MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9454ba36d9a763b8543f599961cafb7a33397340ccb59b17921748771d49cd43. 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: 11


Intelligence 11 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9454ba36d9a763b8543f599961cafb7a33397340ccb59b17921748771d49cd43
SHA3-384 hash: 289c51de3584a81dcc3c65c9dc1333376cc904066716b52ee9cab0b7e8cf50b91c957b75bab3b35fa19c4e511643ffc0
SHA1 hash: 423261d0362864ecc99f05a726a940b33b69f5df
MD5 hash: fc2ab61fce7f203add8bd65a77df7de5
humanhash: utah-maine-social-hydrogen
File name:vbc (2).exe.vir
Download: download sample
Signature Formbook
Create hunting rule
File size:101'888 bytes
First seen:2022-06-21 08:55:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 384:Oz3I2jy/+74+RrJkykhuFxyTdcSyB3rLnqP7YZFCG9oE7UFQhl2T:Oc2jy/7+nA1abqP7YfCG9N7ry
TLSH T112A3456DBAF4C6A5D0F68633A6A1F6B2D46ADC9B91707947DC8CFA10F8B34E4DC54020
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 96e8ccccccd8e48e (2 x RedLineStealer, 1 x Formbook)
Reporter KdssSupport
Tags:dropped exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
202
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/281835/
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62b187e2bc1f1524603c275d/reports/99281bb5-1ef1-4d9c-9d3a-4646209c0494/overview
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c57b2311-2921-40ed-9b01-83a4e6b6d503
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1016910
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected MSILDownloaderGeneric
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 649406 Sample: vbc (2).exe.vir Startdate: 21/06/2022 Architecture: WINDOWS Score: 100 44 www.yuiseika.com 2->44 46 www.ut1r92k4.xyz 2->46 48 2 other IPs or domains 2->48 72 Snort IDS alert for network traffic 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 Antivirus detection for URL or domain 2->76 78 9 other signatures 2->78 11 vbc (2).exe.exe 15 4 2->11         started        signatures3 process4 dnsIp5 56 cdn.discordapp.com 162.159.135.233, 443, 49731 CLOUDFLARENETUS United States 11->56 58 192.168.2.1 unknown unknown 11->58 42 C:\Users\user\AppData\...\vbc (2).exe.exe.log, ASCII 11->42 dropped 84 Writes to foreign memory regions 11->84 86 Injects a PE file into a foreign processes 11->86 16 InstallUtil.exe 11->16         started        19 cmd.exe 1 11->19         started        file6 signatures7 process8 signatures9 62 Modifies the context of a thread in another process (thread injection) 16->62 64 Maps a DLL or memory area into another process 16->64 66 Sample uses process hollowing technique 16->66 68 2 other signatures 16->68 21 explorer.exe 16->21 injected 25 conhost.exe 19->25         started        27 timeout.exe 1 19->27         started        process10 dnsIp11 50 www.wona-nyc.com 185.68.16.31, 49848, 80 UKRAINE-ASUA Ukraine 21->50 52 www.xiaojiaowanwan.com 103.224.182.242, 49850, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 21->52 54 14 other IPs or domains 21->54 80 System process connects to network (likely due to code injection or exploit) 21->80 82 Performs DNS queries to domains with low reputation 21->82 29 rundll32.exe 1 12 21->29         started        signatures12 process13 dnsIp14 60 www.ffffcc.xyz 29->60 88 System process connects to network (likely due to code injection or exploit) 29->88 90 Tries to steal Mail credentials (via file / registry access) 29->90 92 Performs DNS queries to domains with low reputation 29->92 94 4 other signatures 29->94 33 cmd.exe 2 29->33         started        36 cmd.exe 1 29->36         started        signatures15 process16 signatures17 70 Tries to harvest and steal browser information (history, passwords, etc) 33->70 38 conhost.exe 33->38         started        40 conhost.exe 36->40         started        process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9454ba36d9a763b8543f599961cafb7a33397340ccb59b17921748771d49cd43/
Threat name:
Win32.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-06-21 08:56:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=srklunwzu5r3qvb7lgmwdsx3pizts42azs2zwf4sc5ehohkjzvbq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:formbook family:xloader campaign:uu0p loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220621-kv1m3segd6/
Behaviour
Delays execution with timeout.exe
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Reads user/profile data of web browsers
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
9454ba36d9a763b8543f599961cafb7a33397340ccb59b17921748771d49cd43
MD5 hash:
fc2ab61fce7f203add8bd65a77df7de5
SHA1 hash:
423261d0362864ecc99f05a726a940b33b69f5df
Link:
https://www.unpac.me/results/cfba98e9-dec4-47b4-b4a1-eb260e51f7ca/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9454ba36d9a7/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/9454ba36d9a763b8543f599961cafb7a33397340ccb59b17921748771d49cd43

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:meth_get_eip
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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:SUSP_Discord_Attachments_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information

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

Web download

Formbook

Executable exe 9454ba36d9a763b8543f599961cafb7a33397340ccb59b17921748771d49cd43

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2245751/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/281835/

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