MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c6bd41deb507046a69d680f7ce7c06ec255fc0ca19223d57788bca61cc14beb9. 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 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c6bd41deb507046a69d680f7ce7c06ec255fc0ca19223d57788bca61cc14beb9
SHA3-384 hash: ba571b949072c101a68faa78cf033fc98287be41fe358a3e783366e9fa48f20d356104ebaae25dbe5476c52c4367e672
SHA1 hash: 1bd5ac9ca23d589175066935b1e0f9afc2ea14d3
MD5 hash: a2a3dde9afc863ab8254f6a4dbd63eb7
humanhash: east-mockingbird-carolina-may
File name:a2a3dde9afc863ab8254f6a4dbd63eb7
Download: download sample
Signature Formbook
Create hunting rule
File size:359'936 bytes
First seen:2021-10-15 08:11:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:5ei2R2IMkhBLcZzDmAtte2gxLOTyJsqsffCpUm4v/HqoCXFwfViduVpPu:JjSBw9he20idqsffr1vvqowGiduVpW
Threatray 10'551 similar samples on MalwareBazaar
TLSH T1CE740105374CEA0EC1715E7E988E905D73B45962A8D2FB4B6AAFF2CF44D23D318412CA
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
draft shipping docs CI+PL.xlsx
Verdict:
Malicious activity
Analysis date:
2021-10-15 07:27:16 UTC
Tags:
encrypted exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/fb7d2248-ed94-4f4a-b2fc-4c9e1d22e6cf

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/197706/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.2248.9292.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/616937dafd35fe780c427e07/reports/afc8cdca-e9c5-4c82-aa6c-2062bd48d22a/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d3572774-4061-4666-ae87-ff15dc88fc50
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/871028
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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: 503456 Sample: lPZpJcemmA Startdate: 15/10/2021 Architecture: WINDOWS Score: 100 32 www.alwaysmode.com 2->32 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 5 other signatures 2->50 11 lPZpJcemmA.exe 3 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\...\lPZpJcemmA.exe.log, ASCII 11->30 dropped 64 Tries to detect virtualization through RDTSC time measurements 11->64 15 lPZpJcemmA.exe 11->15         started        signatures6 process7 signatures8 66 Modifies the context of a thread in another process (thread injection) 15->66 68 Maps a DLL or memory area into another process 15->68 70 Sample uses process hollowing technique 15->70 72 Queues an APC in another process (thread injection) 15->72 18 explorer.exe 15->18 injected process9 dnsIp10 34 ff4ciib4q.xyz 23.225.139.107, 80 CNSERVERSUS United States 18->34 36 www.nourkoki.com 18->36 38 5 other IPs or domains 18->38 52 System process connects to network (likely due to code injection or exploit) 18->52 54 Performs DNS queries to domains with low reputation 18->54 22 cmmon32.exe 12 18->22         started        signatures11 process12 dnsIp13 40 www.ff4ciib4q.xyz 22->40 42 ff4ciib4q.xyz 22->42 56 Performs DNS queries to domains with low reputation 22->56 58 Self deletion via cmd delete 22->58 60 Modifies the context of a thread in another process (thread injection) 22->60 62 2 other signatures 22->62 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c6bd41deb507046a69d680f7ce7c06ec255fc0ca19223d57788bca61cc14beb9/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-10-15 02:15:05 UTC
AV detection:
12 of 45 (26.67%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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26506e7d3f4821066fc1989a5c79afb4d1a316aa428f9e4a920644d93a80b495
Formbook
2fc82f206abb0d6d6b4d7a916be93b408ab78f848531917b3968b066a5a31023
Formbook
326a1e669385d8e241375e9eca9f915440f1d0d3f803e6d1648f30102cbedaa6
Formbook
50c6754cbbd313acc6a250182439a1191d8f8318f0794feea75bd647b6205f7a
Formbook
5852e0b1479d914e16a2f1cf21d61ff4e1f3d35b6fa5dbcf0055cfc2c9a89936
Formbook
75772375acbcfb6cb668fc2449671a6a83afe1434184ac7c01fd895825fcf5e6
Formbook
bec65782844355875f88723419b44dc543ba07b83c8a339036f79e39364493c6
Formbook
d079479dd85fb94fe08f6cd70cfff35e39c14294174a8ed6f9b480ffc1cbc9b2
Formbook
e6cde5c1b614549613d30761b34c899f4ff69d7e6e3147c21d68bedd64f8fe25
Formbook
+ 10'541 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:bs8f loader rat
Link:
https://tria.ge/reports/211015-j3w47abdeq/
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
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/9974cc9b-fe68-4cec-bf6b-841852cdd3f9/
Parent samples :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 hash:
4359e29dddc994653378dde43dd67664bda0aff82db95c355ae5046d2e56cc0b
MD5 hash:
b2d4ff9ca7354937a6b51fbf1442c4d1
SHA1 hash:
996620e5534c88593f0b0b3b5f3f9779e7c2e17d
Link:
https://www.unpac.me/results/9974cc9b-fe68-4cec-bf6b-841852cdd3f9/
SH256 hash:
eda4d687b865aed0078ab87078de7d9722888b2d2af71c6fc0dcdc986ffb7567
MD5 hash:
12cf5402be16590c300b442a66e9ebc1
SHA1 hash:
0ea28394d301ca1ce840f039d2da62a5ce6d9334
Link:
https://www.unpac.me/results/9974cc9b-fe68-4cec-bf6b-841852cdd3f9/
SH256 hash:
c6bd41deb507046a69d680f7ce7c06ec255fc0ca19223d57788bca61cc14beb9
MD5 hash:
a2a3dde9afc863ab8254f6a4dbd63eb7
SHA1 hash:
1bd5ac9ca23d589175066935b1e0f9afc2ea14d3
Link:
https://www.unpac.me/results/9974cc9b-fe68-4cec-bf6b-841852cdd3f9/
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/c6bd41deb507046a69d680f7ce7c06ec255fc0ca19223d57788bca61cc14beb9

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
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 c6bd41deb507046a69d680f7ce7c06ec255fc0ca19223d57788bca61cc14beb9

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1679948/
Cape
Cape
https://www.capesandbox.com/analysis/197706/

Comments


Avatar
zbet commented on 2021-10-15 08:11:23 UTC

url : hxxp://103.155.82.159/005000/vbc.exe