MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 218f58a212cb8f5061efee07b7a1c2b088c7cef3b81a6e92d8702af82687edf1. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 218f58a212cb8f5061efee07b7a1c2b088c7cef3b81a6e92d8702af82687edf1
SHA3-384 hash: 82de08359005043b0a3500d90361c97dc9286622d24a0dcbc33b5ae0c43c95e442ac945e5a80c5e0fa29384c334a9025
SHA1 hash: 5dca8fc8e5a6feffe48550ea594be892334ac536
MD5 hash: 5b1acef229bf56768ae57282e85b9f9c
humanhash: gee-alaska-connecticut-sink
File name:Farvetonerne.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:218'168 bytes
First seen:2023-03-27 12:27:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ea4e67a31ace1a72683a99b80cf37830 (70 x Formbook, 63 x GuLoader, 54 x Loki)
ssdeep 6144:pPX7iN4M2b4kKc2WHfbNHD+kj/GwHEBbMh9:IGaDEx+kxkB+9
Threatray 636 similar samples on MalwareBazaar
TLSH T1FB2412E275D0D4E3DBA34B310DFA2F0B6BB3AA1715D0070B67947E0ABDA3680691B547
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 fcf0d0dcccdcdcd4 (4 x GuLoader, 2 x Formbook)
Reporter malwarelabnet
Tags:exe FormBook GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-10-31T00:59:09Z
Valid to:2025-10-30T00:59:09Z
Serial number: 12fe179b066a2b5d67d3e1e5b2d647bee74513f2
Thumbprint Algorithm:SHA256
Thumbprint: f39be5f4538837f9300c9a4a07f00fdebe3dcd9a277708b10357789999ac54b2
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Farvetonerne.exe
Verdict:
Suspicious activity
Analysis date:
2023-03-27 12:29:26 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ba4ea7a7-e819-435a-b7a5-4e5e124a8953

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/377883/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Delayed reading of the file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/75202/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
buer overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/64218bd4a6b4db3649e8e8b4/reports/10bdbcc0-f35c-4d16-ad0f-7714fc81823d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/218f58a212cb8f5061efee07b7a1c2b088c7cef3b81a6e92d8702af82687edf1
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/1f02277a-088c-4bd8-a148-f8e80ef6eaec
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.rans.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1202670
Signature
Antivirus detection for URL or domain
Found potential ransomware demand text
Injects a PE file into a foreign processes
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
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 detect Any.run
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 835575 Sample: Farvetonerne.exe Startdate: 27/03/2023 Architecture: WINDOWS Score: 100 36 www.wlgzde.com 2->36 38 www.the-trolls.xyz 2->38 40 20 other IPs or domains 2->40 60 Snort IDS alert for network traffic 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Antivirus detection for URL or domain 2->64 66 5 other signatures 2->66 11 Farvetonerne.exe 8 30 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\nsvBDC6.tmp, data 11->30 dropped 32 C:\Users\user\...\Tildelingssaetninger.Rej, data 11->32 dropped 34 C:\Users\user\AppData\Local\...\System.dll, PE32 11->34 dropped 78 Tries to detect Any.run 11->78 15 Farvetonerne.exe 6 11->15         started        signatures6 process7 dnsIp8 48 googlehosted.l.googleusercontent.com 142.250.184.193, 443, 49815 GOOGLEUS United States 15->48 50 drive.google.com 142.250.185.110, 443, 49814 GOOGLEUS United States 15->50 52 Modifies the context of a thread in another process (thread injection) 15->52 54 Tries to detect Any.run 15->54 56 Maps a DLL or memory area into another process 15->56 58 2 other signatures 15->58 19 explorer.exe 3 1 15->19 injected signatures9 process10 dnsIp11 42 www.album0186.online 46.28.106.170, 49876, 49877, 49878 WEDOSCZ Czech Republic 19->42 44 flyshareinc.com 162.241.225.69, 49822, 49823, 49824 UNIFIEDLAYER-AS-1US United States 19->44 46 11 other IPs or domains 19->46 68 System process connects to network (likely due to code injection or exploit) 19->68 23 WWAHost.exe 13 19->23         started        signatures12 process13 signatures14 70 Tries to steal Mail credentials (via file / registry access) 23->70 72 Tries to harvest and steal browser information (history, passwords, etc) 23->72 74 Writes to foreign memory regions 23->74 76 3 other signatures 23->76 26 firefox.exe 23->26         started        process15 process16 28 WerFault.exe 4 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/218f58a212cb8f5061efee07b7a1c2b088c7cef3b81a6e92d8702af82687edf1/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-03-27 06:53:34 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eghvriqszohvaypp5yd3piocwcemptxtxang5ewyoavpqjuh5xyq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
cloudeye
Create hunting rule
Similar samples:
033d52b01807172f9946d2c20c009df5c1a6a65ea153d75cc6e670d2151f79cc
Formbook
08a71d0e7df84f80e709ddde665ca52a6f8b0251886920080967dbe4356c36cb
Formbook
43440434172d5730884fa5f0ae4f7ae73c4815e74618d18bc405d18dd325fed4
Formbook
4a85949b7ffe19e22e4191b55b225cb3ac8b59246785144f585006b94e9ba574
Formbook
4cdfd3ac195a3194d4a4ad72a3d3aeab0009f8b8bcdd73f7664ebeafd0023bae
Formbook
85a1f72cea6e68484aad8f6d170705a9af25bbbcd9727a965294b14712451362
Formbook
85b572a6060bf6d434ab978aa1447096c11f84bcd329d71364de8daf261a4660
Formbook
9270a381a5fc9e49c941546bc88d6c1683e15b2b1ffde51f60b23e8972a6b34d
Formbook
ebce15ad53b98d7aba7f7544ee947e88f58d696e22ca4bc5d15b2ded37b577ac
Formbook
f242e8c01b19e9d76e94575ad13bae62c64395566090f12f796bdc8656b13df4
Formbook
+ 626 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader discovery downloader
Link:
https://tria.ge/reports/230327-pnbsladd56/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Checks computer location settings
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
269d232712c86983336badb40b9e55e80052d8389ed095ebf9214964d43b6bb1
MD5 hash:
34442e1e0c2870341df55e1b7b3cccdc
SHA1 hash:
99b2fa21aead4b6ccd8ff2f6d3d3453a51d9c70c
Link:
https://www.unpac.me/results/4a0d91ef-ccbb-47bc-8541-a5ef1a82eba7/
SH256 hash:
218f58a212cb8f5061efee07b7a1c2b088c7cef3b81a6e92d8702af82687edf1
MD5 hash:
5b1acef229bf56768ae57282e85b9f9c
SHA1 hash:
5dca8fc8e5a6feffe48550ea594be892334ac536
Link:
https://www.unpac.me/results/4a0d91ef-ccbb-47bc-8541-a5ef1a82eba7/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/218f58a212cb/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
GuLoader
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/218f58a212cb8f5061efee07b7a1c2b088c7cef3b81a6e92d8702af82687edf1

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:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/377883/

Comments