MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 639ea4c70910c0ca2a3aa6dbedff85e79edc438eaecef08408df687599b0ee33. 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: 7


Intelligence 7 IOCs YARA 6 File information Comments

SHA256 hash: 639ea4c70910c0ca2a3aa6dbedff85e79edc438eaecef08408df687599b0ee33
SHA3-384 hash: 480956f625325e648e505a4a83c5224223c4a8913ca90dc14cf02e0c9cbac066ae626fc768ffc7615634231c4e60c709
SHA1 hash: 758c6e0d83311cd272dab76d6277f3e978266495
MD5 hash: faedb4678ec17fbcd6eb070fa8db965f
humanhash: mississippi-butter-nine-emma
File name:file
Download: download sample
File size:62'416'345 bytes
First seen:2026-08-19 10:49:27 UTC
Last seen:2026-08-19 10:51:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 632f939005ccaa4d7643b0a302c14333
ssdeep 1572864:+X0ec20PiRK++r9N+0ZwXIDsiazCe9FxyAJBgMargsqRUyh:92/L+r9FZwXSsrG2Fxy8gfcQyh
TLSH T116D733133D46E03ED693F632C9A9F37135DF9F35187199AF1388063A2EA11C58B2466B
TrID 22.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
22.7% (.EXE) Win64 Executable (generic) (6522/11/2)
17.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.7% (.EXE) Win32 Executable (generic) (4504/4/1)
7.0% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon 848c5454baf47474 (2'466 x Adware.Neoreklami, 103 x RedLineStealer, 65 x N-able)
Reporter Bitsight
Tags:54e64e dropped-by-amadey exe


Avatar
Bitsight
url: http://91.92.242.236/files-129312398/files/file_b8afcc5c4d1ea78e.exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
168
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a window
DNS request
Connection attempt
Sending an HTTP GET request
Launching a process
Reading critical registry keys
Creating a file
Sending a custom TCP request
Deleting a recently created file
Unauthorized injection to a recently created process by asynchronous procedure call
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
adaptive-context adaptive-context anti-debug crypto crypto evasive expand expired-cert fingerprint installer installer installer-heuristic large-file lolbin microsoft_visual_cc overlay packed packed reconnaissance sfx short-lived-cert
Gathering data
Threat name:
Win32.Malware.Doina
Status:
Malicious
First seen:
2026-08-19 10:51:33 UTC
File Type:
PE (Exe)
Extracted files:
75
AV detection:
8 of 36 (22.22%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Behaviour
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Contacts third-party web service commonly abused for C2
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
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:Check_OutputDebugStringA_iat
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:telebot_framework
Author:vietdx.mb
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/

File information


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

Web download

Executable exe 639ea4c70910c0ca2a3aa6dbedff85e79edc438eaecef08408df687599b0ee33

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download

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