MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca92353954eb428f99d73b11f26650f1ed59df39a99a04d45552c8b9ba4e1459. 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: ca92353954eb428f99d73b11f26650f1ed59df39a99a04d45552c8b9ba4e1459
SHA3-384 hash: 3ea9ed1ccadaf2719f1da4010ae352a1e507ded47aa9d48ce16907fcfc8f136f285a504748653f40fad1f877d6dcff91
SHA1 hash: 2ab408f06f37e705a974f7d31e6f7dca3e8b5a21
MD5 hash: 6e85179f93a3a1b1b98e29f61c04cd00
humanhash: chicken-fruit-pluto-south
File name:6e85179f93a3a1b1b98e29f61c04cd00
Download: download sample
Signature Formbook
Create hunting rule
File size:248'831 bytes
First seen:2023-03-03 17:45:29 UTC
Last seen:2023-03-03 19:28:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:TYa6Zzl33NJppDAw+wuJ5vqkAdjTFmaUWxhG6+UsviC:TYTpNJppcwcJ5ykXaz0jv
Threatray 2'293 similar samples on MalwareBazaar
TLSH T12A341201A3E4D473D8F39B300E795737ACA2AA23546463AF531027793A33256DE1F7A6
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 96e8e0d4d4ccb2a4 (9 x Formbook, 6 x AveMariaRAT, 4 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
ECOTEC PRICELIST MARCH 2023.doc
Verdict:
Malicious activity
Analysis date:
2023-03-03 16:53:20 UTC
Tags:
exploit cve-2017-11882 loader formbook xloader trojan stealer
Link:
https://app.any.run/tasks/8fba8235-5666-404e-86fe-6f40a1e83bcc

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/371507/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.17775.30017.15059.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
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook nemesis overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6402325cbbedb8176ff27c91/reports/5ef38d7a-54ca-4ea7-8dce-cf62c119d79d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/ca92353954eb428f99d73b11f26650f1ed59df39a99a04d45552c8b9ba4e1459
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/09ad606e-ddac-49dc-acf7-a633624bc2e3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1186780
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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 detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 819656 Sample: s0ykrDTk89.exe Startdate: 03/03/2023 Architecture: WINDOWS Score: 100 36 www.girlsprincesstoys.com 2->36 52 Snort IDS alert for network traffic 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 58 5 other signatures 2->58 12 s0ykrDTk89.exe 19 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\...\wxrcqxb.exe, PE32 12->34 dropped 15 wxrcqxb.exe 1 12->15         started        process6 signatures7 68 Multi AV Scanner detection for dropped file 15->68 70 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->70 72 Maps a DLL or memory area into another process 15->72 74 Tries to detect virtualization through RDTSC time measurements 15->74 18 wxrcqxb.exe 15->18         started        21 conhost.exe 15->21         started        process8 signatures9 44 Modifies the context of a thread in another process (thread injection) 18->44 46 Maps a DLL or memory area into another process 18->46 48 Sample uses process hollowing technique 18->48 50 Queues an APC in another process (thread injection) 18->50 23 explorer.exe 3 6 18->23 injected process10 dnsIp11 38 gtm-sg-4hr306h0c1a.gtm-i1d9.com 154.197.13.87, 49700, 80 LITSSCL-AS-APLaoInternationalTechnologyServiceSoleCo Seychelles 23->38 40 www.acostaballesteros.com 5.79.79.209, 49704, 80 LEASEWEB-NL-AMS-01NetherlandsNL Netherlands 23->40 42 13 other IPs or domains 23->42 60 System process connects to network (likely due to code injection or exploit) 23->60 27 rundll32.exe 23->27         started        signatures12 process13 signatures14 62 Modifies the context of a thread in another process (thread injection) 27->62 64 Maps a DLL or memory area into another process 27->64 66 Tries to detect virtualization through RDTSC time measurements 27->66 30 cmd.exe 1 27->30         started        process15 process16 32 conhost.exe 30->32         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ca92353954eb428f99d73b11f26650f1ed59df39a99a04d45552c8b9ba4e1459/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-03-03 17:27:21 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
22 of 25 (88.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zkjdkoku5nbi7goxhmi7ezsq6hwvtxzzvgnajvcvkleltosocrmq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
31d4fa7c04a77660000eeecf8f66e38d6108f460ea7b539744d7bf9216266a50
Formbook
3bec2ad5a6dbafa13278a3020a14eaaae64449a527727fb701e7f5215141b4a9
Formbook
59d3d0d82273ee3a78483d3508a8247593a06826f8531de8ca072718e6609598
Formbook
5a2e7eb559e1d587d537ff0033d00fb27f7e17bf0c2a5db6bb3842b9e2fa9972
Formbook
615349f7344705307b2316dee1177a887390195e85d692069fb2c74def5a4ece
Formbook
b71909f3cd1d9b763d573a9c76b36fcb98e57c9eba7b54a35fbe5ad154efc52e
Formbook
d4ab87e55002c6b6e0aafcf9365ab9017946e998371e43b15a50bae8475b947c
Formbook
dab182eded2109cec4a816aa101c68a8d91777fa896afe0c73ca5ba0da98978a
Formbook
dd7311a0428c78cec1db4fbca409094ab6694db68c03aa878f9f1872ecc6e1db
Formbook
+ 2'283 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:lt12 rat spyware stealer trojan
Link:
https://tria.ge/reports/230303-wb98ysag39/
Behaviour
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
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
9a82692e04ff019e55d1ca925381328e4738910ac19794e6ab631da8e1e6b163
MD5 hash:
bf831ad87fede05150bd0121eb718aa9
SHA1 hash:
d218720ae87461ce16a34d13730c5b80f4aefe63
Link:
https://www.unpac.me/results/0feb8917-24d9-451d-bd20-8bff7eb0e1b2/
SH256 hash:
ca92353954eb428f99d73b11f26650f1ed59df39a99a04d45552c8b9ba4e1459
MD5 hash:
6e85179f93a3a1b1b98e29f61c04cd00
SHA1 hash:
2ab408f06f37e705a974f7d31e6f7dca3e8b5a21
Link:
https://www.unpac.me/results/0feb8917-24d9-451d-bd20-8bff7eb0e1b2/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ca92353954eb/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ca92353954eb428f99d73b11f26650f1ed59df39a99a04d45552c8b9ba4e1459

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 ca92353954eb428f99d73b11f26650f1ed59df39a99a04d45552c8b9ba4e1459

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2556881/
Cape
Cape
https://www.capesandbox.com/analysis/371507/

Comments


Avatar
zbet commented on 2023-03-03 17:45:31 UTC

url : hxxp://truongnoivu-phqn.edu.vn/media/warino2.1.exe