MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 896a539c6cb6f313782dc5f1bc8c296abd6732b0907c573ddd12ab9f6a666eb1. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 896a539c6cb6f313782dc5f1bc8c296abd6732b0907c573ddd12ab9f6a666eb1
SHA3-384 hash: 2cc6dcbe447a3efa6cd7372327b7df007b54ae278755abf8e51b96fe654060228e85063a9a028add1264a82ac7bcc966
SHA1 hash: 6a2e9891c59211710615322d03763b6a4857d2c6
MD5 hash: d826f8c8edb9b4eea8ee18fa75572490
humanhash: black-batman-thirteen-cola
File name:d826f8c8edb9b4eea8ee18fa75572490
Download: download sample
Signature Formbook
Create hunting rule
File size:346'256 bytes
First seen:2023-03-23 07:45:52 UTC
Last seen:2023-03-23 09:31:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:jYa6WIIzGloikFLNRZiFcDt+MkXb/A+2TMJ2kHzD4kcp:jYxIzECUeYMKb/A+2QJ2afvS
Threatray 2'406 similar samples on MalwareBazaar
TLSH T1A374CFC6F950A5B5EC1A83311636DD325A13BC3DA4B42A1D3BCE3E3B3EBB0529416953
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 zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
295
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
d826f8c8edb9b4eea8ee18fa75572490
Verdict:
Malicious activity
Analysis date:
2023-03-23 07:48:42 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/c89c8821-311d-46c7-b72e-705ea070b24d

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/376790/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.1805.4168.10605.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
Сreating synchronization primitives
Searching for synchronization primitives
Searching for the window
Launching a process
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
Link:
https://dragonfly.certego.net/analysis/74402/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook nemesis overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/641c03ba28f6cfd59136feb4/reports/04649085-0c3f-4ab0-9f44-5f8813b53701/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/896a539c6cb6f313782dc5f1bc8c296abd6732b0907c573ddd12ab9f6a666eb1
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/2d1917c3-2023-4c18-b85e-a5e3eac2be4d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1200166
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 domain / URL
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
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 signatures2 2 Behavior Graph ID: 833072 Sample: f9d3GKkDC3.exe Startdate: 23/03/2023 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic 2->35 37 Multi AV Scanner detection for domain / URL 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 5 other signatures 2->41 9 f9d3GKkDC3.exe 19 2->9         started        process3 file4 27 C:\Users\user\AppData\Local\...\rcopzfxj.exe, PE32 9->27 dropped 12 rcopzfxj.exe 1 9->12         started        process5 signatures6 53 Multi AV Scanner detection for dropped file 12->53 55 Detected unpacking (changes PE section rights) 12->55 57 Maps a DLL or memory area into another process 12->57 15 rcopzfxj.exe 12->15         started        18 conhost.exe 12->18         started        process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 20 explorer.exe 2 1 15->20 injected process9 dnsIp10 29 mtgu.net 165.140.71.65, 49700, 49701, 80 WISCNET1-ASUS Reserved 20->29 31 www.celestinshipping.org 74.220.199.6, 49698, 49699, 80 UNIFIEDLAYER-AS-1US United States 20->31 33 13 other IPs or domains 20->33 43 System process connects to network (likely due to code injection or exploit) 20->43 24 wlanext.exe 13 20->24         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 24->45 47 Tries to harvest and steal browser information (history, passwords, etc) 24->47 49 Modifies the context of a thread in another process (thread injection) 24->49 51 Maps a DLL or memory area into another process 24->51
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/896a539c6cb6f313782dc5f1bc8c296abd6732b0907c573ddd12ab9f6a666eb1/
Threat name:
Win32.Trojan.Generic
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Status:
Suspicious
First seen:
2023-03-23 07:49:23 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rfvfhhdmw3zrg6bnyxy3zdbjnk6womvqsb6fopo5ckvz62tgn2yq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1583037e8ed80b3e80955da8e0138cbce6faf0fd0df77f50c7551d290ec67f2d
Formbook
213002db79b1a5e11521190f9f11fcdda96e24ab0f382fff8b9f6347c618631d
Formbook
43440434172d5730884fa5f0ae4f7ae73c4815e74618d18bc405d18dd325fed4
Formbook
9ada0ca121fe2b402b0da1728cd9f1fbb36d61a62fd40bbe8428756c329e04e8
Formbook
a7cddad106ee53356655fadfaeaf3b2845aa20de20fbc772cc81866d19993d3d
Formbook
b0302231ae277b08e383cef527b093307edf552a1777b5c9a088e2e1c61ad6fe
Formbook
c81c83ab1925106c70d6393edc0fcc117a4cb12ac96383ad28ceabe54c12fb4f
Formbook
ca0e3813c0c1155a09e9fb2f0e9133fd61c8438d875a3ed797b9bdf3ad79c5fb
Formbook
e0917d732b7c34e4ff60f30a9115ad84dbf3eb15be3301db9bb7297f1ac8581c
Formbook
f7bb2d35300a95c164089832c13410023d2293390130109ae3693fd0d05a3df8
Formbook
+ 2'396 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230323-jlyxfsec77/
Behaviour
Gathers network information
Modifies Internet Explorer settings
Modifies registry class
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:
7c75a018cac3a40df48c1e78b61d274e7a5088703e19b6c952fcf5a18d887c6b
MD5 hash:
f2365c9fee231a8ff28c476b3f55edec
SHA1 hash:
f4d190b78808e3a0671573a99e4bf33eac5e1fc8
Link:
https://www.unpac.me/results/bf190c50-10dc-4c39-916f-6b915897319d/
SH256 hash:
896a539c6cb6f313782dc5f1bc8c296abd6732b0907c573ddd12ab9f6a666eb1
MD5 hash:
d826f8c8edb9b4eea8ee18fa75572490
SHA1 hash:
6a2e9891c59211710615322d03763b6a4857d2c6
Link:
https://www.unpac.me/results/bf190c50-10dc-4c39-916f-6b915897319d/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/896a539c6cb6/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:azov_Dropped
Create hunting rule
Author:Potatech
Description:Azov Detection
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 896a539c6cb6f313782dc5f1bc8c296abd6732b0907c573ddd12ab9f6a666eb1

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2581830/
Cape
Cape
https://www.capesandbox.com/analysis/376790/

Comments


Avatar
zbet commented on 2023-03-23 07:45:58 UTC

url : hxxp://45.12.253.166/vvx/INV.exe