MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 311212296fb8626d2a696cf7ef2731a6d03f44618be2597acb9f44ac46fd5087. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
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SHA256 hash: 311212296fb8626d2a696cf7ef2731a6d03f44618be2597acb9f44ac46fd5087
SHA3-384 hash: 39c6f976f710606779110a794961863c62044ef098970519e16f3feee48aa3b15121d3b79273493e7dd1ab0e68826c10
SHA1 hash: 86d2e26818bbc41612f61214abfd454e99851d93
MD5 hash: ba1153100b00d9580f0600dd5c627adf
humanhash: saturn-may-magnesium-spaghetti
File name:ba1153100b00d9580f0600dd5c627adf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:728'576 bytes
First seen:2021-08-30 18:04:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:1Hl3UCuWPc6btrbz4Mh+4TQu8jgtsefuGOM9Blc1180rJrCA4:1F3UStT0gtsefzlc11TJh4
Threatray 11'699 similar samples on MalwareBazaar
TLSH T104F42E7F19BDA2278175C6F58BE78827F0008B6F3110696476D347264326A7AB4F336E
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
237
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ba1153100b00d9580f0600dd5c627adf.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-30 18:09:21 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/dea74698-10ee-4266-9ff1-40ffab5ceca3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/183872/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.10855.31148.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4e80e19d-dc92-4320-958a-ff81b99b778f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/841834
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 474262 Sample: 4zfdibTbxl.exe Startdate: 30/08/2021 Architecture: WINDOWS Score: 100 31 www.avedonalchemy.gallery 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 7 other signatures 2->45 11 4zfdibTbxl.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\4zfdibTbxl.exe.log, ASCII 11->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 4zfdibTbxl.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 33 safetyswimwear.online 46.23.69.44, 49739, 80 UK2NET-ASGB United Kingdom 18->33 35 www.plannyo.com 51.91.236.193, 49733, 80 OVHFR France 18->35 37 9 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 49 Uses netstat to query active network connections and open ports 18->49 22 NETSTAT.EXE 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 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 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/311212296fb8626d2a696cf7ef2731a6d03f44618be2597acb9f44ac46fd5087/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-08-30 18:05:05 UTC
AV detection:
7 of 46 (15.22%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gejbeklpxbrg2ktjnt366jzru3id6rdbrprfs6wlt5ckyrx5kcdq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
24bb73efcce945f42030068ae7ccb3ffde80f9f646eac23cc05a773b982c8ca7
Formbook
41e1e39ddc4c57a2f85a475d30a43c6ca33346399d9fbd5548c78e4b8c732e14
Formbook
4ab9d09d0ffc49408cb40fe30791e2dbe7d6ea5cec1d44d509c0032b7b0322c5
Formbook
6575fefaef5564a290a1fd996e759f8d1b8f740256ae8a066170daf3accf69de
Formbook
674ab7cd2376e31a811469d50be263894d78b14c826b02a61b7da6069481522a
Formbook
8700797586a744fd3e998733ed63ab6f721bacd87c6796ea7f5c1a8f2c17a3f4
Formbook
8e7766e7538b196a7d96e8c11fa2a09d86b9248a130d23381e62b32db0d7a7e0
Formbook
b9f5d58f514d84db1f4bd429be5188d2fea106e03256b1e4c16e16da0e191f21
Formbook
bb8edab2af37d542c7774e5f5253e1de86fc80525f29e0e274747378201a3537
Formbook
eb8c5fa3da30f5d972e7d30767099990aadce5af9e046a2765b0c64222eab118
Formbook
+ 11'689 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:utrf loader rat
Link:
https://tria.ge/reports/210830-mw13k7kbwe/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.tijprintersolution.com/utrf/
Unpacked files
SH256 hash:
7f54619a9dbc0f42c7700a93e54012d4e1ae23eb377de09fa9e9b93c2591b697
MD5 hash:
0ea4e299de4a2b6ef9874faf51631b61
SHA1 hash:
f27b47a7a4aa0ea4b5557083dc08e79981d578a6
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/25c9d4e2-60bc-4b05-817b-7fb4fb7a270c/
Parent samples :
6575fefaef5564a290a1fd996e759f8d1b8f740256ae8a066170daf3accf69de
311212296fb8626d2a696cf7ef2731a6d03f44618be2597acb9f44ac46fd5087
abaca5741431ff5f4d04ac153e6d06514d1a7d92154d9ae994d253297f582930
SH256 hash:
9a569be1313734a7a5657149f890204e1246833e80ac0e45c15b9ebc972cfa99
MD5 hash:
db1ca79a10eb8debc020653b67a41ed4
SHA1 hash:
c9aff868749946879d85e0c75c11a085d3c244c2
Link:
https://www.unpac.me/results/25c9d4e2-60bc-4b05-817b-7fb4fb7a270c/
SH256 hash:
85d8e9b2e1f049bf999b9bca1a0130925bd92aee89f434203f1e56cd7e362be6
MD5 hash:
58899851fdf0d927c0f13f0ed7a7417e
SHA1 hash:
94549ea200d0de2d3626dbe6e81e0d4b1ad726c9
Link:
https://www.unpac.me/results/25c9d4e2-60bc-4b05-817b-7fb4fb7a270c/
SH256 hash:
311212296fb8626d2a696cf7ef2731a6d03f44618be2597acb9f44ac46fd5087
MD5 hash:
ba1153100b00d9580f0600dd5c627adf
SHA1 hash:
86d2e26818bbc41612f61214abfd454e99851d93
Link:
https://www.unpac.me/results/25c9d4e2-60bc-4b05-817b-7fb4fb7a270c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/311212296fb8626d2a696cf7ef2731a6d03f44618be2597acb9f44ac46fd5087

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
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 311212296fb8626d2a696cf7ef2731a6d03f44618be2597acb9f44ac46fd5087

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/183872/
  
URLhaus
https://urlhaus.abuse.ch/url/1577630/
  
Delivery method
Distributed via web download

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