MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39d1c62236097f35dbcb91310c722882def7fe38bf1d7803b15b879580e44d22. 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: 10


Intelligence 10 IOCs 1 YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 39d1c62236097f35dbcb91310c722882def7fe38bf1d7803b15b879580e44d22
SHA3-384 hash: 171209e06c2611f9e9f905c301a29ee10fb3d6a7c27d1ffbb43a8e4f2609692ab6fa89c865be284e32d671dd4c69246c
SHA1 hash: fec54d99bb6b69581f1683a500bf7eccfa99541b
MD5 hash: a667753900a6ec0b6339d02463d20b5c
humanhash: lima-indigo-early-whiskey
File name:a667753900a6ec0b6339d02463d20b5c.exe
Download: download sample
Signature BitRAT
Create hunting rule
File size:3'190'272 bytes
First seen:2022-07-08 11:40:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 49152:Ew+lxwBuaoIHcu1/p/Prm6Tmd3tyK9YkfLHhtsU3X1ivDpvfyfhCivSILN:D+kBYI8u1/hOtxmqXsYFivDBChVv5B
TLSH T1FFE533329868ADB8D1B02835509DE7B60D93163D491EC8BF07D8AB65CEE1F5CBF48C49
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f0ccb8f1f1b8ccf0 (1 x BitRAT)
Reporter abuse_ch
Tags:BitRAT exe RAT


Avatar
abuse_ch
BitRAT C2:
2.56.59.146:1234

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
2.56.59.146:1234 https://threatfox.abuse.ch/ioc/817911/

Intelligence

File Origin
# of uploads :
1
# of downloads :
281
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62c817d5a9394d64214bf93d/reports/d32d56f9-07ac-4aed-8517-310f4da97d90/overview
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/74be521e-9e97-4362-b1ac-923a8406ea28
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1027172
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates an undocumented autostart registry key
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 659667 Sample: U2J5EU5W3R.exe Startdate: 08/07/2022 Architecture: WINDOWS Score: 96 57 Antivirus detection for dropped file 2->57 59 Antivirus / Scanner detection for submitted sample 2->59 61 Multi AV Scanner detection for dropped file 2->61 63 5 other signatures 2->63 8 U2J5EU5W3R.exe 16 7 2->8         started        process3 dnsIp4 53 discord.com 162.159.135.232, 443, 49805 CLOUDFLARENETUS United States 8->53 55 cdn.discordapp.com 162.159.135.233, 443, 49755 CLOUDFLARENETUS United States 8->55 47 C:\Users\user\AppData\...\WindowsFix.exe, PE32 8->47 dropped 49 C:\Users\...\WindowsFix.exe:Zone.Identifier, ASCII 8->49 dropped 51 C:\Users\user\AppData\...\U2J5EU5W3R.exe.log, ASCII 8->51 dropped 65 Creates an undocumented autostart registry key 8->65 67 Injects a PE file into a foreign processes 8->67 13 cmd.exe 1 8->13         started        15 cmd.exe 1 8->15         started        17 cmd.exe 1 8->17         started        19 18 other processes 8->19 file5 signatures6 process7 process8 21 conhost.exe 13->21         started        23 timeout.exe 1 13->23         started        25 conhost.exe 15->25         started        27 timeout.exe 1 15->27         started        29 conhost.exe 17->29         started        31 timeout.exe 1 17->31         started        33 conhost.exe 19->33         started        35 conhost.exe 19->35         started        37 30 other processes 19->37 process9 39 conhost.exe 21->39         started        41 timeout.exe 1 21->41         started        43 conhost.exe 25->43         started        45 timeout.exe 1 25->45         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/39d1c62236097f35dbcb91310c722882def7fe38bf1d7803b15b879580e44d22/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-07-02 16:58:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hhi4mirwbf7tlw6lseyqy4riqlppp7ryx4oxqa5rlodzlahejura._file
Verdict:
malicious
Result
Malware family:
xenarmor
Create hunting rule
Score:
  10/10
Tags:
family:bitrat family:purecrypter family:xenarmor collection loader password persistence recovery spyware stealer suricata trojan upx
Link:
https://tria.ge/reports/220708-ntewrscbdn/
Behaviour
Delays execution with timeout.exe
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
Accesses Microsoft Outlook accounts
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Loads dropped DLL
Reads data files stored by FTP clients
Reads local data of messenger clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
UPX packed file
ACProtect 1.3x - 1.4x DLL software
BitRAT
Detect PureCrypter loader
Modifies WinLogon for persistence
PureCrypter
XenArmor Suite
suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
Malware Config
C2 Extraction:
regidis.mooo.com:1234
Unpacked files
SH256 hash:
39d1c62236097f35dbcb91310c722882def7fe38bf1d7803b15b879580e44d22
MD5 hash:
a667753900a6ec0b6339d02463d20b5c
SHA1 hash:
fec54d99bb6b69581f1683a500bf7eccfa99541b
Link:
https://www.unpac.me/results/6d9b874b-5048-418a-9dd9-4db248909ea6/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/39d1c6223609/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.48
Link:
https://yomi.yoroi.company/submissions/39d1c62236097f35dbcb91310c722882def7fe38bf1d7803b15b879580e44d22

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
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:bitrat_unpacked
Create hunting rule
Author:jeFF0Falltrades
Description:Experimental rule to detect unpacked BitRat payloads on disk or in memory, looking for a combination of strings and decryption/decoding patterns
Reference:https://krabsonsecurity.com/2020/08/22/bitrat-the-latest-in-copy-pasted-malware-by-incompetent-developers/
Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:MALWARE_Win_BitRAT
Create hunting rule
Author:ditekSHen
Description:Detects BitRAT RAT
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research
Rule name:win_bit_rat_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.bit_rat.

File information

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

Comments