MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a04094a64a2ebdd9b6f8ef3345b1308e36fdc434741a9f3f17003109ba9341f. 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 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a04094a64a2ebdd9b6f8ef3345b1308e36fdc434741a9f3f17003109ba9341f
SHA3-384 hash: ebdec37afc601540949e58e74fa85d857d0d2aae55b8c2315321297f587f262165170f16aca13f6c075a1de375ea4a97
SHA1 hash: 8295a512ee7c2c921127c6df38592d40627d1b5e
MD5 hash: 07c8b350b0d3e84f8e44c5e45b7f0b42
humanhash: yellow-yellow-freddie-minnesota
File name:07c8b350b0d3e84f8e44c5e45b7f0b42
Download: download sample
Signature Formbook
Create hunting rule
File size:854'016 bytes
First seen:2021-11-08 23:29:11 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:/jI7h5BhvnYjp5wylGO/eNHTFfdPmST66M9fU9jCP:/j/AfdmSTS9fP
TLSH T12F054B027AD58C15C37A03714D5BA12CCAA86D67653E8218BE9E33BB2F77B51061733E
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
110
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/204298/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.30191.24435.316.UNOFFICIAL
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Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6189b2ffa00afa9663a153c5/reports/4ed85df8-1ba2-415e-ac14-a21b331720b9/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/b2100951-cd77-4e96-b479-49e863d0ae52
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/885620
Signature
.NET source code contains potential unpacker
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)
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
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: 518085 Sample: z7uGI6bykN Startdate: 09/11/2021 Architecture: WINDOWS Score: 100 33 www.pinpinyouqian.xyz 2->33 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 6 other signatures 2->47 11 z7uGI6bykN.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\z7uGI6bykN.exe.log, ASCII 11->31 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 z7uGI6bykN.exe 11->15         started        18 z7uGI6bykN.exe 11->18         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 20 explorer.exe 15->20 injected process9 dnsIp10 35 domains.vpsiteserver04.com 104.17.196.73, 49786, 80 CLOUDFLARENETUS United States 20->35 37 www.pinpinyouqian.xyz 176.113.70.78, 80 ASIANETGB United Kingdom 20->37 39 8 other IPs or domains 20->39 49 System process connects to network (likely due to code injection or exploit) 20->49 51 Performs DNS queries to domains with low reputation 20->51 24 cmmon32.exe 20->24         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 24->53 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4a04094a64a2ebdd9b6f8ef3345b1308e36fdc434741a9f3f17003109ba9341f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-08 23:31:04 UTC
AV detection:
13 of 28 (46.43%)
Threat level:
  5/5
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:bs8f loader rat
Link:
https://tria.ge/reports/211108-3gpb1aecd9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.rwilogisticsandbrokerage.com/bs8f/
Unpacked files
SH256 hash:
437f71eeac365ed438585d7f81b4aad3fc2728bcb08984b584d8e1dc9b953951
MD5 hash:
717be70bab2a5981683648761ff810f6
SHA1 hash:
bb8dee942ce1f5de1aedf3d6ac404ae1bce28497
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/6de4a918-2485-47bc-8643-d0c5cf060869/
Parent samples :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 hash:
c74d8af1b62d5e9f0058935520ce2a065f158d80259b3c51285cf34a4cdc91e4
MD5 hash:
6f023a5b8a904d8009f1d5d4c8fe504c
SHA1 hash:
e35c1151afa132aef18898489222435e33a0e397
Link:
https://www.unpac.me/results/6de4a918-2485-47bc-8643-d0c5cf060869/
SH256 hash:
91655863c7906a8d20c7c782144f553c027843a72f2fdab2b1ccc80808083af0
MD5 hash:
b5044dd0e9c91b1a9185d491da7d07f2
SHA1 hash:
a9ff8129771d85f77b6a145f750c70e53f51125e
Link:
https://www.unpac.me/results/6de4a918-2485-47bc-8643-d0c5cf060869/
SH256 hash:
4a04094a64a2ebdd9b6f8ef3345b1308e36fdc434741a9f3f17003109ba9341f
MD5 hash:
07c8b350b0d3e84f8e44c5e45b7f0b42
SHA1 hash:
8295a512ee7c2c921127c6df38592d40627d1b5e
Link:
https://www.unpac.me/results/6de4a918-2485-47bc-8643-d0c5cf060869/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/4a04094a64a2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4a04094a64a2ebdd9b6f8ef3345b1308e36fdc434741a9f3f17003109ba9341f

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:pe_imphash
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Rule name:Skystars_Malware_Imphash
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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 4a04094a64a2ebdd9b6f8ef3345b1308e36fdc434741a9f3f17003109ba9341f

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1767738/
Cape
Cape
https://www.capesandbox.com/analysis/204298/

Comments


Avatar
zbet commented on 2021-11-08 23:29:13 UTC

url : hxxp://180.214.237.39/1114/vbc.exe