MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3bd841c6957e9fdb7e9d4558fb417dca9d7317d087cdbbb270155d9a6698e657. 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
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SHA256 hash: 3bd841c6957e9fdb7e9d4558fb417dca9d7317d087cdbbb270155d9a6698e657
SHA3-384 hash: 78212695f91c17ae74b0932d18e701188d10e77d8b003a819487582511afa07b4aff217a17df69c3e1fb2c0a1fe73c4a
SHA1 hash: 0b97e4463c76df4541179880902bb6966ef3f894
MD5 hash: 54bb8fbbfe0a665ca59579a0240ce2f0
humanhash: snake-whiskey-jig-victor
File name:EXPORT INVOICE 2021.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:840'704 bytes
First seen:2021-10-13 16:17:08 UTC
Last seen:2021-10-13 17:08:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Y+zIPiLYQkt3iJHGmWG3HhY8muu8Rsni2U1Rr6s5yuuETV/O:Y+zWiLYQZaGXhguu8ai2U
Threatray 10'534 similar samples on MalwareBazaar
TLSH T1E905C619F342AC1EE557453355E058E3A1042CD3E9498339EB73BAA758AE3814F4CBEE
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
EXPORT INVOICE 2021.exe
Verdict:
Malicious activity
Analysis date:
2021-10-13 16:50:17 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/8fddfe65-82fd-495d-a268-6de119d778c6

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/197290/
Detection(s):
SecuriteInfo.com.Suspicious.Win32.Save.a.23070.28867.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
DNS request
Connection attempt
Sending an HTTP GET request
Possible injection to a system process
Unauthorized injection to a system process
Deleting of the original file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/616706bdfd35fe780c3da221/reports/db48689c-5450-4072-824e-1f3cbfebc1df/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/90994165-b802-41f3-b775-05c155664a86
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/869807
Signature
C2 URLs / IPs found in malware configuration
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)
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
Sigma detected: CMSTP Execution Process Creation
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: 502233 Sample: EXPORT INVOICE 2021.exe Startdate: 13/10/2021 Architecture: WINDOWS Score: 100 31 www.zoipartner.com 2->31 33 www.sosibibyslot.space 2->33 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 6 other signatures 2->47 11 EXPORT INVOICE 2021.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...XPORT INVOICE 2021.exe.log, ASCII 11->29 dropped 59 Injects a PE file into a foreign processes 11->59 15 EXPORT INVOICE 2021.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 ratqueen.art 51.161.86.13, 49778, 80 OVHFR Canada 18->35 37 www.piedmontpines.school 209.17.116.165, 49780, 80 DEFENSE-NETUS United States 18->37 39 3 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 cmstp.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:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3bd841c6957e9fdb7e9d4558fb417dca9d7317d087cdbbb270155d9a6698e657/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-13 16:22:53 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hpmedruvp2p5w7u5ivmpwql5zkoxgf6qq7g3xmtqcvozuzuy4zlq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
16129df384053888782272720ec796ed1e0947d6122bd32823b3ccd03e892664
Formbook
3c185c2191d1bc3a281f26cb51114b69b6d36a9fd63b3103d6c41608c8baf8a8
Formbook
50c6754cbbd313acc6a250182439a1191d8f8318f0794feea75bd647b6205f7a
Formbook
909b2ca8fbea2b6c03ccf3d90e0416b12df094fcf02c47fbf59839a9ce105538
Formbook
9136c283e5029c2f073b706014f6f73b67ead84450267cb5ce0dd26cbcecaa25
Formbook
c18d5baf727358a8635a51fc7cfb4c3f4c90c78abcecf051feb4540323e98746
Formbook
e6cde5c1b614549613d30761b34c899f4ff69d7e6e3147c21d68bedd64f8fe25
Formbook
f89bda22f77706b290e5f56032cd4c884f8da016a379f6c6a978acf4983f0175
Formbook
fd137acb0bda1d576079078b74fe610d16031da47a801440c7ba955f4504a6e5
Formbook
+ 10'524 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:mqi9 loader rat suricata
Link:
https://tria.ge/reports/211013-trytraedfq/
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.vulcanopresale.icu/mqi9/
Unpacked files
SH256 hash:
be67534dc56ed17f1e58265a54cab2ab7b7290c063b20310132ed29e297e9745
MD5 hash:
04f54c47ed09c07f1021f9dd3ce01e0a
SHA1 hash:
633b6e135884e4dbf6dd120ad1017d1ba2b87ea1
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/0ba9d1eb-7736-418a-b84c-919e9c0e405f/
Parent samples :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 hash:
82e39ba9a41aac83cd86023969aa8913f9898814ea66672daeb10b48042af09e
MD5 hash:
a3a70d54eaa6ec9e15c6e7efa25bbd6b
SHA1 hash:
c14d91d78ba4d3de07cf1d413301543c5b639ce7
Link:
https://www.unpac.me/results/0ba9d1eb-7736-418a-b84c-919e9c0e405f/
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
Link:
https://www.unpac.me/results/0ba9d1eb-7736-418a-b84c-919e9c0e405f/
SH256 hash:
3bd841c6957e9fdb7e9d4558fb417dca9d7317d087cdbbb270155d9a6698e657
MD5 hash:
54bb8fbbfe0a665ca59579a0240ce2f0
SHA1 hash:
0b97e4463c76df4541179880902bb6966ef3f894
Link:
https://www.unpac.me/results/0ba9d1eb-7736-418a-b84c-919e9c0e405f/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/3bd841c6957e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/3bd841c6957e9fdb7e9d4558fb417dca9d7317d087cdbbb270155d9a6698e657

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.

Malspam

Formbook

Executable exe 3bd841c6957e9fdb7e9d4558fb417dca9d7317d087cdbbb270155d9a6698e657

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/197290/

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