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download:

bf.exe

Full analysis: https://app.any.run/tasks/4f8fe61a-b715-4ba1-876b-ad46f053e2d7
Verdict: Malicious activity
Threats:

Agent Tesla is spyware that collects information about the actions of its victims by recording keystrokes and user interactions. It is falsely marketed as a legitimate software on the dedicated website where this malware is sold.

Analysis date: January 10, 2019, 19:12:08
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
evasion
trojan
rat
agenttesla
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

C2FF4C2B72CB54824AD37684A8D134B7

SHA1:

E182B34D394AEDAAA2E0D0603094FF4E1289E398

SHA256:

560F738A0F9108C24587EB6BDFD8025438A738D3105BD79F2C83E66E117F459F

SSDEEP:

24576:qKAtnyi2l2/kgGKvZooquL/GqnNZ0Dqrz6gXeR7eQ:qKjW2uaQ5FrQ

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

      • bf.exe (PID: 3332)
    • Actions looks like stealing of personal data

      • bf.exe (PID: 3332)
    • AGENTTESLA was detected

      • bf.exe (PID: 3332)
  • SUSPICIOUS

    • Application launched itself

      • bf.exe (PID: 3132)
    • Executable content was dropped or overwritten

      • bf.exe (PID: 3332)
    • Loads DLL from Mozilla Firefox

      • bf.exe (PID: 3332)
    • Connects to SMTP port

      • bf.exe (PID: 3332)
    • Checks for external IP

      • bf.exe (PID: 3332)
  • INFO

    • Reads settings of System Certificates

      • bf.exe (PID: 3332)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable Delphi generic (37.4)
.scr | Windows screen saver (34.5)
.exe | Win32 Executable (generic) (11.9)
.exe | Win16/32 Executable Delphi generic (5.4)
.exe | Generic Win/DOS Executable (5.2)

EXIF

EXE

Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x864f8
UninitializedDataSize: -
InitializedDataSize: 409600
CodeSize: 546304
LinkerVersion: 2.25
PEType: PE32
TimeStamp: 1992:02:17 05:36:06+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 17-Feb-1992 04:36:06
Detected languages:
  • English - United States

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: 8
Time date stamp: 17-Feb-1992 04:36:06
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

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
CODE
0x00001000
0x00085540
0x00085600
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.51825
DATA
0x00087000
0x00009310
0x00009400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
5.3296
BSS
0x00091000
0x00000E81
0x00000000
IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.idata
0x00092000
0x000024EE
0x00002600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.94542
.tls
0x00095000
0x00000010
0x00000000
IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.rdata
0x00096000
0x00000018
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED
0.20692
.reloc
0x00097000
0x00009EA0
0x0000A000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED
6.60952
.rsrc
0x000A1000
0x0004E20C
0x0004E400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED
7.33856

Resources

Title
Entropy
Size
Codepage
Language
Type
1
6.09417
2216
Latin 1 / Western European
English - United States
RT_ICON
2
2.80231
308
Latin 1 / Western European
UNKNOWN
RT_CURSOR
3
3.00046
308
Latin 1 / Western European
UNKNOWN
RT_CURSOR
4
2.56318
308
Latin 1 / Western European
UNKNOWN
RT_CURSOR
5
2.6949
308
Latin 1 / Western European
UNKNOWN
RT_CURSOR
6
2.62527
308
Latin 1 / Western European
UNKNOWN
RT_CURSOR
7
2.91604
308
Latin 1 / Western European
UNKNOWN
RT_CURSOR
8
2.6633
308
Latin 1 / Western European
UNKNOWN
RT_CURSOR
832
7.16206
3148
Latin 1 / Western European
English - United States
RT_BITMAP
833
7.59179
3148
Latin 1 / Western European
English - United States
RT_BITMAP

Imports

advapi32.dll
comctl32.dll
comdlg32.dll
gdi32.dll
kernel32.dll
oleaut32.dll
user32.dll
version.dll
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
32
Monitored processes
2
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start bf.exe no specs #AGENTTESLA bf.exe

Process information

PID
CMD
Path
Indicators
Parent process
3132"C:\Users\admin\AppData\Local\Temp\bf.exe" C:\Users\admin\AppData\Local\Temp\bf.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
3332"C:\Users\admin\AppData\Local\Temp\bf.exe" C:\Users\admin\AppData\Local\Temp\bf.exe
bf.exe
User:
admin
Integrity Level:
MEDIUM
Total events
84
Read events
61
Write events
23
Delete events
0

Modification events

(PID) Process:(3332) bf.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:MyApp
Value:
C:\Users\admin\AppData\Local\Temp\MyApp\MyApp.exe
(PID) Process:(3332) bf.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\5F\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3332) bf.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bf_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(3332) bf.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bf_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(3332) bf.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bf_RASAPI32
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(3332) bf.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bf_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
4294901760
(PID) Process:(3332) bf.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bf_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(3332) bf.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bf_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(3332) bf.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bf_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(3332) bf.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\bf_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
3332bf.exeC:\Users\admin\AppData\Local\Temp\MyApp\MyApp.exeexecutable
MD5:C2FF4C2B72CB54824AD37684A8D134B7
SHA256:560F738A0F9108C24587EB6BDFD8025438A738D3105BD79F2C83E66E117F459F
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
2
DNS requests
2
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3332
bf.exe
GET
200
34.233.102.38:80
http://checkip.amazonaws.com/
US
text
14 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
3332
bf.exe
185.20.209.34:587
smtp.zoho.eu
Computerline GmbH
CH
malicious
3332
bf.exe
34.233.102.38:80
checkip.amazonaws.com
Amazon.com, Inc.
US
shared

DNS requests

Domain
IP
Reputation
smtp.zoho.eu
  • 185.20.209.34
shared
checkip.amazonaws.com
  • 34.233.102.38
  • 34.196.82.108
  • 52.202.139.131
  • 18.233.42.138
  • 52.200.143.163
  • 52.200.125.74
shared

Threats

PID
Process
Class
Message
3332
bf.exe
Generic Protocol Command Decode
SURICATA Applayer Detect protocol only one direction
3332
bf.exe
A Network Trojan was detected
MALWARE [PTsecurity] AgentTesla IP Check
2 ETPRO signatures available at the full report
No debug info