MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb866525850ae54290c45e8b03924e453052c5e1f0261467ff2ff35fa8ae7f9d. 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


Threat unknown


Vendor detections: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb866525850ae54290c45e8b03924e453052c5e1f0261467ff2ff35fa8ae7f9d
SHA3-384 hash: 6fc0887e13cab3835467fa2d9987c0b540f43f983e1cc36b7b3f55351d7bf48770485ca8da25d002a9edf342066c1503
SHA1 hash: d20485083ee3ff3f42d3cf702cb921d71fb4afc3
MD5 hash: 604e08bcf1284cd7fe5e36f8a5bde150
humanhash: beryllium-bulldog-twenty-neptune
File name:BTC PROMO CODE.exe
Download: download sample
File size:81'920 bytes
First seen:2021-12-25 11:16:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'636 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 1536:y6ww//w//nwKwKwKwKw/sclU8kkP9cPppv3s54ldQxM/TsLi+vQrpazPcXofYsxo:nlvO68d4kX6YsxzRB5JeqZ0
Threatray 133 similar samples on MalwareBazaar
TLSH T1EB83D016D7C6C672F9B407B438571672B2BC2F16B42B71AF609C7DDE389264809CBB60
File icon (PE):PE icon
dhash icon 62e68c18148ca0e0 (10 x CoinMiner, 7 x AgentTesla, 4 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
166
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BTC PROMO CODE.exe
Verdict:
Suspicious activity
Analysis date:
2021-12-25 11:19:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/906863dc-a10f-4aec-a033-a02b5f67751d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Renamer
Create hunting rule
Link:
https://www.capesandbox.com/analysis/216362/
Detection(s):
SecuriteInfo.com.Artemis604E08BCF128.7569.15031.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a window
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
60%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61c6fdb0ec6c6c14a9f19670/reports/002c71d8-9499-44c8-ae15-7850a8652fea/overview
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f32e522f-c18b-49cc-80eb-c64d10773da9
Result
Threat name:
Unknown
Detection:
malicious
Classification:
spre.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/912734
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Creates an undocumented autostart registry key
Drops executable to a common third party application directory
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 545212 Sample: BTC PROMO CODE.exe Startdate: 25/12/2021 Architecture: WINDOWS Score: 100 41 Multi AV Scanner detection for dropped file 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 .NET source code contains potential unpacker 2->45 47 4 other signatures 2->47 8 BTC PROMO CODE.exe 18 9 2->8         started        process3 dnsIp4 39 cdn.discordapp.com 162.159.133.233, 443, 49759 CLOUDFLARENETUS United States 8->39 23 C:\Users\user\AppData\Roaming\...\firefox.exe, PE32 8->23 dropped 25 C:\Users\user\AppData\...\BTC PROMO CODE.exe, PE32 8->25 dropped 27 C:\Users\user\AppData\...sbimtaxdtk.vbs, ASCII 8->27 dropped 29 2 other malicious files 8->29 dropped 49 Creates an undocumented autostart registry key 8->49 51 Writes to foreign memory regions 8->51 53 Allocates memory in foreign processes 8->53 55 2 other signatures 8->55 13 BTC PROMO CODE.exe 41 8->13         started        17 wscript.exe 1 8->17         started        file5 signatures6 process7 file8 31 C:\Windows\SysWOW64\7za.exe, PE32 13->31 dropped 33 C:\Users\user\...\vBTC PROMO CODE.exe (copy), PE32 13->33 dropped 35 C:\Users\user\Desktop\BTC PROMO CODE.exe, PE32 13->35 dropped 37 36 other files (28 malicious) 13->37 dropped 57 Infects executable files (exe, dll, sys, html) 13->57 59 Wscript starts Powershell (via cmd or directly) 17->59 19 powershell.exe 26 17->19         started        signatures9 process10 process11 21 conhost.exe 19->21         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fb866525850ae54290c45e8b03924e453052c5e1f0261467ff2ff35fa8ae7f9d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-25 09:56:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7odgkjmfblsufegel2fqhesoiuyffrpb6atbiz77f7zv7kfop6oq._file
Verdict:
malicious
Similar samples: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 123 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/211225-ndpq2agfej/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in Windows directory
Drops autorun.inf file
Suspicious use of SetThreadContext
Loads dropped DLL
Unpacked files
SH256 hash:
fb866525850ae54290c45e8b03924e453052c5e1f0261467ff2ff35fa8ae7f9d
MD5 hash:
604e08bcf1284cd7fe5e36f8a5bde150
SHA1 hash:
d20485083ee3ff3f42d3cf702cb921d71fb4afc3
Link:
https://www.unpac.me/results/f2efddc7-1f71-4e83-a050-1309ed158d86/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/fb866525850a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/fb866525850ae54290c45e8b03924e453052c5e1f0261467ff2ff35fa8ae7f9d

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:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information

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

Malspam

Executable exe fb866525850ae54290c45e8b03924e453052c5e1f0261467ff2ff35fa8ae7f9d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/216362/

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