MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bbec376bc531a18adb2d4edc8e1bd781d7936bb9df29753e033cb2d423da2655. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bbec376bc531a18adb2d4edc8e1bd781d7936bb9df29753e033cb2d423da2655
SHA3-384 hash: 945afa4eb97c27f094f8f60d26aad8239cd5447a5792e4e464581c3817d806caa77726f770730d9bca4bc338595e3a47
SHA1 hash: d3cd6c39370d0105a82a7681df78ae8d3ac1c512
MD5 hash: 5484c52fa632faa9370a288f06907472
humanhash: steak-oregon-comet-stairway
File name:JKBYGRII.msi
Download: download sample
Signature ACRStealer
Create hunting rule
File size:7'561'216 bytes
First seen:2025-12-23 21:37:51 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:WBZmzSk90p9WygHbdNh8NAUBqSxy2p+OEB6OikKmy:Whp9hgHBN2AUnxy2Gxy
TLSH T1637633091F414F92E26242F4461F5B6E8DBE8C77E295A53DE6CE38278D31EBBD1C0858
TrID 88.4% (.MST) Windows SDK Setup Transform script (61000/1/5)
11.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter smica83
Tags:ACRStealer msi

Intelligence

File Origin
# of uploads :
1
# of downloads :
47
Origin country :
HU HU
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/9a1bf759-5355-48c5-8acd-bbd568390d2d/
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/45944/
Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=694b0bc7038f10550b5531f1
Tags:
virus hype sage
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug evasive expired-cert fingerprint installer installer keylogger packed wix
Link:
https://www.filescan.io/uploads/694b0bc4e126b9ff438efda7/reports/0195fb03-7e89-43f6-94c6-1d2be8a095d1/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/bbec376bc531a18adb2d4edc8e1bd781d7936bb9df29753e033cb2d423da2655
Result
Verdict:
UNKNOWN
Link:
https://labs.inquest.net/dfi/sha256/bbec376bc531a18adb2d4edc8e1bd781d7936bb9df29753e033cb2d423da2655
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
File Type:
msi
First seen:
2025-12-23T17:43:00Z UTC
Last seen:
2025-12-24T16:43:00Z UTC
Hits:
~10
Detections:
VHO:Trojan.Win32.Loader.qxq UDS:DangerousObject.Multi.Generic
Link:
https://opentip.kaspersky.com/bbec376bc531a18adb2d4edc8e1bd781d7936bb9df29753e033cb2d423da2655/results?tab=lookup
Result
Threat name:
HijackLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1838525
Signature
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Unusual module load detection (module proxying)
Yara detected HijackLoader
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1838525 Sample: JKBYGRII.msi Startdate: 23/12/2025 Architecture: WINDOWS Score: 100 50 palimpsestjackson.com 2->50 52 trumpisperfect.com 2->52 58 Suricata IDS alerts for network traffic 2->58 60 Found malware configuration 2->60 62 Antivirus detection for URL or domain 2->62 64 4 other signatures 2->64 9 msiexec.exe 91 51 2->9         started        12 msiexec.exe 3 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Roaming\...\cdid3.dll, PE32 9->34 dropped 36 C:\Users\user\AppData\Roaming\...\WsBurn.dll, PE32 9->36 dropped 38 C:\Users\user\AppData\Roaming\...\WS_Log.dll, PE32 9->38 dropped 40 11 other malicious files 9->40 dropped 14 Ener-Navigator.exe 18 9->14         started        process6 file7 42 C:\ProgramData\msutility_v5\cdid3.dll, PE32 14->42 dropped 44 C:\ProgramData\msutility_v5\WsBurn.dll, PE32 14->44 dropped 46 C:\ProgramData\msutility_v5\WS_Log.dll, PE32 14->46 dropped 48 11 other files (8 malicious) 14->48 dropped 80 Switches to a custom stack to bypass stack traces 14->80 82 Found direct / indirect Syscall (likely to bypass EDR) 14->82 18 Ener-Navigator.exe 7 14->18         started        signatures8 process9 file10 28 C:\Users\user\AppData\Roaming\...\Crisp.exe, PE32 18->28 dropped 30 C:\Users\user\AppData\Local\...\86A68DF.tmp, PE32+ 18->30 dropped 32 C:\ProgramData\RiGateway.exe, PE32+ 18->32 dropped 66 Modifies the context of a thread in another process (thread injection) 18->66 68 Found hidden mapped module (file has been removed from disk) 18->68 70 Maps a DLL or memory area into another process 18->70 72 2 other signatures 18->72 22 RiGateway.exe 2 18->22         started        26 Crisp.exe 1 18->26         started        signatures11 process12 dnsIp13 54 palimpsestjackson.com 172.67.169.145, 49725, 80 CLOUDFLARENETUS United States 22->54 56 trumpisperfect.com 172.67.199.49, 443, 49726 CLOUDFLARENETUS United States 22->56 74 Unusual module load detection (module proxying) 22->74 76 Found direct / indirect Syscall (likely to bypass EDR) 22->76 78 Switches to a custom stack to bypass stack traces 26->78 signatures14
Score:
23%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/bbec376bc531a18adb2d4edc8e1bd781d7936bb9df29753e033cb2d423da2655
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
CAB:COMPRESSION:LZX Executable Office Document PDB Path PE (Portable Executable) PE File Layout PE Memory-Mapped (Dump)
Link:
https://app.malva.re/file/5484c52fa632faa9370a288f06907472
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bbec376bc531a18adb2d4edc8e1bd781d7936bb9df29753e033cb2d423da2655/
Verdict:
Malicious
Threat:
Family.ACRSTEALER
Link:
https://tip.neiki.dev/file/bbec376bc531a18adb2d4edc8e1bd781d7936bb9df29753e033cb2d423da2655
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xpwdo26fggqyvwznj3oi4g6xqhlzg25z34uxkpqdhsznii62ezkq._file
Verdict:
malicious
Label(s):
hijackloader
Create hunting rule
deerstealer
Create hunting rule
Similar samples:
error
ACRStealer
Gathering data
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/373631ae-77d7-48d5-a6c7-31bf93f112fe
Malware family:
IDATLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bbec376bc531/report/overview.html
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/bbec376bc531a18adb2d4edc8e1bd781d7936bb9df29753e033cb2d423da2655

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:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

File information

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

ACRStealer

Microsoft Software Installer (MSI) msi bbec376bc531a18adb2d4edc8e1bd781d7936bb9df29753e033cb2d423da2655

(this sample)

DeerStealer

Microsoft Software Installer (MSI) msi bfe06b2f18cdbc4d74b731a2fe52f66d3e4da9f9f0bbf9730b816b5418e5f12b

Cape
Cape
https://www.capesandbox.com/analysis/45944/
  
Dropping
SHA256 bfe06b2f18cdbc4d74b731a2fe52f66d3e4da9f9f0bbf9730b816b5418e5f12b
  
Dropping
MD5 6d3199fa4fe168391a99939ef5f8e560

Comments