MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89bcd9a2a0e9ff0b086bf9c973a3ef07f41d992793f77f359b1a3fce08c18ad4. 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: 14


Intelligence 14 IOCs YARA 15 File information Comments

SHA256 hash: 89bcd9a2a0e9ff0b086bf9c973a3ef07f41d992793f77f359b1a3fce08c18ad4
SHA3-384 hash: cc190094edd0b69ab8450ac17e1381a2daa5817a3753acc1db391e9caac9bcc8924530d8b92326739e0b0d60b3661d5e
SHA1 hash: 7ee76c8ab9c1362e8c8af7da4b822a14f05e1bf1
MD5 hash: b9c45a591e76542c29df77cd6d02daea
humanhash: whiskey-johnny-lima-uniform
File name:89bcd9a2a0e9ff0b086bf9c973a3ef07f41d992793f77f359b1a3fce08c18ad4
Download: download sample
Signature a310Logger
File size:761'344 bytes
First seen:2023-01-17 04:41:40 UTC
Last seen:2023-01-17 06:28:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:e8eejGIgzgwtqzsXCzJnBdyPRUF4umqpWGW57M:R5khSzRSA8VBM
Threatray 7 similar samples on MalwareBazaar
TLSH T17DF4DF056BDC1819FAB35F7926F570977C31F90A9A16CD5C31AC060C6B12EA1E8B4F3A
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 2758b97060b95b27 (1 x a310Logger)
Reporter Anonymous
Tags:a310logger exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
337
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
89bcd9a2a0e9ff0b086bf9c973a3ef07f41d992793f77f359b1a3fce08c18ad4
Verdict:
Malicious activity
Analysis date:
2023-01-17 04:44:06 UTC
Tags:
stealer evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Creating a file in the %temp% directory
Сreating synchronization primitives
DNS request
Reading critical registry keys
Sending a custom TCP request
Sending an HTTP GET request
Creating a window
Using the Windows Management Instrumentation requests
Moving a recently created file
Stealing user critical data
Query of malicious DNS domain
Unauthorized injection to a system process
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
coinminer packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
BlackGuard Stealer
Verdict:
Malicious
Result
Threat name:
RL STEALER, StormKitty
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Contains functionality to capture screen (.Net source)
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected RL STEALER
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 785508 Sample: K0XmTyabPq.exe Startdate: 17/01/2023 Architecture: WINDOWS Score: 100 31 Malicious sample detected (through community Yara rule) 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 Yara detected RL STEALER 2->35 37 8 other signatures 2->37 6 K0XmTyabPq.exe 1 2->6         started        process3 file4 17 C:\Users\user\AppData\...\K0XmTyabPq.exe.log, CSV 6->17 dropped 39 Writes to foreign memory regions 6->39 41 Allocates memory in foreign processes 6->41 43 Injects a PE file into a foreign processes 6->43 10 RegAsm.exe 15 142 6->10         started        15 RegAsm.exe 6->15         started        signatures5 process6 dnsIp7 25 api4.ipify.org 64.185.227.155, 443, 49706, 49708 WEBNXUS United States 10->25 27 ip-api.com 208.95.112.1, 49707, 80 TUT-ASUS United States 10->27 29 7 other IPs or domains 10->29 19 C:\Users\user\AppData\...\SNIPGPPREP.pdf, ASCII 10->19 dropped 21 C:\Users\user\AppData\...\LHEPQPGEWF.jpg, ASCII 10->21 dropped 23 C:\Users\user\AppData\...\LIJDSFKJZG.jpg, ASCII 10->23 dropped 45 Tries to steal Mail credentials (via file / registry access) 10->45 47 Tries to harvest and steal browser information (history, passwords, etc) 10->47 49 Tries to steal Crypto Currency Wallets 10->49 51 Modifies existing user documents (likely ransomware behavior) 10->51 53 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 15->53 55 May check the online IP address of the machine 15->55 file8 signatures9
Threat name:
ByteCode-MSIL.Infostealer.Stealgen
Status:
Malicious
First seen:
2023-01-16 09:28:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
stormkitty
Score:
  10/10
Tags:
family:stormkitty collection discovery spyware stealer
Behaviour
Checks processor information in registry
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Drops desktop.ini file(s)
Looks up external IP address via web service
Reads user/profile data of web browsers
StormKitty
StormKitty payload
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
270636edcef7c773e23bd206fdbf41507ae0d74ca4d2a675024e1bacd4ccbaf7
MD5 hash:
42ce3ef1be2f9fd8f4a9be01f3786d36
SHA1 hash:
fd33b247103616ca1fbcdcfe07f14be96de473d5
SH256 hash:
01547871630a723e66d24c76e2b93e8e4d0a9322ca732042ee3ee38495889413
MD5 hash:
c9b4341b19f83e6ba5db2e8d8159be66
SHA1 hash:
4de4ec1b5fdad8e7860d878d4e34ed796a204101
SH256 hash:
89bcd9a2a0e9ff0b086bf9c973a3ef07f41d992793f77f359b1a3fce08c18ad4
MD5 hash:
b9c45a591e76542c29df77cd6d02daea
SHA1 hash:
7ee76c8ab9c1362e8c8af7da4b822a14f05e1bf1
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:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_CC_Regex
Author:ditekSHen
Description:Detects executables referencing credit card regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_Discord_Regex
Author:ditekSHen
Description:Detects executables referencing Discord tokens regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Author:ditekSHen
Description:Detects executables containing bas64 encoded gzip files
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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_References_CryptoWallets
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_VPN
Author:ditekSHen
Description:Detects executables referencing many VPN software clients. Observed in infosteslers
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MALWARE_Win_A310Logger
Author:ditekSHen
Description:Detects A310Logger
Rule name:MALWARE_Win_StormKitty
Author:ditekSHen
Description:Detects StormKitty infostealer
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

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