MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b21eb6d14eae70e233132e7fa4e99fb282209f1c6ea8ba4d984e9585ee965e87. 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 6 File information Comments 1

SHA256 hash: b21eb6d14eae70e233132e7fa4e99fb282209f1c6ea8ba4d984e9585ee965e87
SHA3-384 hash: f351cbc603a3d3ffde3b0d98be2ed62236d24bf27650fac235bcd9e5e1796f625880bbe6389a852e0068a5d3cdcb2fe2
SHA1 hash: d16ddfebb7f36d76e6bac7f0010326ad51881f66
MD5 hash: 9f61af191c20dc0eb90a92558e74059f
humanhash: river-bakerloo-bacon-island
File name:9f61af191c20dc0eb90a92558e74059f
Download: download sample
Signature Formbook
File size:1'169'408 bytes
First seen:2021-08-02 06:15:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:gJbARFY82gtPM6bSvJPpv1anYsVNGa1buEAr6g/xDvcu11wAyY+O64UzmsRNFDX2:gJkyi34xLN4AyzOQKflisEnZi
Threatray 7'158 similar samples on MalwareBazaar
TLSH T1B445382439FA5029F173EFB64FE4B49ADA6FB6733B0768591091038A4723A41DEC153E
dhash icon 60e0cccccccce060 (5 x Formbook, 5 x AgentTesla, 3 x RedLineStealer)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
723
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
payment-$78000.xlsx
Verdict:
Malicious activity
Analysis date:
2021-08-02 05:22:30 UTC
Tags:
encrypted exploit CVE-2017-11882

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

Behaviour
Unauthorized injection to a recently created process
Creating a file
Sending a custom TCP request
Sending a UDP request
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
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 457703 Sample: 7Ev1UP1uCD Startdate: 02/08/2021 Architecture: WINDOWS Score: 100 35 www.ncylis.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 5 other signatures 2->49 11 7Ev1UP1uCD.exe 3 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\7Ev1UP1uCD.exe.log, ASCII 11->33 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 15 7Ev1UP1uCD.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.66secretgarden.com 54.219.217.177, 49748, 80 AMAZON-02US United States 18->37 39 zhissc.xshoppy.shop 75.2.89.208, 49743, 80 AMAZON-02US United States 18->39 41 2 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 explorer.exe 18->22         started        25 autoconv.exe 18->25         started        27 autofmt.exe 18->27         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 29 cmd.exe 1 22->29         started        process14 process15 31 conhost.exe 29->31         started       
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-02 05:23:08 UTC
AV detection:
13 of 46 (28.26%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook 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.fortmyerscruisevacation.com/dd2v/
Unpacked files
SH256 hash:
6ea4e16d179569744f0a982a7eb5ba4b28b08848f1a018a1c66466cd7e5eaaee
MD5 hash:
efd667c98f88b6998d49297bc8f48109
SHA1 hash:
eb90d8391aec6a936f4a0c283233599e43b244cc
SH256 hash:
c1bd5a120b3c7a91a7489bfa5c2450058fd23223265c03a8259072477dc167f1
MD5 hash:
540577f8b60e9a263a697706704572f5
SHA1 hash:
d8d53aaa3f99695e0bf6a652da5101cf6449ddd0
SH256 hash:
341d555c39395a03d01eb09b53a8ab993351c0988da9333b6d3c5cab51104538
MD5 hash:
f72d8916281c77235e2e43d1b68fc3bd
SHA1 hash:
cdd87c906830d1a19ca19ea59ede59e38ec51803
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
12bb4a0e9b51e282572933fbc536ced47f487a42e32ed7fc202cf41d07861525
MD5 hash:
88577ab1e4fdd5b802e6ba297308d7bd
SHA1 hash:
af239bbca2f65d41c997dcc2facad7f76de9787d
SH256 hash:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
SH256 hash:
655a6859192c9a9b33256a50fcf40f7be9fa430d69e93828f94de9a5fb6aa078
MD5 hash:
f96be76c6b43975408df8e1c34d1cdf1
SHA1 hash:
88504f2c7aaa72258211a31b10e3fde854c7ea9a
SH256 hash:
b21eb6d14eae70e233132e7fa4e99fb282209f1c6ea8ba4d984e9585ee965e87
MD5 hash:
9f61af191c20dc0eb90a92558e74059f
SHA1 hash:
d16ddfebb7f36d76e6bac7f0010326ad51881f66
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.

Web download

Formbook

Executable exe b21eb6d14eae70e233132e7fa4e99fb282209f1c6ea8ba4d984e9585ee965e87

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-08-02 06:15:15 UTC

url : hxxp://45.137.22.103/xmls/vbc.exe