File name:

한석 이엔지.exe

Full analysis: https://app.any.run/tasks/f7ab1ddf-a8d7-4045-bedb-0be32808d66a
Verdict: Malicious activity
Threats:

FormBook is a data stealer that is being distributed as a MaaS. FormBook differs from a lot of competing malware by its extreme ease of use that allows even the unexperienced threat actors to use FormBook virus.

Analysis date: March 31, 2020, 06:59:27
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
trojan
formbook
stealer
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

EDDBB508D2F1B0C360692EC48297E0A5

SHA1:

437C02A96E258AD5186308B7249AD99479EDB00A

SHA256:

E0181F67766B1A6B48754EB6D8F0DEC32C0A0C6B3A1AD5E7D6CCFBF47D73F82B

SSDEEP:

768:H2tIu9L0CWpq+7HMnSMYjGY3wNzRlkDScNdQZPwoRJJrG8wFXQZdAI:HhupWE+itMGY3KHk2cNdQZPTjwFXxI

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

      • filename1.exe (PID: 2344)
      • 한석 이엔지.exe (PID: 3756)
      • taskhost.exe (PID: 4064)
    • Connects to CnC server

      • explorer.exe (PID: 372)
    • FORMBOOK was detected

      • explorer.exe (PID: 372)
      • taskhost.exe (PID: 4064)
    • Actions looks like stealing of personal data

      • taskhost.exe (PID: 4064)
    • Stealing of credential data

      • taskhost.exe (PID: 4064)
    • Changes settings of System certificates

      • filename1.exe (PID: 3976)
  • SUSPICIOUS

    • Application launched itself

      • 한석 이엔지.exe (PID: 3756)
      • filename1.exe (PID: 2344)
    • Executable content was dropped or overwritten

      • 한석 이엔지.exe (PID: 3720)
    • Reads Internet Cache Settings

      • filename1.exe (PID: 3976)
    • Starts CMD.EXE for commands execution

      • taskhost.exe (PID: 4064)
    • Creates files in the user directory

      • filename1.exe (PID: 3976)
      • taskhost.exe (PID: 4064)
    • Loads DLL from Mozilla Firefox

      • taskhost.exe (PID: 4064)
    • Adds / modifies Windows certificates

      • filename1.exe (PID: 3976)
  • INFO

    • Reads the hosts file

      • taskhost.exe (PID: 4064)
    • Manual execution by user

      • taskhost.exe (PID: 4064)
    • Reads settings of System Certificates

      • filename1.exe (PID: 3976)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable Microsoft Visual Basic 6 (84.4)
.dll | Win32 Dynamic Link Library (generic) (6.7)
.exe | Win32 Executable (generic) (4.6)
.exe | Generic Win/DOS Executable (2)
.exe | DOS Executable Generic (2)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2008:01:14 05:53:28+01:00
PEType: PE32
LinkerVersion: 6
CodeSize: 90112
InitializedDataSize: 8192
UninitializedDataSize: -
EntryPoint: 0x1318
OSVersion: 4
ImageVersion: 1
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 1.0.0.0
ProductVersionNumber: 1.0.0.0
FileFlagsMask: 0x0000
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Unicode
Comments: WONDerware
CompanyName: WONDerware
FileDescription: stimulati
ProductName: FIRSP
FileVersion: 1
ProductVersion: 1
InternalName: Backb3
OriginalFileName: Backb3.exe

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 14-Jan-2008 04:53:28
Detected languages:
  • English - United States
Comments: WONDerware
CompanyName: WONDerware
FileDescription: stimulati
ProductName: FIRSP
FileVersion: 1.00
ProductVersion: 1.00
InternalName: Backb3
OriginalFilename: Backb3.exe

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: 0x000000C8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 14-Jan-2008 04:53:28
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
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x000156E4
0x00016000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
4.78291
.data
0x00017000
0x00000B90
0x00001000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.rsrc
0x00018000
0x00000938
0x00001000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
2.04646

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.20165
632
Unicode (UTF 16LE)
English - United States
RT_VERSION
30001
2.57965
304
Unicode (UTF 16LE)
UNKNOWN
RT_ICON
30002
1.76987
744
Unicode (UTF 16LE)
UNKNOWN
RT_ICON
30003
2.07177
296
Unicode (UTF 16LE)
UNKNOWN
RT_ICON

Imports

MSVBVM60.DLL
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
40
Monitored processes
7
Malicious processes
6
Suspicious processes
0

Behavior graph

Click at the process to see the details
start drop and start 한석 이엔지.exe 한석 이엔지.exe filename1.exe filename1.exe #FORMBOOK taskhost.exe cmd.exe no specs #FORMBOOK explorer.exe

Process information

PID
CMD
Path
Indicators
Parent process
372C:\Windows\Explorer.EXEC:\Windows\explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\winanr.dll
c:\windows\system32\wshtcpip.dll
c:\windows\explorer.exe
c:\windows\system32\ntdll.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
2344"C:\Users\admin\subfolder1\filename1.exe" C:\Users\admin\subfolder1\filename1.exe
한석 이엔지.exe
User:
admin
Company:
WONDerware
Integrity Level:
MEDIUM
Description:
stimulati
Exit code:
0
Version:
1.00
Modules
Images
c:\users\admin\subfolder1\filename1.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvbvm60.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
3612/c del "C:\Users\admin\subfolder1\filename1.exe"C:\Windows\System32\cmd.exetaskhost.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:\systemroot\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\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
3720"C:\Users\admin\AppData\Local\Temp\한석 이엔지.exe" C:\Users\admin\AppData\Local\Temp\한석 이엔지.exe
한석 이엔지.exe
User:
admin
Company:
WONDerware
Integrity Level:
MEDIUM
Description:
stimulati
Exit code:
0
Version:
1.00
Modules
Images
c:\windows\system32\mfc40.dll
c:\users\admin\appdata\local\temp\한석 이엔지.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt40.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
3756"C:\Users\admin\AppData\Local\Temp\한석 이엔지.exe" C:\Users\admin\AppData\Local\Temp\한석 이엔지.exe
explorer.exe
User:
admin
Company:
WONDerware
Integrity Level:
MEDIUM
Description:
stimulati
Exit code:
0
Version:
1.00
Modules
Images
c:\users\admin\appdata\local\temp\한석 이엔지.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvbvm60.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
3976"C:\Users\admin\subfolder1\filename1.exe" C:\Users\admin\subfolder1\filename1.exe
filename1.exe
User:
admin
Company:
WONDerware
Integrity Level:
MEDIUM
Description:
stimulati
Exit code:
0
Version:
1.00
Modules
Images
c:\windows\system32\mfc40.dll
c:\users\admin\subfolder1\filename1.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt40.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
4064"C:\Windows\System32\taskhost.exe"C:\Windows\System32\taskhost.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Host Process for Windows Tasks
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\taskhost.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
Total events
3 951
Read events
377
Write events
2 387
Delete events
1 187

Modification events

(PID) Process:(372) explorer.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(3756) 한석 이엔지.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
Operation:writeName:Startup key
Value:
C:\Users\admin\subfolder1\filename1.vbs
(PID) Process:(3720) 한석 이엔지.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3720) 한석 이엔지.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3976) filename1.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
Operation:writeName:ProxyEnable
Value:
0
(PID) Process:(3976) filename1.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
Operation:writeName:SavedLegacySettings
Value:
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
(PID) Process:(3976) filename1.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3976) filename1.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3976) filename1.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(3976) filename1.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
Executable files
1
Suspicious files
71
Text files
3
Unknown types
2

Dropped files

PID
Process
Filename
Type
3976filename1.exeC:\Users\admin\AppData\Local\Temp\CabA679.tmp
MD5:
SHA256:
3976filename1.exeC:\Users\admin\AppData\Local\Temp\TarA67A.tmp
MD5:
SHA256:
3976filename1.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6BADA8974A10C4BD62CC921D13E43B18_D9817BD5013875AD517DA73475345203der
MD5:
SHA256:
3720한석 이엔지.exeC:\Users\admin\subfolder1\filename1.exeexecutable
MD5:
SHA256:
3976filename1.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_C9FB72B5AE80778A08024D8B0FDECC6Fbinary
MD5:
SHA256:
3720한석 이엔지.exeC:\Users\admin\subfolder1\filename1.vbstext
MD5:
SHA256:
3976filename1.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_D9817BD5013875AD517DA73475345203binary
MD5:
SHA256:
4064taskhost.exeC:\Users\admin\AppData\Roaming\LKA23647\LKAlogrc.inibinary
MD5:
SHA256:
3976filename1.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\AL4IOH5R.txttext
MD5:
SHA256:
3976filename1.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6BADA8974A10C4BD62CC921D13E43B18_C9FB72B5AE80778A08024D8B0FDECC6Fder
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
3
TCP/UDP connections
4
DNS requests
4
Threats
3

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
372
explorer.exe
GET
206.189.40.183:80
http://www.pakerp.com/sa22/?EzLTrT=Ebhnt7oLtFKEynER6R4K3CQEqU9rik0dVpQBB5wGWrA6UkNVqqqQn8ARnYw5LTDobKwQ2g==&FBch=0nz4ANsPzzSh-JNp
US
malicious
3976
filename1.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA8sEMlbBsCTf7jUSfg%2BhWk%3D
US
der
1.47 Kb
whitelisted
3976
filename1.exe
GET
200
93.184.220.29:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEAtqs7A%2Bsan2xGCSaqjN%2FrM%3D
US
der
1.47 Kb
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3976
filename1.exe
13.107.42.12:443
hmhxvw.dm.files.1drv.com
Microsoft Corporation
US
suspicious
3976
filename1.exe
93.184.220.29:80
ocsp.digicert.com
MCI Communications Services, Inc. d/b/a Verizon Business
US
whitelisted
372
explorer.exe
206.189.40.183:80
www.pakerp.com
US
malicious
3976
filename1.exe
13.107.42.13:443
onedrive.live.com
Microsoft Corporation
US
malicious

DNS requests

Domain
IP
Reputation
onedrive.live.com
  • 13.107.42.13
shared
ocsp.digicert.com
  • 93.184.220.29
whitelisted
hmhxvw.dm.files.1drv.com
  • 13.107.42.12
whitelisted
www.pakerp.com
  • 206.189.40.183
malicious

Threats

PID
Process
Class
Message
372
explorer.exe
Generic Protocol Command Decode
SURICATA HTTP Unexpected Request body
372
explorer.exe
A Network Trojan was detected
SPYWARE [PTsecurity] FormBook
1 ETPRO signatures available at the full report
No debug info