MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8838278fff9a80d027951999d9f7c811ec2928afc39367f42f48f4411d1416b9. 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: 12


Intelligence 12 IOCs YARA 18 File information Comments

SHA256 hash: 8838278fff9a80d027951999d9f7c811ec2928afc39367f42f48f4411d1416b9
SHA3-384 hash: eb64c186b11d99db7ca59e5f550d344aa85fa94d8975879e07a3889b6955696f74a9ec570a4f998a40069f7045ba03b8
SHA1 hash: 4a221926b18e7070609861e709931e8f0c5f813f
MD5 hash: 0fc818c4d3150852451a60fef477b057
humanhash: crazy-sierra-maine-lactose
File name:37cIqAG.exe
Download: download sample
File size:96'768 bytes
First seen:2025-08-26 08:02:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 838daa497c64fed9e2aec62c82ef841d
ssdeep 1536:cNDHjbjphycIy9MUUOkl0Y5HKWLCb3BeRHJtg60PH5OWXHlebjHn52bux6K0XHMJ:0DXph7fUfl0EHPqgRHwdPZYHH52bV3MJ
TLSH T18493D04B62A411FCF016C07C43465B72AFB3F4355501AF6D2B74D730AE50AB69F2E92A
TrID 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
26.1% (.EXE) Win64 Executable (generic) (10522/11/4)
12.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.1% (.ICL) Windows Icons Library (generic) (2059/9)
5.0% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter abuse_ch
Tags:exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
50
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
37cIqAG.exe
Verdict:
Suspicious activity
Analysis date:
2025-08-26 08:09:11 UTC
Tags:
auto-reg

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
dropper
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a file in the %AppData% subdirectories
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Labled as:
Win64/CoinMiner_AGeneric.BD potentially unwanted application
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-08-25T10:34:00Z UTC
Last seen:
2025-08-25T10:34:00Z UTC
Hits:
~10
Malware family:
Microsoft Corporation
Verdict:
Unknown
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Execution from Suspicious Folder
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1765206 Sample: 37cIqAG.exe Startdate: 26/08/2025 Architecture: WINDOWS Score: 76 27 Antivirus / Scanner detection for submitted sample 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 Sigma detected: Execution from Suspicious Folder 2->31 6 37cIqAG.exe 1 3 2->6         started        9 msdefcore.exe 1 2->9         started        12 msdefcore.exe 1 2->12         started        process3 file4 21 C:\Users\user\AppData\...\msdefcore.exe, PE32+ 6->21 dropped 23 C:\Users\...\msdefcore.exe:Zone.Identifier, ASCII 6->23 dropped 14 WerFault.exe 19 16 6->14         started        33 Antivirus detection for dropped file 9->33 35 Multi AV Scanner detection for dropped file 9->35 17 WerFault.exe 4 21 9->17         started        19 WerFault.exe 21 12->19         started        signatures5 process6 file7 25 C:\ProgramData\Microsoft\...\Report.wer, Unicode 14->25 dropped
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Behaviour
Suspicious use of WriteProcessMemory
Adds Run key to start application
Executes dropped EXE
Unpacked files
SH256 hash:
8838278fff9a80d027951999d9f7c811ec2928afc39367f42f48f4411d1416b9
MD5 hash:
0fc818c4d3150852451a60fef477b057
SHA1 hash:
4a221926b18e7070609861e709931e8f0c5f813f
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_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Web download

Executable exe 8838278fff9a80d027951999d9f7c811ec2928afc39367f42f48f4411d1416b9

(this sample)

  
Delivery method
Distributed via web download

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