MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3651902b70a4e17aefaf3fb710c2c1fe9317d5a5b073578d8849a18862b0ff78. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments 1
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SHA256 hash: 3651902b70a4e17aefaf3fb710c2c1fe9317d5a5b073578d8849a18862b0ff78
SHA3-384 hash: 57e6c1b21e8b9fa2de141a90cead75e01486b6747f763f38c30ad33cf3d8ee96bae6a5ad19996c7146322cd6438e8b60
SHA1 hash: 9164f9f767ccdd2f7084f340575cf68110329bfa
MD5 hash: e0956b064218d9bd7720072b4527f4d1
humanhash: moon-charlie-victor-rugby
File name:e0956b064218d9bd7720072b4527f4d1
Download: download sample
Signature Formbook
Create hunting rule
File size:819'200 bytes
First seen:2022-03-15 15:31:08 UTC
Last seen:2022-04-20 09:54:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:AIkwOE1S5TVLSOtb4Twy4RzEwRd9VSvELRr2DC:6fE1S3luTwvRzf9VSQ5
Threatray 15'114 similar samples on MalwareBazaar
TLSH T1E005124573E98F12D07FCBF494312A0853B676AA5820D64C5DDA38DB3AF6F108A60B5F
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
234
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e0956b064218d9bd7720072b4527f4d1
Verdict:
Malicious activity
Analysis date:
2022-03-16 04:17:15 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0d80911b-e024-4b4c-80b1-7ae2285e3f94

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/250960/
Detection(s):
SecuriteInfo.com.Trojan.Siggen17.25787.15555.22085.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
Link:
https://www.filescan.io/uploads/6230b17fb94fb38cb485d5e2/reports/84270e66-a43b-45c8-ad01-73d0ab2749f2/overview
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d1e487ca-89eb-4405-ac9c-485584da1a35
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/957167
Signature
.NET source code contains potential unpacker
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
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: 589665 Sample: rWgdG8dt0I Startdate: 15/03/2022 Architecture: WINDOWS Score: 100 33 www.gsjbd27.club 2->33 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected AntiVM3 2->47 49 4 other signatures 2->49 11 rWgdG8dt0I.exe 3 2->11         started        15 explorer.exe 102 2->15         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\rWgdG8dt0I.exe.log, ASCII 11->31 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 17 rWgdG8dt0I.exe 11->17         started        20 rWgdG8dt0I.exe 11->20         started        signatures6 process7 signatures8 35 Modifies the context of a thread in another process (thread injection) 17->35 37 Maps a DLL or memory area into another process 17->37 39 Sample uses process hollowing technique 17->39 41 Queues an APC in another process (thread injection) 17->41 22 explorer.exe 17->22 injected process9 process10 24 cmd.exe 22->24         started        signatures11 51 Self deletion via cmd delete 24->51 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55 57 Tries to detect virtualization through RDTSC time measurements 24->57 27 cmd.exe 1 24->27         started        process12 process13 29 conhost.exe 27->29         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/3651902b70a4e17aefaf3fb710c2c1fe9317d5a5b073578d8849a18862b0ff78/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-03-15 16:10:44 UTC
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0adfc99fefcb09f082e85f53025764a8ea4b0f35a4140540022be9de71bb58e9
Formbook
2e78cdf6c6b9c395801561d0d01452c34069c5584f4827e454d5ce951895c771
Formbook
5683bdb2fc2b2f0bfd524ea328ead3cb7d405f888c54a96fe05dff6ee4d91bd7
Formbook
6394de1149bac235402b7a6453331c0585bfcd54d2a31ce7e44b42fb24caf615
Formbook
8d4069f952ab15494c3be7c5cdf0fa161641dcc5fe3a1aab978726ea585f0076
Formbook
8d6fcc0c461c48ee2da0b00354d946342c3521662cafc0b0d519b5d875279939
Formbook
9655ee4ca1167f87d9245041ab59e861d6b3bdde7897a3b4cb2deee8550bdaaa
Formbook
bcbf8a906dcee1a2cf55c638b4fd5c815d93b764bc88038210edfd7cb635ac69
Formbook
ea94995d23d53a98a949a242022cbd9bc5b7a4320c3fb6c045370b15704e4004
Formbook
+ 15'104 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:cxbz loader rat
Link:
https://tria.ge/reports/220315-syl8vsdbh3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
3651902b70a4e17aefaf3fb710c2c1fe9317d5a5b073578d8849a18862b0ff78
MD5 hash:
e0956b064218d9bd7720072b4527f4d1
SHA1 hash:
9164f9f767ccdd2f7084f340575cf68110329bfa
Link:
https://www.unpac.me/results/6d1b1e1f-63f9-4f65-b0bf-a1177daf6839/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/3651902b70a4/report/overview.html
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/3651902b70a4e17aefaf3fb710c2c1fe9317d5a5b073578d8849a18862b0ff78

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:Skystars_Malware_Imphash
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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 3651902b70a4e17aefaf3fb710c2c1fe9317d5a5b073578d8849a18862b0ff78

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2098470/
Cape
Cape
https://www.capesandbox.com/analysis/250960/

Comments


Avatar
zbet commented on 2022-03-15 15:31:09 UTC

url : hxxp://198.23.156.251/windows/kobo.exe