MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a204962f5d2fbcbc71778292c81dc1ed472f6cff3d4fb4712d39da538ff0414. 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: 17


Intelligence 17 IOCs YARA 5 File information Comments
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SHA256 hash: 5a204962f5d2fbcbc71778292c81dc1ed472f6cff3d4fb4712d39da538ff0414
SHA3-384 hash: afce6082673c1ea3f70962f17f237c61e14c53bbe47344733efbe87e29f32bf8e46cfc0977d7ff75ecdf2cf34879a9fd
SHA1 hash: 4fabbf429440fc62136f41b6f543daffad89f49b
MD5 hash: 023e06307649da41c5dc6846e8d0f486
humanhash: fish-video-alpha-cup
File name:Hesap ekstresi.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:443'785 bytes
First seen:2023-01-12 14:12:41 UTC
Last seen:2023-01-12 15:48:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:8Ya6S4povGJn6i7R64B7Uufqxiajrpw+Jifozvwab+2A:8Y9Cv4tfVqNfq+JcUlA
TLSH T1EC9458E2B3A04467D0149ABF677B97082F19CC693C72A2CF02597CA53EBF9425827DC5
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 367b4969492b3337 (1 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
185
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Hesap ekstresi.exe
Verdict:
Malicious activity
Analysis date:
2023-01-12 14:13:01 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/c041baf6-0850-4ea9-aaff-623d7a6496f5

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/352280/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.9936.13678.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Sending a custom TCP request
Launching cmd.exe command interpreter
Reading critical registry keys
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
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63c0156fa8d8c7dd032040a6/reports/7a282b03-ba89-42ae-8074-5d25d4d7b533/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/c94f29c4-46d3-423b-a01e-a9b99c413b33
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
evad.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1150352
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)
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
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 signatures2 2 Behavior Graph ID: 783084 Sample: Hesap ekstresi.exe Startdate: 12/01/2023 Architecture: WINDOWS Score: 100 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 3 other signatures 2->53 11 Hesap ekstresi.exe 19 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\...\xgbxoshv.exe, PE32 11->31 dropped 14 xgbxoshv.exe 11->14         started        process5 signatures6 63 Multi AV Scanner detection for dropped file 14->63 65 Detected unpacking (changes PE section rights) 14->65 67 Maps a DLL or memory area into another process 14->67 69 2 other signatures 14->69 17 xgbxoshv.exe 14->17         started        process7 signatures8 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Sample uses process hollowing technique 17->43 45 Queues an APC in another process (thread injection) 17->45 20 explorer.exe 2 6 17->20 injected process9 dnsIp10 33 td-ccm-168-233.wixdns.net 34.117.168.233, 49697, 80 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 20->33 35 www.ifkosterakerfk.com 212.123.41.108, 49699, 80 EPAG-ASDE Germany 20->35 37 7 other IPs or domains 20->37 55 System process connects to network (likely due to code injection or exploit) 20->55 24 mstsc.exe 20->24         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59 61 Tries to detect virtualization through RDTSC time measurements 24->61 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5a204962f5d2fbcbc71778292c81dc1ed472f6cff3d4fb4712d39da538ff0414/
Threat name:
Win32.Trojan.GuLoader
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Status:
Malicious
First seen:
2023-01-12 12:54:43 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=liqesyxv2l54xryxpauszao4d3khf5wp6pkpwrys2oo2koh7aqka._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:vy03 rat spyware stealer trojan
Link:
https://tria.ge/reports/230112-rjed2agc24/
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
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/93b27748-72b6-4137-927f-414789a6c38e
Unpacked files
SH256 hash:
64698f8ef446c62213582f64da3b6f24d1c8b2d67ddec714ef82f94c942a1593
MD5 hash:
5bd3539e981068d61a718e08376fe4cc
SHA1 hash:
663b9f969a47bc6a2fc339682b3c56e47b9c5743
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/9de7d633-db48-4bcd-b9ed-d2d34b200071/
Parent samples :
ab080c6c62ba54b560f3feb271626ae0fe1804834f51eeac008f576f4e1299a0
5a204962f5d2fbcbc71778292c81dc1ed472f6cff3d4fb4712d39da538ff0414
53ef5cf03618cf6124b33c3ef3fbb97a993b9612b2fff665bb7de2fec5d7dfac
d57ad8a21aa598c3aea680ee4abdebc2ee552c290a1f5d498f3516b084a95d38
596582af66790eee7160b485c4fa5d060b3c820af83343fe4c12fa360043a09f
SH256 hash:
6f9c87e56ddfd73fd6cd7e6c3a18c7966809817ccd166530c5832c9444a4c86a
MD5 hash:
db625ec854260c5eacd5bb6257b6b976
SHA1 hash:
0c39250934cb64cc20cc45326bb174fa53fe134b
Link:
https://www.unpac.me/results/9de7d633-db48-4bcd-b9ed-d2d34b200071/
SH256 hash:
5a204962f5d2fbcbc71778292c81dc1ed472f6cff3d4fb4712d39da538ff0414
MD5 hash:
023e06307649da41c5dc6846e8d0f486
SHA1 hash:
4fabbf429440fc62136f41b6f543daffad89f49b
Link:
https://www.unpac.me/results/9de7d633-db48-4bcd-b9ed-d2d34b200071/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5a204962f5d2/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/5a204962f5d2fbcbc71778292c81dc1ed472f6cff3d4fb4712d39da538ff0414

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: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.

File information

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

Malspam

Formbook

Executable exe 5a204962f5d2fbcbc71778292c81dc1ed472f6cff3d4fb4712d39da538ff0414

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/352280/

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