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download:

fairdoc.exe

Full analysis: https://app.any.run/tasks/fb6aecef-c69c-4f7f-adc0-7f1be83ff1aa
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: November 15, 2018, 21:40:49
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:

316D90AA07E5282CE765F212AB26C7F5

SHA1:

65E4DEE5AA409F44657A3F3CB3BF99FD5846FE1C

SHA256:

96920BA7E70B2B945030B53FC09D6B28EEE4C3B77FDB1C09FAF60698E080435F

SSDEEP:

3072:MgvEz2cvAiZfXPxZi9YleeeDrfGiX2mBfZT8HUyWAj22wK5:uHhbi9YkDDrf0mrM3jO

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

      • dwm.exe (PID: 3668)
    • Actions looks like stealing of personal data

      • dwm.exe (PID: 3668)
    • Formbook was detected

      • Firefox.exe (PID: 4004)
      • dwm.exe (PID: 3668)
    • FORMBOOK was detected

      • explorer.exe (PID: 1716)
    • Connects to CnC server

      • explorer.exe (PID: 1716)
    • Stealing of credential data

      • dwm.exe (PID: 3668)
  • SUSPICIOUS

    • Starts CMD.EXE for commands execution

      • dwm.exe (PID: 3668)
    • Loads DLL from Mozilla Firefox

      • dwm.exe (PID: 3668)
    • Creates files in the user directory

      • dwm.exe (PID: 3668)
    • Executable content was dropped or overwritten

      • DllHost.exe (PID: 2260)
      • explorer.exe (PID: 1716)
    • Creates files in the program directory

      • DllHost.exe (PID: 2260)
  • INFO

    • Creates files in the user directory

      • Firefox.exe (PID: 4004)
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

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2006:07:30 04:18:22+02:00
PEType: PE32
LinkerVersion: 10
CodeSize: 166912
InitializedDataSize: -
UninitializedDataSize: -
EntryPoint: 0x1b590
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 30-Jul-2006 02:18:22

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: 0x000000C8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 1
Time date stamp: 30-Jul-2006 02:18:22
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
0x00028A30
0x00028C00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
7.41618
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 fairdoc.exe no specs #FORMBOOK dwm.exe cmd.exe no specs #FORMBOOK explorer.exe #FORMBOOK firefox.exe no specs Copy/Move/Rename/Delete/Link Object s0hdufrrsd.exe no specs wuauclt.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
3188"C:\Users\admin\AppData\Local\Temp\fairdoc.exe" C:\Users\admin\AppData\Local\Temp\fairdoc.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
3668"C:\Windows\System32\dwm.exe"C:\Windows\System32\dwm.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Desktop Window Manager
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
2560/c del "C:\Users\admin\AppData\Local\Temp\fairdoc.exe"C:\Windows\System32\cmd.exedwm.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)
1716C:\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)
4004"C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe
dwm.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
61.0.2
2260C:\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)
2756"C:\Program Files\Yup8h\s0hdufrrsd.exe"C:\Program Files\Yup8h\s0hdufrrsd.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
3088"C:\Windows\System32\wuauclt.exe"C:\Windows\System32\wuauclt.exeexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Update
Exit code:
0
Version:
7.5.7601.17514 (win7sp1_rtm.101119-1850)
Total events
84
Read events
83
Write events
1
Delete events
0

Modification events

(PID) Process:(3668) dwm.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:1BBXNHTXUB1
Value:
C:\Program Files\Yup8h\s0hdufrrsd.exe
Executable files
2
Suspicious files
73
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
3668dwm.exeC:\Users\admin\AppData\Roaming\6MON228T\6MOlogrc.inibinary
MD5:2855A82ECDD565B4D957EC2EE05AED26
SHA256:88E38DA5B12DD96AFD9DC90C79929EC31D8604B1AFDEBDD5A02B19249C08C939
3668dwm.exeC:\Users\admin\AppData\Roaming\6MON228T\6MOlogim.jpegimage
MD5:DF19920AE6B57FD0508A68D08C070F77
SHA256:338B1F94BC765B004167CA0115EF75DDCE0E19D4D33CC0CAC550644B35DCAFC4
1716explorer.exeC:\Users\admin\AppData\Local\Temp\Yup8h\s0hdufrrsd.exeexecutable
MD5:316D90AA07E5282CE765F212AB26C7F5
SHA256:96920BA7E70B2B945030B53FC09D6B28EEE4C3B77FDB1C09FAF60698E080435F
4004Firefox.exeC:\Users\admin\AppData\Roaming\6MON228T\6MOlogrf.inibinary
MD5:53028481B5B5795F1501241CCC7ABFF6
SHA256:75B5F3045E20C80F264568707E2D444DC7498DB119D9661AE51A91575960FC5A
2260DllHost.exeC:\Program Files\Yup8h\s0hdufrrsd.exeexecutable
MD5:316D90AA07E5282CE765F212AB26C7F5
SHA256:96920BA7E70B2B945030B53FC09D6B28EEE4C3B77FDB1C09FAF60698E080435F
3668dwm.exeC:\Users\admin\AppData\Roaming\6MON228T\6MOlogrv.inibinary
MD5:BA3B6BC807D4F76794C4B81B09BB9BA5
SHA256:6EEBF968962745B2E9DE2CA969AF7C424916D4E3FE3CC0BB9B3D414ABFCE9507
3668dwm.exeC:\Users\admin\AppData\Roaming\6MON228T\6MOlogri.inibinary
MD5:D63A82E5D81E02E399090AF26DB0B9CB
SHA256:EAECE2EBA6310253249603033C744DD5914089B0BB26BDE6685EC9813611BAAE
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
11
TCP/UDP connections
11
DNS requests
17
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1716
explorer.exe
GET
162.213.255.220:80
http://www.nadidetadllar.com/hx312/?W6=gmPl4LKlSG3CNBHwVcB4T7RtsQ+aR51oZ0h9RYpDy5uHh+zVOT1jAo9v31eTpyiCzF5Zww==&Tl9L=DVF8FTbpP
US
malicious
1716
explorer.exe
POST
198.52.123.20:80
http://www.wanduge.com/hx312/
US
malicious
1716
explorer.exe
POST
162.213.255.220:80
http://www.nadidetadllar.com/hx312/
US
malicious
1716
explorer.exe
POST
198.52.123.20:80
http://www.wanduge.com/hx312/
US
malicious
1716
explorer.exe
POST
162.213.255.220:80
http://www.nadidetadllar.com/hx312/
US
malicious
1716
explorer.exe
POST
198.52.123.20:80
http://www.wanduge.com/hx312/
US
malicious
1716
explorer.exe
GET
302
198.52.123.20:80
http://www.wanduge.com/hx312/?W6=o+zkSv+IqfrzvxzcU63L2dJzcWZcVhECLtAfix/dSLi/ojSxHvHy3W/PHHSi/VsZFGZWdA==&Tl9L=DVF8FTbpP&sql=1
US
html
154 b
malicious
1716
explorer.exe
GET
200
94.136.40.82:80
http://www.iss-servicepoint.com/hx312/?W6=z3eywMpTrIqPyLdQSoorFGxbBPZzO2Z/0fw5hLXF/G6pW5fb7ai1sI/5Z++k/YuNOXNXKA==&Tl9L=DVF8FTbpP&sql=1
GB
html
1.06 Kb
malicious
1716
explorer.exe
POST
94.136.40.82:80
http://www.iss-servicepoint.com/hx312/
GB
malicious
1716
explorer.exe
POST
94.136.40.82:80
http://www.iss-servicepoint.com/hx312/
GB
malicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
1716
explorer.exe
198.52.123.20:80
www.wanduge.com
MULTACOM CORPORATION
US
malicious
1716
explorer.exe
94.136.40.82:80
www.iss-servicepoint.com
Host Europe GmbH
GB
malicious
1716
explorer.exe
162.213.255.220:80
www.nadidetadllar.com
Namecheap, Inc.
US
malicious

DNS requests

Domain
IP
Reputation
www.pabwallet.com
malicious
www.nadidetadllar.com
  • 162.213.255.220
malicious
www.ugames.biz
unknown
www.fosunmedicals.com
unknown
www.wanduge.com
  • 198.52.123.20
malicious
www.iss-servicepoint.com
  • 94.136.40.82
malicious
www.h1bnng.info
unknown
www.alvaro-diaz.com
unknown
www.hfhtwzx.com
unknown
www.indiansexysex.com
unknown

Threats

PID
Process
Class
Message
1716
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (GET)
1716
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST)
1716
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (POST)
1716
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (GET)
1716
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (POST)
1716
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST)
1716
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST)
1716
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (GET)
1716
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST)
1716
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST)
9 ETPRO signatures available at the full report
No debug info