MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84fe246796952c9de41a5c2355bfbcb0dbea52f3e107395c8f40d3eec500cacf. 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 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 84fe246796952c9de41a5c2355bfbcb0dbea52f3e107395c8f40d3eec500cacf
SHA3-384 hash: 0f2f2fe900b1342218125e8e4a157420cccf9bde3c66e9e83b95c7cf77639b375119e4ac8bcf357e6afbd31c4ed1ffbf
SHA1 hash: 81f4988663a4a730b3611273324c06e53a4b56c3
MD5 hash: ce2507ea9bf81d82d5df1b6878b95fc4
humanhash: minnesota-island-beer-delta
File name:ce2507ea9bf81d82d5df1b6878b95fc4
Download: download sample
Signature Formbook
Create hunting rule
File size:700'416 bytes
First seen:2021-08-30 07:49:34 UTC
Last seen:2021-08-31 17:24:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:/6CzpYLzGS2RuxQhMJkPmM/7XbVsSPhdbxbmRx1y7ccFs7ZIrV:LpYP3U5ZZdZd9SIQcFsdI
Threatray 8'575 similar samples on MalwareBazaar
TLSH T174E40B7F19BDA2279175C6F58BE38827F0008B6F3110696476D347264322A7AB5F336E
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SAUDI ARAMCO Tender Documents - BOQ and ITB.xlsx
Verdict:
Malicious activity
Analysis date:
2021-08-30 05:52:22 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/60458b0c-2bf2-4eac-8bb4-0c4fcc4046a0

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/183653/
Detection(s):
SecuriteInfo.com.Trojan.MSIL.Noon.lc.25758.25370.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Deleting a recently created file
Unauthorized injection to a recently created process
Launching a process
Creating a process with a hidden window
Creating a file
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/067e02bd-7008-4f43-9822-77a32e10769d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/841368
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 dropped file
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 473801 Sample: yioor3yi8n Startdate: 30/08/2021 Architecture: WINDOWS Score: 100 41 www.cheesehome.cloud 2->41 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 8 other signatures 2->55 11 yioor3yi8n.exe 7 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\Roaming\YAncvicgD.exe, PE32 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmp6796.tmp, XML 11->37 dropped 39 C:\Users\user\AppData\...\yioor3yi8n.exe.log, ASCII 11->39 dropped 59 Uses schtasks.exe or at.exe to add and modify task schedules 11->59 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 yioor3yi8n.exe 11->15         started        18 schtasks.exe 1 11->18         started        20 yioor3yi8n.exe 11->20         started        signatures6 process7 signatures8 73 Modifies the context of a thread in another process (thread injection) 15->73 75 Maps a DLL or memory area into another process 15->75 77 Sample uses process hollowing technique 15->77 79 Queues an APC in another process (thread injection) 15->79 22 explorer.exe 15->22 injected 26 conhost.exe 18->26         started        process9 dnsIp10 43 www.kitesurf-piraten.net 217.160.0.246, 49721, 80 ONEANDONE-ASBrauerstrasse48DE Germany 22->43 45 baoequities.com 121.133.249.167, 49725, 80 KIXS-AS-KRKoreaTelecomKR Korea Republic of 22->45 47 8 other IPs or domains 22->47 57 System process connects to network (likely due to code injection or exploit) 22->57 28 cmmon32.exe 22->28         started        signatures11 process12 signatures13 65 Self deletion via cmd delete 28->65 67 Modifies the context of a thread in another process (thread injection) 28->67 69 Maps a DLL or memory area into another process 28->69 71 Tries to detect virtualization through RDTSC time measurements 28->71 31 cmd.exe 1 28->31         started        process14 process15 33 conhost.exe 31->33         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/84fe246796952c9de41a5c2355bfbcb0dbea52f3e107395c8f40d3eec500cacf/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-08-30 01:32:57 UTC
AV detection:
6 of 45 (13.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qt7ciz4wsuwj3za2lqrvlp54wdn6uuxt4edtsxepidj65riazlhq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
04e127c5bdf94f075639d7f44badd25223f3ebeede44258367413d8463505020
Formbook
214910524a528bab8dae4a704169e20d9f2f92444df6e6a65d19decafd9f69b0
Formbook
4558ca0720eed3f8e2554006b53c896b3f6e57a1ab25e62f5914478f2b89e111
Formbook
7664e0ecf75ceab92dee8e07c7de96d43a136a6cff674895162625b66e0ffe15
Formbook
8f28eb3a5a98a63955599167bc56f778544421f9e96fbb5502caa37e954db0fc
Formbook
a08bf89a7e4c15fb33684e268199df85727a6ab759a1d7f3d5ba2b7a0e49f17a
Formbook
ad2b91ad0e691fd32833926b09af43bcd97a3a231fc53b1effe9b8351da0978f
Formbook
c494dceddfa1c8c6944a93f902c641ab5f99352ba48b81849e576f7da353314c
Formbook
+ 8'565 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:n8ba loader rat
Link:
https://tria.ge/reports/210830-41fs2hdmzx/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.narrowpathwc.com/n8ba/
Unpacked files
SH256 hash:
fe75f3ae1c25c484caf5809d380a4102be60001aef157851f4dfe2265a24de2a
MD5 hash:
ca114cf819ebb6743c22b984e72947b2
SHA1 hash:
16dec16a3dafed413cf5e93b18fcf030bb7e7007
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/b80634fe-07cd-4fbf-8b58-16c479d4f449/
Parent samples :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 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
Link:
https://www.unpac.me/results/b80634fe-07cd-4fbf-8b58-16c479d4f449/
SH256 hash:
b320e4d537382c9cb2306639ee49f49824119a6a74663e3cb1f4df852dc5d55a
MD5 hash:
aa7dd9780c4d87972e503f70adc53d2c
SHA1 hash:
e6e9395132424196cefc956b3047d3fb4d5842c0
Link:
https://www.unpac.me/results/b80634fe-07cd-4fbf-8b58-16c479d4f449/
SH256 hash:
84fe246796952c9de41a5c2355bfbcb0dbea52f3e107395c8f40d3eec500cacf
MD5 hash:
ce2507ea9bf81d82d5df1b6878b95fc4
SHA1 hash:
81f4988663a4a730b3611273324c06e53a4b56c3
Link:
https://www.unpac.me/results/b80634fe-07cd-4fbf-8b58-16c479d4f449/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/84fe24679695/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/84fe246796952c9de41a5c2355bfbcb0dbea52f3e107395c8f40d3eec500cacf

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 84fe246796952c9de41a5c2355bfbcb0dbea52f3e107395c8f40d3eec500cacf

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/183653/
  
URLhaus
https://urlhaus.abuse.ch/url/1576900/

Comments


Avatar
zbet commented on 2021-08-30 07:49:35 UTC

url : hxxp://192.3.152.208/Bnation/BIN.exe