MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f773778f6eb4e9aa3ab3bd385409acd50081e57aed0e44bbda6308310e8c7316. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f773778f6eb4e9aa3ab3bd385409acd50081e57aed0e44bbda6308310e8c7316
SHA3-384 hash: 54fa3a91ae6e662fab55e5f42ce292e577b1e052dbf69776dfde86d54fc32b9de29eb3b2012dea0714d3ffc50e6b4553
SHA1 hash: 1ddc67d977ef11f31a8c8b7a88fd854a921e3866
MD5 hash: da9a36b6309b598ebccf383b6263bb65
humanhash: uncle-cola-alanine-island
File name:da9a36b6309b598ebccf383b6263bb65.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'145'344 bytes
First seen:2020-11-12 18:11:46 UTC
Last seen:2024-07-24 23:10:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:sXZjeRc/vWsHDRpnc5ogKifEvbWCNxxyd3+Yba4mI:sXZjDX5V6SgKhzSjB
TLSH 49355B9D721076EFC85BD462DAA81C68EB60747B831F4213A42755EDEE4D88BCF244F2
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/533042
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected unpacking (changes PE section rights)
Injects a PE file into a foreign processes
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 dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 315624 Sample: HN1YzQ2L5v.exe Startdate: 12/11/2020 Architecture: WINDOWS Score: 100 43 www.juniperxchange.com 2->43 45 shops.myshopify.com 2->45 47 juniperxchange.myshopify.com 2->47 55 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Multi AV Scanner detection for dropped file 2->59 61 9 other signatures 2->61 11 HN1YzQ2L5v.exe 7 2->11         started        signatures3 process4 file5 37 C:\Users\user\AppData\...\aCnSBSDdrSxTD.exe, PE32 11->37 dropped 39 C:\Users\user\AppData\Local\...\tmpC43C.tmp, XML 11->39 dropped 41 C:\Users\user\AppData\...\HN1YzQ2L5v.exe.log, ASCII 11->41 dropped 65 Detected unpacking (changes PE section rights) 11->65 67 Tries to detect virtualization through RDTSC time measurements 11->67 69 Injects a PE file into a foreign processes 11->69 71 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 11->71 15 HN1YzQ2L5v.exe 11->15         started        18 schtasks.exe 1 11->18         started        20 HN1YzQ2L5v.exe 11->20         started        signatures6 process7 signatures8 79 Modifies the context of a thread in another process (thread injection) 15->79 81 Maps a DLL or memory area into another process 15->81 83 Sample uses process hollowing technique 15->83 85 Queues an APC in another process (thread injection) 15->85 22 explorer.exe 15->22 injected 26 conhost.exe 18->26         started        process9 dnsIp10 49 habcreditrepair.com 34.102.136.180, 49738, 49742, 80 GOOGLEUS United States 22->49 51 www.gamesuptodate.com 204.11.56.48, 49741, 80 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 22->51 53 3 other IPs or domains 22->53 63 System process connects to network (likely due to code injection or exploit) 22->63 28 NETSTAT.EXE 22->28         started        31 autochk.exe 22->31         started        signatures11 process12 signatures13 73 Modifies the context of a thread in another process (thread injection) 28->73 75 Maps a DLL or memory area into another process 28->75 77 Tries to detect virtualization through RDTSC time measurements 28->77 33 cmd.exe 1 28->33         started        process14 process15 35 conhost.exe 33->35         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f773778f6eb4e9aa3ab3bd385409acd50081e57aed0e44bbda6308310e8c7316/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-11-12 15:42:44 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=65zxpd3owtu2uovtxu4ficnm2uaidzl25uhejo62mmedcdumomla._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/201112-4br7m479s6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.enovasea.com/mlr/
Unpacked files
SH256 hash:
f773778f6eb4e9aa3ab3bd385409acd50081e57aed0e44bbda6308310e8c7316
MD5 hash:
da9a36b6309b598ebccf383b6263bb65
SHA1 hash:
1ddc67d977ef11f31a8c8b7a88fd854a921e3866
Link:
https://www.unpac.me/results/4bd8765a-ccd9-4b74-9b6f-2b157391d945/
SH256 hash:
c8671a87d685f2354d96f3cfcad530dfa5f3ec535a0f5ec14940d81fb857813b
MD5 hash:
b5358f677850210361f573c7d249c258
SHA1 hash:
215e06e319515d779efa88f7c05b343d6ec3f6a5
Link:
https://www.unpac.me/results/4bd8765a-ccd9-4b74-9b6f-2b157391d945/
SH256 hash:
6420d962cbd502f9aacaa7eb1cf919501966a89112d66b83d4dca6654713aa50
MD5 hash:
14c3aebc22654c463892a233c76c8a2e
SHA1 hash:
3d04c7eaeea4c2d13e3da5a90c23d95e348e5ea2
Link:
https://www.unpac.me/results/4bd8765a-ccd9-4b74-9b6f-2b157391d945/
SH256 hash:
c6fcf5d515d56cf746b4c4aa4695f11e9ad7f6063a96cda810bf39dc47c5a7a0
MD5 hash:
47509d9db24c975e55c287afdc459fad
SHA1 hash:
4f1f893555c985d7cbba731cf1fdbf49c6ecf793
Link:
https://www.unpac.me/results/4bd8765a-ccd9-4b74-9b6f-2b157391d945/
SH256 hash:
c4b3566ac9e178874987655bf8b3783bc45cb450e335db3cffd1d47e19b750f5
MD5 hash:
326141685ec96bc4bf0b8f2d481f0781
SHA1 hash:
54258aceea9f7421f6cfde1e1258f82c9c94c963
Link:
https://www.unpac.me/results/4bd8765a-ccd9-4b74-9b6f-2b157391d945/
SH256 hash:
dbe5870d7a3623427e2a3dc75031233878a8ab0cefa8324d423e2ae98b4342ad
MD5 hash:
0abbafee4474faca8c0321fc7a3445a7
SHA1 hash:
8199da6599978f25e97d29b68f7a68a231bed46f
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/4bd8765a-ccd9-4b74-9b6f-2b157391d945/
Parent samples :
68357db2a89dda1c9dc7b89d5f937e615e26c885dac2109d7c6c7e303c93c4ec
5c262eeac56f9ceeb0b44f0b0c46535aa23c3f1317d2c03148648342854fb98c
caed3382f2c691a1a3b7b424c7f00fd3d1bafb3a34f23ee424bcac165b6edf04
f773778f6eb4e9aa3ab3bd385409acd50081e57aed0e44bbda6308310e8c7316
71fa0160ef98f5ebf3f957f156a5368e2010b831e5f5ee618d2e414c29625987
4701e1d0065893d2d05cc0450f8f435e2644299b1beae3d4dd1a9758514d1d6f
dd1b3508cfb8aeb7f9ec8ad9a96bda852f499fb57b8cce55d076e1ce20d89daf
fc616c5cd59810cbfb8418141b2a652b92dd5163a8b9adfa54c79024916f17f2
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:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del

File information

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

Web download

Formbook

Executable exe f773778f6eb4e9aa3ab3bd385409acd50081e57aed0e44bbda6308310e8c7316

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/810597/
  
Delivery method
Distributed via web download

Comments