MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a858736d73d25af0a0bad25fcb658e10f4fb29aa4500fabb03da63a95006886f. 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: 13


Intelligence 13 IOCs YARA 20 File information Comments

SHA256 hash: a858736d73d25af0a0bad25fcb658e10f4fb29aa4500fabb03da63a95006886f
SHA3-384 hash: 2d3ea5b882e3e297099543f4cec23480fbd4e2a8515cec84082cab544d139966c35c9e0ac591587a9dc21de4edf38aff
SHA1 hash: 5fa10d8827aff9be3c709ba9bf9f7853d9cdc66c
MD5 hash: 7d6f96c1c9e15d082ebd7a136a44ac9b
humanhash: uncle-oregon-mexico-ohio
File name:file
Download: download sample
File size:22'715'392 bytes
First seen:2025-12-01 19:48:38 UTC
Last seen:2025-12-01 22:18:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 65cb0dfabea0271cbfbee44f029b33ca
ssdeep 393216:7c5Xv9EjfoBmESeJsv6tWKFdu9C8Ex+M/D/t9JUliUQgjC:7c5X1EjfoBtsM7FLUliUbC
TLSH T11B377D91E2C18062F675B0B1582E81BF69216F96472067EFB3D87B0B5931FE26D3720D
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter Bitsight
Tags:dropped-by-amadey exe fbf543


Avatar
Bitsight
url: http://178.16.55.189/files/fer/random.exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
88
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
a858736d73d25af0a0bad25fcb658e10f4fb29aa4500fabb03da63a95006886f.bin.exe
Verdict:
No threats detected
Analysis date:
2025-12-01 19:46:10 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
shellcode virus remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
Connection attempt
Sending an HTTP POST request
Launching the default Windows debugger (dwwin.exe)
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug base64 datper fingerprint keylogger microsoft_visual_cc packed remcos
Result
Gathering data
Verdict:
Malicious
File Type:
exe x32
Detections:
Trojan.Win32.Zenpak.sb
Verdict:
inconclusive
YARA:
9 match(es)
Tags:
Executable PE (Portable Executable) PE Memory-Mapped (Dump)
Gathering data
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:9999 discovery spyware stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Browser Information Discovery
Program crash
System Location Discovery: System Language Discovery
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Reads user/profile data of web browsers
Stealc
Stealc family
Malware Config
C2 Extraction:
http://147.124.215.118
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
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:Check_Debugger
Rule name:Check_OutputDebugStringA_iat
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:DebuggerCheck__RemoteAPI
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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:grakate_stealer_nov_2021
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:mht_inside_word
Author:dPhish
Description:Detect embedded mht files inside microsfot word.
Rule name:pe_detect_tls_callbacks
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:test_Malaysia
Author:rectifyq
Description:Detects file containing malaysia string
Rule name:without_attachments
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the no presence of any attachment
Reference:http://laboratorio.blogs.hispasec.com/
Rule name:with_urls
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the presence of an or several urls
Reference:http://laboratorio.blogs.hispasec.com/

File information


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

Web download

Executable exe a858736d73d25af0a0bad25fcb658e10f4fb29aa4500fabb03da63a95006886f

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download

Comments