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File name:

Invoice.exe

Full analysis: https://app.any.run/tasks/962259b1-e664-4842-b274-a3f66c3f8f0e
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: April 15, 2019, 07:28:24
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 Mono/.Net assembly, for MS Windows
MD5:

DFCF279402323239BD452912DD0E856E

SHA1:

C04DE0B8ED57F9B50F2D19EADE00A79E56387C51

SHA256:

414FA8FF3F22F9EBB28B558F2D84C0261AB9CF9D4A529F144F009183AE31332D

SSDEEP:

12288:Ld/RBV2bd/RBV2qnE1KFnoqN6UzhA7rf:LFRP2bFRP2qnnrNlzhA7rf

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

      • audiodg.exe (PID: 2420)
    • Connects to CnC server

      • explorer.exe (PID: 252)
    • FORMBOOK was detected

      • explorer.exe (PID: 252)
    • Formbook was detected

      • audiodg.exe (PID: 2420)
      • Firefox.exe (PID: 2488)
    • Actions looks like stealing of personal data

      • audiodg.exe (PID: 2420)
    • Stealing of credential data

      • audiodg.exe (PID: 2420)
  • SUSPICIOUS

    • Application launched itself

      • Invoice.exe (PID: 2992)
    • Creates files in the user directory

      • audiodg.exe (PID: 2420)
    • Starts CMD.EXE for commands execution

      • audiodg.exe (PID: 2420)
    • Executable content was dropped or overwritten

      • explorer.exe (PID: 252)
      • DllHost.exe (PID: 1872)
    • Loads DLL from Mozilla Firefox

      • audiodg.exe (PID: 2420)
    • Creates files in the program directory

      • DllHost.exe (PID: 1872)
  • INFO

    • Creates files in the user directory

      • Firefox.exe (PID: 2488)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
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: 0.0.0.0
ProductVersion: 4.7.9.11
ProductName: inokojun
OriginalFileName: Invoice...exe
LegalCopyright: Copyright © 2010
InternalName: Invoice...exe
FileVersion: 4.7.9.11
FileDescription: inokojun
CompanyName: iyecuzejucanijakir
Comments: ovemikujorukameyajehuq
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 4.7.9.11
FileVersionNumber: 4.7.9.11
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x825de
UninitializedDataSize: -
InitializedDataSize: 108032
CodeSize: 525824
LinkerVersion: 8
PEType: PE32
TimeStamp: 1990:10:12 11:26:48+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 12-Oct-1990 10:26:48
Comments: ovemikujorukameyajehuq
CompanyName: iyecuzejucanijakir
FileDescription: inokojun
FileVersion: 4.7.9.11
InternalName: Invoice...exe
LegalCopyright: Copyright © 2010
OriginalFilename: Invoice...exe
ProductName: inokojun
ProductVersion: 4.7.9.11
Assembly Version: 0.0.0.0

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: 12-Oct-1990 10:26:48
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x000805E4
0x00080600
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
7.85311
.rsrc
0x00084000
0x0001A400
0x0001A400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.41493
.reloc
0x000A0000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.10191

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.00112
490
Latin 1 / Western European
UNKNOWN
RT_MANIFEST
50
3.38891
1128
UNKNOWN
UNKNOWN
RT_ICON
51
7.81481
5695
UNKNOWN
UNKNOWN
RT_ICON
52
3.07271
9640
UNKNOWN
UNKNOWN
RT_ICON
53
3.15711
4264
UNKNOWN
UNKNOWN
RT_ICON
54
2.77411
67624
UNKNOWN
UNKNOWN
RT_ICON
55
2.94779
16936
UNKNOWN
UNKNOWN
RT_ICON

Imports

mscoree.dll
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
41
Monitored processes
8
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start drop and start invoice.exe invoice.exe no specs #FORMBOOK audiodg.exe cmd.exe no specs #FORMBOOK explorer.exe #FORMBOOK firefox.exe no specs Copy/Move/Rename/Delete/Link Object ylr8p8tq.exe

Process information

PID
CMD
Path
Indicators
Parent process
2992"C:\Users\admin\Desktop\Invoice.exe" C:\Users\admin\Desktop\Invoice.exe
explorer.exe
User:
admin
Company:
iyecuzejucanijakir
Integrity Level:
MEDIUM
Description:
inokojun
Exit code:
0
Version:
4.7.9.11
Modules
Images
c:\users\admin\desktop\invoice.exe
c:\systemroot\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
3808"C:\Users\admin\Desktop\Invoice.exe"C:\Users\admin\Desktop\Invoice.exeInvoice.exe
User:
admin
Company:
iyecuzejucanijakir
Integrity Level:
MEDIUM
Description:
inokojun
Exit code:
0
Version:
4.7.9.11
Modules
Images
c:\users\admin\desktop\invoice.exe
c:\systemroot\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
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
2420"C:\Windows\System32\audiodg.exe"C:\Windows\System32\audiodg.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Audio Device Graph Isolation
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\audiodg.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\mmdevapi.dll
c:\windows\system32\sechost.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
3048/c del "C:\Users\admin\Desktop\Invoice.exe"C:\Windows\System32\cmd.exeaudiodg.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
252C:\Windows\Explorer.EXEC:\Windows\explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\winanr.dll
c:\windows\system32\mswsock.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
2488"C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe
audiodg.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
65.0.2
Modules
Images
c:\program files\mozilla firefox\firefox.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\program files\mozilla firefox\mozglue.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\dbghelp.dll
1872C:\Windows\system32\DllHost.exe /Processid:{3AD05575-8857-4850-9277-11B85BDB8E09}C:\Windows\system32\DllHost.exe
svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
COM Surrogate
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\dllhost.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
3412"C:\Program Files\Nr6ql\ylr8p8tq.exe"C:\Program Files\Nr6ql\ylr8p8tq.exe
explorer.exe
User:
admin
Company:
iyecuzejucanijakir
Integrity Level:
MEDIUM
Description:
inokojun
Exit code:
0
Version:
4.7.9.11
Modules
Images
c:\program files\nr6ql\ylr8p8tq.exe
c:\systemroot\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
Total events
1 772
Read events
1 770
Write events
2
Delete events
0

Modification events

(PID) Process:(2992) Invoice.exeKey:HKEY_CURRENT_USER
Operation:writeName:
Value:
-boot
(PID) Process:(2420) audiodg.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:3FRH3NTX-27
Value:
C:\Program Files\Nr6ql\ylr8p8tq.exe
Executable files
2
Suspicious files
82
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
2420audiodg.exeC:\Users\admin\AppData\Roaming\9KRM6P1E\9KRlogrc.inibinary
MD5:7DD5EF3DBBB351ACFC3671A6E0F49047
SHA256:BCD6E29EC1D7F26598284623704D15326637F2E083F4ADDB0A82FF876FDC2B99
252explorer.exeC:\Users\admin\AppData\Local\Temp\Nr6ql\ylr8p8tq.exeexecutable
MD5:DFCF279402323239BD452912DD0E856E
SHA256:414FA8FF3F22F9EBB28B558F2D84C0261AB9CF9D4A529F144F009183AE31332D
2420audiodg.exeC:\Users\admin\AppData\Roaming\9KRM6P1E\9KRlogri.inibinary
MD5:D63A82E5D81E02E399090AF26DB0B9CB
SHA256:EAECE2EBA6310253249603033C744DD5914089B0BB26BDE6685EC9813611BAAE
1872DllHost.exeC:\Program Files\Nr6ql\ylr8p8tq.exeexecutable
MD5:DFCF279402323239BD452912DD0E856E
SHA256:414FA8FF3F22F9EBB28B558F2D84C0261AB9CF9D4A529F144F009183AE31332D
2420audiodg.exeC:\Users\admin\AppData\Roaming\9KRM6P1E\9KRlogim.jpegimage
MD5:6C9999202E86CAD81AF4B1BD67139D90
SHA256:E982203D83A960BDB17D185C0DC875450B6459DDB549B9BE2A994386B5DE4C4C
2488Firefox.exeC:\Users\admin\AppData\Roaming\9KRM6P1E\9KRlogrf.inibinary
MD5:53028481B5B5795F1501241CCC7ABFF6
SHA256:75B5F3045E20C80F264568707E2D444DC7498DB119D9661AE51A91575960FC5A
2420audiodg.exeC:\Users\admin\AppData\Roaming\9KRM6P1E\9KRlogrv.inibinary
MD5:BA3B6BC807D4F76794C4B81B09BB9BA5
SHA256:6EEBF968962745B2E9DE2CA969AF7C424916D4E3FE3CC0BB9B3D414ABFCE9507
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
15
TCP/UDP connections
17
DNS requests
32
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
252
explorer.exe
GET
103.219.34.54:80
http://www.fkzae.com/th/?cx4=UeevndEJlra6k/CbB1XEiKEyCZjyPJANLV/EtUJHXXWeCFsPhXX/dgFEHnM4zJFS97YHHw==&Tj=Cp8LeFB&sql=1
CN
malicious
252
explorer.exe
GET
50.63.202.36:80
http://www.eventplanningmemphis.com/th/?cx4=of/OupQPuwgDTdeAIgQLFTXG9uSk2pIO0Aier7SJejx9rzOCpv1uMFgEh6PhnFZD4F/BCg==&Tj=Cp8LeFB
US
malicious
252
explorer.exe
GET
23.20.239.12:80
http://www.crystalcrystals.com/th/?cx4=K7p0p3KMBlbyRc8LoYrEYfOHmuHCzzR9R/8L6dNG7ynmdA65/2p+rQyQ584RNLy6KWhPmg==&Tj=Cp8LeFB&sql=1
US
shared
252
explorer.exe
GET
184.168.221.48:80
http://www.upnorthbeachwear.info/th/?cx4=WXLV6jWLqfk3Y7eybJemhqcudstJFx796nPhVWymg3YOfwb1vChHygumoH+LP+ej2PN2sA==&Tj=Cp8LeFB&sql=1
US
malicious
252
explorer.exe
GET
68.175.113.82:80
http://www.itogqnqod.com/th/?cx4=qAJ1lVqjJcZ+6cTEDbKM5j11L8dLQD0JZZcLMsRFlQ8cDH3IlNxWN4eQZkvnswGSOGe/kQ==&Tj=Cp8LeFB&sql=1
US
malicious
252
explorer.exe
POST
23.20.239.12:80
http://www.crystalcrystals.com/th/
US
shared
252
explorer.exe
POST
68.175.113.82:80
http://www.itogqnqod.com/th/
US
malicious
252
explorer.exe
POST
184.168.221.48:80
http://www.upnorthbeachwear.info/th/
US
malicious
252
explorer.exe
POST
184.168.221.48:80
http://www.upnorthbeachwear.info/th/
US
malicious
252
explorer.exe
POST
23.20.239.12:80
http://www.crystalcrystals.com/th/
US
shared
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
252
explorer.exe
103.219.34.54:80
www.fkzae.com
CN
malicious
252
explorer.exe
50.63.202.36:80
www.eventplanningmemphis.com
GoDaddy.com, LLC
US
malicious
252
explorer.exe
23.20.239.12:80
www.crystalcrystals.com
Amazon.com, Inc.
US
shared
252
explorer.exe
184.168.221.48:80
www.upnorthbeachwear.info
GoDaddy.com, LLC
US
malicious
252
explorer.exe
68.175.113.82:80
www.itogqnqod.com
Time Warner Cable Internet LLC
US
malicious
68.175.113.82:80
www.itogqnqod.com
Time Warner Cable Internet LLC
US
malicious

DNS requests

Domain
IP
Reputation
www.equifax.site
unknown
www.eventplanningmemphis.com
  • 50.63.202.36
malicious
www.hurtac.com
unknown
dns.msftncsi.com
  • 131.107.255.255
shared
www.gentle-forex.win
unknown
www.mqvkj.com
unknown
www.fkzae.com
  • 103.219.34.54
malicious
www.submit2article.com
unknown
www.crystalcrystals.com
  • 23.20.239.12
shared
www.upnorthbeachwear.info
  • 184.168.221.48
malicious

Threats

PID
Process
Class
Message
252
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (GET)
252
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (GET)
252
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST)
252
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (POST)
252
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (POST)
252
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST)
252
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (POST)
252
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (GET)
252
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST)
252
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (POST)
12 ETPRO signatures available at the full report
Process
Message
Invoice.exe
*** Status originated: -1073741471 *** Source File: d:\iso_whid\x86fre\base\isolation\id_parser.cpp, line 208
Invoice.exe
*** Status propagated: -1073741471 *** Source File: d:\iso_whid\x86fre\base\isolation\com\identityauthority.cpp, line 147
ylr8p8tq.exe
*** Status originated: -1073741471 *** Source File: d:\iso_whid\x86fre\base\isolation\id_parser.cpp, line 208
ylr8p8tq.exe
*** Status propagated: -1073741471 *** Source File: d:\iso_whid\x86fre\base\isolation\com\identityauthority.cpp, line 147