MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af3efb1470cc4818ac5cc03b516aa833df1635a311745b78b58406b46886ad04. 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

SHA256 hash: af3efb1470cc4818ac5cc03b516aa833df1635a311745b78b58406b46886ad04
SHA3-384 hash: 37cd4313ed6fcea96128b8ea9cd1e0d6cb3c669104a303cafc0a4ce1d5b8964ac59e7bb39c3ce018466ad1f0a54e6f34
SHA1 hash: df5d9f028dac81f755a762e1f7492be45d937981
MD5 hash: befa0dc5a5b4004f86041ee9cefaebe8
humanhash: montana-papa-bluebird-shade
File name:af3efb1470cc4818ac5cc03b516aa833df1635a311745b78b58406b46886ad04
Download: download sample
Signature Formbook
File size:925'184 bytes
First seen:2022-04-11 12:59:03 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 24576:Q3PzWIpSFA4nIVcTqsRLVc3Qy5INKl5a4eF5:Q3kFA4nQsg3QWeKMF
Threatray 14'748 similar samples on MalwareBazaar
TLSH T13915F121F3729906C47C4EF388A6469B4B71C5119411C2CB3BF9368B8932F9B397976B
File icon (PE):PE icon
dhash icon 71e89ebab2aeec70 (14 x AgentTesla, 13 x Loki, 13 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
246
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment swift.doc
Verdict:
Malicious activity
Analysis date:
2022-04-11 23:52:51 UTC
Tags:
ole-embedded loader

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

Behaviour
Searching for the window
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe greyware obfuscated packed remote.exe replace.exe update.exe
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 607100 Sample: 7mectlZRtV Startdate: 11/04/2022 Architecture: WINDOWS Score: 100 31 www.givi.xyz 2->31 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 11 other signatures 2->43 11 7mectlZRtV.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\7mectlZRtV.exe.log, ASCII 11->29 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 15 7mectlZRtV.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 3 15->18 injected process9 dnsIp10 33 www.vibeplot.com 18->33 35 vibeplot.com 34.102.136.180, 49785, 80 GOOGLEUS United States 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 svchost.exe 18->22         started        signatures11 process12 signatures13 47 Self deletion via cmd delete 22->47 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-11 13:00:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:r2y0 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
007694272e71c5aa5e99bee9e6f9a48bd591a5f1d84f7e4d82b86d32570815b0
MD5 hash:
df10f342c5a36206cae9c53f0fbda9dd
SHA1 hash:
fc0e8645a7ed3fe8eb6a6ec45e34753baa2b1461
SH256 hash:
37b027aadd04229177da6721bc3e0d8f84e9ccf2464ee2d80e72d75275253471
MD5 hash:
ab717d767a536d3f7c3424a6aca20407
SHA1 hash:
bc5b8c77ce0c16f87d6c0fb950ef76ae9a90b88f
SH256 hash:
af3efb1470cc4818ac5cc03b516aa833df1635a311745b78b58406b46886ad04
MD5 hash:
befa0dc5a5b4004f86041ee9cefaebe8
SHA1 hash:
df5d9f028dac81f755a762e1f7492be45d937981
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 af3efb1470cc4818ac5cc03b516aa833df1635a311745b78b58406b46886ad04

(this sample)

  
Delivery method
Distributed via e-mail attachment

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