MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8609b523be1b22061f1c01a8587f04874836d490196cfa09e8c1eed005f298a0. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
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SHA256 hash: 8609b523be1b22061f1c01a8587f04874836d490196cfa09e8c1eed005f298a0
SHA3-384 hash: fb3773e460023dac0ddf2375f7a2ca02f35bb726d713246541925b335bcd7784c7ea10135f222f2d626e76da3fe7aea6
SHA1 hash: 95b0d5688c53f0ec35cb760a9939d9abed7151ae
MD5 hash: 0da62563c65f103dc4b38d5e9ddae569
humanhash: neptune-autumn-romeo-table
File name:vbc.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:833'536 bytes
First seen:2022-03-17 08:33:05 UTC
Last seen:2022-03-17 11:00:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:W40F7IoVheICJbtIBbpcsdi3wUZF8brx3/Zxr+mlGQE7furb8ZwpjT4mJfJE8hKK:WhFaIc2BNOwi2d3/E7e4Z
Threatray 15'131 similar samples on MalwareBazaar
TLSH T18405DF983650B5DFC857C9768D981D60EA20B9BB530FD343A09722EDAE0E59BDF011F2
File icon (PE):PE icon
dhash icon 41b444d6d696d629 (15 x AgentTesla, 6 x Formbook, 2 x SnakeKeylogger)
Reporter rythensec
Tags:exe FormBook


Avatar
rythensec
Downloader: http://192.210.218.110/79/vbc.exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
378
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
vbc.exe
Verdict:
Malicious activity
Analysis date:
2022-03-17 08:22:31 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/cc4a8925-1952-4353-ab14-658c7f18b90e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/251779/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.27775.8592.13491.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
Launching cmd.exe command interpreter
Searching for synchronization primitives
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/6232f27edfdfa8501cae9815/reports/cb47b697-399e-4867-8bc0-8b70eb1aeff0/overview
Result
Verdict:
MALICIOUS
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/82cc0a12-0928-4b48-b0fb-dfc31a8701bb
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/958547
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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)
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: Application Executed Non-Executable Extension
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 591028 Sample: vbc.exe Startdate: 17/03/2022 Architecture: WINDOWS Score: 100 34 www.dozercafe.com 2->34 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 11 other signatures 2->52 11 vbc.exe 3 2->11         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\vbc.exe.log, ASCII 11->32 dropped 66 Tries to detect virtualization through RDTSC time measurements 11->66 15 vbc.exe 11->15         started        18 vbc.exe 11->18         started        signatures6 process7 signatures8 68 Modifies the context of a thread in another process (thread injection) 15->68 70 Maps a DLL or memory area into another process 15->70 72 Sample uses process hollowing technique 15->72 74 Queues an APC in another process (thread injection) 15->74 20 explorer.exe 15->20 injected process9 dnsIp10 36 www.beautifulingodseyes.com 74.220.199.6, 49842, 80 UNIFIEDLAYER-AS-1US United States 20->36 38 onlyv4.overseacdnweb.qiniu.com.w.kunlunsl.com 47.246.23.183, 49831, 80 TAOBAOZhejiangTaobaoNetworkCoLtdCN United States 20->38 40 25 other IPs or domains 20->40 54 System process connects to network (likely due to code injection or exploit) 20->54 56 Performs DNS queries to domains with low reputation 20->56 24 rundll32.exe 13 20->24         started        signatures11 process12 dnsIp13 42 www.jyym88.com 24->42 44 www.beautifulingodseyes.com 24->44 58 System process connects to network (likely due to code injection or exploit) 24->58 60 Self deletion via cmd delete 24->60 62 Modifies the context of a thread in another process (thread injection) 24->62 64 2 other signatures 24->64 28 cmd.exe 1 24->28         started        signatures14 process15 process16 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8609b523be1b22061f1c01a8587f04874836d490196cfa09e8c1eed005f298a0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-07 16:52:00 UTC
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qye3ki56dmramhy4agufq7yeq5ednveqdfwpucpiyhxnabpstcqa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
25c2cea54ad6c1b93026807e6a34e7278f4dbdb85fdd635cbcc83e7f247e3f19
Formbook
2af6b1cfe8812e9e1679f3a6a58a158420e771341dbea64f4853d6966bb589b2
Formbook
545d130d10ca2961ab5d1f3072049cea68154c9ed04d6b7fa408f7c81be10c2a
Formbook
60b97b4d45e3850d57a661bf37987909c1f99096384123594cc1b79d5449348f
Formbook
9f033092c39f84850b90bbeb99c2fa53bb621a8467cdf399f77e08bfa892548d
Formbook
aea459fb282282fc886f02283b2cfe1da12a6208e14859ffeb7f84a45a452bba
Formbook
dfd8941401c6e44bf380f982cd4b78d847f87fd3ea364418b00ceec92f97c500
Formbook
e98706b7597c00c854c61d51a05413681020c6096024aee23e924b6eeaee2a5d
Formbook
+ 15'121 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:mc3w loader rat
Link:
https://tria.ge/reports/220317-kge48acea6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Xloader Payload
Xloader
Unpacked files
SH256 hash:
74d0dd17ce636a6a0c48dc6b211cd358ecb602efe165ec7b60d23ddda9462b4b
MD5 hash:
88f5639a50afd993c76ea84668a4e285
SHA1 hash:
4f85dafcecdd760abe0b63ee9ec6e1bc93ffdf38
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/23f0b092-9a26-4714-939d-5d02f41ef5a7/
Parent samples :
25c2cea54ad6c1b93026807e6a34e7278f4dbdb85fdd635cbcc83e7f247e3f19
60b97b4d45e3850d57a661bf37987909c1f99096384123594cc1b79d5449348f
aea459fb282282fc886f02283b2cfe1da12a6208e14859ffeb7f84a45a452bba
9f033092c39f84850b90bbeb99c2fa53bb621a8467cdf399f77e08bfa892548d
2af6b1cfe8812e9e1679f3a6a58a158420e771341dbea64f4853d6966bb589b2
dfd8941401c6e44bf380f982cd4b78d847f87fd3ea364418b00ceec92f97c500
8609b523be1b22061f1c01a8587f04874836d490196cfa09e8c1eed005f298a0
SH256 hash:
40005a91db1139fc62512abffd25764021f2b958914364a50349fbf07114c7d0
MD5 hash:
4c99b7a5c64df2d07ea47ede768dedde
SHA1 hash:
84cd9ce570967d0ac199ec37f38799e05cd6c1b3
Link:
https://www.unpac.me/results/23f0b092-9a26-4714-939d-5d02f41ef5a7/
SH256 hash:
175285bfa8a73b3990f54994b8825c1f3396635bc344939cd8d9fc60b9569b46
MD5 hash:
f26eb90c6addfc99fa0c2e63896216d2
SHA1 hash:
77e01b96d8c211d4d24fc0a1aae91122caf5f668
Link:
https://www.unpac.me/results/23f0b092-9a26-4714-939d-5d02f41ef5a7/
SH256 hash:
bf538b45bc4b84f86b10540775786580192de1f8e566e6ee8623897852450368
MD5 hash:
48b95512cb58895319b6a0dc6e83002e
SHA1 hash:
593e7d285837ac65d642985ab5c40b0d0cd9fee6
Link:
https://www.unpac.me/results/23f0b092-9a26-4714-939d-5d02f41ef5a7/
SH256 hash:
8609b523be1b22061f1c01a8587f04874836d490196cfa09e8c1eed005f298a0
MD5 hash:
0da62563c65f103dc4b38d5e9ddae569
SHA1 hash:
95b0d5688c53f0ec35cb760a9939d9abed7151ae
Link:
https://www.unpac.me/results/23f0b092-9a26-4714-939d-5d02f41ef5a7/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8609b523be1b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/8609b523be1b22061f1c01a8587f04874836d490196cfa09e8c1eed005f298a0

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
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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.

Web download

Formbook

Executable exe 8609b523be1b22061f1c01a8587f04874836d490196cfa09e8c1eed005f298a0

(this sample)

anyrun
any.run
https://app.any.run/tasks/cc4a8925-1952-4353-ab14-658c7f18b90e
  
Dropping
Formbook
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/251779/
  
URLhaus
https://urlhaus.abuse.ch/url/2101726/

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