MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf8acf1b96911444376694bcf0db344d1cb38a92f8cc36f3cc96bcce55bbef3c. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf8acf1b96911444376694bcf0db344d1cb38a92f8cc36f3cc96bcce55bbef3c
SHA3-384 hash: a9c0c7b61921dbdce52648c07cbaa251fe8754bedf418bb1f76cfa99f2e3f057568e195a0b13adf108f9925f645d87ec
SHA1 hash: 4aef25e2624e946875b6e2ed26582d971936820d
MD5 hash: c4c1c87a060cf6b9516eb732fd03f7b9
humanhash: queen-comet-fish-beryllium
File name:PO-I20220052.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:922'112 bytes
First seen:2022-03-30 16:57:58 UTC
Last seen:2022-03-30 17:56:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:9UgjjKJHQPuVAdc006uyI4Hs4RKJdaReZ:/uJH4CVIHs4KnakZ
Threatray 16'519 similar samples on MalwareBazaar
TLSH T1BF15E062DEF82EDAD52BD234441D44FA3E93BB46A22CD549FEB7346A44716C240E2F07
File icon (PE):PE icon
dhash icon 233bbf6de61f1b5c (7 x Formbook, 6 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
254
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/259790/
Detection(s):
SecuriteInfo.com.Suspicious.Win32.Save.a.1711.15078.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62448c1b9253b276b7a9af3a/reports/bda3a30f-8e9e-480a-97e1-c300ffa1128f/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c1fe6a51-a86c-4da1-89ca-c0d408a51ede
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/967771
Behaviour
Behavior Graph:
n/a
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bf8acf1b96911444376694bcf0db344d1cb38a92f8cc36f3cc96bcce55bbef3c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-30 15:08:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=x6fm6g4wsekein3gss6pbwzujuolhcus7dgdn46ms26m4vn3546a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1db0c14308c42fd03886fdef546388f61558e612fce7f7043c28c822ac0c9b5e
Formbook
3987ea55911d57e4f6e97332a95794f8d38465b521f5b27e0372a4598ed702b6
Formbook
780e7dce2d7bd0d03577dcfaf9f2c52a6cb755e1efb3213516c3159a2a324f3a
Formbook
8ea742e271b371fe424d1e2cb3f5227c6a0f2af70161f5c7600148228e2d77c1
Formbook
9050768f69225078f05d535401510a5b361dd071430e40639e869c7247621908
Formbook
96077c533e59e3b8cf38826e5e37e35f1f2eb44d356eae6575223158b565198e
Formbook
ae7d4af56f79abdb03b343dfae7f614e52b4b3e842e1d11cc0c2e0953e74679d
Formbook
bdfe2908b1cc8e3956a0bfa91570cda9ee128dd9baa74d019f2a8f969e92a9a3
Formbook
df1510f64189b49ffeb4630c74af81a86888114102b493f52b5ad1c1cb58d121
Formbook
f80dd0bf7402bebd03d303c97c8dd3f921d3e923a2521f4a2af2e4bf3c288aa1
Formbook
+ 16'509 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:e0ep loader rat suricata
Link:
https://tria.ge/reports/220330-vgv6jsafhp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
4ce3b94228900267a7b8b15d58dd97a397e6c5a040a8ba2e8efacc2d796bdba9
MD5 hash:
f31e3460a181cdea39d8a4ff9bc0bfef
SHA1 hash:
b7b5175d7967390160481f64131139ea06bd6bdf
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/dc6d7e7d-b99b-4d66-93cf-3324343e083a/
Parent samples :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 hash:
684399b22b970fe49083d999dce0445f404b2dd58fe7b180b1e91d4f52569c76
MD5 hash:
cce51ed95eeae1e652df84bd6e248b73
SHA1 hash:
8a47e26795ce03bb98e3ee027895a1e8e717165c
Link:
https://www.unpac.me/results/dc6d7e7d-b99b-4d66-93cf-3324343e083a/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/dc6d7e7d-b99b-4d66-93cf-3324343e083a/
SH256 hash:
bf8acf1b96911444376694bcf0db344d1cb38a92f8cc36f3cc96bcce55bbef3c
MD5 hash:
c4c1c87a060cf6b9516eb732fd03f7b9
SHA1 hash:
4aef25e2624e946875b6e2ed26582d971936820d
Link:
https://www.unpac.me/results/dc6d7e7d-b99b-4d66-93cf-3324343e083a/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/bf8acf1b9691/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/bf8acf1b96911444376694bcf0db344d1cb38a92f8cc36f3cc96bcce55bbef3c

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.

Malspam

Formbook

Executable exe bf8acf1b96911444376694bcf0db344d1cb38a92f8cc36f3cc96bcce55bbef3c

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/259790/

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