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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc1fc603c657d7bc2ba3b00671ec230bbab8e5b52a399985f4733cdf4af0abb5. 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


RevStealer


Vendor detections: 14


Intelligence 14 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc1fc603c657d7bc2ba3b00671ec230bbab8e5b52a399985f4733cdf4af0abb5
SHA3-384 hash: 7dd326c8efc85d97c415404dff98d61e9caba2aa034bebeb705fe2adf15bc500c2d18670edb881712dece6887499066b
SHA1 hash: 1e284df99066cc789cb2c75ac7bd234f0e6d7dc1
MD5 hash: dd4f467ec937e4c5b95d96b628cb7e02
humanhash: nineteen-minnesota-high-saturn
File name:bc1fc603c657d7bc2ba3b00671ec230bbab8e5b52a399985f4733cdf4af0abb5
Download: download sample
Signature RevStealer
Create hunting rule
File size:2'989'568 bytes
First seen:2026-11-09 07:57:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash f6ce08c0cf7798e8b58a99c4c1552f29 (110 x RevStealer)
ssdeep 49152:SxUow9dbusvUFAZwT9uD60zvpxiCpQMTd9rzjCsyrRTUOegATIgB6p1HMbK:iUohxbkDRzppBT7XtIRTUF30
TLSH T156D5236E7EFA0A34D836C7799D43E4BDB02E7B815EB04D4B36CC26104D628542D763BA
TrID 33.1% (.EXE) Win64 Executable (generic) (6522/11/2)
25.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
10.4% (.ICL) Windows Icons Library (generic) (2059/9)
10.3% (.EXE) OS/2 Executable (generic) (2029/13)
10.1% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter adrian__luca
Tags:exe RevStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
50
Origin country :
HU HU
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/da12c0d5-7d0b-4fc0-a3be-608753dedcdf/
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-11-09 13:01:48 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ebd641eb-33dc-43b3-92e9-3497bbf7d9c4

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/98191/
Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6af1c351ac89c90fc65a9045
Tags:
injection autorun shell sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating synchronization primitives
Creating a file
Launching a process
Creating a process with a hidden window
Creating a process from a recently created file
DNS request
Connection attempt
Sending a custom TCP request
Creating a window
Query of malicious DNS domain
Enabling autorun by creating a file
Deleting of the original file
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/bc1fc603c657d7bc2ba3b00671ec230bbab8e5b52a399985f4733cdf4af0abb5
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-10-08T00:40:00Z UTC
Last seen:
2026-10-21T13:25:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/bc1fc603c657d7bc2ba3b00671ec230bbab8e5b52a399985f4733cdf4af0abb5/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/86c8c5f4-94c7-40e4-8a66-4a3fceeeb716
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/2001334
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates / moves files in alternative data streams (ADS)
Deletes itself after installation
Found direct / indirect Syscall (likely to bypass EDR)
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file contains section with special chars
Performs DNS queries to domains with low reputation
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 2001334 Sample: MCwcf4TuQk.exe Startdate: 09/11/2026 Architecture: WINDOWS Score: 100 35 mail.spark-trail95.xyz 2->35 37 mail0.runport23.lat 2->37 39 api.telegra.ph 2->39 53 Antivirus detection for URL or domain 2->53 55 Antivirus / Scanner detection for submitted sample 2->55 57 Multi AV Scanner detection for submitted file 2->57 61 2 other signatures 2->61 9 MCwcf4TuQk.exe 11 2->9         started        13 ProUpdate7dd338.exe 9 2->13         started        signatures3 59 Performs DNS queries to domains with low reputation 35->59 process4 file5 31 C:\Users\user\AppData\...\ProUpdate7dd338.exe, PE32+ 9->31 dropped 33 C:\...\ProUpdate7dd338.exe:Zone.Identifier, ASCII 9->33 dropped 63 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 9->63 65 Creates / moves files in alternative data streams (ADS) 9->65 67 Uses schtasks.exe or at.exe to add and modify task schedules 9->67 69 Deletes itself after installation 9->69 15 ProUpdate7dd338.exe 9 9->15         started        19 schtasks.exe 1 9->19         started        71 Found direct / indirect Syscall (likely to bypass EDR) 13->71 21 schtasks.exe 1 13->21         started        signatures6 process7 dnsIp8 41 api.telegra.ph 149.154.164.13, 443, 49716, 49718 TELEGRAMVG Netherlands 15->41 43 mail.spark-trail95.xyz 104.21.78.216, 443, 49717, 49719 CLOUDFLARENET-CloudflareIncUS Canada 15->43 45 Antivirus detection for dropped file 15->45 47 Multi AV Scanner detection for dropped file 15->47 49 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 15->49 51 Found direct / indirect Syscall (likely to bypass EDR) 15->51 23 schtasks.exe 1 15->23         started        25 conhost.exe 19->25         started        27 conhost.exe 21->27         started        signatures9 process10 process11 29 conhost.exe 23->29         started       
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/dd4f467ec937e4c5b95d96b628cb7e02
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bc1fc603c657d7bc2ba3b00671ec230bbab8e5b52a399985f4733cdf4af0abb5/
Threat name:
Win64.Trojan.AdvML
Create hunting rule
Status:
Malicious
First seen:
2026-10-08 02:31:23 UTC
File Type:
PE+ (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xqp4ma6gk7l3yk5dwadhd3bdbo5lrznvfi4ztbpuom6n6sxqvo2q._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence
Link:
https://tria.ge/reports/261109-jt1q1svz2q/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Reads the TCP/IP host and domain name from the registry
Deletes itself
Executes dropped EXE
Malware Family:
n/a
Verdict:
Malicious
Tags:
loader rat
YARA:
n/a
Link:
https://app.threat.zone/submission/89ad953c-82dc-4756-bfa3-b80fc3814cfa
Malware Family:
sdum
Create hunting rule
Malicious:
True
Tags:
self-delete persistence debugger-check 64bit exec-delay peexe
Link:
https://intel.virussign.com/intelligence/file/bc1fc603c657d7bc2ba3b00671ec230bbab8e5b52a399985f4733cdf4af0abb5
Unpacked files
SH256 hash:
bc1fc603c657d7bc2ba3b00671ec230bbab8e5b52a399985f4733cdf4af0abb5
MD5 hash:
dd4f467ec937e4c5b95d96b628cb7e02
SHA1 hash:
1e284df99066cc789cb2c75ac7bd234f0e6d7dc1
Link:
https://www.unpac.me/results/d66cdbab-6535-4017-b368-462509624ff8/
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/bc1fc603c657d7bc2ba3b00671ec230bbab8e5b52a399985f4733cdf4af0abb5

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.

File information

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

Web download

RevStealer

Executable exe bc1fc603c657d7bc2ba3b00671ec230bbab8e5b52a399985f4733cdf4af0abb5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3916465/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/98191/

Comments