MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d3a77efd9b454c113b91535987010bf93df630ef63e51fbe599321e2bc399024. 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: 8


Intelligence 8 IOCs YARA 21 File information Comments
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SHA256 hash: d3a77efd9b454c113b91535987010bf93df630ef63e51fbe599321e2bc399024
SHA3-384 hash: 2dea6307a405101b8286440992b5b40fa155a363d8b67e41c17976be1ccf26b30c53273e241bfab0c01a18b6f9ab82cb
SHA1 hash: 24046dcf126262b57647b9dc517d8630b9377322
MD5 hash: 91e1b049b8ca984a738f81a4a6a5f741
humanhash: lactose-steak-diet-east
File name:AttackClient.exe
Download: download sample
File size:3'621'376 bytes
First seen:2026-07-21 15:31:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1f3f8c789c301c932b0a390350ccbaa3
ssdeep 49152:ExWumOENO+A/iV+eSAbfJdgwocjythgW02RDXMWtyEal/BrP37mRM3Sb9cje6VWV:OG3VlSm4woAytR0sD7tbcBrP6ME9UZs
TLSH T14CF512476AC300B1D46ACF30AC36A917E9ADFF8C8418D129278577AC617772E859FBC4
TrID 45.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.3% (.EXE) OS/2 Executable (generic) (2029/13)
18.0% (.EXE) Generic Win/DOS Executable (2002/3)
18.0% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
dhash icon f8f0f2f869c4d2e0
Reporter Anonymous
Tags:exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
190
Origin country :
RU RU
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/75559/
Detection(s):
SecuriteInfo.com.Trojan.Siggen33.1330.98442715.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a5f90e385479d70bfb795db
Tags:
ransomware phishing xtreme sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the Program Files subdirectories
Сreating synchronization primitives
Moving a file to the Program Files subdirectory
Creating a service
Launching a service
Creating a file
Searching for synchronization primitives
Creating a window
Launching a process
Sending an HTTP GET request
Deleting a recently created file
Adding an access-denied ACE
Restart of the analyzed sample
Enabling autorun for a service
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug crypto packed
Link:
https://www.filescan.io/uploads/6a5f90dc125eb339d5f31bdc/reports/1754f571-0295-41ac-ac81-0f439043df1f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/d3a77efd9b454c113b91535987010bf93df630ef63e51fbe599321e2bc399024
Verdict:
Clean
File Type:
exe x64
First seen:
2026-07-21T11:40:00Z UTC
Last seen:
2026-07-21T15:10:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/d3a77efd9b454c113b91535987010bf93df630ef63e51fbe599321e2bc399024/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/17a41ada-7fde-491b-8cec-d3bab006ab39
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d3a77efd9b454c113b91535987010bf93df630ef63e51fbe599321e2bc399024
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/91e1b049b8ca984a738f81a4a6a5f741
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d3a77efd9b454c113b91535987010bf93df630ef63e51fbe599321e2bc399024/
Threat name:
Win64.Trojan.Wacatac
Create hunting rule
Status:
Suspicious
First seen:
2026-07-21 15:31:50 UTC
File Type:
PE+ (Exe)
Extracted files:
7
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2otx57m3ivgbco4rknmyoail7e67mmhpmpsr7pszsmq6fpbzsasa._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
defense_evasion discovery trojan
Link:
https://tria.ge/reports/260721-sydaysdq6v/
Behaviour
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks whether UAC is enabled
Looks up external IP address via web service
Network Share Discovery
Unpacked files
SH256 hash:
d3a77efd9b454c113b91535987010bf93df630ef63e51fbe599321e2bc399024
MD5 hash:
91e1b049b8ca984a738f81a4a6a5f741
SHA1 hash:
24046dcf126262b57647b9dc517d8630b9377322
Link:
https://www.unpac.me/results/624a4367-4fc5-4fdb-9a0f-a4b366b9c524/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.14
Link:
https://yomi.yoroi.company/submissions/d3a77efd9b454c113b91535987010bf93df630ef63e51fbe599321e2bc399024

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:command_and_control
Create hunting rule
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
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:html_auto_download_b64
Create hunting rule
Author:Tdawg
Description:html auto download
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:ProgramLanguage_Rust
Create hunting rule
Author:albertzsigovits
Description:Application written in Rust programming language
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Sus_All_Windows_PE_Malware
Create hunting rule
Author:DiegoAnalytics
Description:Detects Windows PE malware of all types, avoids non-executables like .html
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:test_Malaysia
Create hunting rule
Author:rectifyq
Description:Detects file containing malaysia string
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
Rule name:upxHook
Create hunting rule
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/75559/

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