MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f39a28e44b8cabd73afd612d5341fd13d297552475e9fabb39f4c9024ec445f2. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f39a28e44b8cabd73afd612d5341fd13d297552475e9fabb39f4c9024ec445f2
SHA3-384 hash: 543aed4cfa6563eacbaaee855c0866c50e0912bbd5a62d766451705ddbbf95972ce45337e00e5cd136891004ccb09f3b
SHA1 hash: 1aee2e437e39285dc28a9413153098c69c6e4664
MD5 hash: 1627f0f93d7f0bc5054ac47387dfd524
humanhash: california-lemon-utah-eight
File name:Setup.exe
Download: download sample
Signature ACRStealer
Create hunting rule
File size:4'801'536 bytes
First seen:2025-05-22 05:10:57 UTC
Last seen:2025-05-22 07:50:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash dae4b4577ddf3ee8b70909581099eedb (2 x ACRStealer)
ssdeep 98304:xysnFcCFwc+Z4CJv8wZLTevB4qqEvhBtpFLOAkGkzdnEVomFHKnPqD01p:lFd+Ok8wgvhBtpFLOyomFHKnPw
TLSH T1E9268C30398C4826D37A313089BF72B959AB7D7CD73D019722853A5D2BFF3896525E22
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon e8d49292cac6c4e8 (2 x ACRStealer)
Reporter abuse_ch
Tags:ACRStealer de-pumped exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
444
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Setup.exe
Verdict:
Malicious activity
Analysis date:
2025-05-22 05:11:46 UTC
Tags:
stealer auto generic loader golang
Link:
https://app.any.run/tasks/ba2a92aa-e523-43ed-94f3-30b30be535a4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=682eb27b2f280a98fb432cf9
Tags:
shellcode spawn hype
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Adding an access-denied ACE
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Forced shutdown of a browser
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context explorer fingerprint keylogger lolbin microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/682eb203fd02ed5e0581af34/reports/533eddcc-cea5-4023-a53a-a1060ca39fd8/overview
Verdict:
Suspicious
Labled as:
Trojan.GenHeur
Link:
https://www.hybrid-analysis.com/sample/f39a28e44b8cabd73afd612d5341fd13d297552475e9fabb39f4c9024ec445f2
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c5cd7e84-9453-4592-9578-6118f77a0f61
Result
Threat name:
ACR Stealer, CryptOne
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1696483
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Contains functionality to hide a thread from the debugger
Detected unpacking (changes PE section rights)
Drops PE files to the user root directory
Found API chain indicative of debugger detection
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Injects code into the Windows Explorer (explorer.exe)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
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
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal from password manager
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected ACR Stealer
Yara detected CryptOne packer
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1696483 Sample: Setup.exe Startdate: 22/05/2025 Architecture: WINDOWS Score: 100 74 data-seed-prebsc-1-s1.binance.org 2->74 76 a8a00b7a27dd309f6.awsglobalaccelerator.com 2->76 82 Suricata IDS alerts for network traffic 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 Antivirus detection for dropped file 2->86 88 6 other signatures 2->88 9 Setup.exe 2 2->9         started        signatures3 process4 dnsIp5 78 104.21.112.1, 443, 49721, 49722 CLOUDFLARENETUS United States 9->78 60 C:\Users\user\hjksfqc.exe, PE32 9->60 dropped 62 C:\Users\user\hjksfmj.exe, PE32 9->62 dropped 100 Found many strings related to Crypto-Wallets (likely being stolen) 9->100 102 Drops PE files to the user root directory 9->102 104 Tries to harvest and steal ftp login credentials 9->104 106 10 other signatures 9->106 14 hjksfqc.exe 8 9->14         started        18 hjksfmj.exe 2 9->18         started        20 chrome.exe 9->20         started        22 3 other processes 9->22 file6 signatures7 process8 file9 64 C:\Users\user\msvcr80.dll, PE32 14->64 dropped 66 C:\Users\user\msvcp80.dll, PE32 14->66 dropped 68 C:\Users\user68ahimicSvc64.exe, PE32 14->68 dropped 70 C:\Users\user\DivXDownloadManager.dll, PE32 14->70 dropped 112 Multi AV Scanner detection for dropped file 14->112 114 Drops PE files to the user root directory 14->114 24 NahimicSvc64.exe 14->24         started        72 C:\ProgramData\shark.exe, PE32 18->72 dropped 116 Antivirus detection for dropped file 18->116 118 Detected unpacking (changes PE section rights) 18->118 28 cmd.exe 18->28         started        42 7 other processes 18->42 30 WerFault.exe 16 20->30         started        32 WerFault.exe 16 20->32         started        34 WerFault.exe 16 22->34         started        36 WerFault.exe 16 22->36         started        38 WerFault.exe 16 22->38         started        40 WerFault.exe 16 22->40         started        signatures10 process11 file12 52 C:\Users\user\AppData\Local\...\FD11E97.tmp, PE32 24->52 dropped 54 C:\ProgramData\MBSDK\msvcr80.dll, PE32 24->54 dropped 56 C:\ProgramData\MBSDK\msvcp80.dll, PE32 24->56 dropped 58 2 other malicious files 24->58 dropped 90 Found API chain indicative of debugger detection 24->90 92 Injects code into the Windows Explorer (explorer.exe) 24->92 94 Modifies the context of a thread in another process (thread injection) 24->94 98 4 other signatures 24->98 44 explorer.exe 24->44         started        96 Uses schtasks.exe or at.exe to add and modify task schedules 28->96 48 conhost.exe 28->48         started        50 schtasks.exe 28->50         started        signatures13 process14 dnsIp15 80 a8a00b7a27dd309f6.awsglobalaccelerator.com 15.197.198.189, 49734, 49735, 8545 TANDEMUS United States 44->80 108 System process connects to network (likely due to code injection or exploit) 44->108 110 Switches to a custom stack to bypass stack traces 44->110 signatures16
Score:
17%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/f39a28e44b8cabd73afd612d5341fd13d297552475e9fabb39f4c9024ec445f2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f39a28e44b8cabd73afd612d5341fd13d297552475e9fabb39f4c9024ec445f2/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6oncrzclrsv5oox5mewvgqp5cpjjovjeoxu7vozz6teqetweixza._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250522-fvf68ayls8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Program crash
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Unpacked files
SH256 hash:
f39a28e44b8cabd73afd612d5341fd13d297552475e9fabb39f4c9024ec445f2
MD5 hash:
1627f0f93d7f0bc5054ac47387dfd524
SHA1 hash:
1aee2e437e39285dc28a9413153098c69c6e4664
Link:
https://www.unpac.me/results/1086e180-4b30-46f3-b3a4-9da68182a4be/
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/f39a28e44b8cabd73afd612d5341fd13d297552475e9fabb39f4c9024ec445f2

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:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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)

File information

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

Web download

ACRStealer

7z 65ac92de500ef04f38b93732c754ae5fa7a7f38a6567e8bd9d866944fdce9755

ACRStealer

Executable exe f39a28e44b8cabd73afd612d5341fd13d297552475e9fabb39f4c9024ec445f2

(this sample)

  
Dropped by
MD5 eb66a61042252e6d21157abe3f27f298
  
Dropped by
SHA256 65ac92de500ef04f38b93732c754ae5fa7a7f38a6567e8bd9d866944fdce9755

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
ole32.dll::CreateStreamOnHGlobal
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipDeleteGraphics
gdiplus.dll::GdipFillRectangleI
gdiplus.dll::GdipDeleteBrush
gdiplus.dll::GdipAlloc
MULTIMEDIA_APICan Play MultimediaWINMM.dll::PlaySoundW
WINMM.dll::timeSetEvent
RPC_APICan Execute Remote ProceduresRPCRT4.dll::RpcStringFreeW
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WININET.dll::InternetCloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetVolumeInformationW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
SHLWAPI.dll::PathRemoveFileSpecW
KERNEL32.dll::GetWindowsDirectoryW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegCreateKeyW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueW
ADVAPI32.dll::RegQueryValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::CreateMenu
ole32.dll::OleCreateMenuDescriptor
USER32.dll::EmptyClipboard
USER32.dll::FindWindowW
USER32.dll::OpenClipboard

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