MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 29809fad091bd2d44c4f7a83958658b2ce830a60db7e8af0395af1ac89d0d671. 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 8 File information Comments 1
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SHA256 hash: 29809fad091bd2d44c4f7a83958658b2ce830a60db7e8af0395af1ac89d0d671
SHA3-384 hash: eda93c820afe6e110911d28644a9002ad0a030f6f479d19ead806f44957d57de17f0170b055c8378806ee5b7ef0d176a
SHA1 hash: 15402c228e4faacac61fc03a23f6f073ba357d97
MD5 hash: 2a4da90bb49bb5bc868487f4509079fd
humanhash: mobile-alaska-wisconsin-saturn
File name:2a4da90bb49bb5bc868487f4509079fd
Download: download sample
Signature Formbook
Create hunting rule
File size:241'664 bytes
First seen:2023-04-14 11:27:33 UTC
Last seen:2023-04-14 13:29:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 3072:WP25jF3cRQvFabDwBOP2LEBLVsJq6NgUCVyrxLIPMpGNPKZidPb55:33c+XbENVWgTALBAl5
Threatray 677 similar samples on MalwareBazaar
TLSH T126346C119B1C947FCE592A36D5A208560FF090B2DDE5CBD248C4ADF88823BC578FE65B
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon eaeaeaee5e4ecece (2 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
252
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
RFQ_Novaflex.xls
Verdict:
Malicious activity
Analysis date:
2023-04-14 10:17:36 UTC
Tags:
exploit cve-2017-11882 opendir loader formbook xloader trojan stealer
Link:
https://app.any.run/tasks/49e608f6-3c1d-43a8-b4cc-14c7e7af969d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/382261/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.76651.15777.18065.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
DNS request
Searching for the window
Сreating synchronization primitives
Sending an HTTP GET request
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/643938c459a1287810bc2390/reports/0a796007-7db7-427e-bbcb-5f06095be3d3/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/29809fad091bd2d44c4f7a83958658b2ce830a60db7e8af0395af1ac89d0d671
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/58888bda-2cfc-4339-a727-323b06dc4dd7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1213874
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
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
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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 846802 Sample: JyFW3fyt5d.exe Startdate: 14/04/2023 Architecture: WINDOWS Score: 100 38 www.bbangnmoolgogi.com 2->38 40 bbangnmoolgogi.com 2->40 58 Snort IDS alert for network traffic 2->58 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 6 other signatures 2->64 11 JyFW3fyt5d.exe 15 7 2->11         started        signatures3 process4 dnsIp5 48 172.245.191.46, 49697, 80 AS-COLOCROSSINGUS United States 11->48 34 C:\Users\user\AppData\...\JyFW3fyt5d.exe.log, ASCII 11->34 dropped 36 C:\Users\user\AppData\Roaming\...\Qcqgy.exe, PE32 11->36 dropped 72 Creates an undocumented autostart registry key 11->72 74 Encrypted powershell cmdline option found 11->74 76 Writes to foreign memory regions 11->76 78 2 other signatures 11->78 16 MSBuild.exe 11->16         started        19 powershell.exe 16 11->19         started        file6 signatures7 process8 signatures9 50 Modifies the context of a thread in another process (thread injection) 16->50 52 Maps a DLL or memory area into another process 16->52 54 Sample uses process hollowing technique 16->54 56 2 other signatures 16->56 21 explorer.exe 2 1 16->21 injected 25 conhost.exe 19->25         started        process10 dnsIp11 42 live2024americanelection.com 15.197.142.173, 49701, 80 TANDEMUS United States 21->42 44 www.boudoirnxt.com 185.104.28.238, 49700, 80 AS-ZXCSNL Netherlands 21->44 46 www.live2024americanelection.com 21->46 66 System process connects to network (likely due to code injection or exploit) 21->66 27 msiexec.exe 21->27         started        signatures12 process13 signatures14 68 Modifies the context of a thread in another process (thread injection) 27->68 70 Maps a DLL or memory area into another process 27->70 30 cmd.exe 1 27->30         started        process15 process16 32 conhost.exe 30->32         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/29809fad091bd2d44c4f7a83958658b2ce830a60db7e8af0395af1ac89d0d671/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fgaj7lijdpjnitcppkbzlbsywlhigcta3n7iv4bzlly2zcoq2zyq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0bf1ad7e3d5f2bdd589d32f36db80fe2862a8b3412c7cfcdef4f839c9339d6af
Formbook
1da1d27f8c3f4188f1767f87ae85c14e1fda3fa80142af97697864580f1a2397
Formbook
2358f255cb8390a108fca6934209b56e8f72eb08dbb3708431c449fffe8338e5
Formbook
4b3d0ec18f7503bf5af786d1b7174606e4133d890dececa1b27337d7ffaea880
Formbook
87b9b4c99a296003001f8fbac9c6bce260b054a6ce135d6f99449cc3e27ca816
Formbook
b284d003b3fe69db7b293a9ec8d080952f6190026bbd28f2e0ab22273197a080
Formbook
c9bdb8c092e5af89aacb7feae545fa43da02c84f6ac74a3a60cef3f9076c0ca4
Formbook
d279e3202c62da190c154aaa835cffce869db3b7811c382bd8b51cd339302589
Formbook
d346f44b099d0aa4226f6a6340e660e003d5293ee68c4d4fe38b301754c271fb
Formbook
dfb9a75bd82bcf0d9f72647affdf954d936d629eb3be78fe4b5c9b5166ccb9d6
Formbook
+ 667 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:c29i rat spyware stealer trojan
Link:
https://tria.ge/reports/230414-nkz6cabb2t/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
29809fad091bd2d44c4f7a83958658b2ce830a60db7e8af0395af1ac89d0d671
MD5 hash:
2a4da90bb49bb5bc868487f4509079fd
SHA1 hash:
15402c228e4faacac61fc03a23f6f073ba357d97
Link:
https://www.unpac.me/results/bd3b1d3c-ec82-497c-b83e-d23ca5a6dc4f/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/29809fad091b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/29809fad091bd2d44c4f7a83958658b2ce830a60db7e8af0395af1ac89d0d671

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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 29809fad091bd2d44c4f7a83958658b2ce830a60db7e8af0395af1ac89d0d671

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2609014/
Cape
Cape
https://www.capesandbox.com/analysis/382261/

Comments


Avatar
zbet commented on 2023-04-14 11:27:36 UTC

url : hxxp://172.245.191.46/000/nnn.exe