File name:

479BS21.exe

Full analysis: https://app.any.run/tasks/5c05cf38-3b7b-422e-af05-1b9124fc2fe7
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 24, 2019, 03:17:56
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:

437AAE2924ED3AEC9525045760CBE550

SHA1:

288942A1FDF0BAF92DD272740298D55FE142486A

SHA256:

E2CE1872E8BE9A52760EE4E6CEF87C54B1C131AE2DF677FB33806E3B7460E98D

SSDEEP:

12288:+NnhrSNopWo0fefOo30ZexswGVihpTneBO7SrIBQCXoaqtWjdJZ2rC51/l:+rrrCGfOo3dZGgEysIBQKdJZ

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

    • Connects to CnC server

      • explorer.exe (PID: 116)
    • FORMBOOK was detected

      • explorer.exe (PID: 116)
    • Actions looks like stealing of personal data

      • cscript.exe (PID: 3464)
    • Stealing of credential data

      • cscript.exe (PID: 3464)
    • Changes the autorun value in the registry

      • cscript.exe (PID: 3464)
    • Formbook was detected

      • cscript.exe (PID: 3464)
      • Firefox.exe (PID: 3136)
  • SUSPICIOUS

    • Starts CMD.EXE for commands execution

      • cscript.exe (PID: 3464)
    • Application launched itself

      • 479BS21.exe (PID: 2076)
    • Creates files in the program directory

      • DllHost.exe (PID: 2744)
    • Creates files in the user directory

      • cscript.exe (PID: 3464)
    • Loads DLL from Mozilla Firefox

      • cscript.exe (PID: 3464)
    • Executable content was dropped or overwritten

      • explorer.exe (PID: 116)
      • DllHost.exe (PID: 2744)
    • Executes scripts

      • explorer.exe (PID: 116)
  • INFO

    • Creates files in the user directory

      • Firefox.exe (PID: 3136)
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

MachineType: Intel 386 or later, and compatibles
TimeStamp: 1992:02:16 12:00:59+01:00
PEType: PE32
LinkerVersion: 2.25
CodeSize: 459264
InitializedDataSize: 283136
UninitializedDataSize: -
EntryPoint: 0x71138
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 1.1.1.0
ProductVersionNumber: 1.1.1.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: Update
CompanyName: GitHub
FileDescription: Update
FileVersion: 1.1.1.0
InternalName: Update.exe
LegalCopyright: Copyright © GitHub 2013-2015
LegalTrademarks: -
OriginalFileName: Update.exe
ProductName: Update
ProductVersion: 1.1.1.0
AssemblyVersion: 1.1.1.0

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 16-Feb-1992 11:00:59
Detected languages:
  • English - United States
Comments: Update
CompanyName: GitHub
FileDescription: Update
FileVersion: 1.1.1.0
InternalName: Update.exe
LegalCopyright: Copyright © GitHub 2013-2015
LegalTrademarks: -
OriginalFilename: Update.exe
ProductName: Update
ProductVersion: 1.1.1.0
Assembly Version: 1.1.1.0

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: 16-Feb-1992 11:00:59
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
0x00070180
0x00070200
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.53701
DATA
0x00072000
0x00007330
0x00007400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
5.79292
BSS
0x0007A000
0x00000DD5
0x00000000
IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.idata
0x0007B000
0x00002570
0x00002600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
5.01493
.tls
0x0007E000
0x00000010
0x00000000
IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.rdata
0x0007F000
0x00000018
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED
0.195201
.reloc
0x00080000
0x00007CB8
0x00007E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED
6.64617
.rsrc
0x00088000
0x000336B4
0x00033800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED
7.52944

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.32305
828
Latin 1 / Western European
English - United States
RT_VERSION
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
746
6.0153
7553
Latin 1 / Western European
English - United States
RT_CURSOR
747
7.41628
7553
Latin 1 / Western European
English - United States
RT_CURSOR
748
7.53846
7553
Latin 1 / Western European
English - United States
RT_CURSOR

Imports

advapi32.dll
comctl32.dll
comdlg32.dll
gdi32.dll
kernel32.dll
ole32.dll
oleaut32.dll
user32.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
45
Monitored processes
9
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start drop and start 479bs21.exe 479bs21.exe no specs #FORMBOOK cscript.exe cmd.exe no specs #FORMBOOK explorer.exe Copy/Move/Rename/Delete/Link Object hbcxftbpd8i8.exe no specs #FORMBOOK firefox.exe no specs 479bs21.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
116C:\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\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
1516"C:\Users\admin\AppData\Local\Temp\479BS21.exe" C:\Users\admin\AppData\Local\Temp\479BS21.exeexplorer.exe
User:
admin
Company:
GitHub
Integrity Level:
MEDIUM
Description:
Update
Exit code:
3221226540
Version:
1.1.1.0
Modules
Images
c:\users\admin\appdata\local\temp\479bs21.exe
c:\systemroot\system32\ntdll.dll
2076"C:\Users\admin\AppData\Local\Temp\479BS21.exe" C:\Users\admin\AppData\Local\Temp\479BS21.exe
explorer.exe
User:
admin
Company:
GitHub
Integrity Level:
HIGH
Description:
Update
Exit code:
0
Version:
1.1.1.0
Modules
Images
c:\users\admin\appdata\local\temp\479bs21.exe
c:\systemroot\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\advapi32.dll
2744C:\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
3136"C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe
cscript.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
3464"C:\Windows\System32\cscript.exe"C:\Windows\System32\cscript.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft ® Console Based Script Host
Exit code:
0
Version:
5.8.7600.16385
Modules
Images
c:\windows\system32\cscript.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
3696"C:\Users\admin\AppData\Local\Temp\479BS21.exe" C:\Users\admin\AppData\Local\Temp\479BS21.exe479BS21.exe
User:
admin
Company:
GitHub
Integrity Level:
HIGH
Description:
Update
Exit code:
0
Version:
1.1.1.0
Modules
Images
c:\users\admin\appdata\local\temp\479bs21.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\sspicli.dll
3700"C:\Program Files\Bmzfxv\hbcxftbpd8i8.exe"C:\Program Files\Bmzfxv\hbcxftbpd8i8.exeexplorer.exe
User:
admin
Company:
GitHub
Integrity Level:
MEDIUM
Description:
Update
Exit code:
3221226540
Version:
1.1.1.0
Modules
Images
c:\program files\bmzfxv\hbcxftbpd8i8.exe
c:\systemroot\system32\ntdll.dll
3772/c del "C:\Users\admin\AppData\Local\Temp\479BS21.exe"C:\Windows\System32\cmd.execscript.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\kernelbase.dll
c:\windows\system32\kernel32.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
Total events
70
Read events
69
Write events
1
Delete events
0

Modification events

(PID) Process:(3464) cscript.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:YJMLDBRX8PX
Value:
C:\Program Files\Bmzfxv\hbcxftbpd8i8.exe
Executable files
2
Suspicious files
80
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
3464cscript.exeC:\Users\admin\AppData\Roaming\5KOR5UTE\5KOlogrc.inibinary
MD5:
SHA256:
3464cscript.exeC:\Users\admin\AppData\Roaming\5KOR5UTE\5KOlogim.jpegimage
MD5:
SHA256:
3136Firefox.exeC:\Users\admin\AppData\Roaming\5KOR5UTE\5KOlogrf.inibinary
MD5:
SHA256:
2744DllHost.exeC:\Program Files\Bmzfxv\hbcxftbpd8i8.exeexecutable
MD5:
SHA256:
3464cscript.exeC:\Users\admin\AppData\Roaming\5KOR5UTE\5KOlogri.inibinary
MD5:D63A82E5D81E02E399090AF26DB0B9CB
SHA256:EAECE2EBA6310253249603033C744DD5914089B0BB26BDE6685EC9813611BAAE
116explorer.exeC:\Users\admin\AppData\Local\Temp\Bmzfxv\hbcxftbpd8i8.exeexecutable
MD5:
SHA256:
3464cscript.exeC:\Users\admin\AppData\Roaming\5KOR5UTE\5KOlogrv.inibinary
MD5:BA3B6BC807D4F76794C4B81B09BB9BA5
SHA256:6EEBF968962745B2E9DE2CA969AF7C424916D4E3FE3CC0BB9B3D414ABFCE9507
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
20
TCP/UDP connections
21
DNS requests
9
Threats
34

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
116
explorer.exe
POST
74.208.236.197:80
http://www.hemingwaydevere.com/mo/
US
malicious
116
explorer.exe
POST
180.166.211.84:80
http://www.imayflower.com/mo/
CN
malicious
116
explorer.exe
POST
68.65.121.96:80
http://www.xinboz.com/mo/
US
malicious
116
explorer.exe
POST
185.230.62.177:80
http://www.educateme101.com/mo/
unknown
malicious
116
explorer.exe
POST
74.208.236.197:80
http://www.hemingwaydevere.com/mo/
US
malicious
116
explorer.exe
POST
91.216.107.48:80
http://www.lan-esport.com/mo/
FR
malicious
116
explorer.exe
POST
185.230.62.177:80
http://www.educateme101.com/mo/
unknown
malicious
116
explorer.exe
POST
91.216.107.48:80
http://www.lan-esport.com/mo/
FR
malicious
116
explorer.exe
GET
404
91.216.107.48:80
http://www.lan-esport.com/mo/?NVYduv=7lbpr3ZPmYNBFiCzdLlg09ZRcXVVQwl0kNHQ5X1xgTYwl2Hq5jYJzmA5dGzm1TTqtII0NQ==&wh=jLj85VmXCpXdi
FR
html
1.46 Kb
malicious
116
explorer.exe
GET
116.255.235.9:80
http://www.scknstc.com/mo/?NVYduv=YrrN/gYJDKGwieKTCGD/sQdlW7fH7pRPE+qQxAJcBtLS3+cGL3bFiyWx8etlm4FwaElh8A==&wh=jLj85VmXCpXdi
CN
malicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
116
explorer.exe
74.208.236.197:80
www.hemingwaydevere.com
1&1 Internet SE
US
malicious
116
explorer.exe
116.255.235.9:80
www.scknstc.com
CHINA UNICOM China169 Backbone
CN
malicious
116
explorer.exe
180.166.211.84:80
www.imayflower.com
China Telecom (Group)
CN
malicious
116
explorer.exe
68.65.121.96:80
www.xinboz.com
Namecheap, Inc.
US
malicious
116
explorer.exe
91.216.107.48:80
www.lan-esport.com
ADISTA SAS
FR
malicious
116
explorer.exe
185.230.62.177:80
www.educateme101.com
malicious

DNS requests

Domain
IP
Reputation
www.scknstc.com
  • 116.255.235.9
malicious
www.hemingwaydevere.com
  • 74.208.236.197
malicious
www.imayflower.com
  • 180.166.211.84
malicious
www.rivaaciergroupe.com
unknown
www.xinboz.com
  • 68.65.121.96
malicious
www.educateme101.com
  • 185.230.62.177
malicious
www.scouticorn.com
unknown
www.lan-esport.com
  • 91.216.107.48
malicious
www.greenfieldlibrary.net
unknown

Threats

PID
Process
Class
Message
116
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (GET)
116
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (GET)
116
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST)
116
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST)
116
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (POST)
116
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (GET)
116
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST)
116
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST)
116
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (GET)
116
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST)
15 ETPRO signatures available at the full report
No debug info