MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f140ff41e79cf738d424556d3e3dfa7f7aef0d2d3991faa348d6090cc19f1da4. 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 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f140ff41e79cf738d424556d3e3dfa7f7aef0d2d3991faa348d6090cc19f1da4
SHA3-384 hash: 34103d1022b981bf353458c7e8a635860534f6b617f402eed8cfef76c6478a16305839f7f10bb578c2b2c13467871b30
SHA1 hash: c760a4b633234ae74b6b093d93433d803c31451e
MD5 hash: aa205cebb1ffbbf7b96723fe050920f4
humanhash: robin-foxtrot-fillet-london
File name:aa205cebb1ffbbf7b96723fe050920f4
Download: download sample
Signature Formbook
Create hunting rule
File size:619'008 bytes
First seen:2022-03-31 16:16:35 UTC
Last seen:2022-03-31 16:58:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:gkSegUrURfghwG5D7IvR2MVwhnf/X/yxJ6/btGh1:gkJ+IbeRiff6Ubs1
TLSH T1BCD40226B3B44F05C0BBABFD4939008007F6693A7835E79D6E8274EE12B7F829551727
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
211
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://www.wellcalls.com/random.exe
Verdict:
Suspicious activity
Analysis date:
2022-03-31 13:30:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5725a6c2-05af-40b6-88df-3562487c1d6c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/260196/
Detection(s):
SecuriteInfo.com.Trojan.MSIL.Noon.lc.19441.31832.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
Link:
https://www.filescan.io/uploads/6245d400a19c649412b3d67a/reports/82775a67-ae79-4d9e-ae9a-d46166e63cbc/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2eed06c1-b938-4817-92a3-c7cd95bb975e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/968504
Behaviour
Behavior Graph:
n/a
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f140ff41e79cf738d424556d3e3dfa7f7aef0d2d3991faa348d6090cc19f1da4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-31 15:05:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:r2y0 rat spyware stealer trojan
Link:
https://tria.ge/reports/220331-trbzzsaffp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
039f971510d4e5c9e7bd3e1bf16a34b5fb13dafea71eb8b243ce27e0d03873fe
MD5 hash:
8d76e3fd5d6b0eadc33ddb034fc78c39
SHA1 hash:
019dabd182345b28948cd9ab212d44e9fd417e32
Link:
https://www.unpac.me/results/bf7302c6-84db-470b-9565-ba5fdf20b55c/
SH256 hash:
613b2819d35360cbfe6c94b2b998d1a4998c89f5bdef505e0e158e1288ab684c
MD5 hash:
3096cbaf4b5d40f9c61bf7ce13fde62f
SHA1 hash:
6b3c580e51fd306bfdc2e727ca3bc7805aba4b53
Link:
https://www.unpac.me/results/bf7302c6-84db-470b-9565-ba5fdf20b55c/
SH256 hash:
f140ff41e79cf738d424556d3e3dfa7f7aef0d2d3991faa348d6090cc19f1da4
MD5 hash:
aa205cebb1ffbbf7b96723fe050920f4
SHA1 hash:
c760a4b633234ae74b6b093d93433d803c31451e
Link:
https://www.unpac.me/results/bf7302c6-84db-470b-9565-ba5fdf20b55c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/f140ff41e79cf738d424556d3e3dfa7f7aef0d2d3991faa348d6090cc19f1da4

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Formbook

Executable exe f140ff41e79cf738d424556d3e3dfa7f7aef0d2d3991faa348d6090cc19f1da4

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2125033/
Cape
Cape
https://www.capesandbox.com/analysis/260196/

Comments


Avatar
zbet commented on 2022-03-31 16:16:40 UTC

url : hxxp://wellcalls.com/random.exe