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File name:

56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe

Full analysis: https://app.any.run/tasks/f76f510e-a6ce-458e-ab06-b8050b0e5df8
Verdict: Malicious activity
Threats:

Trojans are a group of malicious programs distinguished by their ability to masquerade as benign software. Depending on their type, trojans possess a variety of capabilities, ranging from maintaining full remote control over the victim’s machine to stealing data and files, as well as dropping other malware. At the same time, the main functionality of each trojan family can differ significantly depending on its type. The most common trojan infection chain starts with a phishing email.

Analysis date: May 20, 2022, 21:10:33
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
evasion
trojan
snake
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

51E45A0BE107E6DB044816E8BF736A11

SHA1:

88503B1CED18BA01AD5504AEFC3ACA68F03BCA48

SHA256:

FAC95F09600BAF09BF16C0C46C4EB851FE16B678F95ADA7E0DE25EE0BF71C85D

SSDEEP:

384:AdQM3MqIU4Wkef0+Jp5KGQxyid7NU3Yf7k:ANd2epvibYYfg

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

    • Drops executable file immediately after starts

      • 56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe (PID: 1636)
    • Changes the Startup folder

      • 56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe (PID: 1636)
    • Steals credentials from Web Browsers

      • MSBuild.exe (PID: 2492)
    • Actions looks like stealing of personal data

      • MSBuild.exe (PID: 2492)
    • SNAKE detected by memory dumps

      • MSBuild.exe (PID: 2492)
  • SUSPICIOUS

    • Checks supported languages

      • 56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe (PID: 1636)
      • cmd.exe (PID: 2624)
      • MSBuild.exe (PID: 2492)
    • Reads the computer name

      • 56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe (PID: 1636)
      • MSBuild.exe (PID: 2492)
    • Reads Environment values

      • 56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe (PID: 1636)
      • MSBuild.exe (PID: 2492)
    • Starts CMD.EXE for commands execution

      • 56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe (PID: 1636)
    • Drops a file with a compile date too recent

      • 56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe (PID: 1636)
    • Executable content was dropped or overwritten

      • 56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe (PID: 1636)
    • Creates files in the user directory

      • 56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe (PID: 1636)
    • Loads DLL from Mozilla Firefox

      • MSBuild.exe (PID: 2492)
    • Checks for external IP

      • MSBuild.exe (PID: 2492)
  • INFO

    • Reads settings of System Certificates

      • 56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe (PID: 1636)
      • MSBuild.exe (PID: 2492)
    • Checks supported languages

      • timeout.exe (PID: 2808)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

SnakeKeylogger

(PID) Process(2492) MSBuild.exe
Telegram ID5133877199:AAFVuTp8XYhOatmYAFHsEDxDtry0VhBaONc
Telegram TokenNull!
Exfil modeTelegram
No Malware configuration.

TRiD

.exe | Generic CIL Executable (.NET, Mono, etc.) (82.9)
.dll | Win32 Dynamic Link Library (generic) (7.4)
.exe | Win32 Executable (generic) (5.1)
.exe | Generic Win/DOS Executable (2.2)
.exe | DOS Executable Generic (2.2)

EXIF

EXE

AssemblyVersion: 6.11.0.0
ProductVersion: 6.11.0.0
ProductName: WinRAR
OriginalFileName: Vwrejybr.exe
LegalTrademarks: -
LegalCopyright: Copyright © Alexander Roshal 1993-2022
InternalName: Vwrejybr.exe
FileVersion: 6.11.0.0
FileDescription: WinRAR shell extension installer
CompanyName: Alexander Roshal
Comments: WinRAR shell extension installer
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 6.11.0.0
FileVersionNumber: 6.11.0.0
Subsystem: Windows GUI
SubsystemVersion: 6
ImageVersion: -
OSVersion: 4
EntryPoint: 0x361a
UninitializedDataSize: -
InitializedDataSize: 11264
CodeSize: 6144
LinkerVersion: 6
PEType: PE32
TimeStamp: 2022:05:20 09:48:34+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 20-May-2022 07:48:34
Comments: WinRAR shell extension installer
CompanyName: Alexander Roshal
FileDescription: WinRAR shell extension installer
FileVersion: 6.11.0.0
InternalName: Vwrejybr.exe
LegalCopyright: Copyright © Alexander Roshal 1993-2022
LegalTrademarks: -
OriginalFilename: Vwrejybr.exe
ProductName: WinRAR
ProductVersion: 6.11.0.0
Assembly Version: 6.11.0.0

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: 3
Time date stamp: 20-May-2022 07:48:34
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

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x00001620
0x00001800
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.3175
.rsrc
0x00004000
0x00002954
0x00002A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.45073
.reloc
0x00008000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0815394

Resources

Title
Entropy
Size
Codepage
Language
Type
1
4.94168
436
Latin 1 / Western European
UNKNOWN
RT_MANIFEST
2
5.46866
2560
Latin 1 / Western European
UNKNOWN
RT_ICON
3
4.6227
1536
Latin 1 / Western European
UNKNOWN
RT_ICON
32512
2.17194
48
Latin 1 / Western European
UNKNOWN
RT_GROUP_ICON

Imports

mscoree.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
37
Monitored processes
4
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start 56516426-056c-4dba-984b-979f68ab8d18 pdf.exe cmd.exe no specs timeout.exe no specs #SNAKE msbuild.exe

Process information

PID
CMD
Path
Indicators
Parent process
1636"C:\Users\admin\AppData\Local\Temp\56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe" C:\Users\admin\AppData\Local\Temp\56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe
Explorer.EXE
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR shell extension installer
Exit code:
0
Version:
6.11.0.0
Modules
Images
c:\users\admin\appdata\local\temp\56516426-056c-4dba-984b-979f68ab8d18 pdf.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
2624"C:\Windows\System32\cmd.exe" /c timeout 30C:\Windows\System32\cmd.exe56516426-056C-4DBA-984B-979F68AB8D18 pdf.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)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\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\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2808timeout 30C:\Windows\system32\timeout.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
timeout - pauses command processing
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\timeout.exe
c:\windows\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\msvcrt.dll
c:\windows\system32\usp10.dll
c:\windows\system32\ws2_32.dll
2492C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
MSBuild.exe
Version:
4.0.30319.34209 built by: FX452RTMGDR
Modules
Images
c:\windows\microsoft.net\framework\v4.0.30319\msbuild.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\shlwapi.dll
SnakeKeylogger
(PID) Process(2492) MSBuild.exe
Telegram ID5133877199:AAFVuTp8XYhOatmYAFHsEDxDtry0VhBaONc
Telegram TokenNull!
Exfil modeTelegram
Total events
6 550
Read events
6 488
Write events
62
Delete events
0

Modification events

(PID) Process:(1636) 56516426-056C-4DBA-984B-979F68AB8D18 pdf.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\56516426-056C-4DBA-984B-979F68AB8D18 pdf_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(1636) 56516426-056C-4DBA-984B-979F68AB8D18 pdf.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\56516426-056C-4DBA-984B-979F68AB8D18 pdf_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(1636) 56516426-056C-4DBA-984B-979F68AB8D18 pdf.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\56516426-056C-4DBA-984B-979F68AB8D18 pdf_RASAPI32
Operation:writeName:FileTracingMask
Value:
(PID) Process:(1636) 56516426-056C-4DBA-984B-979F68AB8D18 pdf.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\56516426-056C-4DBA-984B-979F68AB8D18 pdf_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
(PID) Process:(1636) 56516426-056C-4DBA-984B-979F68AB8D18 pdf.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\56516426-056C-4DBA-984B-979F68AB8D18 pdf_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(1636) 56516426-056C-4DBA-984B-979F68AB8D18 pdf.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\56516426-056C-4DBA-984B-979F68AB8D18 pdf_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(1636) 56516426-056C-4DBA-984B-979F68AB8D18 pdf.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\56516426-056C-4DBA-984B-979F68AB8D18 pdf_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(1636) 56516426-056C-4DBA-984B-979F68AB8D18 pdf.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\56516426-056C-4DBA-984B-979F68AB8D18 pdf_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(1636) 56516426-056C-4DBA-984B-979F68AB8D18 pdf.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\56516426-056C-4DBA-984B-979F68AB8D18 pdf_RASMANCS
Operation:writeName:FileTracingMask
Value:
(PID) Process:(1636) 56516426-056C-4DBA-984B-979F68AB8D18 pdf.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\56516426-056C-4DBA-984B-979F68AB8D18 pdf_RASMANCS
Operation:writeName:ConsoleTracingMask
Value:
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
163656516426-056C-4DBA-984B-979F68AB8D18 pdf.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\tttttttttttt\tttttttttttt.exeexecutable
MD5:51E45A0BE107E6DB044816E8BF736A11
SHA256:FAC95F09600BAF09BF16C0C46C4EB851FE16B678F95ADA7E0DE25EE0BF71C85D
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
4
DNS requests
3
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2492
MSBuild.exe
GET
200
193.122.130.0:80
http://checkip.dyndns.org/
US
html
104 b
shared
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
193.122.130.0:80
checkip.dyndns.org
Oracle Corporation
US
malicious
1636
56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe
162.159.129.233:443
cdn.discordapp.com
Cloudflare Inc
shared
2492
MSBuild.exe
149.154.167.220:443
api.telegram.org
Telegram Messenger LLP
GB
malicious

DNS requests

Domain
IP
Reputation
cdn.discordapp.com
  • 162.159.129.233
  • 162.159.134.233
  • 162.159.135.233
  • 162.159.133.233
  • 162.159.130.233
shared
checkip.dyndns.org
  • 193.122.130.0
  • 132.226.247.73
  • 158.101.44.242
  • 132.226.8.169
  • 193.122.6.168
shared
api.telegram.org
  • 149.154.167.220
shared

Threats

PID
Process
Class
Message
1636
56516426-056C-4DBA-984B-979F68AB8D18 pdf.exe
Misc activity
ET INFO Observed Discord Domain (discordapp .com in TLS SNI)
Misc activity
ET INFO DYNAMIC_DNS Query to *.dyndns. Domain
Misc activity
AV INFO Query to checkip.dyndns. Domain
2492
MSBuild.exe
Potential Corporate Privacy Violation
ET POLICY External IP Lookup - checkip.dyndns.org
Misc activity
ET INFO Telegram API Domain in DNS Lookup
2492
MSBuild.exe
Misc activity
ET INFO Observed Telegram API Domain (api .telegram .org in TLS SNI)
2492
MSBuild.exe
Misc activity
ET POLICY Telegram API Certificate Observed
1 ETPRO signatures available at the full report
No debug info