MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4ac9b09edecacb6a33ee0ef8c548ade0bfbeb9adb99352f0f35e54fbd40b700. 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: 11


Intelligence 11 IOCs YARA 26 File information Comments

SHA256 hash: a4ac9b09edecacb6a33ee0ef8c548ade0bfbeb9adb99352f0f35e54fbd40b700
SHA3-384 hash: c9a48ef76fdc33d1c43c375517724cc4c0ff0fb1eb8bef7d7c8478d280be6cf49077c7d20da128b040c4a73b76f61f74
SHA1 hash: 2afe1e44848fee9d025590af0f384f74036cf526
MD5 hash: f9192622665e2e43cfb788c6221618a8
humanhash: maine-california-tango-ten
File name:file
Download: download sample
File size:3'641'824 bytes
First seen:2025-11-16 17:14:04 UTC
Last seen:2025-11-16 19:06:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f0ea7b7844bbc5bfa9bb32efdcea957c (56 x Sliver, 17 x CobaltStrike, 12 x AsyncRAT)
ssdeep 49152:LEQVaI6t3dpiMfUgw9WCcy+BZgKHTD1Y7YGH:yP3dutV
TLSH T1B0F55C63FA8089A4D2D9E034F4A14D91B6A0B9540F3077D31E696ABDAD3EBC45D31F38
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter Bitsight
Tags:dropped-by-amadey exe fbf543


Avatar
Bitsight
url: http://178.16.55.189/files/8118663435/NzF44Lg.exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
94
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_a4ac9b09edecacb6a33ee0ef8c548ade0bfbeb9adb99352f0f35e54fbd40b700.exe
Verdict:
Malicious activity
Analysis date:
2025-11-16 17:18:06 UTC
Tags:
golang

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
injection obfusc crypt
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Behavior that indicates a threat
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Sending an HTTP POST request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm expired-cert golang invalid-signature rhadamanthys signed
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-11-16T14:24:00Z UTC
Last seen:
2025-11-17T10:20:00Z UTC
Hits:
~100
Detections:
Trojan.Win64.Agentb.sb Trojan.Win64.Agentb.lfar PDM:Trojan.Win32.Generic Trojan.Win64.Agent.sb
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Adware.RedCap
Status:
Malicious
First seen:
2025-11-16 17:14:17 UTC
File Type:
PE+ (Exe)
Extracted files:
16
AV detection:
14 of 24 (58.33%)
Threat level:
  1/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a4ac9b09edecacb6a33ee0ef8c548ade0bfbeb9adb99352f0f35e54fbd40b700
MD5 hash:
f9192622665e2e43cfb788c6221618a8
SHA1 hash:
2afe1e44848fee9d025590af0f384f74036cf526
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:Any_SU_Domain
Author:you
Description:Detect any reference to .su domains or subdomains
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:command_and_control
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Golang_Binary
Author:Andrew Morrow
Description:Detects binaries compiled with Go
Rule name:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:GoBinTest
Rule name:golang
Rule name:Golangmalware
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Rule name:HiveRansomware
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_Win_ETW_Bypass_2025_CYFARE
Author:CYFARE
Description:Windows ETW Bypass Detection Rule - 2025
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 a4ac9b09edecacb6a33ee0ef8c548ade0bfbeb9adb99352f0f35e54fbd40b700

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download

Comments