MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bfc8846c40fd97b3a6f1420c715fa03a53726c5f583b1918e3aeb1348ca1623. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1bfc8846c40fd97b3a6f1420c715fa03a53726c5f583b1918e3aeb1348ca1623
SHA3-384 hash: 16f8640c554e63f06e1877b0f58ad8ecb36ec5852f9033c2b4e74d7e196a0f309d9d9bc89a27f1a56ebffa95e305b40a
SHA1 hash: 3a98cd09860079b1a2e9856e07ad80884374daae
MD5 hash: 5f3ffdcf4931a970a4959cb3ed9df393
humanhash: equal-florida-coffee-xray
File name:dll1.dll
Download: download sample
File size:140'800 bytes
First seen:2025-06-07 18:11:34 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 78da91c987c32de0f649ede000ce628a
ssdeep 3072:h4a8cjAVKpgQBrAGxVexI93cnqPJiurXGk+meS5:hNUKVrmCh3JiurN+meS5
TLSH T18DD3F1F66B98C512C410453889DB0F14BA24AC561F158EABFFB1B74E153F920FE1BE19
TrID 26.3% (.EXE) UPX compressed Win32 Executable (27066/9/6)
25.8% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
16.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika pebin
dhash icon 71b119dcce576333 (3'570 x Heodo, 203 x TrickBot, 19 x Gh0stRAT)
Reporter GDHJDSYDH1
Tags:agent dll dllHijack

Intelligence

File Origin
# of uploads :
1
# of downloads :
594
Origin country :
US US
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/7922/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.126.773.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=684481418bd5d68a12e65cf9
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
microsoft_visual_cc overlay packed packed packed packer_detected redcap upx
Link:
https://www.filescan.io/uploads/68448107fd02ed5e059d645d/reports/73bc8e31-f581-4553-af3a-555e5d02baca/overview
Verdict:
Malicious
Labled as:
Fragtor.Generic
Link:
https://www.hybrid-analysis.com/sample/1bfc8846c40fd97b3a6f1420c715fa03a53726c5f583b1918e3aeb1348ca1623
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/d2c27de4-50ff-48b7-8ca6-fbcbb37ed5fd
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1708992
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1708992 Sample: dll1.dll Startdate: 07/06/2025 Architecture: WINDOWS Score: 48 22 Multi AV Scanner detection for submitted file 2->22 8 loaddll32.exe 1 2->8         started        process3 process4 10 cmd.exe 1 8->10         started        12 conhost.exe 8->12         started        14 rundll32.exe 8->14         started        16 33 other processes 8->16 process5 18 rundll32.exe 10->18         started        process6 20 WerFault.exe 20 16 18->20         started       
Score:
91%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1bfc8846c40fd97b3a6f1420c715fa03a53726c5f583b1918e3aeb1348ca1623
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1bfc8846c40fd97b3a6f1420c715fa03a53726c5f583b1918e3aeb1348ca1623/
Threat name:
Win32.Downloader.Upatre
Create hunting rule
Status:
Malicious
First seen:
2025-05-27 08:23:00 UTC
File Type:
PE (Dll)
Extracted files:
25
AV detection:
17 of 24 (70.83%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dp6iqrweb7mxwotpcqqmofp2aostojwf6wb3demohlvrgsgkcyrq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery upx
Link:
https://tria.ge/reports/250607-wtb4wavsgs/
Behaviour
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
UPX packed file
Unpacked files
SH256 hash:
1bfc8846c40fd97b3a6f1420c715fa03a53726c5f583b1918e3aeb1348ca1623
MD5 hash:
5f3ffdcf4931a970a4959cb3ed9df393
SHA1 hash:
3a98cd09860079b1a2e9856e07ad80884374daae
Link:
https://www.unpac.me/results/b3900e87-50c4-4e3b-8253-a6f422fe448d/
SH256 hash:
6cc68555d79d4f2a23068a0847ea4f222df7d7acf02ed84095692d2a991b01f5
MD5 hash:
7c19fa201ed59741729aaa87b8f8c012
SHA1 hash:
c844c6727cd68a30ed40e32282704d738270732d
Link:
https://www.unpac.me/results/b3900e87-50c4-4e3b-8253-a6f422fe448d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1bfc8846c40fd97b3a6f1420c715fa03a53726c5f583b1918e3aeb1348ca1623

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
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:upx_largefile
Create hunting rule
Author:k3nr9

File information

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

Web download

ValleyRAT

Microsoft Software Installer (MSI) msi 090e306f68ff5d5c0acd3697c9e8fb8e45fc942645d6ff7aeacc4fea6174e968

DLL dll 1bfc8846c40fd97b3a6f1420c715fa03a53726c5f583b1918e3aeb1348ca1623

(this sample)

  
Dropped by
SHA256 090e306f68ff5d5c0acd3697c9e8fb8e45fc942645d6ff7aeacc4fea6174e968
  
Delivery method
Distributed via drive-by
Cape
Cape
https://www.capesandbox.com/analysis/7922/
  
Dropped by
MD5 a5541b69ae11ef1a4c030d3fd1f1a6b2

Comments