MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 857e377f50ad012a0ba740ad9b13e9af2a0c48c49a6e988b7279a69b6524cd69. 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



DonutLoader


Vendor detections: 13


Intelligence 13 IOCs YARA 12 File information Comments

SHA256 hash: 857e377f50ad012a0ba740ad9b13e9af2a0c48c49a6e988b7279a69b6524cd69
SHA3-384 hash: e2376a937e676b37d3416467e70d13970301613fe758f7bb6de799315a71c1df12368db0e753fa24a8d1038624f2f23d
SHA1 hash: f904ba61ac9d4b8aaf6a83666dd119b9a9e921e9
MD5 hash: 78712a92a9c501daa73c25f7097f3e33
humanhash: ink-mobile-fourteen-stairway
File name:file
Download: download sample
Signature DonutLoader
File size:166'400 bytes
First seen:2025-12-06 16:30:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash efeb5d2e785b956a774e5a38aa6509fd (7 x DonutLoader)
ssdeep 3072:rDNnXHDSLs+FF+gXWrzDwFakFRixQO/iH7H/1JSA:rDNXHD+zdAqaY7HL
TLSH T1A1F36C5773A820F9E077C17989920A06E372B87657619BEF03A0477A1F376D09D3EB21
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter Bitsight
Tags:donutloader dropped-by-amadey exe fbf543


Avatar
Bitsight
url: http://178.16.55.189/files/2049738013/2MpnJZV.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
97
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_857e377f50ad012a0ba740ad9b13e9af2a0c48c49a6e988b7279a69b6524cd69.exe
Verdict:
No threats detected
Analysis date:
2025-12-06 16:38:45 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
emotet cobalt
Verdict:
Malicious
Labled as:
Win64/TrojanDownloader.Agent_AGen
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-06T13:28:00Z UTC
Last seen:
2025-12-07T17:47:00Z UTC
Hits:
~100
Detections:
Trojan.Win32.Inject.sb PDM:Trojan.Win32.Generic Trojan-PSW.Win32.StealC.v2 Trojan-PSW.Win64.StealC.sb Trojan-PSW.Win32.Coins.sb Trojan-Downloader.Agent.HTTP.C&C Trojan-PSW.Win64.StealC.k
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.DonutLoader
Status:
Malicious
First seen:
2025-12-06 16:31:23 UTC
File Type:
PE+ (Exe)
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
unc_loader_071
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:z2t6ou0x7akdc6q1b6 defense_evasion discovery execution spyware stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks installed software on the system
Hide Artifacts: Hidden Window
Checks computer location settings
Executes dropped EXE
Prevents Microsoft Defender from scanning certain paths by adding an exclusion.
Reads user/profile data of web browsers
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Enumerates VirtualBox registry keys
Stealc
Stealc family
Malware Config
C2 Extraction:
https://content-distribution-v2.pro
Unpacked files
SH256 hash:
857e377f50ad012a0ba740ad9b13e9af2a0c48c49a6e988b7279a69b6524cd69
MD5 hash:
78712a92a9c501daa73c25f7097f3e33
SHA1 hash:
f904ba61ac9d4b8aaf6a83666dd119b9a9e921e9
Malware family:
Stealc.v2
Verdict:
Malicious
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Heuristics_ChromeABE
Author:Still
Description:attempts to match instructions related to Chrome App-bound Encryption elevation service; possibly spotted amongst infostealers
Rule name:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:pe_detect_tls_callbacks
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:StealcV2
Author:Still
Description:attempts to match the instructions found in StealcV2

File information


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

Web download

DonutLoader

Executable exe 857e377f50ad012a0ba740ad9b13e9af2a0c48c49a6e988b7279a69b6524cd69

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download

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