General Info

File name

BerserkBear Downloader.bin

Full analysis
https://app.any.run/tasks/906db9d5-547d-45cf-a586-ee222acbe911
Verdict
Malicious activity
Analysis date
7/31/2018, 21:24:10
OS:
Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:

trojan

Indicators:

MIME:
application/x-dosexec
File info:
PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows
MD5

f7c5d117c91bd22fa17d2d5444ff7ab7

SHA1

df74d60e69213dec424f1d2c02554a7cd36efded

SHA256

cb3306aecb05fccaac51a036f361991745a4ef90d8d9ec713d783c88605ea556

SSDEEP

49152:CnJ97kOsg9TmxMjVGu8e6BYjJOcxCOInS35WmxWTj:k97n9TIMCpYjEYyj

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.

Software environment set and analysis options

Launch configuration

Task duration
60 seconds
Additional time used
none
Fakenet option
off
Heavy Evaision option
off
MITM proxy
off
Route via Tor
off
Network geolocation
off
Privacy
Public submission
Autoconfirmation of UAC
on

Software preset

  • Internet Explorer 8.0.7601.17514
  • Adobe Acrobat Reader DC MUI (15.007.20033)
  • Adobe Flash Player 27 ActiveX (27.0.0.187)
  • Adobe Flash Player 27 NPAPI (27.0.0.187)
  • Adobe Flash Player 27 PPAPI (27.0.0.187)
  • CCleaner (5.35)
  • FileZilla Client 3.31.0 (3.31.0)
  • Google Chrome (61.0.3163.91)
  • Google Update Helper (1.3.33.5)
  • Java 8 Update 92 (8.0.920.14)
  • Java Auto Updater (2.8.92.14)
  • Microsoft .NET Framework 4.6.1 (4.6.01055)
  • Microsoft Office Access MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office Access Setup Metadata MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office Excel MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office Home and Business 2010 (14.0.6029.1000)
  • Microsoft Office OneNote MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office Outlook MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office PowerPoint MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office Proof (English) 2010 (14.0.6029.1000)
  • Microsoft Office Proof (French) 2010 (14.0.6029.1000)
  • Microsoft Office Proof (Spanish) 2010 (14.0.6029.1000)
  • Microsoft Office Proofing (English) 2010 (14.0.6029.1000)
  • Microsoft Office Publisher MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office Shared MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office Shared Setup Metadata MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office Single Image 2010 (14.0.6029.1000)
  • Microsoft Office Word MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.6161 (9.0.30729.6161)
  • Microsoft Visual C++ 2010 x86 Redistributable - 10.0.40219 (10.0.40219)
  • Microsoft Visual C++ 2013 Redistributable (x86) - 12.0.40660 (12.0.40660.0)
  • Microsoft Visual C++ 2013 x86 Additional Runtime - 12.0.40660 (12.0.40660)
  • Microsoft Visual C++ 2013 x86 Minimum Runtime - 12.0.40660 (12.0.40660)
  • Microsoft Visual C++ 2017 Redistributable (x86) - 14.11.25325 (14.11.25325.0)
  • Microsoft Visual C++ 2017 x86 Additional Runtime - 14.11.25325 (14.11.25325)
  • Microsoft Visual C++ 2017 x86 Minimum Runtime - 14.11.25325 (14.11.25325)
  • Mozilla Firefox 55.0.3 (x86 en-US) (55.0.3)
  • Mozilla Maintenance Service (55.0.3)
  • Notepad++ (32-bit x86) (7.5.1)
  • Opera 12.15 (12.15.1748)
  • Skype™ 7.39 (7.39.102)
  • Steam (2.10.91.91)
  • VLC media player (2.2.6)
  • WinRAR 5.60 (32-bit) (5.60.0)

Hotfixes

  • Client LanguagePack Package
  • Client Refresh LanguagePack Package
  • CodecPack Basic Package
  • Foundation Package
  • IE Troubleshooters Package
  • InternetExplorer Optional Package
  • KB2534111
  • KB2999226
  • KB976902
  • LocalPack AU Package
  • LocalPack CA Package
  • LocalPack GB Package
  • LocalPack US Package
  • LocalPack ZA Package
  • ProfessionalEdition
  • UltimateEdition

Behavior activities

MALICIOUS SUSPICIOUS INFO
Connects to CnC server
  • BerserkBear Downloader.bin.exe (PID: 3436)

No suspicious indicators.

No info indicators.

Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

Static information

TRiD
.exe
|   Win32 Executable (generic) (52.7%)
.exe
|   Generic Win/DOS Executable (23.4%)
.exe
|   DOS Executable Generic (23.4%)
.vxd
|   VXD Driver (0.3%)
EXIF
EXE
MachineType:
Intel 386 or later, and compatibles
TimeStamp:
0000:00:00 00:00:00
PEType:
PE32
LinkerVersion:
3
CodeSize:
2978304
InitializedDataSize:
163328
UninitializedDataSize:
null
EntryPoint:
0x4a7e0
OSVersion:
4
ImageVersion:
1
SubsystemVersion:
4
Subsystem:
Windows GUI
Summary
Architecture:
IMAGE_FILE_MACHINE_I386
Subsystem:
IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date:
01-Jan-1970 00:00:00
DOS Header
Magic number:
MZ
Bytes on last page of file:
0x0090
Pages in file:
0x0003
Relocations:
0x0004
Size of header:
0x0000
Min extra paragraphs:
0x0000
Max extra paragraphs:
0xFFFF
Initial SS value:
0x0000
Initial SP value:
0x008B
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:
4
Time date stamp:
01-Jan-1970 00:00:00
Pointer to Symbol Table:
0x002FF800
Number of symbols:
0
Size of Optional Header:
0x00E0
Characteristics
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_RELOCS_STRIPPED
Sections
Name Virtual Address Virtual Size Raw Size Charateristics Entropy
.text 0x00001000 0x002D70D2 0x002D7200 IMAGE_SCN_CNT_CODE,IMAGE_SCN_CNT_INITIALIZED_DATA,IMAGE_SCN_MEM_EXECUTE,IMAGE_SCN_MEM_READ 6.19264
.data 0x002D9000 0x0003E5E0 0x00027E00 IMAGE_SCN_CNT_INITIALIZED_DATA,IMAGE_SCN_MEM_READ,IMAGE_SCN_MEM_WRITE 5.73496
.idata 0x00318000 0x000003D2 0x00000400 IMAGE_SCN_CNT_INITIALIZED_DATA,IMAGE_SCN_MEM_READ,IMAGE_SCN_MEM_WRITE 3.9294
.symtab 0x00319000 0x00000004 0x00000200 IMAGE_SCN_MEM_DISCARDABLE,IMAGE_SCN_MEM_READ 0.0203931
Resources

No resources.

Imports
    KERNEL32.DLL

    winmm.dll

    ws2_32.dll

Exports

    No exports.

Screenshots

Processes

Total processes
33
Monitored processes
1
Malicious processes
0
Suspicious processes
0

Behavior graph

+
start berserkbear downloader.bin.exe
Specs description
Program did not start
Integrity level elevation
Task сontains an error or was rebooted
Process has crashed
Task contains several apps running
Executable file was dropped
Debug information is available
Process was injected
Network attacks were detected
Application downloaded the executable file
Actions similar to stealing personal data
Behavior similar to exploiting the vulnerability
Inspected object has sucpicious PE structure
File is detected by antivirus software
CPU overrun
RAM overrun
Process starts the services
Process was added to the startup
Behavior similar to spam
Low-level access to the HDD
Probably Tor was used
System was rebooted
Connects to the network
Known threat

Process information

Click at the process to see the details.

PID
3436
CMD
"C:\Users\admin\AppData\Local\Temp\BerserkBear Downloader.bin.exe"
Path
C:\Users\admin\AppData\Local\Temp\BerserkBear Downloader.bin.exe
Indicators
Parent process
––
User
admin
Integrity Level
MEDIUM
Version:
Company
Description
Version
Modules
Image
c:\users\admin\appdata\local\temp\berserkbear downloader.bin.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\winmm.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\usp10.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\windows\system32\imm32.dll
c:\windows\system32\msctf.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\cryptbase.dll
c:\windows\system32\shell32.dll
c:\windows\system32\shlwapi.dll
c:\windows\system32\wshtcpip.dll
c:\windows\system32\wship6.dll
c:\windows\system32\wshqos.dll
c:\windows\system32\mswsock.dll
c:\windows\system32\cryptsp.dll
c:\windows\system32\rsaenh.dll

Registry activity

Total events
7
Read events
7
Write events
0
Delete events
0

Modification events

No registry activity.

Files activity

Executable files
0
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

No files activity.

Network activity

HTTP(S) requests
1
TCP/UDP connections
1
DNS requests
0
Threats
2

HTTP requests

PID Process Method HTTP Code IP URL CN Type Size Reputation
3436 BerserkBear Downloader.bin.exe GET 404 82.222.188.18:80 http://82.222.188.18/aspnet_client/system_web/4_0_30319/update/DefaultForm.txt?28e=ea5ebbddc9009bde0a4ba2e3cf3e2d08&pfr=881456FCno&85f=c760f4a80281c4c85f1720a94b1582a0 TR
html
malicious

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID Process IP ASN CN Reputation
3436 BerserkBear Downloader.bin.exe 82.222.188.18:80 Tellcom Iletisim Hizmetleri A.s. TR malicious

DNS requests

No DNS requests.

Threats

PID Process Class Message
3436 BerserkBear Downloader.bin.exe A Network Trojan was detected ET TROJAN Dragonfly Backdoor.Goodor Go Implant CnC Beacon 1
3436 BerserkBear Downloader.bin.exe Misc activity ET USER_AGENTS Go HTTP Client User-Agent

Debug output strings

No debug info.