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File name:

rbcdhzstktqzi.exe

Full analysis: https://app.any.run/tasks/a38aaebd-063c-4a3f-9ac7-429676ecd3c8
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: October 05, 2022, 06:01:05
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
formbook
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

31745EFB139F7C9E54F58495A18ABE05

SHA1:

717B2AC08042C069BC1A1E93B74238ABA58866C9

SHA256:

2AE2DE541DE437D68B669FAD31A4B1521EDB2406A5D65E7705078EC2E813FB59

SSDEEP:

12288:s6/4+2iNiATuRNb4BKJJT7bcL8Zpra8EAH7tZ6YW:lA+1HiNrh7eOpO8EAH3c

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 detected by memory dumps

      • NETSTAT.EXE (PID: 1300)
  • SUSPICIOUS

    • Application launched itself

      • rbcdhzstktqzi.exe (PID: 3160)
  • INFO

    No info indicators.
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.) (82.9)
.dll | Win32 Dynamic Link Library (generic) (7.4)
.exe | Win32 Executable (generic) (5.1)
.exe | Generic Win/DOS Executable (2.2)
.exe | DOS Executable Generic (2.2)

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 2022-Jul-01 17:04:42
Comments: -
CompanyName: Microsoft
FileDescription: Movies
FileVersion: 1.0.1.1
InternalName: YK3ZPcT.exe
LegalCopyright: -
LegalTrademarks: -
OriginalFilename: YK3ZPcT.exe
ProductName: Movies
ProductVersion: 1.0.1.1
Assembly Version: 1.0.1.1

DOS Header

e_magic: MZ
e_cblp: 144
e_cp: 3
e_crlc: -
e_cparhdr: 4
e_minalloc: -
e_maxalloc: 65535
e_ss: -
e_sp: 184
e_csum: -
e_ip: -
e_cs: -
e_ovno: -
e_oemid: -
e_oeminfo: -
e_lfanew: 128

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
NumberofSections: 3
TimeDateStamp: 2022-Jul-01 17:04:42
PointerToSymbolTable: -
NumberOfSymbols: -
SizeOfOptionalHeader: 224
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
8192
590896
591360
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
7.66038
.rsrc
606208
96340
96768
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.07581
.reloc
704512
12
512
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.10191

Resources

Title
Entropy
Size
Codepage
Language
Type
1
4.88917
93040
Latin 1 / Western European
UNKNOWN
RT_ICON
1 (#2)
1.67095
20
Latin 1 / Western European
UNKNOWN
RT_GROUP_ICON
1 (#3)
3.29569
764
Latin 1 / Western European
UNKNOWN
RT_VERSION
1 (#4)
4.90047
2211
Latin 1 / Western European
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
4
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start rbcdhzstktqzi.exe no specs rbcdhzstktqzi.exe no specs #FORMBOOK netstat.exe no specs cmd.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
3160"C:\Users\admin\AppData\Local\Temp\rbcdhzstktqzi.exe" C:\Users\admin\AppData\Local\Temp\rbcdhzstktqzi.exeExplorer.EXE
User:
admin
Company:
Microsoft
Integrity Level:
MEDIUM
Description:
Movies
Exit code:
0
Version:
1.0.1.1
860"{path}"C:\Users\admin\AppData\Local\Temp\rbcdhzstktqzi.exerbcdhzstktqzi.exe
User:
admin
Company:
Microsoft
Integrity Level:
MEDIUM
Description:
Movies
Exit code:
0
Version:
1.0.1.1
1300"C:\Windows\System32\NETSTAT.EXE"C:\Windows\System32\NETSTAT.EXE
Explorer.EXE
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
TCP/IP Netstat Command
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
2576/c del "C:\Users\admin\AppData\Local\Temp\rbcdhzstktqzi.exe"C:\Windows\System32\cmd.exeNETSTAT.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)
Total events
204
Read events
204
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
0
TCP/UDP connections
0
DNS requests
0
Threats
0

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

No data

DNS requests

No data

Threats

No threats detected
No debug info