MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 631c708c5e8369a61239fde45e4b186bc375461cdf908ad82e4d7f817e8c2103. 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


ACRStealer


Vendor detections: 9


Intelligence 9 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 631c708c5e8369a61239fde45e4b186bc375461cdf908ad82e4d7f817e8c2103
SHA3-384 hash: f315d6b2084454eab7a1e8307aefea14512e637b0ef4053183abeb84bf4114f8ff7c1336ac12731232198476d4a62199
SHA1 hash: df46936419348f8e4e04450a6a70dca88c7aa6fb
MD5 hash: d044ad29247a70986c66292f2c493ed3
humanhash: monkey-glucose-washington-fourteen
File name:KMS Activator.exe
Download: download sample
Signature ACRStealer
Create hunting rule
File size:61'482'128 bytes
First seen:2026-01-29 19:13:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9841ebde0455176831e66c2c6381dfb0 (1 x ACRStealer)
ssdeep 1572864:NAcHYbSWZupHdDtv1CRHZlgAj7eTZ4WrnQorhJ9:9drlZtNyjgAeTbhj
TLSH T146D7332179C1C432E67702318968D7694679BC718B3285DBB3CC722E5F716C29B72BA3
TrID 61.4% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
15.5% (.EXE) Win64 Executable (generic) (10522/11/4)
7.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.6% (.EXE) Win32 Executable (generic) (4504/4/1)
2.9% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter aachum
Tags:83-217-209-230 ACRStealer exe


Avatar
iamaachum
https://ripdigital.com/ => https://www.dropbox.com/scl/fi/ucpsrguref4xu7xoo0l9t/KMSPicoApp_January_Update.rar

ACRStealer C2: 83.217.209.230

Intelligence

File Origin
# of uploads :
1
# of downloads :
99
Origin country :
ES ES
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/69a029c5-8c39-4545-8b30-2965e26783cb/
Malware family:
n/a
ID:
1
File name:
KMSActivator.exe
Verdict:
Suspicious activity
Analysis date:
2026-01-29 19:15:21 UTC
Tags:
java
Link:
https://app.any.run/tasks/811e5ac6-e38a-4067-a057-3a2c6760af7f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Clean
Score:
89.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=697bb1666fa3eed165305884
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:

Behaviour
Adding an access-denied ACE
Connecting to a non-recommended domain
Connection attempt
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug crypto evasive expired-cert explorer fingerprint fingerprint installer-heuristic invalid-signature lolbin microsoft_visual_cc packed signed soft-404
Link:
https://www.filescan.io/uploads/697bb19b930564ff3c7cde17/reports/3f8559e6-43d6-4aab-b2f6-b6d36512fc76/overview
Verdict:
Suspicious
Labled as:
Malware_50.7
Link:
https://www.hybrid-analysis.com/sample/631c708c5e8369a61239fde45e4b186bc375461cdf908ad82e4d7f817e8c2103
Verdict:
Clean
File Type:
exe x32
First seen:
2026-01-23T20:07:00Z UTC
Last seen:
2026-01-31T14:50:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/631c708c5e8369a61239fde45e4b186bc375461cdf908ad82e4d7f817e8c2103/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1860057
Signature
Allocates memory in foreign processes
Bypasses PowerShell execution policy
Creates a thread in another existing process (thread injection)
Found direct / indirect Syscall (likely to bypass EDR)
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Passes commands via pipe to a shell (likely to bypass AV or HIPS)
Sigma detected: PowerShell Base64 Encoded IEX Cmdlet
Sigma detected: Powershell Download and Execute IEX
Sigma detected: PowerShell Download and Execution Cradles
Sigma detected: Suspicious PowerShell Download and Execute Pattern
Sigma detected: Suspicious Script Execution From Temp Folder
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Unusual module load detection (module proxying)
Uses cmd line tools excessively to alter registry or file data
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1860057 Sample: KMS Activator.exe Startdate: 29/01/2026 Architecture: WINDOWS Score: 100 86 updatecheck310.activated.win 2->86 88 shed.dual-low.part-0013.t-0009.t-msedge.net 2->88 90 9 other IPs or domains 2->90 98 Malicious sample detected (through community Yara rule) 2->98 100 Sigma detected: Powershell Download and Execute IEX 2->100 102 Yara detected Powershell download and execute 2->102 104 8 other signatures 2->104 12 KMS Activator.exe 1 2->12         started        signatures3 process4 dnsIp5 92 83.217.209.230, 443, 49696, 49697 INF-NET-ASRU Russian Federation 12->92 114 Tries to harvest and steal browser information (history, passwords, etc) 12->114 116 Writes to foreign memory regions 12->116 118 Allocates memory in foreign processes 12->118 120 4 other signatures 12->120 16 powershell.exe 15 20 12->16         started        20 chrome.exe 12->20         started        22 chrome.exe 12->22         started        signatures6 process7 dnsIp8 80 89.34.219.162, 49709, 80 HBTELECOM-ASRO Romania 16->80 82 dev.azure.com 150.171.74.16, 443, 49711 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 16->82 84 massgravel.github.io 185.199.109.153, 443, 49710 FASTLYUS Netherlands 16->84 78 MAS_581c9efc-593b-...14-bfd230c6b9bd.cmd, ASCII 16->78 dropped 24 cmd.exe 1 16->24         started        26 conhost.exe 16->26         started        28 cmd.exe 1 16->28         started        file9 process10 process11 30 cmd.exe 1 24->30         started        33 conhost.exe 24->33         started        signatures12 122 Uses ping.exe to sleep 30->122 124 Uses cmd line tools excessively to alter registry or file data 30->124 126 Uses ping.exe to check the status of other devices and networks 30->126 128 Passes commands via pipe to a shell (likely to bypass AV or HIPS) 30->128 35 cmd.exe 30->35         started        38 cmd.exe 1 30->38         started        40 cmd.exe 1 30->40         started        42 19 other processes 30->42 process13 signatures14 106 Uses cmd line tools excessively to alter registry or file data 35->106 108 Passes commands via pipe to a shell (likely to bypass AV or HIPS) 35->108 44 cmd.exe 35->44         started        47 cmd.exe 35->47         started        49 cmd.exe 35->49         started        61 23 other processes 35->61 51 cmd.exe 1 38->51         started        53 cmd.exe 1 38->53         started        55 powershell.exe 7 40->55         started        57 mode.com 42->57         started        59 conhost.exe 42->59         started        process15 signatures16 110 Uses ping.exe to sleep 44->110 63 PING.EXE 44->63         started        66 PING.EXE 47->66         started        112 Uses cmd line tools excessively to alter registry or file data 49->112 68 reg.exe 49->68         started        70 cmd.exe 61->70         started        72 cmd.exe 61->72         started        74 powershell.exe 61->74         started        76 mode.com 61->76         started        process17 dnsIp18 94 updatecheck310.activated.win 172.67.219.75 CLOUDFLARENETUS United States 63->94 96 activated.win 104.21.24.156 CLOUDFLARENETUS United States 66->96
Score:
3%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/631c708c5e8369a61239fde45e4b186bc375461cdf908ad82e4d7f817e8c2103
Gathering data
Verdict:
Clean
Link:
https://tip.neiki.dev/file/631c708c5e8369a61239fde45e4b186bc375461cdf908ad82e4d7f817e8c2103
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-01-22 21:24:38 UTC
File Type:
PE (Exe)
Extracted files:
36986
AV detection:
5 of 23 (21.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mmohbdc6qnu2merz7xsf4syynpbxkrq436iivwbojv7yc7umeebq._file
Verdict:
malicious
Label(s):
unc_loader_053
Create hunting rule
Similar samples:
error
ACRStealer
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery execution spyware stealer
Link:
https://tria.ge/reports/260129-xxx17adv8h/
Behaviour
Modifies registry key
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Launches sc.exe
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Command and Scripting Interpreter: PowerShell
Contacts third-party web service commonly abused for C2
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Badlisted process makes network request
Malware Config
Dropper Extraction:
http://89.34.219.162/MAS.ps1
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/631c708c5e83/report/overview.html
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: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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:detect_powershell
Create hunting rule
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
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:HeavensGate
Create hunting rule
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Suspicious_Process
Create hunting rule
Author:Security Research Team
Description:Suspicious process creation
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:WIN_FileFix_Detection
Create hunting rule
Author:dogsafetyforeverone
Description:Detects FileFix social engineering technique that launches chained PowerShell and PHP commands from file explorer typed paths
Reference:FileFix social engineering with PowerShell and PHP commands

File information

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

Web download

ACRStealer

Executable exe 631c708c5e8369a61239fde45e4b186bc375461cdf908ad82e4d7f817e8c2103

(this sample)

  
Link
https://tria.ge/260129-xqlpksds7b/behavioral1
  
Delivery method
Distributed via web download

Comments