MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9e00927a08ae4a41d4ab4c48f01d8cb457e03980cb15e1d6a5e9b8b1c92c4f0. 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



DeerStealer


Vendor detections: 14


Intelligence 14 IOCs YARA 15 File information Comments

SHA256 hash: f9e00927a08ae4a41d4ab4c48f01d8cb457e03980cb15e1d6a5e9b8b1c92c4f0
SHA3-384 hash: 709a4ef3464e778664e91861a3b2282fb504a90eeab5cce271c6fb7bc7766a8d24d3cd43de2bac4f23cb6fb271bc8cf9
SHA1 hash: 2f2961cfdf9e6ef87a2469ec801b3d71afeffb29
MD5 hash: 64ad84c21ac3a9a29859fb9af63b667b
humanhash: high-robert-hot-north
File name:OtoCzBd.exe
Download: download sample
Signature DeerStealer
File size:3'888'512 bytes
First seen:2025-08-10 13:01:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (92 x Rhadamanthys, 69 x Vidar, 41 x LummaStealer)
ssdeep 49152:lchRJiVO6DyZzpDJpZJW5DmfE3tlwTFh+lAnm+WuIhKTMb+wbaeLB75uXI9SH6h8:l9UtJ/SQTMDjCQg
TLSH T169065BF16485E0FAE04B4932ECF568566380B71417F42BB7478A521CDDFAEA7B9B02D0
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
dhash icon e8d4d471c8d4d4e8 (3 x LummaStealer, 2 x Rhadamanthys, 1 x Vidar)
Reporter abuse_ch
Tags:DeerStealer exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
43
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f9e00927a08ae4a41d4ab4c48f01d8cb457e03980cb15e1d6a5e9b8b1c92c4f0.exe
Verdict:
Malicious activity
Analysis date:
2025-08-10 05:05:02 UTC
Tags:
golang xor-url generic deerstealer stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
injection obfusc spoof virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm golang invalid-signature signed threat
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
72 / 100
Signature
Allocates memory in foreign processes
Injects a PE file into a foreign processes
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Writes to foreign memory regions
Behaviour
Behavior Graph:
Gathering data
Threat name:
Win64.Trojan.Tedy
Status:
Malicious
First seen:
2025-08-09 17:21:50 UTC
File Type:
PE+ (Exe)
Extracted files:
8
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
deerstealer
Score:
  10/10
Tags:
family:deerstealer stealer
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
DeerStealer
Deerstealer family
Detects DeerStealer
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
f9e00927a08ae4a41d4ab4c48f01d8cb457e03980cb15e1d6a5e9b8b1c92c4f0
MD5 hash:
64ad84c21ac3a9a29859fb9af63b667b
SHA1 hash:
2f2961cfdf9e6ef87a2469ec801b3d71afeffb29
Malware family:
DeerStealer
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: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:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
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:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Web download

DeerStealer

Executable exe f9e00927a08ae4a41d4ab4c48f01d8cb457e03980cb15e1d6a5e9b8b1c92c4f0

(this sample)

  
Delivery method
Distributed via web download

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
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryW
kernel32.dll::LoadLibraryExW
kernel32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WriteConsoleW
kernel32.dll::SetConsoleCtrlHandler
kernel32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create Fileskernel32.dll::GetSystemDirectoryA

Comments