MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de9fdb344c542595de3ddf65357a6982f0085d0f7b42c1de534c3963134c2cb3. 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
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SHA256 hash: de9fdb344c542595de3ddf65357a6982f0085d0f7b42c1de534c3963134c2cb3
SHA3-384 hash: 7ec04ab968189093577886b504749864a6df2ef08b9358d5a2ab72816a6d6a64c3e674d38b40d4890c14803453ec62f7
SHA1 hash: 3baa367619dc5349d663dab71c680b8072936ff5
MD5 hash: 46187b7ff5b0201a7ea4169b1f25efbf
humanhash: apart-yellow-mirror-maryland
File name:46187b7ff5b0201a7ea4169b1f25efbf.exe
Download: download sample
Signature Formbook
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File size:1'218'560 bytes
First seen:2022-03-24 19:13:37 UTC
Last seen:2022-03-24 20:42:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:wnZ9lQpzAK0yI+AG7fgs2esun1dR6KmIkLn6L:wi9AwfflRsun1b6KmhLn
Threatray 14'575 similar samples on MalwareBazaar
TLSH T1D245BE9C3650B1DFC85BC976CAA82C64EB60787B930BC243A05712EDAE4D59BDF141F2
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
229
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/257337/
Detection(s):
SecuriteInfo.com.Trojan.Siggen17.28862.32186.14276.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook obfuscated packed
Link:
https://www.filescan.io/uploads/623cc345dfdfa8501cda6d7b/reports/45ff39e1-059f-4309-81fb-b9038d0c6106/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/6b36efee-d84a-4ccd-9ed4-5a6707814531
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/964026
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found 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
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
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 596541 Sample: lr1ytzKWGY.exe Startdate: 24/03/2022 Architecture: WINDOWS Score: 100 30 www.jahshome.com 2->30 32 traff-6.hugedomains.com 2->32 34 3 other IPs or domains 2->34 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 7 other signatures 2->44 11 lr1ytzKWGY.exe 3 2->11         started        signatures3 process4 file5 28 C:\Users\user\AppData\...\lr1ytzKWGY.exe.log, ASCII 11->28 dropped 54 Detected unpacking (changes PE section rights) 11->54 56 Detected unpacking (overwrites its own PE header) 11->56 58 Tries to detect virtualization through RDTSC time measurements 11->58 15 lr1ytzKWGY.exe 11->15         started        signatures6 process7 signatures8 60 Modifies the context of a thread in another process (thread injection) 15->60 62 Maps a DLL or memory area into another process 15->62 64 Sample uses process hollowing technique 15->64 66 Queues an APC in another process (thread injection) 15->66 18 explorer.exe 15->18 injected process9 signatures10 36 Uses netsh to modify the Windows network and firewall settings 18->36 21 netsh.exe 18->21         started        process11 signatures12 46 Self deletion via cmd delete 21->46 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/de9fdb344c542595de3ddf65357a6982f0085d0f7b42c1de534c3963134c2cb3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-03-24 13:45:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
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Similar samples:
2c81b04d9509cf29e05309b84972fa9bf47b34bdf64032ade464fcc55a54a1b8
Formbook
3e3ccb3b130c86bb2d82a52f8a7e191efa9499577ba0a3d3f335d5a1e1597b76
Formbook
5d73c1ce4d0c8beea33b6eaef76d82e389d139d8e6caa17c2767c70889697c3b
Formbook
7fb0c21777bc2f9b0dd0aa5519eebbe5ec9afa008e67edc2abec7e5c94957a36
Formbook
9cfa1deda62a35bf8c2211bf4c1996d880c84c4242308a5d74403a570d70e066
Formbook
bc91c7988916b582c31a55f44cbdebcfae416c3f645bf8826485fc358e0ac0e7
Formbook
c6a3fd36f07d97fb287fbac946ae8b8d12d1fcde36fa87395de79d59f0c3fb77
Formbook
d0d6b8f342215efb1adba27088bb7f6dfe14dd3734612aecf1124b121c3a7cc6
Formbook
e073516efee850dda1e008bcd82c3160cb867dda001bec42d76f6aa6af82a257
Formbook
eabfcd738bc46581870a5671823ed4dda66a507606187b0f2a25a3b0f1fa9720
Formbook
+ 14'565 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:m0a8 rat spyware stealer trojan
Link:
https://tria.ge/reports/220324-xxp1ksdce3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
8eb8f44af58ae986986469b04f5c991c95ad5eda8c96dbbe938fcd7f7e87fdb3
MD5 hash:
89bc7cef19d898eae5f43966393fc1fb
SHA1 hash:
a31292d9f39f9fd58ff0102e3fb8e2692137d6ea
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/a8f8559f-b9ed-45de-ba29-954a3b86cc92/
Parent samples :
3aff0b3e7195005380f87feb7753190fa70cd885d10721e2fac690eb41690f2b
6bd24ce0a16599d97686146c6a822023f0f4896fcee914eed9a4e45a7e46b864
5d73c1ce4d0c8beea33b6eaef76d82e389d139d8e6caa17c2767c70889697c3b
de9fdb344c542595de3ddf65357a6982f0085d0f7b42c1de534c3963134c2cb3
eabfcd738bc46581870a5671823ed4dda66a507606187b0f2a25a3b0f1fa9720
SH256 hash:
dc5c057b0ee1eb079cf189762aac69f0d86338ea18795dc4fbf7ed9b5a45c2eb
MD5 hash:
4103ed94f4747b30e166cf3c25416f47
SHA1 hash:
d553a67056e94f60d621ca42dcecd6d93f9ef1ad
Link:
https://www.unpac.me/results/a8f8559f-b9ed-45de-ba29-954a3b86cc92/
SH256 hash:
bbf100c1dd5f7e121fd4e45e4f33d9ce6931a13ab3b6bfbcebf88f6df9b2edf8
MD5 hash:
c3e34e0e41730771487bf0a4edb41b76
SHA1 hash:
d4779e27e041801a078ee9363cc62005b153fb04
Link:
https://www.unpac.me/results/a8f8559f-b9ed-45de-ba29-954a3b86cc92/
SH256 hash:
71ca911df1549b80186a4eda9059c1ebcb1a89cc45fdc2c33f91e36dd24663ed
MD5 hash:
fc04b84ca3aea29adb72ccb3b092e574
SHA1 hash:
67d49e7333bb9d12f384c8db9593b7163899251a
Link:
https://www.unpac.me/results/a8f8559f-b9ed-45de-ba29-954a3b86cc92/
SH256 hash:
de9fdb344c542595de3ddf65357a6982f0085d0f7b42c1de534c3963134c2cb3
MD5 hash:
46187b7ff5b0201a7ea4169b1f25efbf
SHA1 hash:
3baa367619dc5349d663dab71c680b8072936ff5
Link:
https://www.unpac.me/results/a8f8559f-b9ed-45de-ba29-954a3b86cc92/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/de9fdb344c54/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/de9fdb344c542595de3ddf65357a6982f0085d0f7b42c1de534c3963134c2cb3

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 de9fdb344c542595de3ddf65357a6982f0085d0f7b42c1de534c3963134c2cb3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2111106/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/257337/

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