MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 50c6754cbbd313acc6a250182439a1191d8f8318f0794feea75bd647b6205f7a. 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
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SHA256 hash: 50c6754cbbd313acc6a250182439a1191d8f8318f0794feea75bd647b6205f7a
SHA3-384 hash: 52ea3cf25a934dcc19ab1dc570c59b17f1dae4177f3eef37048f6dd1136ad0f18a025df8918232256ac6610fa8b4dfc4
SHA1 hash: a77631637f4d98270beb668afad4287f093ad315
MD5 hash: 4435b5ad1df8ee531e74fc301550128b
humanhash: leopard-michigan-carolina-thirteen
File name:purchase_order_list.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:380'914 bytes
First seen:2021-09-23 02:17:02 UTC
Last seen:2021-09-23 02:56:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:c8LxBD6v9qhYrIlrcNp3TbyEMT6L7HNQHl+fJW+MHZrjQITYHxO:XYrI1cHf1MT6tQFUJWt5rxTYRO
Threatray 9'623 similar samples on MalwareBazaar
TLSH T1D5841633B2AC338DDEC0A9B9397765799C2A8FABC092194139D8FE5F643248E1D017D5
File icon (PE):PE icon
dhash icon 6ccccc9cc4dce8f4 (4 x Formbook, 3 x Smoke Loader, 3 x AsyncRAT)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
285
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
purchase_order_list.exe
Verdict:
Malicious activity
Analysis date:
2021-09-23 02:18:13 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/73da316c-817c-46b2-9d6f-d66141fa1e76

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/190447/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.1.8888.5143.UNOFFICIAL
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Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c313fa39-38c8-4947-9e48-a88cc71854b6
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/856111
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 488542 Sample: purchase_order_list.exe Startdate: 23/09/2021 Architecture: WINDOWS Score: 100 32 www.beansmagic.com 2->32 34 beansmagic.com 2->34 36 www.lifeshopdeluxe.com 2->36 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 4 other signatures 2->52 11 purchase_order_list.exe 17 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\tilzdvi.dll, PE32 11->30 dropped 62 Detected unpacking (changes PE section rights) 11->62 64 Tries to detect virtualization through RDTSC time measurements 11->64 66 Injects a PE file into a foreign processes 11->66 15 purchase_order_list.exe 11->15         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 18 explorer.exe 15->18 injected process9 dnsIp10 38 hidrauforte.com 189.113.174.22, 49821, 80 HostOneServicosdeInternetLtdaBR Brazil 18->38 40 stgy960.sto2727.net 67.211.70.25, 49819, 80 DNC-ASDimensionNetworkCommunicationLimitedHK Hong Kong 18->40 42 14 other IPs or domains 18->42 54 System process connects to network (likely due to code injection or exploit) 18->54 22 msiexec.exe 12 18->22         started        signatures11 process12 dnsIp13 44 www.latestgift1.com 22->44 56 Self deletion via cmd delete 22->56 58 Modifies the context of a thread in another process (thread injection) 22->58 60 Maps a DLL or memory area into another process 22->60 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/50c6754cbbd313acc6a250182439a1191d8f8318f0794feea75bd647b6205f7a/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2021-09-23 02:08:31 UTC
AV detection:
14 of 45 (31.11%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kddhktf32mj2zrvckamcionbdeoy7ayy6b4u73vhlplepnral55a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1771bccdd4c4fdc7d50d97ac10e5b1e0f980a4ff31233c59e9cfa17e9cd36a24
Formbook
2fc82f206abb0d6d6b4d7a916be93b408ab78f848531917b3968b066a5a31023
Formbook
3ac2da7ec8b0c46550c9b85707c4743ea4cacbb5bb6ee0fd159792f3978e3ad3
Formbook
40da3a76d7dfbe395b879dc9b090af73483617c65c7c433975490c0a22e4a71a
Formbook
64c00be3d0bc5f000ee6d2d6d49e72c9e9f36090f19b7f9620ff0993a0e84025
Formbook
66eaa86ebfd9a80f623d9ca307e0ba4374c56a0af202ab0833d082f92dd101a4
Formbook
6acf1bec87a9b06a63ac3be623a527d7c419d17bb8a258b67e2f7cc2c607cc10
Formbook
84236953e6059c7733ecd777604a225ee85dc96740a46aac1379d13b3d57630d
Formbook
8a95ac711537aeb1c93c61e541077005f5226e4150c2669742d1b612cfc25788
Formbook
b32448dbeec13e1eb23e55a57ffc06f9dfc8fd44687e19fc0be1c4fbabc10abb
Formbook
+ 9'613 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ou3t loader rat suricata
Link:
https://tria.ge/reports/210923-cqp2saggel/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Blocklisted process makes network request
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.ibexgrp.com/ou3t/
Unpacked files
SH256 hash:
7c055162ea3089686d9a7cae4cab286f3f7a06484997786cbafd07500036a6e7
MD5 hash:
6d22000714c9e4a4befc5e17b984efb0
SHA1 hash:
e5b33a3f0e35b39ab756105cd1d311e45f571446
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/756ee578-440e-4953-87ad-3f18f5862146/
SH256 hash:
669e2451fa0d6c3143f951fc9aaf6691f6bab66e5e00f34d90f5553eaa653fbf
MD5 hash:
bad4c7691fc41e9e177691e0faef35ac
SHA1 hash:
153fa47f5cf8447c08a35521239a1ca927b20373
Link:
https://www.unpac.me/results/756ee578-440e-4953-87ad-3f18f5862146/
SH256 hash:
50c6754cbbd313acc6a250182439a1191d8f8318f0794feea75bd647b6205f7a
MD5 hash:
4435b5ad1df8ee531e74fc301550128b
SHA1 hash:
a77631637f4d98270beb668afad4287f093ad315
Link:
https://www.unpac.me/results/756ee578-440e-4953-87ad-3f18f5862146/
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/50c6754cbbd313acc6a250182439a1191d8f8318f0794feea75bd647b6205f7a

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
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Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 50c6754cbbd313acc6a250182439a1191d8f8318f0794feea75bd647b6205f7a

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/190447/

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