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File name:

b

Full analysis: https://app.any.run/tasks/0d4d5482-866f-41e9-88e6-383bc4f00b75
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: June 12, 2019, 10:04:48
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:

32F08757CEF686EAF40323CC0452E18B

SHA1:

6718A10DB0D81B1A2369A59529FBB481406F37A5

SHA256:

B633527465F71B28F1E9B6D2A807C4653E1A99C9E7E75A5701FF1E7437572EDF

SSDEEP:

3072:EdLFD9P4Ecigf2kplkPw7JSL378iig2oyD9Amr33jhn3ZWSd+:IDGr2kaw7JzyVyD9AmD3Fn3ZWSd

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

    • FORMBOOK was detected

      • explorer.exe (PID: 252)
    • Changes the autorun value in the registry

      • wuauclt.exe (PID: 3636)
    • Connects to CnC server

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

      • wuauclt.exe (PID: 3636)
      • Firefox.exe (PID: 2308)
    • Actions looks like stealing of personal data

      • wuauclt.exe (PID: 3636)
    • Stealing of credential data

      • wuauclt.exe (PID: 3636)
  • SUSPICIOUS

    • Starts CMD.EXE for commands execution

      • wuauclt.exe (PID: 3636)
    • Creates files in the user directory

      • wuauclt.exe (PID: 3636)
    • Loads DLL from Mozilla Firefox

      • wuauclt.exe (PID: 3636)
  • INFO

    • Manual execution by user

      • wuauclt.exe (PID: 3636)
    • Creates files in the user directory

      • Firefox.exe (PID: 2308)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | DOS Executable Generic (100)

EXIF

EXE

Subsystem: Windows GUI
SubsystemVersion: 5.1
ImageVersion: -
OSVersion: 5.1
EntryPoint: 0x1b6e0
UninitializedDataSize: -
InitializedDataSize: -
CodeSize: 167424
LinkerVersion: 10
PEType: PE32
TimeStamp: 2000:08:04 09:30:56+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 04-Aug-2000 07:30:56

DOS Header

Magic number: MZ
Bytes on last page of file: 0x5245
Pages in file: 0x00E8
Relocations: 0x0000
Size of header: 0x5800
Min extra paragraphs: 0xE883
Max extra paragraphs: 0x8B09
Initial SS value: 0x83C8
Initial SP value: 0x3CC0
Checksum: 0x008B
Initial IP value: 0xC103
Initial CS value: 0xC083
Overlay number: 0xFF08
OEM identifier: 0x0000
OEM information: 0x0000
Address of NE header: 0x000000C0

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 1
Time date stamp: 04-Aug-2000 07:30:56
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
0x00001000
0x00028C84
0x00028E00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
7.41961
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
37
Monitored processes
5
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start b.exe no specs #FORMBOOK wuauclt.exe cmd.exe no specs #FORMBOOK explorer.exe #FORMBOOK firefox.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2968"C:\Users\admin\AppData\Local\Temp\b.exe" C:\Users\admin\AppData\Local\Temp\b.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
3636"C:\Windows\System32\wuauclt.exe"C:\Windows\System32\wuauclt.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Update
Version:
7.5.7601.17514 (win7sp1_rtm.101119-1850)
2376/c del "C:\Users\admin\AppData\Local\Temp\b.exe"C:\Windows\System32\cmd.exewuauclt.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)
252C:\Windows\Explorer.EXEC:\Windows\explorer.exe
ctfmon.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
2308"C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe
wuauclt.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
65.0.2
Total events
21
Read events
20
Write events
1
Delete events
0

Modification events

(PID) Process:(3636) wuauclt.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:XRIH52TH
Value:
C:\Program Files\Zehd4_r\userftl0wnn.exe
Executable files
0
Suspicious files
73
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
3636wuauclt.exeC:\Users\admin\AppData\Roaming\JNN8521E\JNNlogrc.inibinary
MD5:2855A82ECDD565B4D957EC2EE05AED26
SHA256:88E38DA5B12DD96AFD9DC90C79929EC31D8604B1AFDEBDD5A02B19249C08C939
3636wuauclt.exeC:\Users\admin\AppData\Roaming\JNN8521E\JNNlogim.jpegimage
MD5:D97961F89687A8BC0B28D829CA2FAFB3
SHA256:734693C5DC0413D5535CE5C226F98873513CA6FB78D786D43A96269F31261B17
2308Firefox.exeC:\Users\admin\AppData\Roaming\JNN8521E\JNNlogrf.inibinary
MD5:53028481B5B5795F1501241CCC7ABFF6
SHA256:75B5F3045E20C80F264568707E2D444DC7498DB119D9661AE51A91575960FC5A
3636wuauclt.exeC:\Users\admin\AppData\Roaming\JNN8521E\JNNlogri.inibinary
MD5:D63A82E5D81E02E399090AF26DB0B9CB
SHA256:EAECE2EBA6310253249603033C744DD5914089B0BB26BDE6685EC9813611BAAE
3636wuauclt.exeC:\Users\admin\AppData\Roaming\JNN8521E\JNNlogrv.inibinary
MD5:BA3B6BC807D4F76794C4B81B09BB9BA5
SHA256:6EEBF968962745B2E9DE2CA969AF7C424916D4E3FE3CC0BB9B3D414ABFCE9507
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
5
DNS requests
3
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
252
explorer.exe
GET
109.73.228.245:80
http://www.stuck.healthcare/ne/?Cr8dGL=Vsx6hVokWi4d16MmAR4zkmamIgAy14hi5bqdkc7LRwBqSM6m+nSJGYlCLGcisrckQ52EVw==&RZ=dh7XG6OXaV-PIvY
US
malicious
252
explorer.exe
GET
108.178.60.146:80
http://www.boerental.com/ne/?Cr8dGL=O/yLwPaalrSBbyAw+yatJmTIUOjgSFmfom300OEQSQkKVbCmvYh23/Lp76LM5LvVrDjdUA==&RZ=dh7XG6OXaV-PIvY&sql=1
US
malicious
POST
108.178.60.146:80
http://www.boerental.com/ne/
US
malicious
POST
108.178.60.146:80
http://www.boerental.com/ne/
US
malicious
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
108.178.60.146:80
www.boerental.com
SingleHop, Inc.
US
malicious
252
explorer.exe
109.73.228.245:80
www.stuck.healthcare
SoftLayer Technologies Inc.
US
malicious
108.178.60.146:80
www.boerental.com
SingleHop, Inc.
US
malicious

DNS requests

Domain
IP
Reputation
www.stuck.healthcare
  • 109.73.228.245
malicious
www.boerental.com
  • 108.178.60.146
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)
A Network Trojan was detected
MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST)
A Network Trojan was detected
MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST)
3 ETPRO signatures available at the full report
No debug info