MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 818f9ba3c7565feb703c742d5e4a8134582cc419dbbf315df8e96a2eacc3b710. 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: 17


Intelligence 17 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 818f9ba3c7565feb703c742d5e4a8134582cc419dbbf315df8e96a2eacc3b710
SHA3-384 hash: 49af6a4c2c495a29f7748d2b26599a073a5507992ec74eca86236b31d3dff0ac6b13998547acf0968b55239aa0e2bbac
SHA1 hash: b13b6d2d1e9eca3f87c22d6f2eebbf39b0ee6e0b
MD5 hash: 721d7f2dfc6c49e0e11e87361ac493d5
humanhash: beer-purple-october-nitrogen
File name:THP-20381508-2023NP.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:336'907 bytes
First seen:2023-11-13 12:04:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:wBlL/9bp63FQUD4MAwlpKd9mgTRm+YMCpGAqgQM5KEDTgYsMiJw75r8Uo3ues8y:C/bpeREMAapKd9jTs+YMCpGJM5KEDTge
TLSH T1C064232159D248BBD72326B1ABFA362CD1A7CC4C1F3681CBE7388F0A7E51596ED01857
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter cocaman
Tags:exe FormBook payment

Intelligence

File Origin
# of uploads :
1
# of downloads :
319
Origin country :
CH CH
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/458334/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.24762.4266.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
DNS request
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/655210b9993fbf888b73a5ae/reports/aacc0b1c-3afa-4bd2-b2a9-a819d03f7ce5/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/818f9ba3c7565feb703c742d5e4a8134582cc419dbbf315df8e96a2eacc3b710
Result
Verdict:
MALICIOUS
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:
Conti
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/88969e76-7eb9-4a81-83b3-f3eac2f8094a
Result
Threat name:
FormBook, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1341676
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
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 domain / URL
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
Uses netsh to modify the Windows network and firewall settings
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1341676 Sample: THP-20381508-2023NP.exe Startdate: 13/11/2023 Architecture: WINDOWS Score: 100 34 www.ytgrowthhub.com 2->34 36 www.truepanthersecurity.info 2->36 38 16 other IPs or domains 2->38 54 Snort IDS alert for network traffic 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Found malware configuration 2->58 60 9 other signatures 2->60 12 THP-20381508-2023NP.exe 17 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\meugimuo.exe, PE32 12->32 dropped 15 meugimuo.exe 12->15         started        process6 signatures7 72 Detected unpacking (changes PE section rights) 15->72 74 Machine Learning detection for dropped file 15->74 76 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->76 78 2 other signatures 15->78 18 meugimuo.exe 15->18         started        process8 signatures9 46 Modifies the context of a thread in another process (thread injection) 18->46 48 Maps a DLL or memory area into another process 18->48 50 Sample uses process hollowing technique 18->50 52 Queues an APC in another process (thread injection) 18->52 21 explorer.exe 39 1 18->21 injected process10 dnsIp11 40 www.stove-mk.bond 104.247.82.91, 49721, 80 TEAMINTERNET-CA-ASCA Canada 21->40 42 orlandosfencing.com 15.197.142.173, 49717, 80 TANDEMUS United States 21->42 44 8 other IPs or domains 21->44 62 System process connects to network (likely due to code injection or exploit) 21->62 64 Uses netsh to modify the Windows network and firewall settings 21->64 25 netsh.exe 21->25         started        signatures12 process13 signatures14 66 Modifies the context of a thread in another process (thread injection) 25->66 68 Maps a DLL or memory area into another process 25->68 70 Tries to detect virtualization through RDTSC time measurements 25->70 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/818f9ba3c7565feb703c742d5e4a8134582cc419dbbf315df8e96a2eacc3b710
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/818f9ba3c7565feb703c742d5e4a8134582cc419dbbf315df8e96a2eacc3b710/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2023-11-13 12:00:29 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qghzxi6hkzp6w4b4oqwv4subgrmczraz3o7tcxpy5fvc5lgdw4ia._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:st58 rat spyware stealer trojan
Link:
https://tria.ge/reports/231113-n8lb4ace2t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
699c8d76ae54afb8e500dcd376031594d3cf40a5079a8c1d0aa4e37a8ce914d7
MD5 hash:
02e5c5593b536198b4bc23bec43601fe
SHA1 hash:
6516700de5bc8e495a9c1f50dc31ebff27f50985
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/322dc34e-e045-4a9a-a9f4-874582f75a3e/
Parent samples :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 hash:
450d7be5b1342123abbf7a7e9a4c28d2f52655061f0d8b8d53268dc494168e8d
MD5 hash:
41488b4550e0f69f434744194c1b195f
SHA1 hash:
75996528c79b770c6832dd6351d52789b269a5af
Link:
https://www.unpac.me/results/322dc34e-e045-4a9a-a9f4-874582f75a3e/
SH256 hash:
818f9ba3c7565feb703c742d5e4a8134582cc419dbbf315df8e96a2eacc3b710
MD5 hash:
721d7f2dfc6c49e0e11e87361ac493d5
SHA1 hash:
b13b6d2d1e9eca3f87c22d6f2eebbf39b0ee6e0b
Link:
https://www.unpac.me/results/322dc34e-e045-4a9a-a9f4-874582f75a3e/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/818f9ba3c756/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/818f9ba3c7565feb703c742d5e4a8134582cc419dbbf315df8e96a2eacc3b710

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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants

File information

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

Malspam

Formbook

r00 185b362993337d5f0e27e160d73f48352787fd64b22e92bf3af0113d3684be7c

Formbook

Executable exe 818f9ba3c7565feb703c742d5e4a8134582cc419dbbf315df8e96a2eacc3b710

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 185b362993337d5f0e27e160d73f48352787fd64b22e92bf3af0113d3684be7c
Cape
Cape
https://www.capesandbox.com/analysis/458334/
  
Dropped by
MD5 27beae0660eb5de3db81e2974f9f2221

Comments