MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 317a32dca186fa833db10e4e63dba4b858d2b4068995abd791189fbec66d9acc. 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: 11


Intelligence 11 IOCs YARA 8 File information Comments

SHA256 hash: 317a32dca186fa833db10e4e63dba4b858d2b4068995abd791189fbec66d9acc
SHA3-384 hash: 8a3dab03f643f18380ebcfee3e92722b135f543ac3a49fed50ff48bea6ec8bd07e8b3c50e7ec9d14f66c5ba008663ba4
SHA1 hash: 4576d755aef54ce4e395325e7aeefe00c360bc7d
MD5 hash: 78dd863ed8f325864c41e5e718322cf2
humanhash: xray-item-hamper-golf
File name:Letter_Outside_Orthodox_2.exe
Download: download sample
Signature DonutLoader
File size:16'075'270 bytes
First seen:2025-08-13 16:44:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 482eebfe826a0faf991483c492552de4 (2 x DonutLoader)
ssdeep 196608:ZjEY1vHE3ZV50B2mBaSHyxLr3lSEve3rop4RtnBIS2yPtqvAXW2XrNLckss0:pvHKt0pRStr1S538p43nl2Qlm2X5ckI
TLSH T1E9F63305252220B1D7EE53368EE15E0BCEA2B14647A573DB4215D4DA3EB73C3BEBB112
TrID 38.8% (.EXE) UPX compressed Win32 Executable (27066/9/6)
23.7% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
15.0% (.EXE) Win64 Executable (generic) (10522/11/4)
7.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.4% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon c8949c8de6b2aec6 (2 x Formbook, 2 x DonutLoader, 1 x Expiro)
Reporter aachum
Tags:call-kakao-com DeerStealer donutloader exe


Avatar
iamaachum
DeerStealer C2: lunared-cdn.asia

Intelligence


File Origin
# of uploads :
1
# of downloads :
44
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Letter_Outside_Orthodox_2.exe
Verdict:
Malicious activity
Analysis date:
2025-08-13 16:22:32 UTC
Tags:
stealer ultravnc rmm-tool

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
spoof
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Result
Threat name:
n/a
Detection:
malicious
Classification:
spyw.evad
Score:
92 / 100
Signature
Allocates memory in foreign processes
Creates a thread in another existing process (thread injection)
Found direct / indirect Syscall (likely to bypass EDR)
Found many strings related to Crypto-Wallets (likely being stolen)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Writes to foreign memory regions
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) Win 64 Exe x64
Threat name:
Win64.Malware.Heuristic
Status:
Malicious
First seen:
2025-08-13 16:22:34 UTC
File Type:
PE+ (Exe)
Extracted files:
19
AV detection:
9 of 24 (37.50%)
Threat level:
  2/5
Result
Malware family:
donutloader
Score:
  10/10
Tags:
family:deerstealer family:donutloader discovery loader spyware stealer
Behaviour
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Browser Information Discovery
Drops file in Windows directory
Reads user/profile data of web browsers
DeerStealer
Deerstealer family
Detects DeerStealer
Detects DonutLoader
DonutLoader
Donutloader family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
317a32dca186fa833db10e4e63dba4b858d2b4068995abd791189fbec66d9acc
MD5 hash:
78dd863ed8f325864c41e5e718322cf2
SHA1 hash:
4576d755aef54ce4e395325e7aeefe00c360bc7d
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:botnet_plaintext_c2
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:DebuggerCheck__API
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:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:ProgramLanguage_Rust
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Web download

DonutLoader

Executable exe 317a32dca186fa833db10e4e63dba4b858d2b4068995abd791189fbec66d9acc

(this sample)

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileMappingW
KERNEL32.dll::GetSystemDirectoryW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::FindWindowA

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