MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6bec9d9527e9ddf4e153192f5d945e4de63e96da8ef2af4c12f81aec20bff8e. 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



BitRAT


Vendor detections: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: a6bec9d9527e9ddf4e153192f5d945e4de63e96da8ef2af4c12f81aec20bff8e
SHA3-384 hash: a5a2659b13999014a4fe8e7cfa1f04d091a52a75e537cf563f3ced5fb48e3394878124f24a8923a2086d5f1bdd57a747
SHA1 hash: 1af8bccf6cf3c06f6eabe654dfe8bea4e6956851
MD5 hash: 8aab6881d976ecdd6571a2ac4ed11af0
humanhash: iowa-lake-nuts-lima
File name:8aab6881d976ecdd6571a2ac4ed11af0.exe
Download: download sample
Signature BitRAT
File size:4'511'744 bytes
First seen:2021-03-10 17:30:40 UTC
Last seen:2021-03-10 19:45:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 98304:37LCYssZaA39vU2sXvhqMBME8m5rHfUM:HCYsC3xJEqMBx5r/
Threatray 115 similar samples on MalwareBazaar
TLSH E4262202FE87559AD4738A78C6320B6B9664BD1B407498192C3DFD2C75B7AD2E90EFC0
Reporter abuse_ch
Tags:BitRAT exe RAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
110
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8aab6881d976ecdd6571a2ac4ed11af0.exe
Verdict:
Suspicious activity
Analysis date:
2021-03-10 17:51:43 UTC
Tags:
n/a

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

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
BitRAT Xmrig
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Signature
Allocates memory in foreign processes
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to hide a thread from the debugger
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected BitRAT
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 366389 Sample: Y1ak5x6zr1.exe Startdate: 10/03/2021 Architecture: WINDOWS Score: 100 32 goodballings.xyz 2->32 40 Multi AV Scanner detection for dropped file 2->40 42 Sigma detected: Scheduled temp file as task from temp location 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 10 other signatures 2->46 8 Y1ak5x6zr1.exe 7 2->8         started        signatures3 process4 file5 24 C:\Users\user\AppData\Roaming\ZZEtahVY.exe, PE32 8->24 dropped 26 C:\Users\...\ZZEtahVY.exe:Zone.Identifier, ASCII 8->26 dropped 28 C:\Users\user\AppData\Local\...\tmp6EB3.tmp, XML 8->28 dropped 30 C:\Users\user\AppData\...\Y1ak5x6zr1.exe.log, ASCII 8->30 dropped 48 Detected unpacking (changes PE section rights) 8->48 50 Writes to foreign memory regions 8->50 52 Allocates memory in foreign processes 8->52 54 2 other signatures 8->54 12 RegSvcs.exe 8->12         started        15 RegSvcs.exe 1 16 8->15         started        18 schtasks.exe 1 8->18         started        20 2 other processes 8->20 signatures6 process7 dnsIp8 56 Contains functionality to inject code into remote processes 12->56 58 Contains functionality to hide a thread from the debugger 12->58 34 goodballings.xyz 15->34 36 api.telegram.org 149.154.167.220, 443, 49729 TELEGRAMRU United Kingdom 15->36 38 2 other IPs or domains 15->38 60 Hides threads from debuggers 15->60 22 conhost.exe 18->22         started        signatures9 62 Uses the Telegram API (likely for C&C communication) 34->62 process10
Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-03-10 15:36:57 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:bitrat trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
BitRAT
BitRAT Payload
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
SH256 hash:
a6bec9d9527e9ddf4e153192f5d945e4de63e96da8ef2af4c12f81aec20bff8e
MD5 hash:
8aab6881d976ecdd6571a2ac4ed11af0
SHA1 hash:
1af8bccf6cf3c06f6eabe654dfe8bea4e6956851
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:Email_stealer_bin_mem
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:MALWARE_Win_BitRAT
Author:ditekSHen
Description:Detects BitRAT RAT

File information


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

Comments