MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 11b9bbc9097d7b715e177ab57fd8669891dcc9241441036418a5f254d36f2edd. 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 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 11b9bbc9097d7b715e177ab57fd8669891dcc9241441036418a5f254d36f2edd
SHA3-384 hash: 704a7aa3800eef1a0ef7ec454d637af295c1c6ae0c68a6b0f4e296459e03a2046ee0bde05eba33e6417cb09b25796312
SHA1 hash: d522c963208031cb5425807f0c70b952fe6c1996
MD5 hash: 915b50267cf80486654da87f91523f27
humanhash: one-three-montana-glucose
File name:loader1.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:315'138 bytes
First seen:2021-12-10 09:30:23 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:rGi1H9W2dfLoZGf7JAOrlVaVG8nNl92a6uqeSL0CgLcAEY6FVY:Fw2dfj7trbaw8l2laSvgLbEc
TLSH T126641395A0C2BBB7FF911532917B53F4F3B99A6400051E4F9B302F3F3DA6543466A291
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter pr0xylife
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
146
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
payment copy.xlsx
Verdict:
Malicious activity
Analysis date:
2021-12-10 08:30:33 UTC
Tags:
encrypted trojan opendir exploit CVE-2017-11882 loader formbook stealer
Link:
https://app.any.run/tasks/d5cff88b-0230-4c49-a49e-5ef6bd8ac5b8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/213115/
Detection(s):
SecuriteInfo.com.Trojan.Siggen16.3392.5858.29539.UNOFFICIAL
Create hunting rule

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
Сreating synchronization primitives
Searching for synchronization primitives
DNS request
Launching a process
Launching cmd.exe command interpreter
Sending a custom TCP request
Sending an HTTP GET request
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/1523/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/61b31e5947ed217c0138fd85/reports/9917c328-16dd-4bb6-8fcc-79dc9c1beba6/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e6f7a281-169b-41fe-bb3a-278e2c646d6c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/905208
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 537688 Sample: loader1.exe Startdate: 10/12/2021 Architecture: WINDOWS Score: 100 31 www.mauroadrianbioexistencia.com 2->31 33 mauroadrianbioexistencia.com 2->33 35 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 3 other signatures 2->41 11 loader1.exe 17 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\vnbgpyabc.dll, PE32 11->29 dropped 51 Tries to detect virtualization through RDTSC time measurements 11->51 53 Injects a PE file into a foreign processes 11->53 15 loader1.exe 11->15         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 59 Sample uses process hollowing technique 15->59 61 Queues an APC in another process (thread injection) 15->61 18 explorer.exe 15->18 injected process9 process10 20 cmmon32.exe 18->20         started        signatures11 43 Self deletion via cmd delete 20->43 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 23 cmd.exe 1 20->23         started        25 explorer.exe 1 155 20->25         started        process12 process13 27 conhost.exe 23->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/11b9bbc9097d7b715e177ab57fd8669891dcc9241441036418a5f254d36f2edd/
Threat name:
Win32.Trojan.InjectorX
Create hunting rule
Status:
Malicious
First seen:
2021-12-09 17:06:18 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:fa0s loader persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/211210-lg2tnagac5/
Behaviour
Gathers network information
Modifies Internet Explorer settings
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
NSIS installer
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Adds policy Run key to start application
Executes dropped EXE
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.augsburgtag.com/fa0s/
Unpacked files
SH256 hash:
11b9bbc9097d7b715e177ab57fd8669891dcc9241441036418a5f254d36f2edd
MD5 hash:
915b50267cf80486654da87f91523f27
SHA1 hash:
d522c963208031cb5425807f0c70b952fe6c1996
Link:
https://www.unpac.me/results/cb0297b0-d4c6-44ee-9c85-4f3a73d39cd0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/11b9bbc9097d7b715e177ab57fd8669891dcc9241441036418a5f254d36f2edd

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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_formbook_auto
Create hunting rule
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.

Web download

Formbook

Executable exe 11b9bbc9097d7b715e177ab57fd8669891dcc9241441036418a5f254d36f2edd

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1866461/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/213115/

Comments


Avatar
proxylife commented on 2021-12-10 09:30:29 UTC

http://172.245.163.151/flv/loader1.exe