MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e16b93c04940c45684dbdae5dd754b56235c72f5816af3955400371db5ef11a. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments

SHA256 hash: 1e16b93c04940c45684dbdae5dd754b56235c72f5816af3955400371db5ef11a
SHA3-384 hash: 1fabd78571506cb18a0f4401b792a6833fa5f2139c49e9f015a1b920588bd348c2719fcca108fc813de14368bb6b5152
SHA1 hash: 15465be4adf86150302323dc4d234a8b86de9f96
MD5 hash: 963267ebad887cb6b32ba708ffaf3a93
humanhash: glucose-high-island-arkansas
File name:REQUEST_DOC_2021-984893992883929.exe
Download: download sample
Signature Formbook
File size:793'088 bytes
First seen:2021-08-31 18:49:08 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 12288:iAki7fmTBSO20qzeoGhaLme63dAIJCFHpX0mDrYSxe:yi7Xp0DJMmz3+IUJh0mnY
TLSH T1CFF40C7F19BDA127A175C2F58BD78423F0018BAF31206925B6D643164323A7AB5F336E
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
301
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
REQUEST_DOC_2021-984893992883929.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-31 18:50:22 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-31 18:47:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:im8r rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.5201314.mobi/im8r/
Unpacked files
SH256 hash:
c32d28c6475b3b24cac8b0d3354394f483fe4274178a844edacba4d3d949771a
MD5 hash:
6870cef3364d1f55c265e632a7008005
SHA1 hash:
7e4dfbabd7ba8840c99060307888cec54d757ead
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
758763d712c27c53a8b85de07582c9a250638b557e8dcfbae7c278f810241ac1
MD5 hash:
8b7d29dc138f646510a835ffc76e6796
SHA1 hash:
bff289517dc53acc9e172e3445fc87d82f8ee351
SH256 hash:
f0fa39e770a319ff86fc334891a2768b27828a58a260626e67ee672ad84274a0
MD5 hash:
371ba6bcd5af4e619e959decc20912ec
SHA1 hash:
78a651b837b20d1a2c42e0abd2e6ba699679aa34
SH256 hash:
1e16b93c04940c45684dbdae5dd754b56235c72f5816af3955400371db5ef11a
MD5 hash:
963267ebad887cb6b32ba708ffaf3a93
SHA1 hash:
15465be4adf86150302323dc4d234a8b86de9f96
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:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
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.

  
Delivery method
Other

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