MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6810f77478c037f70109dfb99877a6dd3bd80496ee7cc304027f2803a2209ab5. 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 3 File information Comments

SHA256 hash: 6810f77478c037f70109dfb99877a6dd3bd80496ee7cc304027f2803a2209ab5
SHA3-384 hash: 304079370c49ec8d5c24b6235a683f053f3ac043df8ff4b289dad5faea1f2df72937d42ab406316beaf51901e22528f4
SHA1 hash: 7b44603bd4a0c37b6f65efb05c7ebfd8af75b664
MD5 hash: 8810f6f28f0a126b784c9d35b9580505
humanhash: march-wyoming-ceiling-xray
File name:0877123.exe
Download: download sample
Signature Formbook
File size:297'302 bytes
First seen:2021-11-25 13:11:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGi/XQuNKOMstyOlAziFvpC339vkTR48+0bxz0Pr+o4ln1avVB/Jt:bQDPsZgiFvs339vn6ov4lnqzt
Threatray 11'601 similar samples on MalwareBazaar
TLSH T13254224BA2D29477E5411335493ADEF8E6FBC8D4849475AB0FC12F762D7ADCA0C0B1A2
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter cocaman
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
157
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0877123.exe
Verdict:
Malicious activity
Analysis date:
2021-11-25 13:31:09 UTC
Tags:
installer

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

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
Launching cmd.exe command interpreter
DNS request
Reading critical registry keys
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
60%
Tags:
overlay packed
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
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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
Self deletion via cmd delete
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 528574 Sample: 0877123.exe Startdate: 25/11/2021 Architecture: WINDOWS Score: 100 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for dropped file 2->41 43 6 other signatures 2->43 10 0877123.exe 17 2->10         started        process3 file4 31 C:\Users\user\AppData\...\gbwxhiecxt.dll, PE32 10->31 dropped 33 C:\Users\user\AppData\Local\...\v5c3qg7gve4, DOS 10->33 dropped 53 Tries to detect virtualization through RDTSC time measurements 10->53 55 Injects a PE file into a foreign processes 10->55 14 0877123.exe 10->14         started        signatures5 process6 signatures7 57 Modifies the context of a thread in another process (thread injection) 14->57 59 Maps a DLL or memory area into another process 14->59 61 Sample uses process hollowing technique 14->61 63 Queues an APC in another process (thread injection) 14->63 17 explorer.exe 5 154 14->17         started        20 explorer.exe 14->20 injected process8 dnsIp9 35 192.168.2.1 unknown unknown 17->35 22 svchost.exe 17->22         started        process10 signatures11 45 Self deletion via cmd delete 22->45 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49 51 Tries to detect virtualization through RDTSC time measurements 22->51 25 cmd.exe 1 22->25         started        27 explorer.exe 2 171 22->27         started        process12 process13 29 conhost.exe 25->29         started       
Threat name:
Win32.Trojan.LokiBot
Status:
Malicious
First seen:
2021-11-25 13:45:07 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:w6ya rat spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.truth-capturemachine.com/w6ya/
Unpacked files
SH256 hash:
6810f77478c037f70109dfb99877a6dd3bd80496ee7cc304027f2803a2209ab5
MD5 hash:
8810f6f28f0a126b784c9d35b9580505
SHA1 hash:
7b44603bd4a0c37b6f65efb05c7ebfd8af75b664
Malware family:
FormBook
Verdict:
Malicious
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: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 6810f77478c037f70109dfb99877a6dd3bd80496ee7cc304027f2803a2209ab5

(this sample)

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