MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90f9e8094fe8847f4b4521afafd5c5e59d4368ddc26a4f589730cd998520fd50. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 90f9e8094fe8847f4b4521afafd5c5e59d4368ddc26a4f589730cd998520fd50
SHA3-384 hash: b13391c3049c9971cae0f4b799c358979c2c5cffa136dab68d1556b337c85b5c979778d6b627bc1b05fd971bf04cb8eb
SHA1 hash: 924f6fc11cff559762add1d93cfbbb47f2ee06d9
MD5 hash: 8436cb3d9be896ebf391cb0d1b6caf2d
humanhash: steak-ten-steak-xray
File name:8436cb3d9be896ebf391cb0d1b6caf2d
Download: download sample
Signature Formbook
Create hunting rule
File size:267'991 bytes
First seen:2021-12-01 17:35:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGifv8u3YdOCHhOUFgzBH5i/y0s94O540Q2RbRQdkDM:dcONZi60Y5JQ2B0YM
Threatray 12'210 similar samples on MalwareBazaar
TLSH T166442346EBE2C8BBDDC2887125B7BF6DA279D32259A61C875B005F1F3E319824900977
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
179
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Stocklist-Nov 2021.xlsx
Verdict:
Malicious activity
Analysis date:
2021-12-01 06:40:07 UTC
Tags:
exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/d021000b-00a9-4d15-bd92-0402ec0f877f

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/210423/
Detection(s):
SecuriteInfo.com.Trojan.Siggen15.59167.22272.29384.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
DNS request
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/464/overview
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/61a7b24f707a51cfe289e7f7/reports/6508381a-3772-4812-be57-382f37f67544/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/32a625fd-2b16-4b5d-bd31-648185b6c368
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/899645
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 532120 Sample: E41FyTUsL9 Startdate: 01/12/2021 Architecture: WINDOWS Score: 100 33 www.nanasyhogar.com 2->33 35 nanasyhogar.com 2->35 37 2 other IPs or domains 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 3 other signatures 2->45 11 E41FyTUsL9.exe 17 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\fgbeeccbibc.dll, PE32 11->31 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 15 E41FyTUsL9.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 process10 20 raserver.exe 18->20         started        signatures11 47 Self deletion via cmd delete 20->47 49 Modifies the context of a thread in another process (thread injection) 20->49 51 Maps a DLL or memory area into another process 20->51 53 Tries to detect virtualization through RDTSC time measurements 20->53 23 cmd.exe 1 20->23         started        25 explorer.exe 2 152 20->25         started        27 explorer.exe 89 20->27         started        process12 process13 29 conhost.exe 23->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/90f9e8094fe8847f4b4521afafd5c5e59d4368ddc26a4f589730cd998520fd50/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-12-01 01:02:52 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
045c15ef3a76b61d487b30e3e554c77afbc4f3fc17078d3818b5392de608a92e
Formbook
3ff28d4f5a5b236c660c2714bf1b5a515cf72cd738afea35b916938024644538
Formbook
5fd22c8bf1e7e06ccaa6ebc23410086fe0e3bc30b1613cd6ee734f280c0d6979
Formbook
7c0ab1d837684e8d37e75578f4821e25d7729cb9d3739f397cabbb9c95f2ddae
Formbook
7c7e7d1ad3f8afd0ffcba163bac7c1df9ceb8202a96a61b30b697569e00051b0
Formbook
9f59a9c7a38d8031c5b0829da6c4c10951b1de67adada4f567449d4b6ea8d83c
Formbook
+ 12'200 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:nk6l rat spyware stealer trojan
Link:
https://tria.ge/reports/211201-v52y1aedfj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.rthearts.com/nk6l/
Unpacked files
SH256 hash:
90f9e8094fe8847f4b4521afafd5c5e59d4368ddc26a4f589730cd998520fd50
MD5 hash:
8436cb3d9be896ebf391cb0d1b6caf2d
SHA1 hash:
924f6fc11cff559762add1d93cfbbb47f2ee06d9
Link:
https://www.unpac.me/results/301c5753-004f-4611-88e1-11e634362231/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/90f9e8094fe8847f4b4521afafd5c5e59d4368ddc26a4f589730cd998520fd50

File information

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

Web download

Formbook

Executable exe 90f9e8094fe8847f4b4521afafd5c5e59d4368ddc26a4f589730cd998520fd50

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/210423/
  
URLhaus
https://urlhaus.abuse.ch/url/1842442/

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