MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6fd8c63bf53f7364e54505eb98e1b6fc005fbb691a65680e400e7b9104ad1795. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments

SHA256 hash: 6fd8c63bf53f7364e54505eb98e1b6fc005fbb691a65680e400e7b9104ad1795
SHA3-384 hash: 46776b7051600c1fc4fb54b8bce2710c0181b4c137e8c9d801405729e929fb03a627e5429a2a720e30ee29991056a73e
SHA1 hash: ae3cb4a0103f8daa9ec8f6dc00b6bfeb3f1c52ca
MD5 hash: e1d1316d5bc047ec817b950286734ed0
humanhash: nebraska-louisiana-mountain-mobile
File name:Nouveau bon de commande. 3007021_pdf.exe
Download: download sample
Signature Formbook
File size:1'327'104 bytes
First seen:2021-08-03 18:09:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'647 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 24576:gzeFrYS/d3kYdkhlOAnxHRrjz+LVL+eQBDmwRGPoN7vdiTbnFM:5H2lOAnxHRrjz+ZL+eum/PoiM
Threatray 7'264 similar samples on MalwareBazaar
TLSH T1EA550135898CDBEACC9C03760F8C02B43EF29496B1B0E6B53E5A47B1E5C4D1AE579742
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
190
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Nouveau bon de commande. 3007021_pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-08-03 18:12:33 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 458861 Sample: Nouveau bon de commande. 30... Startdate: 03/08/2021 Architecture: WINDOWS Score: 100 36 www.signin-solution.com 2->36 38 www.travelawardsguide.com 2->38 40 2 other IPs or domains 2->40 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 6 other signatures 2->50 11 Nouveau bon de commande. 3007021_pdf.exe 3 2->11         started        signatures3 process4 file5 28 Nouveau bon de com...3007021_pdf.exe.log, ASCII 11->28 dropped 14 Nouveau bon de commande. 3007021_pdf.exe 11->14         started        process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 30 handybusy.com 162.241.218.97, 49742, 80 UNIFIEDLAYER-AS-1US United States 17->30 32 indiadesignstory.com 160.153.138.219, 49744, 80 GODADDY-AMSDE United States 17->32 34 15 other IPs or domains 17->34 42 System process connects to network (likely due to code injection or exploit) 17->42 21 WWAHost.exe 17->21         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-31 09:43:11 UTC
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat suricata
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
CustAttr .NET packer
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.trucktodock.com/ajs8/
Unpacked files
SH256 hash:
588f2ac1dd97c415745c16ba95f99402202c6dcabea07dae911c593b85f6c852
MD5 hash:
475b54372734dad71380ac44deb96d2a
SHA1 hash:
9f7055471dfca2af9e5cf7ead69eec48e69f650a
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
a754dcf3f0a085543f111b4ca85fc94c51480e8ffd2a7428d1711ded498d987d
MD5 hash:
8647a9f86914027c4dd5c34da3f593f1
SHA1 hash:
d54fdd606cb7d1b6a82a8c2ac3b742edc879c9bd
SH256 hash:
97d2fa1d01b2f9a2199896e05e0cf60c14a9f41ef2d72e15fbb862b7afa08438
MD5 hash:
68463851c0e6fe7a254c99fae763d454
SHA1 hash:
4587a5371d88c296a0184fe47ee0c5245b187127
SH256 hash:
6fd8c63bf53f7364e54505eb98e1b6fc005fbb691a65680e400e7b9104ad1795
MD5 hash:
e1d1316d5bc047ec817b950286734ed0
SHA1 hash:
ae3cb4a0103f8daa9ec8f6dc00b6bfeb3f1c52ca
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:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Malspam

Formbook

Executable exe 6fd8c63bf53f7364e54505eb98e1b6fc005fbb691a65680e400e7b9104ad1795

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment

Comments