MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c09f9057e4341633036324cbe43955122e503d1b73a979977b43030f4cf1ef10. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 13


Intelligence 13 IOCs YARA 10 File information Comments 1
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SHA256 hash: c09f9057e4341633036324cbe43955122e503d1b73a979977b43030f4cf1ef10
SHA3-384 hash: f508c19053ac3feecd9722d75876a1150e8620ead87cde824f62ffb727e6a6a7cfe8c2a0c2ba52a308fc1dd81c22cf6f
SHA1 hash: 0a7f61bc670a38cce473053b93c3796649f3ce57
MD5 hash: ddae367e828d169834f7261f3cba74d2
humanhash: july-beryllium-juliet-lamp
File name:ddae367e828d169834f7261f3cba74d2
Download: download sample
Signature Formbook
Create hunting rule
File size:1'255'424 bytes
First seen:2023-03-23 15:39:08 UTC
Last seen:2023-03-23 17:27:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:m3hJAVEoHlqRTPEZjimfAygETqHnyCPTONsM:mRJJNRTCbfAygETqHnyCP6NsM
Threatray 4 similar samples on MalwareBazaar
TLSH T1F0456C4513886A16D1FEAB33A4F1275A8771DC64E7AEE30B348836AD4C767721E87313
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon d4f9d89e968ec870 (2 x SnakeKeylogger, 2 x Formbook, 1 x Amadey)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
257
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
ddae367e828d169834f7261f3cba74d2
Verdict:
Malicious activity
Analysis date:
2023-03-23 15:39:51 UTC
Tags:
opendir formbook xloader
Link:
https://app.any.run/tasks/81472f09-60ef-491d-a6c5-7d6434e7000d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/376902/
Detection(s):
SecuriteInfo.com.HEUR.Trojan-Downloader.MSIL.Seraph.gen.7093.2351.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Sending an HTTP GET request to an infection source
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
86%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/641c72d59c109cf74b2edfe2/reports/2bb4c269-dd47-431d-aad2-c205dee1427c/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/c09f9057e4341633036324cbe43955122e503d1b73a979977b43030f4cf1ef10
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b7bc0cdc-13c9-4727-95fb-ef6214b0ed48
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1200530
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 833431 Sample: 5JtW1rP950.exe Startdate: 23/03/2023 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 6 other signatures 2->51 10 5JtW1rP950.exe 15 7 2->10         started        process3 dnsIp4 43 192.3.215.60, 49682, 80 AS-COLOCROSSINGUS United States 10->43 33 C:\Users\user\AppData\...\Iryekilw.exe, PE32 10->33 dropped 35 C:\Users\...\Iryekilw.exe:Zone.Identifier, ASCII 10->35 dropped 37 C:\Users\user\AppData\...\5JtW1rP950.exe.log, ASCII 10->37 dropped 61 Creates an undocumented autostart registry key 10->61 63 Encrypted powershell cmdline option found 10->63 65 Writes to foreign memory regions 10->65 67 Injects a PE file into a foreign processes 10->67 15 MSBuild.exe 10->15         started        18 powershell.exe 16 10->18         started        file5 signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 75 2 other signatures 15->75 20 explorer.exe 1 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 39 www.delightkgrillw.top 20->39 41 parkingpage.namecheap.com 198.54.117.215, 49688, 80 NAMECHEAP-NETUS United States 20->41 53 System process connects to network (likely due to code injection or exploit) 20->53 26 explorer.exe 20->26         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 26->55 57 Maps a DLL or memory area into another process 26->57 59 Tries to detect virtualization through RDTSC time measurements 26->59 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/c09f9057e4341633036324cbe43955122e503d1b73a979977b43030f4cf1ef10/
Threat name:
Win32.Trojan.Generic
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Status:
Suspicious
First seen:
2023-03-23 15:40:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ycpzav7egqldga3detf6iokvcixfapi3oouxtf33imbq6thr54ia._file
Verdict:
malicious
Label(s):
formbook
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Similar samples:
41250460b0bd531bfc6dbfd7e442e9039f3041f293591fc283bd831ea1d25dbc
Formbook
445b1f82727b8efd01c1270643deb6bc69ef1654ed8f53499fe06fe4be77c977
Formbook
53048f6da9edf57141871657c336f845eb8c9b186d154d9e993b7572d7300857
Formbook
dc9fe72e588b9814beb814a7864c534cda5dffa477ea3cae21240a02845eafad
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ar73 rat spyware stealer trojan
Link:
https://tria.ge/reports/230323-s37qcsgf44/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
c09f9057e4341633036324cbe43955122e503d1b73a979977b43030f4cf1ef10
MD5 hash:
ddae367e828d169834f7261f3cba74d2
SHA1 hash:
0a7f61bc670a38cce473053b93c3796649f3ce57
Link:
https://www.unpac.me/results/8c487a47-1d66-45c9-9f9b-86556e28b9cd/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c09f9057e434/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:INDICATOR_EXE_Packed_SmartAssembly
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Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:meth_get_eip
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Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe c09f9057e4341633036324cbe43955122e503d1b73a979977b43030f4cf1ef10

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2582280/
Cape
Cape
https://www.capesandbox.com/analysis/376902/

Comments


Avatar
zbet commented on 2023-03-23 15:39:16 UTC

url : hxxp://172.245.191.24/1994/vvd.exe