MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6bc6ca3dfc2f605544d24bd9b675fbf8b49a90c591b3892b438ef494bb5f6cb9. 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 6 File information Comments

SHA256 hash: 6bc6ca3dfc2f605544d24bd9b675fbf8b49a90c591b3892b438ef494bb5f6cb9
SHA3-384 hash: 8cfff97df246e5fc9f200381b89e16cfc133857fd2d8f5a52e1ad29e2cc16bbc38fa8000bbd703c6ae6ab586728e294b
SHA1 hash: edd676e4f60d8f0190162c8f092983c6af84b49b
MD5 hash: d352ea94e85aec707a6c269626943e29
humanhash: romeo-shade-xray-nineteen
File name:file
Download: download sample
Signature Formbook
File size:356'654 bytes
First seen:2023-01-31 13:11:36 UTC
Last seen:2023-01-31 14:29:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:zYa6SIuubU9cdy9XqFFKt089uc/Ak+Dw989uwmdckP2r7kIrY28Ij2s6Y:zY1uubZw1qF1c/+kjdfPY7kIrY42s/
TLSH T14D74DFC6FE40D4A5EC2A87311A3ADE715A537C3D91B4251C3BCE3E6B3EBB052942A513
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 d4c4c4d8ccd4f0c4 (63 x Formbook, 23 x AgentTesla, 8 x RemcosRAT)
Reporter jstrosch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
193
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-31 13:13:13 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
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 a process
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Launching the default Windows debugger (dwwin.exe)
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
Behaviour
MalwareBazaar
Verdict:
No Threat
Threat level:
  2/10
Confidence:
83%
Tags:
overlay packed shell32.dll
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 795150 Sample: file.exe Startdate: 31/01/2023 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->40 42 3 other signatures 2->42 9 file.exe 19 2->9         started        process3 file4 26 C:\Users\user\AppData\Local\Temp\cigcgg.exe, PE32 9->26 dropped 12 cigcgg.exe 9->12         started        process5 signatures6 54 Detected unpacking (changes PE section rights) 12->54 56 Maps a DLL or memory area into another process 12->56 15 cigcgg.exe 12->15         started        process7 signatures8 58 Modifies the context of a thread in another process (thread injection) 15->58 60 Maps a DLL or memory area into another process 15->60 62 Sample uses process hollowing technique 15->62 64 Queues an APC in another process (thread injection) 15->64 18 explorer.exe 1 1 15->18 injected process9 dnsIp10 28 www.dongshi88.com 211.149.132.144, 80 CHINANET-SCIDC-AS-APCHINANETSiChuanTelecomInternetData China 18->28 30 www.bts-exhibition20.com 199.59.243.222, 49695, 80 BODIS-NJUS United States 18->30 32 6 other IPs or domains 18->32 44 System process connects to network (likely due to code injection or exploit) 18->44 22 explorer.exe 13 18->22         started        signatures11 process12 dnsIp13 34 www.dongshi88.com 22->34 46 System process connects to network (likely due to code injection or exploit) 22->46 48 Tries to steal Mail credentials (via file / registry access) 22->48 50 Tries to harvest and steal browser information (history, passwords, etc) 22->50 52 2 other signatures 22->52 signatures14
Threat name:
Win32.Trojan.Garf
Status:
Malicious
First seen:
2023-01-31 13:12:10 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware stealer
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
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Unpacked files
SH256 hash:
dbaef780b19d70014369da279431ca61fbe2f15f3593c58db0c4572b9ddf094d
MD5 hash:
8d0f13a6c9e62ee404113e99171d0f20
SHA1 hash:
84f88373dc8640337ebf1a9a0e745e5cabe1d057
SH256 hash:
d13ae5c77185b9e05d78da2a24f5031bc9aff331459395a7c26d1d143b407530
MD5 hash:
10f8b73625bd463839d48940995d4d86
SHA1 hash:
2904c95abb857e9f8546579b371a11b25e5ad5eb
Detections:
win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
9a2c4f84b554306f955750cc86e1c3b0890f75d2437b42fd59bb6b735f56d0f8
MD5 hash:
317c9805336c9e44a310787211d5e862
SHA1 hash:
50a6fca5c87917e8240fac566dc2f2966d34df0a
SH256 hash:
6bc6ca3dfc2f605544d24bd9b675fbf8b49a90c591b3892b438ef494bb5f6cb9
MD5 hash:
d352ea94e85aec707a6c269626943e29
SHA1 hash:
edd676e4f60d8f0190162c8f092983c6af84b49b
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
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_auto
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.

Web download

Formbook

Executable exe 6bc6ca3dfc2f605544d24bd9b675fbf8b49a90c591b3892b438ef494bb5f6cb9

(this sample)

  
Delivery method
Distributed via web download
  
Delivery method
Distributed via web download

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