MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 689b86b0fad706fb4f8423bc737b154c66f86cc00dcefdb2e9cf0f5783814c7c. 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


a310Logger


Vendor detections: 19


Intelligence 19 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 689b86b0fad706fb4f8423bc737b154c66f86cc00dcefdb2e9cf0f5783814c7c
SHA3-384 hash: 4614d1f5fa2c592fa0e6b361a8822d0723ab69c2665114f404fa6946b32a77ad3b36ab8c1a057868d7a14b6dc55242a1
SHA1 hash: 6af30dd61bced08ff23d16838900fa728040a0ee
MD5 hash: f1ea471e8a7d27062a2b5a440420932e
humanhash: beryllium-angel-sad-four
File name:specificationof rubber sheet for thermal power plant.bat
Download: download sample
Signature a310Logger
Create hunting rule
File size:785'920 bytes
First seen:2025-10-13 14:18:00 UTC
Last seen:2025-11-06 10:24:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:BsemO7xKqXqVOsEMPQWNA5BI8O/Sz14spBdlQeNpof7/JN174sLVeNIcgLwgcb:Bz31QTSBJfZ4spflNAJNT4Zgc
Threatray 518 similar samples on MalwareBazaar
TLSH T1F7F401883A56D713C964ABF119B0E27407BE6EADB860E31A4FD92DDF7672F011C40693
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter threatcat_ch
Tags:a310logger exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
155
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO-9000031259-1.r00
Verdict:
Malicious activity
Analysis date:
2025-10-13 10:52:45 UTC
Tags:
arch-exec telegram auto-sch-xml
Link:
https://app.any.run/tasks/e186a4d4-8c0a-45a1-b861-eb74f08f1d5e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DarkCloud
Create hunting rule
Link:
https://www.capesandbox.com/analysis/32555/
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68ed0a44f2ca2f143e42161d
Tags:
micro spawn shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated packed vbnet
Link:
https://www.filescan.io/uploads/68ed0a5171883144ef346745/reports/ff6aa317-8902-48ae-8e8f-ba9092f535a3/overview
Verdict:
Malicious
Labled as:
PasswordStealer.Genie8DN.Generic
Link:
https://www.hybrid-analysis.com/sample/689b86b0fad706fb4f8423bc737b154c66f86cc00dcefdb2e9cf0f5783814c7c
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-13T05:18:00Z UTC
Last seen:
2025-10-15T10:43:00Z UTC
Hits:
~1000
Detections:
Trojan-PSW.Win32.DarkCloud.sb Trojan.MSIL.Inject.sb UDS:DangerousObject.Multi.Generic Trojan-PSW.Win32.Stealer.sb Trojan-PSW.Win32.Stelega.sb Trojan.MSIL.Crypt.sb HEUR:Trojan.MSIL.Taskun.sb VHO:Trojan-PSW.Win32.ReaderDB.gen PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/689b86b0fad706fb4f8423bc737b154c66f86cc00dcefdb2e9cf0f5783814c7c/results?tab=lookup
Malware family:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/35118b52-cb85-4b5e-ab15-84013cfd5f81
Result
Threat name:
DarkCloud
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1794121
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected DarkCloud
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1794121 Sample: specificationof rubber shee... Startdate: 13/10/2025 Architecture: WINDOWS Score: 100 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 Sigma detected: Scheduled temp file as task from temp location 2->46 48 9 other signatures 2->48 7 specificationof rubber sheet for thermal power plant.bat.exe 7 2->7         started        11 OekbIrQTNq.exe 5 2->11         started        process3 file4 34 C:\Users\user\AppData\...\OekbIrQTNq.exe, PE32 7->34 dropped 36 C:\Users\...\OekbIrQTNq.exe:Zone.Identifier, ASCII 7->36 dropped 38 C:\Users\user\AppData\Local\...\tmpDC97.tmp, XML 7->38 dropped 40 specificationof ru...r plant.bat.exe.log, ASCII 7->40 dropped 50 Adds a directory exclusion to Windows Defender 7->50 52 Injects a PE file into a foreign processes 7->52 13 specificationof rubber sheet for thermal power plant.bat.exe 3 7->13         started        16 powershell.exe 23 7->16         started        18 schtasks.exe 1 7->18         started        54 Antivirus detection for dropped file 11->54 56 Multi AV Scanner detection for dropped file 11->56 20 OekbIrQTNq.exe 11->20         started        22 schtasks.exe 1 11->22         started        24 conhost.exe 11->24         started        signatures5 process6 signatures7 58 Loading BitLocker PowerShell Module 16->58 26 conhost.exe 16->26         started        28 WmiPrvSE.exe 16->28         started        30 conhost.exe 18->30         started        60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->60 62 Tries to steal Mail credentials (via file / registry access) 20->62 64 Tries to harvest and steal browser information (history, passwords, etc) 20->64 32 conhost.exe 22->32         started        process8
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/689b86b0fad706fb4f8423bc737b154c66f86cc00dcefdb2e9cf0f5783814c7c
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.48 Win 32 Exe x86
Link:
https://app.malva.re/file/f1ea471e8a7d27062a2b5a440420932e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/689b86b0fad706fb4f8423bc737b154c66f86cc00dcefdb2e9cf0f5783814c7c/
Verdict:
Malicious
Threat:
Family.DARKCLOUD
Link:
https://tip.neiki.dev/file/689b86b0fad706fb4f8423bc737b154c66f86cc00dcefdb2e9cf0f5783814c7c
Threat name:
ByteCode-MSIL.Infostealer.Genie8DN
Create hunting rule
Status:
Malicious
First seen:
2025-10-13 11:59:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ncnynmh224dpwt4eeo6hg6yvjrtpq3gabxhp3mxjz4hvpa4bjr6a._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
darkcloudstealer
Create hunting rule
Similar samples:
22d3d18fa3270b3fb4e70ad7109ac0aba259ca3c5d07542a3fdb9bafc1b88217
a310Logger
6676a335ff17a780fd508c01f7202bfcaaaf167ccf75c64ac19277883ba00956
a310Logger
689b86b0fad706fb4f8423bc737b154c66f86cc00dcefdb2e9cf0f5783814c7c
a310Logger
9c796528940d292bcadfbf30c92c24c55b834efb4ad7326c738280d10fc1137f
a310Logger
e552d35dc7e4fb521ae8032d3b4d18a1afcedf16e0d956452b554e960dd8c9af
a310Logger
error
a310Logger
+ 508 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution persistence spyware stealer
Link:
https://tria.ge/reports/251013-rmse3aet2e/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6c8cb5f3-c658-46e3-b112-5ac1bb91751d
Unpacked files
SH256 hash:
689b86b0fad706fb4f8423bc737b154c66f86cc00dcefdb2e9cf0f5783814c7c
MD5 hash:
f1ea471e8a7d27062a2b5a440420932e
SHA1 hash:
6af30dd61bced08ff23d16838900fa728040a0ee
Link:
https://www.unpac.me/results/45071880-361f-400a-9c96-3d5bafd0e44c/
SH256 hash:
b794ed0c0c7d4499d0a2ffff67eb5b92dba83f4be7964591e9edad2755176511
MD5 hash:
2a576318d07470206dd7c45f7d896078
SHA1 hash:
3096b2a5ccd98583949a9f57842d5547b50bbc29
Link:
https://www.unpac.me/results/45071880-361f-400a-9c96-3d5bafd0e44c/
SH256 hash:
ac11d098d18fe6ce4a40d1357292d56504cb01f5db9f9462914be2e7a6514a45
MD5 hash:
a64ed9c02d92ccbf6205ecdd718322ed
SHA1 hash:
44a920fcb09d874878f7ea57fc34ab17b5d4e74a
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/45071880-361f-400a-9c96-3d5bafd0e44c/
SH256 hash:
6676a335ff17a780fd508c01f7202bfcaaaf167ccf75c64ac19277883ba00956
MD5 hash:
cc1f55157b6e09be2d139027f93f56aa
SHA1 hash:
b8385771406ebed5f3eaa984bbdd7221badda456
Detections:
darkcloudstealer
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
MALWARE_Win_A310Logger
Create hunting rule
MALWARE_Win_DarkCloud
Create hunting rule
Link:
https://www.unpac.me/results/45071880-361f-400a-9c96-3d5bafd0e44c/
Parent samples :
6676a335ff17a780fd508c01f7202bfcaaaf167ccf75c64ac19277883ba00956
e552d35dc7e4fb521ae8032d3b4d18a1afcedf16e0d956452b554e960dd8c9af
63398cd9c19c396382bda7fc46048cd97ab864fb43ec7f3b47c71aafc2955d9a
689b86b0fad706fb4f8423bc737b154c66f86cc00dcefdb2e9cf0f5783814c7c
48f6ba012fcf37805682b63ceb87aadaf12d7120bd2c327107d7f52d8d4103fb
Malware family:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/689b86b0fad7/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/689b86b0fad706fb4f8423bc737b154c66f86cc00dcefdb2e9cf0f5783814c7c

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

a310Logger

Executable exe 689b86b0fad706fb4f8423bc737b154c66f86cc00dcefdb2e9cf0f5783814c7c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/32555/

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