RAT activity
2356
winlogon.exe
A Network Trojan was detected
MALWARE [PTsecurity] DarkComet-RAT Inbound connection
8 ETPRO signatures available at the full report
No debug info