MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9d503fba930fcf9724778a17659948875302b2fc7148c82779c29dfc18fb8cc3. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
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SHA256 hash: 9d503fba930fcf9724778a17659948875302b2fc7148c82779c29dfc18fb8cc3
SHA3-384 hash: 81a9ca50cd342d162991d652ae1f0a67217b79ca462fad80f4af920759ac70c0b1cecfe62387c56aa1d9fc795df3cc9e
SHA1 hash: 4c1d8fcf41c7ea7aa12bcd716a88836fb7dae3ea
MD5 hash: 45703e2e8fea96fffb9db9aa78213b20
humanhash: mirror-yellow-sixteen-lamp
File name:45703e2e8fea96fffb9db9aa78213b20.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:631'296 bytes
First seen:2021-09-28 06:27:02 UTC
Last seen:2021-09-28 08:29:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:Xz89QzvuNi+hBr7IUAXi98mqy+mGJ9GvpGElkTbAKS2itBTLeGB/:XY98uNi+hBr8UAXNN9Gvt2i3Le2
Threatray 9'679 similar samples on MalwareBazaar
TLSH T1BAD49DD91EB457CBFB5E01F8FA782B8813BA9024D59BF2C7CA45B0B350367584920ED6
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
158
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
45703e2e8fea96fffb9db9aa78213b20.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-28 06:28:50 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/61d125be-29c8-46e6-a5d3-d18502e5fb0d

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/192389/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.14006.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c6d7fed9-145d-4371-b6ea-59bddfbf29b0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/859596
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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)
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
System process connects to network (likely due to code injection or exploit)
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 signatures2 2 Behavior Graph ID: 492064 Sample: a1KTGw1T5C.exe Startdate: 28/09/2021 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 7 other signatures 2->38 10 a1KTGw1T5C.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\a1KTGw1T5C.exe.log, ASCII 10->28 dropped 50 Tries to detect virtualization through RDTSC time measurements 10->50 52 Injects a PE file into a foreign processes 10->52 14 a1KTGw1T5C.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.dia-gnwsis.art 17->30 40 System process connects to network (likely due to code injection or exploit) 17->40 21 colorcpl.exe 17->21         started        signatures10 process11 signatures12 42 Self deletion via cmd delete 21->42 44 Modifies the context of a thread in another process (thread injection) 21->44 46 Maps a DLL or memory area into another process 21->46 48 Tries to detect virtualization through RDTSC time measurements 21->48 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9d503fba930fcf9724778a17659948875302b2fc7148c82779c29dfc18fb8cc3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-09-28 06:27:14 UTC
AV detection:
17 of 45 (37.78%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2ac830fd4c5c4c3522b5cb9983edc13f2580b932875bc9daeb02633b8829fb3b
Formbook
410659d6e76a955d58e88df12ffea3550a57758513630f051c6e66caa343fdad
Formbook
49d82a6b19fe35893b419696bace48db225826ccfa73da61ca22f59f7f045406
Formbook
4c5887639c1dfcc0349690d98e9c8034029a6fa2f2e6bdbba96371bf23ce3301
Formbook
581490b0a14adee57f1862645ccf257d1db7720d31ba7a8b58756f1a11672223
Formbook
6bb763ffd1ca484344f2a02df3f9e6bddc18a0f1fcd5d58002ad16b82b36db90
Formbook
7162b4c9de1772aa721d26d185fd1b7e32a9de5c6ebfd86cab3ef0ed7561a837
Formbook
972f5e016ffc306524d7083a5a5058ba8b5fc60f3db9f3c0915db59c0523a487
Formbook
d39ec2fb7fa07bb6886173571262d2324d96b6e879ccc4f2cea46ece183e576a
Formbook
eca9be257354d26e49e1b03d1b8d42228cf66b5ee1b1236afad3c348da43c48b
Formbook
+ 9'669 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ed9s rat spyware stealer trojan
Link:
https://tria.ge/reports/210928-g7sapaaha5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.vaughnmethod.com/ed9s/
Unpacked files
SH256 hash:
74605ccb79176e2b2bd8795845f4c0dd5b9ff6a1344f3ff0bdb3ccdf9a17af56
MD5 hash:
eb9247aeab44b54422a0a0cc4adbe7c7
SHA1 hash:
2ff0478139920ab6dd4cf65530465f9fc702caa3
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/9b614a7b-1b24-4b3a-9205-b9cf2cb081c9/
Parent samples :
972f5e016ffc306524d7083a5a5058ba8b5fc60f3db9f3c0915db59c0523a487
9d503fba930fcf9724778a17659948875302b2fc7148c82779c29dfc18fb8cc3
46ce2096cf4b2b0a2dfa386e25baa17078c270a469ae6704e36611fb7c67f908
76cd5f994be53f3f24e2b2018263b9ab582e84870ee8d24f38c6d11adae3688c
4a028b7f272dd96c75716d2268b551576a01ebccaca97bb19da43ec21dbe8514
f13197aff6f530d9883aa1787cd57f4580c4c92bcaa5100f2641924c3e6867a5
SH256 hash:
612dd0937af2e38ce8231989c9194bd63aaedfb23b2130bf111f4706d90a9032
MD5 hash:
d2dac2d489baa387a61714f4a02e5a82
SHA1 hash:
7be546681b4e562d1b73590cee3ebaac13b8d11d
Link:
https://www.unpac.me/results/9b614a7b-1b24-4b3a-9205-b9cf2cb081c9/
SH256 hash:
5cba256bf185a45944e8555079b81993522b7480e3e4a6284460872776c68582
MD5 hash:
6170f8c5fe6b9f1ec46debd836889a0c
SHA1 hash:
6209c90cc3a41ad2275c5eb4963702a239abd8d8
Link:
https://www.unpac.me/results/9b614a7b-1b24-4b3a-9205-b9cf2cb081c9/
SH256 hash:
6a671abf66304301602b4afd0902840bc3915455cffc58d8916eaa693abe33ec
MD5 hash:
681eca96e4e7b513317178dc7065ef39
SHA1 hash:
24af82015bc57d125f1ccb759840118b2283d1dc
Link:
https://www.unpac.me/results/9b614a7b-1b24-4b3a-9205-b9cf2cb081c9/
SH256 hash:
9d503fba930fcf9724778a17659948875302b2fc7148c82779c29dfc18fb8cc3
MD5 hash:
45703e2e8fea96fffb9db9aa78213b20
SHA1 hash:
4c1d8fcf41c7ea7aa12bcd716a88836fb7dae3ea
Link:
https://www.unpac.me/results/9b614a7b-1b24-4b3a-9205-b9cf2cb081c9/
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/9d503fba930fcf9724778a17659948875302b2fc7148c82779c29dfc18fb8cc3

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
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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.

Web download

Formbook

Executable exe 9d503fba930fcf9724778a17659948875302b2fc7148c82779c29dfc18fb8cc3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1583605/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/192389/

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