MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b47cf0eaed7e3798e77eaf01aac5783f2c03f7db7802a5215523d4ccdc631bc5. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b47cf0eaed7e3798e77eaf01aac5783f2c03f7db7802a5215523d4ccdc631bc5
SHA3-384 hash: fd80731d07d899280d99c06592bb59aeb637509ecd66d6c5baee1d8190c4545a038c59b4872dacf221a0948e884c1b7c
SHA1 hash: ed0eaa1b2d7636d74713c86548842cdb72b8c8cd
MD5 hash: 960b0f8219762d17f6f47ee76275c7c1
humanhash: video-carbon-yellow-avocado
File name:960b0f8219762d17f6f47ee76275c7c1
Download: download sample
Signature Formbook
Create hunting rule
File size:300'032 bytes
First seen:2022-08-31 08:26:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:eqJT5/+TVlkf7jWDUaLOjYmCVdKrLVi2D9y4CUFHHv:e61+BIjbaafCi/Vi2D9yJU1
TLSH T1BB54E0CD63D44CA3D52D1E7EFB294A84D22BC201FE86426BC4F811EF5FC22AD69B2545
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
247
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/306749/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/630f1caee1fbecb8988263ac/reports/50def5ce-1dad-4504-b5cc-f106a5941196/overview
Result
Verdict:
UNKNOWN
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.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1061433
Behaviour
Behavior Graph:
n/a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b47cf0eaed7e3798e77eaf01aac5783f2c03f7db7802a5215523d4ccdc631bc5/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-08-31 08:27:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wr6pb2xnpy3zrz36v4a2vrlyh4wah563pabkkikvepkmzxdddpcq._file
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:zgtb loader persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/220831-kcemwsdbc6/
Behaviour
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Drops startup file
Reads user/profile data of web browsers
Adds policy Run key to start application
Xloader payload
Formbook
Xloader
Unpacked files
SH256 hash:
bfa12a2456d40d6c32a1f4e35bd43c81f6f67466234faed8fec19397d0e6d808
MD5 hash:
7a7927bac28be846b2fd2a5d10ba0676
SHA1 hash:
67a7b8616fc8e7aa7bb7a6e2521548e67a7caa2d
Link:
https://www.unpac.me/results/90b64198-2f29-407a-a049-68ba7bb3a4ea/
Parent samples :
fb110b1db7c02725d6cb0953cf153a2b5e158d358db136aece90ac06d79cb07d
80dd6d009a2b7ab7aa393d063048320db5ea3920a4fd9cca4a0a76f12183273f
SH256 hash:
4c225ce05701dc7a5191207bbaaeebfe27fd8f6ae8d8171842e6a60ac3afccde
MD5 hash:
fcc02cdc0f599bd244e118a5fc710abb
SHA1 hash:
1dddbd0c7bfdc3343358c51528ede1f35ddb32c3
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
XLoader
Create hunting rule
Link:
https://www.unpac.me/results/90b64198-2f29-407a-a049-68ba7bb3a4ea/
Parent samples :
04e6039e29e0b8f6fb1ec1502a3225c74c4c18f6c0ba1ce10eb2c834ede7f149
a7492a3e2caa18c09290209462772d7356966ed9fe91f86830284d950604b300
17c2bc113099a0d8287c5aeeb76dc5386333256ca8245d2da83a8749bef1d350
0b3fffd1de700b6d54df6bd954e66c523292484ce0686fb0ae5750b57734a0dd
112c01d48613316c5620071a1d3900e798d7421445b1a5174b2a56c228c5c3c2
7d850c7483817ae91c6b6dde59c22141b754d04ec2e0985ffcd85b08f2e9ae58
b47cf0eaed7e3798e77eaf01aac5783f2c03f7db7802a5215523d4ccdc631bc5
SH256 hash:
b47cf0eaed7e3798e77eaf01aac5783f2c03f7db7802a5215523d4ccdc631bc5
MD5 hash:
960b0f8219762d17f6f47ee76275c7c1
SHA1 hash:
ed0eaa1b2d7636d74713c86548842cdb72b8c8cd
Link:
https://www.unpac.me/results/90b64198-2f29-407a-a049-68ba7bb3a4ea/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b47cf0eaed7e/report/overview.html
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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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 b47cf0eaed7e3798e77eaf01aac5783f2c03f7db7802a5215523d4ccdc631bc5

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2286395/
Cape
Cape
https://www.capesandbox.com/analysis/306749/

Comments


Avatar
zbet commented on 2022-08-31 08:26:33 UTC

url : hxxp://95.214.24.120/vect/NBXCJHDSD.exe