MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7ca3b28aa32d6b9bd972c430c47691db7212f9fd7b713c3ff2fab8b10a0bd66a. 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 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7ca3b28aa32d6b9bd972c430c47691db7212f9fd7b713c3ff2fab8b10a0bd66a
SHA3-384 hash: ba55ac0e27e6c83be2f89e764f2a0dbc2258a84453c5873353c839776f5b864ecd4391e9c2607d880fdc7105651a3c36
SHA1 hash: 7531aeddcd5d979b9a92ee6840eaab8e8f413abb
MD5 hash: 2d2b1546958ac1751e121d2131ead623
humanhash: network-oregon-july-romeo
File name:2d2b1546958ac1751e121d2131ead623
Download: download sample
Signature Formbook
Create hunting rule
File size:1'041'920 bytes
First seen:2022-09-11 01:08:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:zQNrg2iNBdFxvvENBPT4JCbZdyP6t9AVTXXKFrh0US0TrHHqf6WtRsIH:ca1ZFpENBsYbfVCXX4rp3HHqfJ3sIH
TLSH T1C1254C0721C54DA5C07250BC64CCC5B74BAADE85E63BC946BFCD9CAFF592F2846D22A0
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon ce9c9496e4949c9c (73 x AgentTesla, 51 x SnakeKeylogger, 30 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
372
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2d2b1546958ac1751e121d2131ead623
Verdict:
Suspicious activity
Analysis date:
2022-09-11 01:09:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/957ccd72-ea0f-40f8-bfce-2a3a77ff7967

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/309177/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Inject4.42183.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/631d354ca90642bcbbfe241b/reports/c8455c5d-fec7-4b24-b4dd-db97ca207436/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2651068b-3abc-4473-9310-5a1f136076fa
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1068291
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Injects a PE file into a foreign processes
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 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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 700823 Sample: ZT9VVkxRZQ.exe Startdate: 11/09/2022 Architecture: WINDOWS Score: 100 31 www.michaelcourtois.com 2->31 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 7 other signatures 2->41 9 ZT9VVkxRZQ.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\user\AppData\...\ZT9VVkxRZQ.exe.log, ASCII 9->23 dropped 51 Injects a PE file into a foreign processes 9->51 13 ZT9VVkxRZQ.exe 9->13         started        signatures6 process7 signatures8 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 16 explorer.exe 13->16 injected process9 dnsIp10 25 www.wifibungee.com 169.239.219.58, 49761, 49763, 49764 DIAMATRIXZA South Africa 16->25 27 metrocommads.com 69.12.91.80, 49760, 80 ASN-QUADRANET-GLOBALUS United States 16->27 29 2 other IPs or domains 16->29 33 System process connects to network (likely due to code injection or exploit) 16->33 20 svchost.exe 13 16->20         started        signatures11 process12 signatures13 43 Tries to steal Mail credentials (via file / registry access) 20->43 45 Tries to harvest and steal browser information (history, passwords, etc) 20->45 47 Deletes itself after installation 20->47 49 2 other signatures 20->49
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7ca3b28aa32d6b9bd972c430c47691db7212f9fd7b713c3ff2fab8b10a0bd66a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-09-09 16:28:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=psr3fcvdfvvzxwlsyqymi5ur3nzbf6p5pnytyp7s7k4lccql2zva._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:nogs rat spyware stealer trojan
Link:
https://tria.ge/reports/220911-bhsl9seegk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook
Unpacked files
SH256 hash:
d9f577eeb5f636400150bb327fd1bdf666d438d9c86924c1f044a4fef847c11d
MD5 hash:
bd41a466d6de81842ef36f24dadb3daf
SHA1 hash:
6b7aa252f5c347540a8b8e9f79a4c8831e348580
Detections:
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/fb8c218f-842a-4914-8a9b-c7bd2beb8301/
Parent samples :
7ca3b28aa32d6b9bd972c430c47691db7212f9fd7b713c3ff2fab8b10a0bd66a
d3fe4fbe955c26eb8ea6cb273a7102168e27bbfbf86cfbd5f9e1eaa3023e231f
4072ef77c0ab086cc41e0e997d147b0bf5e8473db4c34eaa4a9024fc7207c18c
SH256 hash:
4699a0e0e4411879c05cb801e9471a0918518258ce932a6b63a53ed0da1ca7bf
MD5 hash:
1016aaa68ecb65a3bdbd903eba94c1fb
SHA1 hash:
8b3cde59ee4a9e72865695d55f0275274e460795
Link:
https://www.unpac.me/results/fb8c218f-842a-4914-8a9b-c7bd2beb8301/
SH256 hash:
ee2a2762101c38c3a4583858fac2b2d30c1bf40c7e6edd8d4edbcdf83efb4bb3
MD5 hash:
1929ef3c77cba92101c6604c23a6b4d3
SHA1 hash:
b1dcf01d901429fc3b8e67a65809845950c6f0f8
Link:
https://www.unpac.me/results/fb8c218f-842a-4914-8a9b-c7bd2beb8301/
SH256 hash:
8b533ffaed24e0351e489b14aaac6960b731db189ce7ed0c0c02d4a546af8e63
MD5 hash:
dbc7be56e6e32349315170599c8b333f
SHA1 hash:
d8e5840e3574b87d435e55a65ac648e040871aee
Link:
https://www.unpac.me/results/fb8c218f-842a-4914-8a9b-c7bd2beb8301/
SH256 hash:
6dfc209f2798906a1a1777853d423c01afb18aa335f8e92e4bf5f618e49fd237
MD5 hash:
08f74f5578e5995b42868cbfa69a2c1d
SHA1 hash:
89fe4418bd8688f32a70144c37ab6f622ba17cc5
Link:
https://www.unpac.me/results/fb8c218f-842a-4914-8a9b-c7bd2beb8301/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/fb8c218f-842a-4914-8a9b-c7bd2beb8301/
SH256 hash:
7ca3b28aa32d6b9bd972c430c47691db7212f9fd7b713c3ff2fab8b10a0bd66a
MD5 hash:
2d2b1546958ac1751e121d2131ead623
SHA1 hash:
7531aeddcd5d979b9a92ee6840eaab8e8f413abb
Link:
https://www.unpac.me/results/fb8c218f-842a-4914-8a9b-c7bd2beb8301/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7ca3b28aa32d/report/overview.html
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/7ca3b28aa32d6b9bd972c430c47691db7212f9fd7b713c3ff2fab8b10a0bd66a

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
Create hunting rule
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 7ca3b28aa32d6b9bd972c430c47691db7212f9fd7b713c3ff2fab8b10a0bd66a

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2299038/
Cape
Cape
https://www.capesandbox.com/analysis/309177/

Comments


Avatar
zbet commented on 2022-09-11 01:08:40 UTC

url : hxxp://208.67.105.179/dollzx.exe