MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d341b6fe8642df50756dfc1fd18bf37e605718a7b6c2944d117b3a8bf13b4650. 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: 15


Intelligence 15 IOCs YARA 7 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d341b6fe8642df50756dfc1fd18bf37e605718a7b6c2944d117b3a8bf13b4650
SHA3-384 hash: 3ca220af8c0cb34848e0fc730e9ff7d33fc528a6999ecfdc913f459881a89559f4092937ebb7ae7aa5fd326ca69116ca
SHA1 hash: 2cc767b4e9ba2214a0a1211045c1841595080ba4
MD5 hash: b9e1bfbf09491bfb164214ce2618acb7
humanhash: monkey-connecticut-charlie-april
File name:b9e1bfbf09491bfb164214ce2618acb7
Download: download sample
Signature Formbook
Create hunting rule
File size:361'917 bytes
First seen:2023-03-23 16:32:16 UTC
Last seen:2023-03-23 18:31:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 429 x GuLoader)
ssdeep 6144:/Ya69VrczRI4gnuqFhFHNwNfbsOvFgyJTfVnBbBcIH4e+Ms:/YHVrcDiLvwlsaFg6aIH45
Threatray 2'592 similar samples on MalwareBazaar
TLSH T1B6742306BF20F41FC9A326724A7913630A70A412197CD72F5B849BDD7D7B252AE0E793
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
261
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
b9e1bfbf09491bfb164214ce2618acb7
Verdict:
Malicious activity
Analysis date:
2023-03-23 16:34:22 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/cda6a90a-0527-4d8a-ac6c-7cd7ed748b0a

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/376914/
Detection(s):
Sanesecurity.Malware.28885.BadCo.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
Сreating synchronization primitives
Searching for synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Launching a process
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/74461/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
86%
Tags:
comodo nemesis overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/641c7f408f3f4544f6cb9d3d/reports/ddaf3c14-e9f0-41ee-a7d5-7fb8c80da168/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/d341b6fe8642df50756dfc1fd18bf37e605718a7b6c2944d117b3a8bf13b4650
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/e07748bb-30d1-4cd1-8ea6-c93cca04ef3f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1200613
Signature
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 833518 Sample: 0KErTKc5JI.exe Startdate: 23/03/2023 Architecture: WINDOWS Score: 100 30 www.white-hat.uk 2->30 32 www.fclaimrewardccpointq.shop 2->32 34 white-hat.uk 2->34 50 Snort IDS alert for network traffic 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 3 other signatures 2->56 10 0KErTKc5JI.exe 19 2->10         started        signatures3 process4 file5 28 C:\Users\user\AppData\Local\...\tlsouvt.exe, PE32 10->28 dropped 13 tlsouvt.exe 1 10->13         started        process6 signatures7 70 Multi AV Scanner detection for dropped file 13->70 72 Detected unpacking (changes PE section rights) 13->72 74 Maps a DLL or memory area into another process 13->74 16 tlsouvt.exe 13->16         started        19 conhost.exe 13->19         started        process8 signatures9 42 Modifies the context of a thread in another process (thread injection) 16->42 44 Maps a DLL or memory area into another process 16->44 46 Sample uses process hollowing technique 16->46 48 Queues an APC in another process (thread injection) 16->48 21 explorer.exe 1 6 16->21 injected process10 dnsIp11 36 www.222ambking.org 91.195.240.94, 49705, 49706, 80 SEDO-ASDE Germany 21->36 38 www.younrock.com 81.17.29.146, 49709, 49710, 80 PLI-ASCH Switzerland 21->38 40 9 other IPs or domains 21->40 58 System process connects to network (likely due to code injection or exploit) 21->58 60 Performs DNS queries to domains with low reputation 21->60 25 wscript.exe 13 21->25         started        signatures12 process13 signatures14 62 Tries to steal Mail credentials (via file / registry access) 25->62 64 Tries to harvest and steal browser information (history, passwords, etc) 25->64 66 Modifies the context of a thread in another process (thread injection) 25->66 68 Maps a DLL or memory area into another process 25->68
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d341b6fe8642df50756dfc1fd18bf37e605718a7b6c2944d117b3a8bf13b4650/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-03-23 16:33:08 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2na3n7ugilpva5ln7qp5dc7tpzqfogfhw3bjitirpm5ix4j3izia._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
142f8b22d894f1fee4c501acbc425edec276004d5d30ab7572cdfab85e89ad12
Formbook
1682bd22bd27dd3a278554973648ee1bc62d456a029aefb95ec7dcecdb23e235
Formbook
1898f22fac7a609e186050d787f60be2d8427ad8d24fa66f44c0ddcc17cb72d5
Formbook
3632e05e0742cd8f5d764ecaf243796aeb11ba5dfa858d4a2a2fae1d04734dcb
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3af2c0904f3729e0408f6479f4222d5fbcf695f2b5cd32e8737e8690661bb18b
Formbook
987f477e626f57c4ba440be3016995b5b9d7365a422c0a1d9be524e4993def8a
Formbook
aeb52b6f9b9f7b458048aa0eba6255840d1a90f4309f18c95acc0f3f4b972df3
Formbook
c81c83ab1925106c70d6393edc0fcc117a4cb12ac96383ad28ceabe54c12fb4f
Formbook
ebce15ad53b98d7aba7f7544ee947e88f58d696e22ca4bc5d15b2ded37b577ac
Formbook
+ 2'582 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230323-t2hwaagh42/
Behaviour
Modifies Internet Explorer settings
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
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
9d96709cf69f43ca51f5a189f39695d4065a74d6dee74e2aab62d3699a27cd65
MD5 hash:
02360729e9adfc7d8fdb18248cacb6db
SHA1 hash:
b0b44b2de2c313c56d41f03d5b0d4af9c7d877c7
Link:
https://www.unpac.me/results/54fee03d-385b-4fa2-9f3e-7925e1d3231e/
SH256 hash:
d341b6fe8642df50756dfc1fd18bf37e605718a7b6c2944d117b3a8bf13b4650
MD5 hash:
b9e1bfbf09491bfb164214ce2618acb7
SHA1 hash:
2cc767b4e9ba2214a0a1211045c1841595080ba4
Link:
https://www.unpac.me/results/54fee03d-385b-4fa2-9f3e-7925e1d3231e/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d341b6fe8642/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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 d341b6fe8642df50756dfc1fd18bf37e605718a7b6c2944d117b3a8bf13b4650

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2582330/
Cape
Cape
https://www.capesandbox.com/analysis/376914/

Comments


Avatar
zbet commented on 2023-03-23 16:32:19 UTC

url : hxxp://103.189.202.84/M55190/vbc.exe