MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57ef7cd9fc68f75a5b99ec31b01118bc382ba22268ae6d927d669957ee9a7d8e. 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: 18


Intelligence 18 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 57ef7cd9fc68f75a5b99ec31b01118bc382ba22268ae6d927d669957ee9a7d8e
SHA3-384 hash: 7f9af9cca4189661370013bc4f9ffb70fbea1e9d28b07467b833dff671cfb836d5a0c883fc75b86d3c12c6a2f13ec145
SHA1 hash: fb250289c9822f570033f769d6acb47016296bd2
MD5 hash: c5dacb2c30dd00a09c69e7f024f1b232
humanhash: ceiling-bravo-oxygen-gee
File name:Rumde.exe
Download: download sample
Signature a310Logger
Create hunting rule
File size:499'712 bytes
First seen:2025-08-01 06:59:02 UTC
Last seen:2025-08-07 06:12:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ae20fa0c611df80e954cae6842303647 (1 x a310Logger)
ssdeep 12288:Yxkjv95jYKkJj6GmZUgH691RyuFBQgzm:Yxcv9hYb6nZB691REgS
TLSH T1C2B43A02EA10612EF592C9F0ADB5624768162E3A27DCEC8BF7405F4935716E3A8F531F
TrID 45.4% (.EXE) Win32 Executable Microsoft Visual Basic 6 (82067/2/8)
15.0% (.EXE) UPX compressed Win32 Executable (27066/9/6)
14.7% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
9.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
5.8% (.EXE) Win64 Executable (generic) (10522/11/4)
Magika pebin
dhash icon 1003873d31213f10 (142 x DarkCloud, 132 x GuLoader, 35 x a310Logger)
Reporter JAMESWT_WT
Tags:a310logger exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
31
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
strrat
Create hunting rule
ID:
1
File name:
SPAM.zip
Verdict:
Malicious activity
Analysis date:
2025-08-01 06:36:43 UTC
Tags:
arch-exec arch-scr java evasion strrat rat remote remcos stealer auto-sch-xml susp-powershell netreactor mpress tool darkcloud upx xor-url generic
Link:
https://app.any.run/tasks/503a1d28-2b7a-40c4-9c1a-aab35e6ea039

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
A310Logger
Create hunting rule
Link:
https://www.capesandbox.com/analysis/18241/
Detection(s):
PUA.Win.Packer.ProtectSharewar-2
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PUA.Win.Packer.ProtectSharewar-3
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Win.Malware.Dacic-10015827-0
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Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=688c65d8af3050dc8d3307e6
Tags:
infosteal dropper sharew hype
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Sending a custom TCP request
Stealing user critical data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm crypt darkcloud evasive hacktool obfuscated packed stealer visual_basic
Link:
https://www.filescan.io/uploads/688c65d2dc44c87d0779ec58/reports/7f8a3f76-ab48-49c2-99ec-99c0a305b249/overview
Verdict:
Malicious
Labled as:
Dacic.DF6F27E2.A.Generic
Link:
https://www.hybrid-analysis.com/sample/57ef7cd9fc68f75a5b99ec31b01118bc382ba22268ae6d927d669957ee9a7d8e
Malware family:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6e6b7adb-48ad-407f-a691-13afb93e643b
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/57ef7cd9fc68f75a5b99ec31b01118bc382ba22268ae6d927d669957ee9a7d8e
Verdict:
inconclusive
YARA:
6 match(es)
Tags:
Executable PE (Portable Executable) Visual Basic Visual Basic 6 Win 32 Exe x86
Link:
https://app.malva.re/file/c5dacb2c30dd00a09c69e7f024f1b232
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/57ef7cd9fc68f75a5b99ec31b01118bc382ba22268ae6d927d669957ee9a7d8e/
Threat name:
Win32.Trojan.DarkCloudStealer
Create hunting rule
Status:
Malicious
First seen:
2025-07-29 18:40:00 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k7xxzwp4nd3vuw4z5qy3aeiyxq4cxircncxg3et5m2mvp3u2pwha._file
Verdict:
malicious
Label(s):
darkcloudstealer
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Similar samples:
error
a310Logger
Result
Malware family:
darkcloud
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Score:
  10/10
Tags:
family:darkcloud defense_evasion discovery spyware stealer
Link:
https://tria.ge/reports/250801-hr9qgadq4v/
Behaviour
Kills process with taskkill
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Checks computer location settings
Executes dropped EXE
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Verdict:
Malicious
Tags:
stealer darkcloud_stealer trojan Win.Malware.Dacic-10015827-0
YARA:
Windows_Trojan_DarkCloud_9905abce MALWARE_Win_DarkCloud MAL_EXE_DarkCloud_Stealer_Nov_12 MALWARE_Win_A310Logger
Link:
https://app.threat.zone/submission/0641b749-9575-49a2-bede-f3f59bde9940
Unpacked files
SH256 hash:
57ef7cd9fc68f75a5b99ec31b01118bc382ba22268ae6d927d669957ee9a7d8e
MD5 hash:
c5dacb2c30dd00a09c69e7f024f1b232
SHA1 hash:
fb250289c9822f570033f769d6acb47016296bd2
Detections:
darkcloudstealer
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Link:
https://www.unpac.me/results/61aaeca2-8c21-48a2-827d-b6b240044ae4/
Malware family:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/57ef7cd9fc68/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
Link:
https://yomi.yoroi.company/submissions/57ef7cd9fc68f75a5b99ec31b01118bc382ba22268ae6d927d669957ee9a7d8e

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:FreddyBearDropper
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Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
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Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_CC_Regex
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing credit card regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MALWARE_Win_A310Logger
Create hunting rule
Author:ditekSHen
Description:Detects A310Logger
Rule name:MALWARE_Win_DarkCloud
Create hunting rule
Author:ditekSHen
Description:Detects DarkCloud infostealer
Rule name:ProtectSharewareV11eCompservCMS
Create hunting rule
Author:malware-lu
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vba
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 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)
Rule name:telegram_bot_api
Create hunting rule
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:Windows_Trojan_DarkCloud_9905abce
Create hunting rule
Author:Elastic Security
Rule name:win_stealer_generic
Create hunting rule
Author:Reedus0
Description:Rule for detecting generic stealer malware

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/18241/

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
VB_APILegacy Visual Basic API usedMSVBVM60.DLL::__vbaCopyBytes
MSVBVM60.DLL::__vbaSetSystemError
MSVBVM60.DLL::__vbaExitProc
MSVBVM60.DLL::__vbaObjSetAddref
MSVBVM60.DLL::EVENT_SINK_AddRef
MSVBVM60.DLL::__vbaPrintFile

Comments