MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a63a204abf0c8437b694e8b31e048a1c25bdebfae0cfda7e6e2bf469f74be1c. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: 2a63a204abf0c8437b694e8b31e048a1c25bdebfae0cfda7e6e2bf469f74be1c
SHA3-384 hash: 17257974487e0dd959dfcb146b1550e99b7beb14645968cd02667e7136538686310c707bf329d45fbd72408e213268cc
SHA1 hash: ba9bf171acc6c2d7e897dc0a14515ff8e410d14a
MD5 hash: 99bbaa54e597de53a3db66bb29fdbbc9
humanhash: enemy-violet-ack-purple
File name:SecuriteInfo.com.Trojan.Garf.Gen.7.21386.6564
Download: download sample
Signature a310Logger
File size:574'919 bytes
First seen:2022-12-09 03:32:27 UTC
Last seen:2022-12-12 02:27:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 97318da386948415d08cef4a9006d669 (71 x Formbook, 35 x SnakeKeylogger, 26 x AgentTesla)
ssdeep 12288:2i3ArxsUjZytOBwImCTSuXz5S/FoDrXcGVf8kC9+Q1:2wArxsUZcORVpX9SMXPVf83
TLSH T1E7C423761380EB3FE1F262760FF51AE69B79D5104437224B23B08F5F9A280C4ED265DA
TrID 92.7% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter SecuriteInfoCom
Tags:a310logger exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Creating a window
Sending a custom TCP request
Launching a process
Reading critical registry keys
Creating a file in the %AppData% subdirectories
Creating a file
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
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:
LockBit Ransomware
Verdict:
Malicious
Result
Threat name:
BluStealer, ThunderFox Stealer, a310Logg
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Allocates memory in foreign processes
Contains functionality to inject code into remote processes
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
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 the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected a310Logger
Yara detected BluStealer
Yara detected Generic Dropper
Yara detected ThunderFox Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 763903 Sample: SecuriteInfo.com.Trojan.Gar... Startdate: 09/12/2022 Architecture: WINDOWS Score: 100 25 Malicious sample detected (through community Yara rule) 2->25 27 Yara detected ThunderFox Stealer 2->27 29 Yara detected BluStealer 2->29 31 6 other signatures 2->31 8 SecuriteInfo.com.Trojan.Garf.Gen.7.21386.6564.exe 19 2->8         started        process3 file4 21 C:\Users\user\AppData\...\zkijohgosn.exe, PE32 8->21 dropped 11 zkijohgosn.exe 8->11         started        process5 signatures6 39 Machine Learning detection for dropped file 11->39 41 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 11->41 43 Contains functionality to inject code into remote processes 11->43 45 Maps a DLL or memory area into another process 11->45 14 zkijohgosn.exe 1 7 11->14         started        process7 dnsIp8 23 api.telegram.org 149.154.167.220, 443, 49714, 49715 TELEGRAMRU United Kingdom 14->23 47 Writes to foreign memory regions 14->47 49 Allocates memory in foreign processes 14->49 51 Injects a PE file into a foreign processes 14->51 18 AppLaunch.exe 2 14->18         started        signatures9 process10 signatures11 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->33 35 Tries to steal Mail credentials (via file / registry access) 18->35 37 Tries to harvest and steal browser information (history, passwords, etc) 18->37
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-12-09 03:33:11 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
blustealer
Score:
  10/10
Tags:
family:blustealer collection stealer
Behaviour
Modifies system certificate store
Script User-Agent
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Loads dropped DLL
Executes dropped EXE
BluStealer
Malware Config
C2 Extraction:
https://api.telegram.org/bot5797428905:AAGaRRXGZN1d9GGFd3sE5x4uSpCGF0PU4m4/sendMessage?chat_id=1251788325
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
fc9bb9746aaa4e07944b2c1338d26ac852531a6e6c97e98f6a56202d27ff607c
MD5 hash:
d2ec533f8b40a8224d79c87c2291f943
SHA1 hash:
f305fa4c5c8525e853fbdbcf5c8cedad9ba08fd2
SH256 hash:
a4b55247b3e10d05aad24505daa475ce6ec27682337857a6cf0031aacf2a155c
MD5 hash:
494a605ec14a0bd14ad3db0eed037454
SHA1 hash:
fe244e37cb29ba0c6b6a1744d91ec05a6194f726
SH256 hash:
9dc7c5f5d889aebb2e0f63d5b5a7887c37a2cf002bd1aa66229bffbc5fcb4717
MD5 hash:
3a24c7f9a1246d99f52edc9251227a1e
SHA1 hash:
47a0072ffc1daa0b7537a0fbc99d67ca880560c3
SH256 hash:
821c864c8d078d7d92e096d36093f8f49d2444797c9ecb95501806c6b1aaf461
MD5 hash:
a75b32ffea58b74a06d0a65bbe3f90ba
SHA1 hash:
d47dd581e765301bcc44e32bbfe99e4da92ee6dc
SH256 hash:
2a63a204abf0c8437b694e8b31e048a1c25bdebfae0cfda7e6e2bf469f74be1c
MD5 hash:
99bbaa54e597de53a3db66bb29fdbbc9
SHA1 hash:
ba9bf171acc6c2d7e897dc0a14515ff8e410d14a
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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

File information


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

Comments