MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6d82e3c5ac60406d1c6a513d7ba1080c77adb32ca3d6b2473e0b6ff76b4818bd. 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



Backdoor.TeamViewer


Vendor detections: 18


Intelligence 18 IOCs YARA 7 File information Comments

SHA256 hash: 6d82e3c5ac60406d1c6a513d7ba1080c77adb32ca3d6b2473e0b6ff76b4818bd
SHA3-384 hash: 7b7cccf206584eebcf191c15ba5271a5b4a3198ff527fc310fcba886149c636764f9eef3245f073c0cc0c6e0bef8f4c3
SHA1 hash: 5cae6714e0cc19819e0c70459a3c25968ec554ff
MD5 hash: 41a7fe217d400d78ec38420cfb3875ee
humanhash: cola-shade-sierra-comet
File name:41a7fe217d400d78ec38420cfb3875ee.exe
Download: download sample
Signature Backdoor.TeamViewer
File size:1'839'104 bytes
First seen:2023-10-22 17:15:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 646167cce332c1c252cdcb1839e0cf48 (8'473 x RedLineStealer, 4'851 x Amadey, 290 x Smoke Loader)
ssdeep 49152:K+0fsuP1/cLYWp/pS3A9YrkbhSsK2J//1:dHuq5/9Yr4hSBi
Threatray 2'324 similar samples on MalwareBazaar
TLSH T1A9852356A6D510B3D8B21330C5FF03D31731B8E15AA483AB2762FDAD1A739C8A47476B
TrID 70.4% (.CPL) Windows Control Panel Item (generic) (197083/11/60)
11.1% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
5.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
3.7% (.EXE) Win64 Executable (generic) (10523/12/4)
2.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon f8f0f4c8c8c8d8f0 (8'803 x RedLineStealer, 5'078 x Amadey, 288 x Smoke Loader)
Reporter abuse_ch
Tags:Backdoor.TeamViewer exe


Avatar
abuse_ch
Backdoor.TeamViewer C2:
http://bluesaks.fun/api

Intelligence


File Origin
# of uploads :
1
# of downloads :
320
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
redline
ID:
1
File name:
41a7fe217d400d78ec38420cfb3875ee.exe
Verdict:
Malicious activity
Analysis date:
2023-10-22 17:21:12 UTC
Tags:
stealc stealer redline sinkhole trojan amadey botnet loader smoke

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

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %AppData% directory
Сreating synchronization primitives
Launching a service
Launching a process
Creating a file
Creating a window
Launching cmd.exe command interpreter
Running batch commands
Adding an access-denied ACE
Disabling the operating system update service
Blocking the Windows Defender launch
Forced shutdown of a system process
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
advpack anti-vm CAB control explorer installer lolbin packed packed redcap rundll32 setupapi sfx shell32
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:
Amadey, LummaC Stealer, Mystic Stealer,
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Connects to many ports of the same IP (likely port scanning)
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to start reverse TCP shell (cmd.exe)
Creates a thread in another existing process (thread injection)
Disable Windows Defender notifications (registry)
Disable Windows Defender real time protection (registry)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Modifies windows update settings
Multi AV Scanner detection for dropped file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected Amadey bot
Yara detected Amadeys stealer DLL
Yara detected LummaC Stealer
Yara detected Mystic Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1330110 Sample: 1pDkEJyyai.exe Startdate: 22/10/2023 Architecture: WINDOWS Score: 100 145 raw.githubusercontent.com 2->145 147 49.39.14.0.in-addr.arpa 2->147 149 13 other IPs or domains 2->149 169 Snort IDS alert for network traffic 2->169 171 Found malware configuration 2->171 173 Malicious sample detected (through community Yara rule) 2->173 175 17 other signatures 2->175 15 1pDkEJyyai.exe 1 4 2->15         started        18 cmd.exe 1 2->18         started        20 rundll32.exe 2->20         started        22 hbgsvet 2->22         started        signatures3 process4 file5 135 C:\Users\user\AppData\Local\...\JD6VH69.exe, PE32 15->135 dropped 137 C:\Users\user\AppData\Local\...\7th2Wd81.exe, PE32 15->137 dropped 24 JD6VH69.exe 1 4 15->24         started        28 conhost.exe 18->28         started        30 regini.exe 1 18->30         started        process6 file7 119 C:\Users\user\AppData\Local\...\Hy5qA92.exe, PE32 24->119 dropped 121 C:\Users\user\AppData\Local\...\6tA0Xl1.exe, PE32 24->121 dropped 217 Antivirus detection for dropped file 24->217 219 Machine Learning detection for dropped file 24->219 32 Hy5qA92.exe 1 4 24->32         started        signatures8 process9 file10 99 C:\Users\user\AppData\Local\...\et3On42.exe, PE32 32->99 dropped 101 C:\Users\user\AppData\Local\...\5ha5KK9.exe, PE32 32->101 dropped 35 et3On42.exe 1 4 32->35         started        39 5ha5KK9.exe 32->39         started        process11 file12 103 C:\Users\user\AppData\Local\...\uD8Lo01.exe, PE32 35->103 dropped 105 C:\Users\user\AppData\Local\...\4ah887yk.exe, PE32 35->105 dropped 177 Machine Learning detection for dropped file 35->177 41 4ah887yk.exe 35->41         started        44 uD8Lo01.exe 1 4 35->44         started        179 Writes to foreign memory regions 39->179 181 Allocates memory in foreign processes 39->181 183 Injects a PE file into a foreign processes 39->183 47 AppLaunch.exe 39->47         started        50 AppLaunch.exe 39->50         started        signatures13 process14 dnsIp15 221 Writes to foreign memory regions 41->221 223 Allocates memory in foreign processes 41->223 225 Injects a PE file into a foreign processes 41->225 52 AppLaunch.exe 41->52         started        123 C:\Users\user\AppData\Local\...\UB2YX25.exe, PE32 44->123 dropped 125 C:\Users\user\AppData\Local\...\3GQ30vL.exe, PE32 44->125 dropped 55 UB2YX25.exe 1 4 44->55         started        58 3GQ30vL.exe 44->58         started        163 109.107.182.133 TELEPORT-TV-ASRU Russian Federation 47->163 file16 signatures17 process18 file19 185 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 52->185 187 Maps a DLL or memory area into another process 52->187 189 Checks if the current machine is a virtual machine (disk enumeration) 52->189 191 Creates a thread in another existing process (thread injection) 52->191 60 explorer.exe 35 52->60 injected 111 C:\Users\user\AppData\Local\...\2yS5530.exe, PE32 55->111 dropped 113 C:\Users\user\AppData\Local\...\1Vm70Zb5.exe, PE32+ 55->113 dropped 65 1Vm70Zb5.exe 8 2 55->65         started        67 2yS5530.exe 12 55->67         started        193 Multi AV Scanner detection for dropped file 58->193 195 Contains functionality to inject code into remote processes 58->195 197 Writes to foreign memory regions 58->197 199 2 other signatures 58->199 69 AppLaunch.exe 1 1 58->69         started        signatures20 process21 dnsIp22 155 5.42.65.80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 60->155 157 77.91.68.249 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 60->157 161 6 other IPs or domains 60->161 127 C:\Users\user\AppData\Local\Temp\DF37.exe, PE32 60->127 dropped 129 C:\Users\user\AppData\Local\Temp\D4E5.exe, PE32 60->129 dropped 131 C:\Users\user\AppData\Local\Temp\D2A2.exe, PE32 60->131 dropped 133 13 other files (12 malicious) 60->133 dropped 227 System process connects to network (likely due to code injection or exploit) 60->227 229 Benign windows process drops PE files 60->229 231 Hides that the sample has been downloaded from the Internet (zone.identifier) 60->231 71 C698.exe 60->71         started        75 D08E.exe 60->75         started        77 D2A2.exe 60->77         started        81 4 other processes 60->81 233 Multi AV Scanner detection for dropped file 65->233 235 Contains functionality to bypass UAC (CMSTPLUA) 65->235 237 Contains functionality to start reverse TCP shell (cmd.exe) 65->237 243 3 other signatures 65->243 79 conhost.exe 65->79         started        159 5.42.92.88 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 67->159 239 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 69->239 241 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 69->241 file23 signatures24 process25 dnsIp26 115 C:\Users\user\AppData\Local\...\gj8xN8LT.exe, PE32 71->115 dropped 117 C:\Users\user\AppData\Local\...\6pu33Tm.exe, PE32 71->117 dropped 205 Antivirus detection for dropped file 71->205 207 Machine Learning detection for dropped file 71->207 84 gj8xN8LT.exe 71->84         started        209 Multi AV Scanner detection for dropped file 75->209 211 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 75->211 213 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 75->213 215 Tries to harvest and steal browser information (history, passwords, etc) 75->215 143 193.233.255.73 FREE-NET-ASFREEnetEU Russian Federation 81->143 88 chrome.exe 81->88         started        91 conhost.exe 81->91         started        93 chrome.exe 81->93         started        file27 signatures28 process29 dnsIp30 107 C:\Users\user\AppData\Local\...\lK1Gu0bW.exe, PE32 84->107 dropped 109 C:\Users\user\AppData\Local\...\5CR06md.exe, PE32 84->109 dropped 201 Antivirus detection for dropped file 84->201 203 Machine Learning detection for dropped file 84->203 95 lK1Gu0bW.exe 84->95         started        151 192.168.2.4 unknown unknown 88->151 153 239.255.255.250 unknown Reserved 88->153 file31 signatures32 process33 file34 139 C:\Users\user\AppData\Local\...\AP2HV6hT.exe, PE32 95->139 dropped 141 C:\Users\user\AppData\Local\...\4eZ377RU.exe, PE32 95->141 dropped 165 Antivirus detection for dropped file 95->165 167 Machine Learning detection for dropped file 95->167 signatures35
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2023-10-22 17:16:06 UTC
File Type:
PE (Exe)
Extracted files:
231
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:amadey family:redline family:smokeloader botnet:homed backdoor evasion infostealer persistence trojan upx
Behaviour
Checks SCSI registry key(s)
Creates scheduled task(s)
Modifies Internet Explorer settings
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
UPX packed file
Windows security modification
Amadey
Modifies Windows Defender Real-time Protection settings
RedLine
RedLine payload
SmokeLoader
Malware Config
C2 Extraction:
http://77.91.68.29/fks/
109.107.182.133:19084
http://77.91.124.1/theme/index.php
Unpacked files
SH256 hash:
160ea596dea538000394fde4ba2d40fd2be5ab50037a77ba3000e927bff84ef1
MD5 hash:
22b50c95b39cbbdb00d5a4cd3d4886bd
SHA1 hash:
db8326c4fad0064ce3020226e8556e7cce8ce04e
SH256 hash:
98092cf6f0f17d01104f1a6034727430cf58023310714f28629633c2fb499b71
MD5 hash:
8db37d4fba41a71ef41b4e73ddc8f7ff
SHA1 hash:
17efc3c22b93d15f838bd2f4f2284f1c0e975bb6
SH256 hash:
f460914cd65f68d76a4b32c95657c6f1ffe334827c642b79fa6ad392d2ab1c87
MD5 hash:
6c3a8a24d74969cdcd9a38f6addef59b
SHA1 hash:
3c22d415f4ea2f7878569bf9c014ac01dff73ae2
Detections:
Amadey win_amadey_auto
SH256 hash:
6d82e3c5ac60406d1c6a513d7ba1080c77adb32ca3d6b2473e0b6ff76b4818bd
MD5 hash:
41a7fe217d400d78ec38420cfb3875ee
SHA1 hash:
5cae6714e0cc19819e0c70459a3c25968ec554ff
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:detect_Redline_Stealer
Author:Varp0s
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defedner features
Rule name:mal_healer
Author:Nikos 'n0t' Totosis
Description:Payload disabling Windows AV
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
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.

Web download

Backdoor.TeamViewer

Executable exe 6d82e3c5ac60406d1c6a513d7ba1080c77adb32ca3d6b2473e0b6ff76b4818bd

(this sample)

  
Delivery method
Distributed via web download

Comments