File name:

C:\Users\admin\AppData\Local\Temp\Rar$EXa3168.43843\UsrDJvfaDrOIOiH.exe

Full analysis: https://app.any.run/tasks/de76c1e8-d984-4379-9725-a15641982375
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: December 16, 2021, 10:03:22
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:

CD6AFF60AB397EF20514A30EC725D21F

SHA1:

5AAC32DA8BB3EA55C22FEFFE660C20E4BC7D5113

SHA256:

B69B083B0C8269EFF171C000B1AA7DE0F3418DBC4D61E6D245168F484B14CCDB

SSDEEP:

24576:f+HzI4N/SOMXZqNpmcUQEPqWgrYEwJP3+BpUqfVOB:fN430Qbm3QZHFwJ3qY

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: 612)
    • Connects to CnC server

      • Explorer.EXE (PID: 612)
  • SUSPICIOUS

    • Checks supported languages

      • UsrDJvfaDrOIOiH.exe (PID: 516)
      • UsrDJvfaDrOIOiH.exe (PID: 3144)
    • Reads the computer name

      • UsrDJvfaDrOIOiH.exe (PID: 516)
      • UsrDJvfaDrOIOiH.exe (PID: 3144)
    • Uses IPCONFIG.EXE to discover IP address

      • Explorer.EXE (PID: 612)
    • Application launched itself

      • UsrDJvfaDrOIOiH.exe (PID: 3144)
    • Starts CMD.EXE for commands execution

      • ipconfig.exe (PID: 2252)
    • Reads Environment values

      • ipconfig.exe (PID: 2252)
  • INFO

    • Checks supported languages

      • ipconfig.exe (PID: 2252)
      • cmd.exe (PID: 2484)
    • Reads the computer name

      • ipconfig.exe (PID: 2252)
    • Manual execution by user

      • ipconfig.exe (PID: 2252)
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.) (56.7)
.exe | Win64 Executable (generic) (21.3)
.scr | Windows screen saver (10.1)
.dll | Win32 Dynamic Link Library (generic) (5)
.exe | Win32 Executable (generic) (3.4)

EXIF

EXE

AssemblyVersion: 1.0.0.0
ProductVersion: 1.0.0.0
ProductName: Handwriting Recognition
OriginalFileName: SpecialFold.exe
LegalTrademarks: -
LegalCopyright: Copyright © 2017 - 2021
InternalName: SpecialFold.exe
FileVersion: 1.0.0.0
FileDescription: Handwriting Recognition
CompanyName: Microsoft Corporation
Comments: Personalize Handwriting Recognition UI
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 1.0.0.0
FileVersionNumber: 1.0.0.0
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x10269e
UninitializedDataSize: -
InitializedDataSize: 2560
CodeSize: 1050624
LinkerVersion: 8
PEType: PE32
TimeStamp: 2021:12:15 09:33:43+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 15-Dec-2021 08:33:43
Comments: Personalize Handwriting Recognition UI
CompanyName: Microsoft Corporation
FileDescription: Handwriting Recognition
FileVersion: 1.0.0.0
InternalName: SpecialFold.exe
LegalCopyright: Copyright © 2017 - 2021
LegalTrademarks: -
OriginalFilename: SpecialFold.exe
ProductName: Handwriting Recognition
ProductVersion: 1.0.0.0
Assembly Version: 1.0.0.0

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: 15-Dec-2021 08:33:43
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
0x001006A4
0x00100800
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
7.95272
.rsrc
0x00104000
0x00000670
0x00000800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.57166
.reloc
0x00106000
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
UNKNOWN
UNKNOWN
RT_MANIFEST

Imports

mscoree.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
37
Monitored processes
5
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start usrdjvfadroioih.exe no specs usrdjvfadroioih.exe no specs ipconfig.exe no specs cmd.exe no specs #FORMBOOK explorer.exe

Process information

PID
CMD
Path
Indicators
Parent process
516"C:\Users\admin\AppData\Local\Temp\UsrDJvfaDrOIOiH.exe"C:\Users\admin\AppData\Local\Temp\UsrDJvfaDrOIOiH.exeUsrDJvfaDrOIOiH.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Handwriting Recognition
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\usrdjvfadroioih.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\rpcrt4.dll
c:\windows\system32\sechost.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
612C:\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\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
c:\windows\system32\rpcrt4.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
2252"C:\Windows\System32\ipconfig.exe"C:\Windows\System32\ipconfig.exeExplorer.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
IP Configuration Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\ipconfig.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\dnsapi.dll
c:\windows\system32\nsi.dll
2484/c del "C:\Users\admin\AppData\Local\Temp\UsrDJvfaDrOIOiH.exe"C:\Windows\System32\cmd.exeipconfig.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:\windows\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
3144"C:\Users\admin\AppData\Local\Temp\UsrDJvfaDrOIOiH.exe" C:\Users\admin\AppData\Local\Temp\UsrDJvfaDrOIOiH.exeExplorer.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Handwriting Recognition
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\windows\system32\ntdll.dll
c:\users\admin\appdata\local\temp\usrdjvfadroioih.exe
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
Total events
274
Read events
274
Write events
0
Delete events
0

Modification events

No data
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

No data
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
6
DNS requests
12
Threats
20

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
612
Explorer.EXE
GET
301
151.101.64.119:80
http://www.edouardfavrot.com/qwg3/?6lop4BMX=+TXBJeg6vdBz+uD0+AZpHbNrmgB3Z5K0G2+DiDKOH7PhLQXg8G0ukI+l/jhxagKLJNWEYg==&tX=ZlM0DHTPPje
US
malicious
612
Explorer.EXE
GET
200
8.212.24.67:80
http://www.muranospa.com/qwg3/?6lop4BMX=UyuAXjAieD0bomTNr3VRQ5fv/VdbKtTncK0JmXXFOoc9YESQ3sSALHxD2lLh+OXf5QrQ4w==&tX=ZlM0DHTPPje
US
text
21 b
malicious
612
Explorer.EXE
GET
200
160.153.136.3:80
http://www.doctorpritzker.com/qwg3/?6lop4BMX=ZYSQ7n3f5kVHh77vFHIXwHteLBMwJakx6/2PuidaUcDgNn7K4HlAqIEiC3iq6QysGgGqpg==&tX=ZlM0DHTPPje
US
html
279 b
malicious
612
Explorer.EXE
GET
403
34.102.136.180:80
http://www.serfoe.com/qwg3/?6lop4BMX=Zxz8ttv2K5p2JrrhjnrZBj/dXRPB3SuOO4e1gK6xKqf9kWNNmywqI/Sd/AMrFV58Z4ThOA==&tX=ZlM0DHTPPje
US
html
275 b
whitelisted
612
Explorer.EXE
GET
302
119.18.52.5:80
http://www.indaan.com/qwg3/?6lop4BMX=6LpLu79mK7ZvmQRStM4H+OmjfLlPHatfyvgV/uSAigoq1UCWVI+qGK/rBude3O5C2TRQ7w==&tX=ZlM0DHTPPje
IN
html
313 b
malicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
612
Explorer.EXE
8.212.24.67:80
www.muranospa.com
Level 3 Communications, Inc.
US
malicious
612
Explorer.EXE
151.101.64.119:80
www.edouardfavrot.com
Fastly
US
malicious
160.153.136.3:80
www.doctorpritzker.com
GoDaddy.com, LLC
US
malicious
612
Explorer.EXE
34.102.136.180:80
www.serfoe.com
US
whitelisted
612
Explorer.EXE
119.18.52.5:80
www.indaan.com
PDR
IN
malicious
13.251.253.55:80
www.uiereh.com
Amazon.com, Inc.
SG
malicious

DNS requests

Domain
IP
Reputation
www.muranospa.com
  • 8.212.24.67
malicious
www.sivedou6.xyz
unknown
www.edouardfavrot.com
  • 151.101.64.119
malicious
www.nohohon-news.xyz
unknown
www.doctorpritzker.com
  • 160.153.136.3
malicious
www.indaan.com
  • 119.18.52.5
malicious
www.serfoe.com
  • 34.102.136.180
whitelisted
www.uiereh.com
  • 13.251.253.55
  • 54.169.207.182
unknown

Threats

PID
Process
Class
Message
612
Explorer.EXE
Generic Protocol Command Decode
SURICATA HTTP Unexpected Request body
612
Explorer.EXE
A Network Trojan was detected
ET TROJAN FormBook CnC Checkin (GET)
612
Explorer.EXE
A Network Trojan was detected
ET TROJAN FormBook CnC Checkin (GET)
612
Explorer.EXE
A Network Trojan was detected
ET TROJAN FormBook CnC Checkin (GET)
612
Explorer.EXE
Generic Protocol Command Decode
SURICATA HTTP Unexpected Request body
612
Explorer.EXE
A Network Trojan was detected
ET TROJAN FormBook CnC Checkin (GET)
612
Explorer.EXE
A Network Trojan was detected
ET TROJAN FormBook CnC Checkin (GET)
612
Explorer.EXE
A Network Trojan was detected
ET TROJAN FormBook CnC Checkin (GET)
612
Explorer.EXE
Generic Protocol Command Decode
SURICATA HTTP Unexpected Request body
612
Explorer.EXE
A Network Trojan was detected
ET TROJAN FormBook CnC Checkin (GET)
No debug info