MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c3654d20a676bf9b7f77546e23bfb3a7d2d23f1d535d0feced966a22ece5d60. 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: 18


Intelligence 18 IOCs YARA 7 File information Comments 1
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SHA256 hash: 6c3654d20a676bf9b7f77546e23bfb3a7d2d23f1d535d0feced966a22ece5d60
SHA3-384 hash: b8d2338ca65d90a13447acba3c017f2926e1945ab44a8469accb60b9b667b81042d9a07de0992d79397274e7dcfa5b04
SHA1 hash: 3f6c3e8cc656a436be4ddbc248432e48dcd8aa0d
MD5 hash: aa05023887117e6f52dce6ae40dcab9d
humanhash: cat-johnny-four-autumn
File name:aa05023887117e6f52dce6ae40dcab9d
Download: download sample
Signature Formbook
Create hunting rule
File size:279'065 bytes
First seen:2023-02-13 16:07:59 UTC
Last seen:2023-02-13 17:37:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:BYa6q6/iwjO/07RXNHT0uZ0w+5IoujNbjcgTAgqZ6VOmA+:BYcKji079BV0/IVNbQgMkw+
TLSH T19F541221EEB188DBC4B389B15D7A42A7B7ACF901E054B70B174829593F1BC92C32D757
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2e1b496a6cada72 (13 x LummaStealer, 12 x AsyncRAT, 8 x Rhadamanthys)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
200
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Quotation QU126211.doc
Verdict:
Malicious activity
Analysis date:
2023-02-13 15:01:15 UTC
Tags:
trojan exploit cve-2017-11882 loader formbook xloader stealer
Link:
https://app.any.run/tasks/212ace08-539f-4a03-a937-3032af300915

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/365170/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.17728.6355.28603.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/69122/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
nemesis overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63ea6064c586fd8a755def52/reports/e5bd5296-d966-4844-82e2-abeb05ccd524/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/6c3654d20a676bf9b7f77546e23bfb3a7d2d23f1d535d0feced966a22ece5d60
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/b1e2ef21-34a3-4854-9f1e-7786c24b8fbc
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1173538
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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: 806329 Sample: zv2f5dUKdd.exe Startdate: 13/02/2023 Architecture: WINDOWS Score: 100 36 www.myimmigration.net 2->36 52 Snort IDS alert for network traffic 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 58 5 other signatures 2->58 12 zv2f5dUKdd.exe 19 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\dfglvpsjkp.exe, PE32 12->34 dropped 15 dfglvpsjkp.exe 12->15         started        process6 signatures7 68 Multi AV Scanner detection for dropped file 15->68 70 Detected unpacking (changes PE section rights) 15->70 72 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->72 74 3 other signatures 15->74 18 dfglvpsjkp.exe 15->18         started        process8 signatures9 44 Modifies the context of a thread in another process (thread injection) 18->44 46 Maps a DLL or memory area into another process 18->46 48 Sample uses process hollowing technique 18->48 50 Queues an APC in another process (thread injection) 18->50 21 explorer.exe 2 1 18->21 injected process10 dnsIp11 38 www.abovetheaverageent.com 199.34.228.74, 49695, 80 WEEBLYUS United States 21->38 40 www.truegritconsultants.com 21->40 42 2 other IPs or domains 21->42 60 System process connects to network (likely due to code injection or exploit) 21->60 25 wscript.exe 21->25         started        28 autoconv.exe 21->28         started        signatures12 process13 signatures14 62 Modifies the context of a thread in another process (thread injection) 25->62 64 Maps a DLL or memory area into another process 25->64 66 Tries to detect virtualization through RDTSC time measurements 25->66 30 cmd.exe 1 25->30         started        process15 process16 32 conhost.exe 30->32         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/6c3654d20a676bf9b7f77546e23bfb3a7d2d23f1d535d0feced966a22ece5d60/
Threat name:
Win32.Spyware.Noon
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Status:
Malicious
First seen:
2023-02-13 15:11:50 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
18 of 26 (69.23%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nq3fjuqkm5v7tn7xovdoeo73hj6s2i7r2u25b7wo3ftkelwolvqa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:sk29 rat spyware stealer trojan
Link:
https://tria.ge/reports/230213-tk7s3sdg41/
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
236717fc22df1f7ee4f8ded993fd44e3b67a04f04e43d8dcfa3bd818525bafe6
MD5 hash:
8658874b9698ae905b5f95069d718a26
SHA1 hash:
27c270fd5ea76820c493562d8f7cba5e35854757
Link:
https://www.unpac.me/results/bbdd3686-96fc-4664-a2cc-7cd40cfba059/
SH256 hash:
6c3654d20a676bf9b7f77546e23bfb3a7d2d23f1d535d0feced966a22ece5d60
MD5 hash:
aa05023887117e6f52dce6ae40dcab9d
SHA1 hash:
3f6c3e8cc656a436be4ddbc248432e48dcd8aa0d
Link:
https://www.unpac.me/results/bbdd3686-96fc-4664-a2cc-7cd40cfba059/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6c3654d20a67/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6c3654d20a676bf9b7f77546e23bfb3a7d2d23f1d535d0feced966a22ece5d60

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Web download

Formbook

Executable exe 6c3654d20a676bf9b7f77546e23bfb3a7d2d23f1d535d0feced966a22ece5d60

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2538881/
Cape
Cape
https://www.capesandbox.com/analysis/365170/

Comments


Avatar
zbet commented on 2023-02-13 16:08:03 UTC

url : hxxp://www.ingetic.cl/wp-content/themes/seotheme/fransh2.1.exe