MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6d901c28cdd7de9753e4876a2f981ccddc9005095bf55b4503799dac8b7f0711. 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
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SHA256 hash: 6d901c28cdd7de9753e4876a2f981ccddc9005095bf55b4503799dac8b7f0711
SHA3-384 hash: 7c680ac2ef3ab42087279a4046ce030af5747907c7e1b514ff5bea27c11d42cafb73429d31fea648a34dd87e056ba240
SHA1 hash: 36aa1b533d413f0ce46dd31f7243ba7d98fa84d2
MD5 hash: d03cb7703051057ebb47ad6f0e668db4
humanhash: nevada-eighteen-virginia-oven
File name:Payment Advice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:912'384 bytes
First seen:2022-06-28 17:17:56 UTC
Last seen:2022-06-28 17:40:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:+AG6aYFg/HVcSCnbNoZJsyJmlfBo3kzfzegcoJTwhiPuD+e5:+BYFg/HevKJsKmljfKghJUiPuSe5
TLSH T16F15BE1457D88FA7E9AE073DE0926A1D1372F155A74BE70B0388BCF63D923A0DE54683
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)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
365
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/284014/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/62bb37ce3b9653b672d3c962/reports/5712b4c2-266a-47b8-a1a4-9db7a0f9c60d/overview
Result
Verdict:
UNKNOWN
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/ce4d3cd8-de7a-423d-93bb-b7ff84de1367
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1021417
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 653913 Sample: Payment Advice.exe Startdate: 28/06/2022 Architecture: WINDOWS Score: 100 35 www.nbxinhegc.com 2->35 37 www.mangguoav.xyz 2->37 41 Snort IDS alert for network traffic 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 12 other signatures 2->47 11 Payment Advice.exe 3 2->11         started        signatures3 process4 file5 33 C:\Users\user\...\Payment Advice.exe.log, ASCII 11->33 dropped 57 Injects a PE file into a foreign processes 11->57 15 Payment Advice.exe 11->15         started        18 Payment Advice.exe 11->18         started        20 Payment Advice.exe 11->20         started        signatures6 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 22 explorer.exe 15->22 injected process9 dnsIp10 39 www.notherdaylope.site 83.217.9.47, 49885, 80 ATLEX-ASRU Russian Federation 22->39 49 System process connects to network (likely due to code injection or exploit) 22->49 26 cmd.exe 22->26         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 26->51 53 Maps a DLL or memory area into another process 26->53 55 Tries to detect virtualization through RDTSC time measurements 26->55 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/6d901c28cdd7de9753e4876a2f981ccddc9005095bf55b4503799dac8b7f0711/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2022-06-28 16:39:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
15 of 26 (57.69%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nwibykgn27pjou7eq5vc7ga4zxojabijlp2vwridpgo2zc37a4iq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ir93 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220628-vt9jpscgg5/
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
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
021bff5b7497f63714d88ed6427f6cea7be0adddfbb70ae66ea080cc68be5b9f
MD5 hash:
5b7a6ab6df7c1f5150baf0fca6cd53f1
SHA1 hash:
d8db78fd1247abc3f6e75be029a07b0d4003c907
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
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FormBook
Create hunting rule
Link:
https://www.unpac.me/results/5cf9001a-13f0-4e22-b853-a69a1f063348/
Parent samples :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 hash:
5723367d7cd48b98eb468740ee30085b10bfa3d6a9774e36936e6026aa58af05
MD5 hash:
ccb0686ddfcd782f6adaab81f29a9348
SHA1 hash:
fb2138780442d54c9b367ae901c7150c1d21f087
Link:
https://www.unpac.me/results/5cf9001a-13f0-4e22-b853-a69a1f063348/
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
Link:
https://www.unpac.me/results/5cf9001a-13f0-4e22-b853-a69a1f063348/
SH256 hash:
05680c0f56e4a0b60f5b41b58db7ddac3408771fd337f1faa8df881b500ccc0e
MD5 hash:
cebe103a96790daa298e0d406abe7ede
SHA1 hash:
b676ed5df32557a165d95e9d58fbaf2be595be1f
Link:
https://www.unpac.me/results/5cf9001a-13f0-4e22-b853-a69a1f063348/
SH256 hash:
59dc97614662bf969953a336a84ccc47fca12f311e89986d7e5ef61f9ce902f2
MD5 hash:
ced5d4c8ca586fb092a838ccd2700f46
SHA1 hash:
b07749ead31a7febb83e207f0e192acd5c9b1ab8
Link:
https://www.unpac.me/results/5cf9001a-13f0-4e22-b853-a69a1f063348/
SH256 hash:
6d901c28cdd7de9753e4876a2f981ccddc9005095bf55b4503799dac8b7f0711
MD5 hash:
d03cb7703051057ebb47ad6f0e668db4
SHA1 hash:
36aa1b533d413f0ce46dd31f7243ba7d98fa84d2
Link:
https://www.unpac.me/results/5cf9001a-13f0-4e22-b853-a69a1f063348/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6d901c28cdd7/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/6d901c28cdd7de9753e4876a2f981ccddc9005095bf55b4503799dac8b7f0711

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.

Malspam

Formbook

Executable exe 6d901c28cdd7de9753e4876a2f981ccddc9005095bf55b4503799dac8b7f0711

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/284014/

Comments