MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28ed87234b950b9e6ea1a9280bd35a1bf493e23d4587a50eaa2738a51ae1700c. 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 34 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28ed87234b950b9e6ea1a9280bd35a1bf493e23d4587a50eaa2738a51ae1700c
SHA3-384 hash: 96b54f8ce3250d2ca25952bc173b7b544913f7fc5d51392f39075205f3499680ab51d66a9ae4d7962011fb4ad821e559
SHA1 hash: f863e341ad08a5c54d0066053146806730bf87f9
MD5 hash: 1f5373df53c3e49e774fe4130ba2f42b
humanhash: colorado-sweet-speaker-nebraska
File name:file
Download: download sample
File size:4'499'456 bytes
First seen:2026-03-12 23:24:35 UTC
Last seen:2026-03-13 00:55:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6ed4f5f04d62b18d96b26d6db7c18840 (389 x SalatStealer, 78 x BitRAT, 42 x RedLineStealer)
ssdeep 98304:s93RbKqc2oN9QhXmFysa/pDrMxtgGIMLbT83ycIH2r1zi+h:URbfcqU5a/Z+tx7LbizIC1zFh
TLSH T1262633DDAD26613EE215907D7FD10F62B3E5E95C65C600903ADACAC2063A7E4C379CB2
TrID 63.5% (.EXE) UPX compressed Win64 Executable (70117/5/12)
24.5% (.EXE) UPX compressed Win32 Executable (27066/9/6)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.8% (.ICL) Windows Icons Library (generic) (2059/9)
1.8% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter Bitsight
Tags:dropped-by-amadey exe fbf543 UPX


Avatar
Bitsight
url: http://158.94.208.7/files/1591294058/VmVo8PF.exe
File size (compressed) :4'499'456 bytes
File size (de-compressed) :11'338'240 bytes
Format:win64/pe
Unpacked file: a5b13c538fa91054aeda4e67c17e8f3e0146d6ae51a6e2f72ce711e32c066eb9

Intelligence

File Origin
# of uploads :
14
# of downloads :
192
Origin country :
US US
Vendor Threat Intelligence
Malware configuration found for:
PEPacker
Details
PEPacker
a UPX version number and an unpacked binary
Link:
https://research.acce.ciphertechsolutions.com/results/e6cd73b2-14d5-4dcf-a526-4625e1cdcca5/
Malware family:
n/a
ID:
1
File name:
_28ed87234b950b9e6ea1a9280bd35a1bf493e23d4587a50eaa2738a51ae1700c.exe
Verdict:
Suspicious activity
Analysis date:
2026-03-12 23:25:56 UTC
Tags:
auto-startup upx golang
Link:
https://app.any.run/tasks/53ef6dbf-dd1b-42ee-8aac-baaad458c940

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/57261/
Detection(s):
SecuriteInfo.com.FileRepMalware.38837974.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69b34b699872190419bfc8fa
Tags:
autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm crypto obfuscated packed packed packed upx
Link:
https://www.filescan.io/uploads/69b34b602000fc76c3d827f6/reports/85c3548d-f488-45b8-bdc0-658fe313e196/overview
Verdict:
Malicious
Labled as:
Cerbu.Generic
Link:
https://www.hybrid-analysis.com/sample/28ed87234b950b9e6ea1a9280bd35a1bf493e23d4587a50eaa2738a51ae1700c
Verdict:
Malicious
File Type:
exe x64
Detections:
HEUR:Trojan-Spy.Win32.KeyLogger.gen Trojan-Spy.Win32.Xegumumune.sba Trojan-Spy.Win32.Clipper.sba Trojan-Downloader.Win32.Agent.sb PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/28ed87234b950b9e6ea1a9280bd35a1bf493e23d4587a50eaa2738a51ae1700c/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/6124c5c8-41f1-4518-94f4-69e30cf648e1
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/28ed87234b950b9e6ea1a9280bd35a1bf493e23d4587a50eaa2738a51ae1700c
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/28ed87234b950b9e6ea1a9280bd35a1bf493e23d4587a50eaa2738a51ae1700c/
Verdict:
Malicious
Threat:
Trojan-Spy.Win32.KeyLogger
Link:
https://tip.neiki.dev/file/28ed87234b950b9e6ea1a9280bd35a1bf493e23d4587a50eaa2738a51ae1700c
Threat name:
Win64.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-03-12 23:25:25 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fdwyoi2lsufz43vbveuaxu22dp2jhyr5iwd2kdvke44kkgxboaga._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
upx
Link:
https://tria.ge/reports/260312-3ef8lshs5q/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
UPX packed file
Drops startup file
Unpacked files
SH256 hash:
28ed87234b950b9e6ea1a9280bd35a1bf493e23d4587a50eaa2738a51ae1700c
MD5 hash:
1f5373df53c3e49e774fe4130ba2f42b
SHA1 hash:
f863e341ad08a5c54d0066053146806730bf87f9
Link:
https://www.unpac.me/results/f902ae77-4893-43eb-be0c-a007cd0b5b4a/
SH256 hash:
a5b13c538fa91054aeda4e67c17e8f3e0146d6ae51a6e2f72ce711e32c066eb9
MD5 hash:
227f0aac77cd8bf439bb885f946eb196
SHA1 hash:
62ee8973d7502890dfe9d7748d8e785fd3b22e45
Detections:
ReflectiveLoader
Create hunting rule
Link:
https://www.unpac.me/results/f902ae77-4893-43eb-be0c-a007cd0b5b4a/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/28ed87234b95/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.56
Link:
https://yomi.yoroi.company/submissions/28ed87234b950b9e6ea1a9280bd35a1bf493e23d4587a50eaa2738a51ae1700c

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
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__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
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:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:detect_powershell
Create hunting rule
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:Detect_Zoom_Invite_malware_RAT_C2
Create hunting rule
Author:daniyyell
Description:Detects Zoom Invite Call Leading to Malware Hosted in Telegram C2
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:Golang_Find_CSC846
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:ReflectiveLoader
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a unspecified hack tool, crack or malware using a reflective loader - no hard match - further investigation recommended
Reference:Internal Research
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Suspicious_Golang_Binary
Create hunting rule
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:suspicious_PEs
Create hunting rule
Author:txc
Description:This rule detected suspicious PE files, based on high entropy and low amount of imported DLLs. This behaviour indicates packed files or files, that hide their true intention.
Rule name:Suspicious_Process
Create hunting rule
Author:Security Research Team
Description:Suspicious process creation
Rule name:SUSP_Scheduled_Tasks_Create_From_Susp_Dir
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PowerShell Script that creates a Scheduled Task that runs from an suspicious directory
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:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:upx_largefile
Create hunting rule
Author:k3nr9
Rule name:WIN_WebSocket_Base64_C2_20250726
Create hunting rule
Author:dogsafetyforeverone
Description:Detects configuration strings used by malware to specify WebSocket command-and-control endpoints inside Base64-encoded data. It looks for prefixes such as '#ws://' or '#wss://' that were found in QuasarRAT configuration data.

File information

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

Web download

Executable exe 28ed87234b950b9e6ea1a9280bd35a1bf493e23d4587a50eaa2738a51ae1700c

(this sample)

Executable exe a5b13c538fa91054aeda4e67c17e8f3e0146d6ae51a6e2f72ce711e32c066eb9

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/57261/
  
URLhaus
https://urlhaus.abuse.ch/url/3794914/
  
Dropping
SHA256 a5b13c538fa91054aeda4e67c17e8f3e0146d6ae51a6e2f72ce711e32c066eb9
  
Dropping
MD5 227f0aac77cd8bf439bb885f946eb196

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