analyze malware
  • Huge database of samples and IOCs
  • Custom VM setup
  • Unlimited submissions
  • Interactive approach
Sign up, it’s free
File name:

arrrrikfb.exe

Full analysis: https://app.any.run/tasks/62549d00-51dd-4573-8091-11b64e75c16a
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: July 11, 2019, 17:06:06
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:

9FC28C351D32040104059E11A7984FEA

SHA1:

3E5814120EE95A0DF6FA8251F47D8DA3F8A611ED

SHA256:

5FF8009942C8D11A64221B326487ACDE65A0874B49F63D57F0B0C6BF390FD250

SSDEEP:

6144:eawOeZGSh7oX8yNADuttGfeAamBYsHIt5hqtYWPZH+Kaq3F3p2Lp0KSC5JH5edsW:zXDUCT+HI9qTB+bq3F3I0s5dgqVo

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

    • Application was dropped or rewritten from another process

      • vbc.exe (PID: 2076)
      • wjg4bvx8ibcd.exe (PID: 3808)
    • FORMBOOK was detected

      • explorer.exe (PID: 124)
    • Formbook was detected

      • wuapp.exe (PID: 3724)
      • Firefox.exe (PID: 1812)
    • Connects to CnC server

      • explorer.exe (PID: 124)
    • Actions looks like stealing of personal data

      • wuapp.exe (PID: 3724)
    • Changes the autorun value in the registry

      • wuapp.exe (PID: 3724)
    • Stealing of credential data

      • wuapp.exe (PID: 3724)
  • SUSPICIOUS

    • Starts CMD.EXE for commands execution

      • wuapp.exe (PID: 3724)
    • Creates files in the program directory

      • DllHost.exe (PID: 3164)
    • Executes scripts

      • arrrrikfb.exe (PID: 3916)
    • Executable content was dropped or overwritten

      • DllHost.exe (PID: 3164)
      • explorer.exe (PID: 124)
    • Executed via COM

      • DllHost.exe (PID: 3164)
    • Loads DLL from Mozilla Firefox

      • wuapp.exe (PID: 3724)
    • Creates files in the user directory

      • wuapp.exe (PID: 3724)
  • INFO

    • Manual execution by user

      • wuapp.exe (PID: 3724)
    • Creates files in the user directory

      • Firefox.exe (PID: 1812)
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.) (62)
.exe | Win64 Executable (generic) (23.3)
.dll | Win32 Dynamic Link Library (generic) (5.5)
.exe | Win32 Executable (generic) (3.8)
.exe | Win16/32 Executable Delphi generic (1.7)

EXIF

EXE

Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x43dde
UninitializedDataSize: -
InitializedDataSize: 691200
CodeSize: 269824
LinkerVersion: 8
PEType: PE32
TimeStamp: 2019:05:12 22:18:37+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 12-May-2019 20:18:37
Detected languages:
  • English - United States
  • German - Germany
Debug artifacts:
  • C:\xampp\htdocs\Aspire\files\markcooperate_vIcwEYNEXrPMfAys\vIcwEYNEXrPMfAysma.pdb

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-May-2019 20:18:37
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
0x00041DE4
0x00041E00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.93937
.rsrc
0x00044000
0x000A8964
0x000A8A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.64644
.reloc
0x000EE000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.10191

Resources

Title
Entropy
Size
Codepage
Language
Type
0
2.69055
90
Latin 1 / Western European
English - United States
RT_GROUP_ICON
1
2.25632
270376
Latin 1 / Western European
English - United States
RT_ICON
2
4.21757
1128
Latin 1 / Western European
English - United States
RT_ICON
3
3.17718
9640
Latin 1 / Western European
English - United States
RT_ICON
4
3.57015
4264
Latin 1 / Western European
English - United States
RT_ICON
5
2.51177
67624
Latin 1 / Western European
English - United States
RT_ICON
6
2.93647
16936
Latin 1 / Western European
English - United States
RT_ICON
119
7.83374
320000
Latin 1 / Western European
German - Germany
RT_HTML

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
47
Monitored processes
8
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start drop and start arrrrikfb.exe no specs vbc.exe no specs #FORMBOOK wuapp.exe cmd.exe no specs #FORMBOOK explorer.exe Copy/Move/Rename/Delete/Link Object wjg4bvx8ibcd.exe no specs #FORMBOOK firefox.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
3916"C:\Users\admin\AppData\Local\Temp\arrrrikfb.exe" C:\Users\admin\AppData\Local\Temp\arrrrikfb.exeexplorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
2076"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exearrrrikfb.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Visual Basic Command Line Compiler
Exit code:
0
Version:
8.0.50727.5420
3724"C:\Windows\System32\wuapp.exe"C:\Windows\System32\wuapp.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Update Application Launcher
Version:
7.5.7601.17514 (win7sp1_rtm.101119-1850)
572/c del "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"C:\Windows\System32\cmd.exewuapp.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)
124C:\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)
3164C:\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)
3808"C:\Program Files\Yrdfd\wjg4bvx8ibcd.exe"C:\Program Files\Yrdfd\wjg4bvx8ibcd.exeexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Visual Basic Command Line Compiler
Exit code:
0
Version:
8.0.50727.5420
1812"C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe
wuapp.exe
User:
admin
Company:
Mozilla Corporation
Integrity Level:
MEDIUM
Description:
Firefox
Exit code:
0
Version:
67.0.4
Total events
93
Read events
86
Write events
7
Delete events
0

Modification events

(PID) Process:(124) explorer.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\70\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(124) explorer.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\UserAssist\{CEBFF5CD-ACE2-4F4F-9178-9926F41749EA}\Count
Operation:writeName:{7P5N40RS-N0SO-4OSP-874N-P0S2R0O9SN8R}\Leqsq\jwt4oik8vopq.rkr
Value:
0000000000000000000000009C000000000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BF000080BFFFFFFFFF000000000000000000000000
(PID) Process:(124) explorer.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\UserAssist\{CEBFF5CD-ACE2-4F4F-9178-9926F41749EA}\Count
Operation:writeName:HRZR_PGYFRFFVBA
Value:
000000000F0000000E00000028F90300040000000400000029E900004D006900630072006F0073006F00660074002E004100750074006F00470065006E006500720061007400650064002E007B00310035003900360032003100370035002D0037004400460043002D0042003100440037002D0042003000440031002D004500420034004300300038004600460044003700350034007D0000000000000000000100000064666C7464666C7400000000400000000459CA76C306012500000000000000000100000000000000000000000000000000000000E803000000000000FFFFFFFF000000000000000008B7540254E7D90105000000FFFFFFFFAC54CA76000000003853F6023052F602D0E7D9013DA9727500000000FBFFFF7FF4E7D901987880574F8C6244BB6371042380B1090000000001100211FFFFFFFF00000000000000000000000005DF440321DF440305DF4403000000000000000000000000080000002E006C006E006B0000005300630068006500640075006C00650072002E006C006E006B000000530000005300000000000000000007000A008F030000A487D8760800000064025300E72FF9769487D8763F030000CC045300000053000200D4001D7E010011000000B8455600B045560030C4F402FCE800004F88652EACE8D90182917275FCE8D901B0E8D9012795727500000000A486F602D8E8D901CD947275A486F60284E9D9011882F602E1947275000000001882F60284E9D901E0E8D901040000000400000029E900004D006900630072006F0073006F00660074002E004100750074006F00470065006E006500720061007400650064002E007B00310035003900360032003100370035002D0037004400460043002D0042003100440037002D0042003000440031002D004500420034004300300038004600460044003700350034007D0000000000000000000100000064666C7464666C7400000000400000000459CA76C306012500000000000000000100000000000000000000000000000000000000E803000000000000FFFFFFFF000000000000000008B7540254E7D90105000000FFFFFFFFAC54CA76000000003853F6023052F602D0E7D9013DA9727500000000FBFFFF7FF4E7D901987880574F8C6244BB6371042380B1090000000001100211FFFFFFFF00000000000000000000000005DF440321DF440305DF4403000000000000000000000000080000002E006C006E006B0000005300630068006500640075006C00650072002E006C006E006B000000530000005300000000000000000007000A008F030000A487D8760800000064025300E72FF9769487D8763F030000CC045300000053000200D4001D7E010011000000B8455600B045560030C4F402FCE800004F88652EACE8D90182917275FCE8D901B0E8D9012795727500000000A486F602D8E8D901CD947275A486F60284E9D9011882F602E1947275000000001882F60284E9D901E0E8D901040000000400000029E900004D006900630072006F0073006F00660074002E004100750074006F00470065006E006500720061007400650064002E007B00310035003900360032003100370035002D0037004400460043002D0042003100440037002D0042003000440031002D004500420034004300300038004600460044003700350034007D0000000000000000000100000064666C7464666C7400000000400000000459CA76C306012500000000000000000100000000000000000000000000000000000000E803000000000000FFFFFFFF000000000000000008B7540254E7D90105000000FFFFFFFFAC54CA76000000003853F6023052F602D0E7D9013DA9727500000000FBFFFF7FF4E7D901987880574F8C6244BB6371042380B1090000000001100211FFFFFFFF00000000000000000000000005DF440321DF440305DF4403000000000000000000000000080000002E006C006E006B0000005300630068006500640075006C00650072002E006C006E006B000000530000005300000000000000000007000A008F030000A487D8760800000064025300E72FF9769487D8763F030000CC045300000053000200D4001D7E010011000000B8455600B045560030C4F402FCE800004F88652EACE8D90182917275FCE8D901B0E8D9012795727500000000A486F602D8E8D901CD947275A486F60284E9D9011882F602E1947275000000001882F60284E9D901E0E8D901
(PID) Process:(3724) wuapp.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:ZJO4TRK0XPX
Value:
C:\Program Files\Yrdfd\wjg4bvx8ibcd.exe
Executable files
2
Suspicious files
73
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
3724wuapp.exeC:\Users\admin\AppData\Roaming\1K12621E\1K1logrc.inibinary
MD5:2855A82ECDD565B4D957EC2EE05AED26
SHA256:88E38DA5B12DD96AFD9DC90C79929EC31D8604B1AFDEBDD5A02B19249C08C939
124explorer.exeC:\Users\admin\AppData\Local\Temp\Yrdfd\wjg4bvx8ibcd.exeexecutable
MD5:34AA912DEFA18C2C129F1E09D75C1D7E
SHA256:6DF94B7FA33F1B87142ADC39B3DB0613FC520D9E7A5FD6A5301DD7F51F8D0386
3164DllHost.exeC:\Program Files\Yrdfd\wjg4bvx8ibcd.exeexecutable
MD5:34AA912DEFA18C2C129F1E09D75C1D7E
SHA256:6DF94B7FA33F1B87142ADC39B3DB0613FC520D9E7A5FD6A5301DD7F51F8D0386
1812Firefox.exeC:\Users\admin\AppData\Roaming\1K12621E\1K1logrf.inibinary
MD5:53028481B5B5795F1501241CCC7ABFF6
SHA256:75B5F3045E20C80F264568707E2D444DC7498DB119D9661AE51A91575960FC5A
3724wuapp.exeC:\Users\admin\AppData\Roaming\1K12621E\1K1logim.jpegimage
MD5:ABFF7917DBEDBB35882889CAED451BA2
SHA256:EC13DFAD8F7A59703D64B39E1BB035E4F911AE757826A114B99BFC8A97FF9DD7
3724wuapp.exeC:\Users\admin\AppData\Roaming\1K12621E\1K1logrv.inibinary
MD5:BA3B6BC807D4F76794C4B81B09BB9BA5
SHA256:6EEBF968962745B2E9DE2CA969AF7C424916D4E3FE3CC0BB9B3D414ABFCE9507
3724wuapp.exeC:\Users\admin\AppData\Roaming\1K12621E\1K1logri.inibinary
MD5:D63A82E5D81E02E399090AF26DB0B9CB
SHA256:EAECE2EBA6310253249603033C744DD5914089B0BB26BDE6685EC9813611BAAE
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
23
TCP/UDP connections
26
DNS requests
19
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
124
explorer.exe
GET
198.185.159.145:80
http://www.khyran.com/ar/?zZq4AN=fAfLM8qg/ir9TXdMyFcNFOXAVUhPOLTHTBNYOEE2mcJTJaMr1p/Sj1atnh8y9vwXNnCDaw==&U6Q=OvRTThj0ZdnxWJ&sql=1
US
malicious
124
explorer.exe
GET
50.87.153.142:80
http://www.delrayepoxy.com/ar/?zZq4AN=umAhbcVip/S5OV9m/UcjCmEqmhg79ykMGqR+73xST4yYqZtWMF96LmK/CBBl3qIGXr3lAw==&U6Q=OvRTThj0ZdnxWJ
US
malicious
124
explorer.exe
GET
302
103.224.212.222:80
http://www.hardincountyschools.net/ar/?zZq4AN=/sLXtIxMB2jKXx2Fh6mnqcSPc+U/5n5UajDlAMh5dmKUg7eqjdqbBy0rQUgdEqaybTFx6Q==&U6Q=OvRTThj0ZdnxWJ
AU
malicious
124
explorer.exe
POST
198.185.159.145:80
http://www.khyran.com/ar/
US
malicious
124
explorer.exe
POST
404
199.192.20.30:80
http://www.hindofk.com/ar/
US
html
291 b
malicious
124
explorer.exe
POST
198.185.159.145:80
http://www.khyran.com/ar/
US
malicious
124
explorer.exe
POST
204.11.58.194:80
http://www.bestfranchisesforsale.com/ar/
US
malicious
124
explorer.exe
POST
198.185.159.145:80
http://www.khyran.com/ar/
US
malicious
124
explorer.exe
GET
302
205.178.189.131:80
http://www.wildstocksoups.net/ar/?zZq4AN=b0HbcYrimCIbj9DRF6zwTwWksQYgLA1jekBb9xySy3HzRBRyiqBC5E6Q5gPgNCM0nEUZqA==&U6Q=OvRTThj0ZdnxWJ
US
malicious
124
explorer.exe
POST
103.224.212.222:80
http://www.hardincountyschools.net/ar/
AU
malicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
124
explorer.exe
205.178.189.131:80
www.wildstocksoups.net
Defense.Net, Inc
US
malicious
205.178.189.131:80
www.wildstocksoups.net
Defense.Net, Inc
US
malicious
124
explorer.exe
103.224.212.222:80
www.hardincountyschools.net
Trellian Pty. Limited
AU
malicious
124
explorer.exe
198.185.159.145:80
www.khyran.com
Squarespace, Inc.
US
malicious
124
explorer.exe
50.87.153.142:80
www.delrayepoxy.com
Unified Layer
US
suspicious
124
explorer.exe
199.192.20.30:80
www.hindofk.com
US
malicious
124
explorer.exe
212.97.132.203:80
www.magicislandriga.com
Surftown A/S
DK
malicious
124
explorer.exe
204.11.58.194:80
www.bestfranchisesforsale.com
PDR
US
malicious
124
explorer.exe
198.54.117.244:80
www.mariohugocalvo.com
Namecheap, Inc.
US
malicious

DNS requests

Domain
IP
Reputation
www.delrayepoxy.com
  • 50.87.153.142
malicious
www.khyran.com
  • 198.185.159.145
  • 198.49.23.145
  • 198.185.159.144
  • 198.49.23.144
malicious
www.bestfranchisesforsale.com
  • 204.11.58.194
malicious
www.hindofk.com
  • 199.192.20.30
malicious
www.emlakilanlarii.com
unknown
www.vividesigngallery.com
unknown
www.onlinegamemerch.com
unknown
www.refinancemiamiworld.com
unknown
www.urbanairship.cloud
unknown
www.hardincountyschools.net
  • 103.224.212.222
malicious

Threats

PID
Process
Class
Message
124
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (GET)
124
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (GET)
124
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST)
124
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST)
124
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (POST)
124
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (GET)
124
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST)
124
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST)
124
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] FormBook CnC Checkin (GET)
124
explorer.exe
A Network Trojan was detected
MALWARE [PTsecurity] TrojanSpy:FormBook CnC Checkin (POST)
18 ETPRO signatures available at the full report
No debug info