MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9bb27c258b3f5721f2ac5dede8b13349177e0dd937a6eaa4e6b22ba8d8045624. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments

SHA256 hash: 9bb27c258b3f5721f2ac5dede8b13349177e0dd937a6eaa4e6b22ba8d8045624
SHA3-384 hash: 7846473229118a0003455003208b4538812211fc07c57b3319bec4d7ec3be74bb20ce7570898b92f9869cc5cf760d261
SHA1 hash: 4ca7cfe4401c2a59382b9d82ee4223bd62bc290d
MD5 hash: 1a3939bb69663ab638c64e01bd59ab0f
humanhash: potato-sodium-illinois-lima
File name:1a3939bb69663ab638c64e01bd59ab0f.exe
Download: download sample
Signature Backdoor.TeamViewer
File size:1'224'192 bytes
First seen:2023-10-10 09:25:32 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 24576:WyzdrGKsgxmfFbVyy/WRQ3Np76NxNJbkDi8Kq4x6E2X:lJiKsg3fSdp2bbR8sx6E2
TLSH T1CC45230696C8C536FAF62B7154F103C70A393E294C754AE227657C892CB64D4EB31BEB
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:
185.229.64.66:8443

Intelligence


File Origin
# of uploads :
1
# of downloads :
304
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Launching a service
Creating a file
Launching a process
Sending a custom TCP request
Сreating synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Blocking the Windows Defender launch
Disabling the operating system update service
Unauthorized injection to a system process
Gathering data
Gathering data
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, Babadeda, Healer AV Disabler, My
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
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
Changes security center settings (notifications, updates, antivirus, firewall)
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to inject code into remote processes
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Phishing site detected (based on logo match)
Query firmware table information (likely to detect VMs)
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)
Writes to foreign memory regions
Yara detected Amadey bot
Yara detected Amadeys stealer DLL
Yara detected Babadeda
Yara detected Healer AV Disabler
Yara detected Mystic Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1322690 Sample: 6drOgZeJbd.exe Startdate: 10/10/2023 Architecture: WINDOWS Score: 100 126 www3.l.google.com 2->126 128 www.google.com 2->128 130 10 other IPs or domains 2->130 154 Snort IDS alert for network traffic 2->154 156 Multi AV Scanner detection for domain / URL 2->156 158 Found malware configuration 2->158 160 19 other signatures 2->160 15 6drOgZeJbd.exe 1 4 2->15         started        18 svchost.exe 2->18         started        21 svchost.exe 1 2->21         started        23 7 other processes 2->23 signatures3 process4 file5 122 C:\Users\user\AppData\Local\...\HC1Fp13.exe, PE32 15->122 dropped 124 C:\Users\user\AppData\Local\...\5tC4DT4.exe, PE32 15->124 dropped 25 HC1Fp13.exe 1 4 15->25         started        140 Changes security center settings (notifications, updates, antivirus, firewall) 18->140 142 Query firmware table information (likely to detect VMs) 21->142 29 WerFault.exe 2 23->29         started        31 WerFault.exe 23->31         started        33 WerFault.exe 23->33         started        35 WerFault.exe 23->35         started        signatures6 process7 file8 102 C:\Users\user\AppData\Local\...\Af5Ba02.exe, PE32 25->102 dropped 104 C:\Users\user\AppData\Local\...\4ju019XJ.exe, PE32 25->104 dropped 172 Multi AV Scanner detection for dropped file 25->172 37 Af5Ba02.exe 1 4 25->37         started        signatures9 process10 file11 98 C:\Users\user\AppData\Local\...\eF5Qw47.exe, PE32 37->98 dropped 100 C:\Users\user\AppData\Local\...\3vG11rO.exe, PE32 37->100 dropped 162 Multi AV Scanner detection for dropped file 37->162 41 3vG11rO.exe 37->41         started        44 eF5Qw47.exe 1 4 37->44         started        signatures12 process13 file14 164 Multi AV Scanner detection for dropped file 41->164 166 Writes to foreign memory regions 41->166 168 Allocates memory in foreign processes 41->168 170 Injects a PE file into a foreign processes 41->170 47 AppLaunch.exe 41->47         started        50 WerFault.exe 41->50         started        118 C:\Users\user\AppData\Local\...\2JD0562.exe, PE32 44->118 dropped 120 C:\Users\user\AppData\Local\...\1ac75TC7.exe, PE32 44->120 dropped 52 2JD0562.exe 44->52         started        54 1ac75TC7.exe 9 44->54         started        signatures15 process16 signatures17 180 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 47->180 182 Maps a DLL or memory area into another process 47->182 184 Checks if the current machine is a virtual machine (disk enumeration) 47->184 186 Creates a thread in another existing process (thread injection) 47->186 56 explorer.exe 47->56 injected 188 Contains functionality to inject code into remote processes 52->188 190 Writes to foreign memory regions 52->190 192 Allocates memory in foreign processes 52->192 194 Injects a PE file into a foreign processes 52->194 61 AppLaunch.exe 12 52->61         started        63 WerFault.exe 22 16 52->63         started        196 Multi AV Scanner detection for dropped file 54->196 198 Modifies windows update settings 54->198 200 Disable Windows Defender notifications (registry) 54->200 202 Disable Windows Defender real time protection (registry) 54->202 process18 dnsIp19 132 5.42.65.80, 49731, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 56->132 134 77.91.68.29, 49716, 80 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 56->134 138 2 other IPs or domains 56->138 106 C:\Users\user\AppData\Local\Temp375.exe, PE32 56->106 dropped 108 C:\Users\user\AppData\Local\Temp\D6B2.exe, PE32 56->108 dropped 110 C:\Users\user\AppData\Local\Temp\C2AC.exe, PE32 56->110 dropped 112 6 other files (5 malicious) 56->112 dropped 174 System process connects to network (likely due to code injection or exploit) 56->174 176 Benign windows process drops PE files 56->176 178 Hides that the sample has been downloaded from the Internet (zone.identifier) 56->178 65 82EE.exe 56->65         started        69 864A.exe 56->69         started        71 rundll32.exe 56->71         started        136 5.42.92.211, 49712, 49718, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 61->136 file20 signatures21 process22 file23 90 C:\Users\user\AppData\Local\...\ui7HF2LR.exe, PE32 65->90 dropped 92 C:\Users\user\AppData\Local\...\6Na94ar.exe, PE32 65->92 dropped 144 Antivirus detection for dropped file 65->144 146 Machine Learning detection for dropped file 65->146 73 ui7HF2LR.exe 65->73         started        148 Writes to foreign memory regions 69->148 150 Allocates memory in foreign processes 69->150 152 Injects a PE file into a foreign processes 69->152 76 AppLaunch.exe 69->76         started        78 WerFault.exe 69->78         started        signatures24 process25 file26 114 C:\Users\user\AppData\Local\...\Zz4GN5tE.exe, PE32 73->114 dropped 116 C:\Users\user\AppData\Local\...\5YN50QD.exe, PE32 73->116 dropped 80 Zz4GN5tE.exe 73->80         started        process27 file28 86 C:\Users\user\AppData\Local\...\qJ2KT7nP.exe, PE32 80->86 dropped 88 C:\Users\user\AppData\Local\...\4le573mV.exe, PE32 80->88 dropped 83 qJ2KT7nP.exe 80->83         started        process29 file30 94 C:\Users\user\AppData\Local\...\Ku0bC5wN.exe, PE32 83->94 dropped 96 C:\Users\user\AppData\Local\...\3MU1ga73.exe, PE32 83->96 dropped
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-10-10 09:26:06 UTC
File Type:
PE (Exe)
Extracted files:
155
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:amadey family:dcrat family:glupteba family:healer family:redline family:smokeloader botnet:lutyr botnet:magia botnet:set botnet:up3 backdoor discovery dropper evasion infostealer loader persistence rat rootkit spyware stealer trojan
Behaviour
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Checks SCSI registry key(s)
Creates scheduled task(s)
Enumerates system info in registry
Modifies data under HKEY_USERS
Enumerates physical storage devices
Program crash
Checks for VirtualBox DLLs, possible anti-VM trick
Drops file in Program Files directory
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Manipulates WinMonFS driver.
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Windows security modification
Downloads MZ/PE file
Drops file in Drivers directory
Modifies Windows Firewall
Stops running service(s)
Amadey
DcRat
Detects Healer an antivirus disabler dropper
Glupteba
Glupteba payload
Healer
Modifies Windows Defender Real-time Protection settings
RedLine
RedLine payload
SmokeLoader
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
77.91.124.55:19071
http://77.91.68.29/fks/
http://77.91.124.1/theme/index.php
http://host-file-host6.com/
http://host-host-file8.com/
Unpacked files
SH256 hash:
4e5cd82834477e6e315c1b643c14f7968df83a3ff02ff71f84e822ca722414bf
MD5 hash:
33199a6d5921243dab27785547ac92e7
SHA1 hash:
ddda6389b982069a1ae4b81974d390a858ffda1d
SH256 hash:
bab2520411d2c3fe556e10402867e719d7e944e8c522d8ac152d292d3201be04
MD5 hash:
1a784df9022ccbed8f8dfdf147f144ed
SHA1 hash:
8a0f266bfdd3ebc3d04341befab97f4d2f5d7da4
SH256 hash:
431be214153fd5ffd4ff4fe2826276c8feb1459837eda7462a171c824bd63d31
MD5 hash:
94a8f3962afb223c692c8c8757e2b14d
SHA1 hash:
3d5a3f9bcd56b73a96a70cdfb9def93b54643c1e
SH256 hash:
bfa9b5fe9625d16a7c8e904fc81a42bbfbc0c2acc1380ada85b3fb9e67aad8d0
MD5 hash:
081c9bde20726f72840452faeea0cae7
SHA1 hash:
721847d28f5c5c5f53ba4eccfbdc814b72032b64
SH256 hash:
298682eb836a45fe9d62e0dcea5d9b7329f24180e116ce7430b495cf9335d558
MD5 hash:
b0246d6bb723477a10abe8242b76c8c2
SHA1 hash:
809ff5bb2d16a7d50383f261bdd54264692b2a78
SH256 hash:
7f76715bdc2d59c660f72f97e127d1e3bcef77f039ebab3d5cd294604d5ca938
MD5 hash:
242411ca0bf366592cfead742eb70801
SHA1 hash:
24ec600fe38f8451be6f7f306a9d2e409c4267cc
SH256 hash:
9bb27c258b3f5721f2ac5dede8b13349177e0dd937a6eaa4e6b22ba8d8045624
MD5 hash:
1a3939bb69663ab638c64e01bd59ab0f
SHA1 hash:
4ca7cfe4401c2a59382b9d82ee4223bd62bc290d
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_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:redline_stealer_1
Author:Nikolaos 'n0t' Totosis
Description:RedLine Stealer Payload
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 9bb27c258b3f5721f2ac5dede8b13349177e0dd937a6eaa4e6b22ba8d8045624

(this sample)

  
Delivery method
Distributed via web download

Comments