MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfcbf155faa8aecc2dc01ad0be69001953610f947b97eb8298c88932eb7b6edd. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bfcbf155faa8aecc2dc01ad0be69001953610f947b97eb8298c88932eb7b6edd
SHA3-384 hash: 3cdd166a58615c29533b1361887463e23f605be868e480566f11e1835d72127e0749bfadbd35b02fe80c5ee0c2f41004
SHA1 hash: 0c4e41ff6c48ad2b1d0167c9fc34ad45e2600101
MD5 hash: df39a805c6adaadaa96e161e7c58ca35
humanhash: timing-utah-connecticut-six
File name:bfcbf155faa8aecc2dc01ad0be69001953610f947b97eb8298c88932eb7b6edd
Download: download sample
Signature Formbook
Create hunting rule
File size:185'856 bytes
First seen:2023-02-27 09:03:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:gGZykTEFWzv43XObZvFrqLjfu+xMPPCDH3R873QiIPJXhqYRpls:ln2XEhFrqLjfu+GCDH3+7giIPLrp
Threatray 1'806 similar samples on MalwareBazaar
TLSH T1AF04AF32D641C030E2A251B5F6BD1B7B493D0D357295A4EAE3E226E06FE49A5B43930F
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
170
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bfcbf155faa8aecc2dc01ad0be69001953610f947b97eb8298c88932eb7b6edd
Verdict:
No threats detected
Analysis date:
2023-02-27 09:29:51 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/bb3f32e6-d7e4-4220-9ac7-f14f6b8dda68

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/370043/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Banker1.29984.UNOFFICIAL
Create hunting rule

Win.Malware.Formbook-7399661-0
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Win.Malware.Formbook-9951997-0
Create hunting rule

Win.Malware.Formbook-9964980-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
67%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/63fc72105d47c2515e808383/reports/d5a64422-2280-42eb-b238-cbf47b721731/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/bfcbf155faa8aecc2dc01ad0be69001953610f947b97eb8298c88932eb7b6edd
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c1df86f7-2fb8-4c21-9871-40322461f906
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1184092
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
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: 816988 Sample: W59pnUjQOJ.exe Startdate: 28/02/2023 Architecture: WINDOWS Score: 100 24 www.zonlin.net 2->24 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 5 other signatures 2->44 10 W59pnUjQOJ.exe 2->10         started        signatures3 process4 signatures5 46 Modifies the context of a thread in another process (thread injection) 10->46 48 Maps a DLL or memory area into another process 10->48 50 Sample uses process hollowing technique 10->50 52 2 other signatures 10->52 13 explorer.exe 3 6 10->13 injected process6 dnsIp7 26 www.lachrymologyacademy.com 216.239.136.99, 49685, 80 OMNISUS United States 13->26 28 www.1win-slots.gives 185.51.247.53, 49686, 80 ITLDC-NLUA Ukraine 13->28 30 www.holmwood.xyz 3.64.163.50, 49684, 80 AMAZON-02US United States 13->30 54 System process connects to network (likely due to code injection or exploit) 13->54 56 Performs DNS queries to domains with low reputation 13->56 17 cmmon32.exe 13->17         started        signatures8 process9 signatures10 32 Modifies the context of a thread in another process (thread injection) 17->32 34 Maps a DLL or memory area into another process 17->34 36 Tries to detect virtualization through RDTSC time measurements 17->36 20 cmd.exe 1 17->20         started        process11 process12 22 conhost.exe 20->22         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bfcbf155faa8aecc2dc01ad0be69001953610f947b97eb8298c88932eb7b6edd/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-02-27 09:04:14 UTC
File Type:
PE (Exe)
AV detection:
25 of 25 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x7f7cvp2vcxmyloadlil42iadfjwcd4upol6xauyzcetf233n3oq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
49449720e228b03f82a7d148c4b91d0f136c104c65d0349eb1f349f27d0cf1d1
Formbook
59162d6533d5d56ceedd3f8a24e85e75cd198c72db5719188a4a582752d7fbe4
Formbook
68561f9a18130d1f0e2a8ca14b9e9344a7f624bb599a766a5b41e16fd728e192
Formbook
a4faadc7e9c3befad66d0e11a0365d0cb642ffdd11fc9170b02b096f658c354e
Formbook
af2338dccdb59d40b3e6fbde008f3fad793ae9910fc3f2210bf6e9a311bd8044
Formbook
cdf5c57b42c0d59cf1d683dd2e1999a2bc874fda7c521b25af910f80fd012691
Formbook
d5b73f94baae872466c1f7435d9c3ee66c5bdd606b1bfbae775c9acb19f5c42b
Formbook
dae07c0c93ddde9c93128b15ba4fd8ec83a07538d3b03eda7374cfcb5441c84f
Formbook
fb6e51468bc31594bfd2d9fc78afad7d0a471b4bb0de96ab2b53f03d94c25051
Formbook
+ 1'796 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:vr21 rat
Link:
https://tria.ge/reports/230227-k1l2wacg46/
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
bfcbf155faa8aecc2dc01ad0be69001953610f947b97eb8298c88932eb7b6edd
MD5 hash:
df39a805c6adaadaa96e161e7c58ca35
SHA1 hash:
0c4e41ff6c48ad2b1d0167c9fc34ad45e2600101
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/845f8c61-db69-477b-a78f-369c1254c359/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bfcbf155faa8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/bfcbf155faa8aecc2dc01ad0be69001953610f947b97eb8298c88932eb7b6edd

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Malspam

Formbook

Executable exe bfcbf155faa8aecc2dc01ad0be69001953610f947b97eb8298c88932eb7b6edd

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/370043/

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