MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a67b66d1de106cd7a8e67ffdcd90a86120e3ac0e86e386058de5bd4a44a6ab8e. 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: 17


Intelligence 17 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a67b66d1de106cd7a8e67ffdcd90a86120e3ac0e86e386058de5bd4a44a6ab8e
SHA3-384 hash: 5469428e19a8223fe3326aac16f40c395fcd5204b09985f4fb3265640b683608f2ab8332f6e49cab5945a44f4ab1b334
SHA1 hash: 806930d3829837de03d8d2f711c29bc630e2d5ad
MD5 hash: c51dfc49efea134e52de3e2b2d9cd145
humanhash: carbon-hamper-may-hamper
File name:OHL992--MX90.exe
Download: download sample
Signature a310Logger
Create hunting rule
File size:1'327'616 bytes
First seen:2025-07-10 10:12:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:WBsaWLgeX6o7Mvm3OUYUi0PWixQ/I4OkL3BLw6AkQCtK:wsaWLgYbUm3OUYUi0PWIQ/BlOkQCt
Threatray 165 similar samples on MalwareBazaar
TLSH T10355F110B7929D63C47D89F50A23D23097F64F0B6139D2D99CD6BCFBB5E2B482821993
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 cocaman
Tags:a310logger exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
29
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_12e2c5f3ef83bca517735a1746d53c3530336204a0ef273402aa46c915d1607e.rar
Verdict:
Malicious activity
Analysis date:
2025-07-10 10:18:12 UTC
Tags:
arch-exec stealer evasion auto-sch-xml netreactor upx darkcloud
Link:
https://app.any.run/tasks/bb132d93-ad05-47a9-a6b3-babe4c15c9be

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/13765/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=686f9241c9eb974737680490
Tags:
krypt spawn msil
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
DNS request
Connection attempt
Sending an HTTP GET request
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/686f925261f15fb42a380fc8/reports/84040dee-6235-477d-acdd-ba702ddc3a1b/overview
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/a67b66d1de106cd7a8e67ffdcd90a86120e3ac0e86e386058de5bd4a44a6ab8e
Malware family:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/66a82517-57d4-41d5-93b9-08009d204d17
Result
Threat name:
DarkCloud
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1732652
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1732652 Sample: OHL992--MX90.exe Startdate: 10/07/2025 Architecture: WINDOWS Score: 100 51 showip.net 2->51 63 Malicious sample detected (through community Yara rule) 2->63 65 Sigma detected: Scheduled temp file as task from temp location 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 6 other signatures 2->69 8 OHL992--MX90.exe 7 2->8         started        12 IznjBF.exe 5 2->12         started        14 svchost.exe 2->14         started        signatures3 process4 dnsIp5 41 C:\Users\user\AppData\Roaming\IznjBF.exe, PE32 8->41 dropped 43 C:\Users\user\...\IznjBF.exe:Zone.Identifier, ASCII 8->43 dropped 45 C:\Users\user\AppData\Local\...\tmp37E7.tmp, XML 8->45 dropped 47 C:\Users\user\...\OHL992--MX90.exe.log, ASCII 8->47 dropped 71 Uses schtasks.exe or at.exe to add and modify task schedules 8->71 73 Adds a directory exclusion to Windows Defender 8->73 17 OHL992--MX90.exe 76 8->17         started        21 powershell.exe 23 8->21         started        23 schtasks.exe 1 8->23         started        25 OHL992--MX90.exe 8->25         started        75 Multi AV Scanner detection for dropped file 12->75 77 Injects a PE file into a foreign processes 12->77 27 IznjBF.exe 68 12->27         started        29 schtasks.exe 1 12->29         started        31 IznjBF.exe 12->31         started        53 127.0.0.1 unknown unknown 14->53 file6 signatures7 process8 dnsIp9 49 showip.net 162.55.60.2, 49681, 49682, 80 ACPCA United States 17->49 55 Loading BitLocker PowerShell Module 21->55 33 WmiPrvSE.exe 21->33         started        35 conhost.exe 21->35         started        37 conhost.exe 23->37         started        57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->57 59 Tries to steal Mail credentials (via file / registry access) 27->59 61 Tries to harvest and steal browser information (history, passwords, etc) 27->61 39 conhost.exe 29->39         started        signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a67b66d1de106cd7a8e67ffdcd90a86120e3ac0e86e386058de5bd4a44a6ab8e
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.09 Win 32 Exe x86
Link:
https://app.malva.re/file/c51dfc49efea134e52de3e2b2d9cd145
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a67b66d1de106cd7a8e67ffdcd90a86120e3ac0e86e386058de5bd4a44a6ab8e/
Threat name:
Win32.Packed.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-07-09 21:26:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
48
AV detection:
24 of 38 (63.16%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uz5wnuo6cbwnpkhgp7643efimeqohlaoq3rymbmn4w6uurfgvoha._file
Verdict:
malicious
Label(s):
darkcloudstealer
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
9589cd6ddb6b20b15ef6b527a417b2c964dddcd3d79d38d7dbb40aec1c91d431
a310Logger
b558f2c30ac041288f779e4a788a4744d420802e25ea6fd21104352d0e2de29f
a310Logger
c4a1fa419e1fb2cb82a669adbf1e4c1236101a9733d405b762324aa4a4ea8281
a310Logger
def4d29cc639d0ceeaea2a2955da0e1dba5c72dc1058959340fa112830dc5c4b
a310Logger
+ 155 additional samples on MalwareBazaar
Result
Malware family:
darkcloud
Create hunting rule
Score:
  10/10
Tags:
family:darkcloud discovery execution persistence spyware stealer
Link:
https://tria.ge/reports/250710-l88fhs1l19/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
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
Suspicious use of SetThreadContext
Checks computer location settings
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
DarkCloud
Darkcloud family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/73d15e7b-1ca6-4d07-9bf3-fe4cc498067f
Unpacked files
SH256 hash:
14fa9bc725761573e45668cef6b755957fc9c0644de4b4d6670657c032fd68af
MD5 hash:
f3f432729dbcdcf0796d9622b318e58c
SHA1 hash:
7bcc9791f3a70debbab2356a83f5d9e682885d07
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/5402fff5-d122-4210-a3ed-351d1e9bd3ed/
SH256 hash:
0d8982f5045da5640fe18036e5522a913b348ee366121edbb05bf703704237ee
MD5 hash:
df66bdcffd2cf5daf3fb88e257bd76f0
SHA1 hash:
911938552c0083c6787cbbeece5e453cfed7a11d
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/5402fff5-d122-4210-a3ed-351d1e9bd3ed/
Parent samples :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 hash:
376d3ea4a4c491528e4217821256927bb859cf41400547a77c349805f531f4d2
MD5 hash:
19787b3a54b24a255d12ae9e3d14e2fa
SHA1 hash:
cc5c2156f73387fe6b5999d11e53a028bd62c877
Detections:
MALWARE_Win_A310Logger
Create hunting rule
Link:
https://www.unpac.me/results/5402fff5-d122-4210-a3ed-351d1e9bd3ed/
SH256 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
Link:
https://www.unpac.me/results/5402fff5-d122-4210-a3ed-351d1e9bd3ed/
SH256 hash:
a67b66d1de106cd7a8e67ffdcd90a86120e3ac0e86e386058de5bd4a44a6ab8e
MD5 hash:
c51dfc49efea134e52de3e2b2d9cd145
SHA1 hash:
806930d3829837de03d8d2f711c29bc630e2d5ad
Link:
https://www.unpac.me/results/5402fff5-d122-4210-a3ed-351d1e9bd3ed/
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/a67b66d1de106cd7a8e67ffdcd90a86120e3ac0e86e386058de5bd4a44a6ab8e

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:MALWARE_Win_A310Logger
Create hunting rule
Author:ditekSHen
Description:Detects A310Logger
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:Windows_Trojan_DarkCloud_9905abce
Create hunting rule
Author:Elastic Security

File information

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

Malspam

a310Logger

rar 12e2c5f3ef83bca517735a1746d53c3530336204a0ef273402aa46c915d1607e

a310Logger

Executable exe a67b66d1de106cd7a8e67ffdcd90a86120e3ac0e86e386058de5bd4a44a6ab8e

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 12e2c5f3ef83bca517735a1746d53c3530336204a0ef273402aa46c915d1607e
Cape
Cape
https://www.capesandbox.com/analysis/13765/
  
Dropped by
MD5 d2d5408177eeb1187fa3c4eda27021de

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

Comments