MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 248fcc901aff4e4b4c48c91e4d78a939bf681c9a1bc24addc3551b32768f907b. 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
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SHA256 hash: 248fcc901aff4e4b4c48c91e4d78a939bf681c9a1bc24addc3551b32768f907b
SHA3-384 hash: 7409b87f594adb15c5895e9c895bb46d1e25cd65fbac81287046d49bd14cf344bcdbef516ec6c37dcec666f4d6a0e8f5
SHA1 hash: 7ccfb7678c34d6a2bedc040da04e2b5201be453b
MD5 hash: 18cbe55c3b28754916f1cbf4dfc95cf9
humanhash: blossom-lamp-carbon-pasta
File name:18cbe55c3b28754916f1cbf4dfc95cf9.exe
Download: download sample
Signature Backdoor.TeamViewer
Create hunting rule
File size:1'917'440 bytes
First seen:2023-10-10 03:25:31 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:Eau0Bnly1l8B6hLa5vMIKHVo5W1v2mS0la98MT:Nfy1Wo+JK19eFE6
TLSH T1FF952349E3D4E071DCF86B7408F612A31A70BE9240F8672226DBE5590C72BE674B472F
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 :
446
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28840.BadO.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Agent.EAOQ.26295.2066.UNOFFICIAL
Create hunting rule

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 process
Launching the default Windows debugger (dwwin.exe)
Launching a service
Sending a custom TCP request
Searching for the window
Creating a file
Blocking the Windows Defender launch
Disabling the operating system update service
Unauthorized injection to a system process
Gathering data
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/248fcc901aff4e4b4c48c91e4d78a939bf681c9a1bc24addc3551b32768f907b
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:
RedLine stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1c681aaf-bf4c-4197-b55f-9dd9a7fadb5a
Result
Threat name:
Amadey, Babadeda, Healer AV Disabler, My
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1322540
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
Allocates memory in foreign processes
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)
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
Found many strings related to Crypto-Wallets (likely being stolen)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
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 Babadeda
Yara detected Healer AV Disabler
Yara detected Mystic Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Stealc
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1322540 Sample: O2uJ4GeXzW.exe Startdate: 10/10/2023 Architecture: WINDOWS Score: 100 147 www3.l.google.com 2->147 149 www.google.com 2->149 151 10 other IPs or domains 2->151 161 Snort IDS alert for network traffic 2->161 163 Multi AV Scanner detection for domain / URL 2->163 165 Found malware configuration 2->165 167 16 other signatures 2->167 14 O2uJ4GeXzW.exe 1 4 2->14         started        17 svchost.exe 24 106 2->17         started        19 rundll32.exe 2->19         started        21 hrbrdci 2->21         started        signatures3 process4 file5 141 C:\Users\user\AppData\Local\...\Yt8ge85.exe, PE32 14->141 dropped 143 C:\Users\user\AppData\Local\...\5uR3lF9.exe, PE32 14->143 dropped 23 Yt8ge85.exe 1 4 14->23         started        27 WerFault.exe 2 17->27         started        29 WerFault.exe 2 17->29         started        31 WerFault.exe 17->31         started        33 3 other processes 17->33 process6 file7 125 C:\Users\user\AppData\Local\...behaviorgraphY4IC43.exe, PE32 23->125 dropped 127 C:\Users\user\AppData\Local\...\4Ii975UD.exe, PE32 23->127 dropped 205 Multi AV Scanner detection for dropped file 23->205 35 GY4IC43.exe 1 4 23->35         started        39 4Ii975UD.exe 23->39         started        207 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 27->207 209 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 27->209 signatures8 process9 file10 109 C:\Users\user\AppData\Local\...\hE8Zq97.exe, PE32 35->109 dropped 111 C:\Users\user\AppData\Local\...\3FD62NB.exe, PE32 35->111 dropped 169 Multi AV Scanner detection for dropped file 35->169 41 3FD62NB.exe 35->41         started        44 hE8Zq97.exe 1 4 35->44         started        47 Mw7Kf5HB.exe 35->47         started        171 Writes to foreign memory regions 39->171 173 Allocates memory in foreign processes 39->173 175 Injects a PE file into a foreign processes 39->175 49 AppLaunch.exe 39->49         started        52 AppLaunch.exe 39->52         started        54 WerFault.exe 39->54         started        signatures11 process12 dnsIp13 227 Multi AV Scanner detection for dropped file 41->227 229 Writes to foreign memory regions 41->229 231 Allocates memory in foreign processes 41->231 233 Injects a PE file into a foreign processes 41->233 56 AppLaunch.exe 41->56         started        59 WerFault.exe 41->59         started        129 C:\Users\user\AppData\Local\...\2PO9885.exe, PE32 44->129 dropped 131 C:\Users\user\AppData\Local\...\1Zn59od7.exe, PE32 44->131 dropped 61 1Zn59od7.exe 44->61         started        63 2PO9885.exe 44->63         started        133 C:\Users\user\AppData\Local\...\xI6CU3Cj.exe, PE32 47->133 dropped 135 C:\Users\user\AppData\Local\...\3nW4fo10.exe, PE32 47->135 dropped 65 xI6CU3Cj.exe 47->65         started        145 77.91.124.55, 19071, 49717, 49730 ECOTEL-ASRU Russian Federation 49->145 235 Found many strings related to Crypto-Wallets (likely being stolen) 49->235 237 Tries to harvest and steal browser information (history, passwords, etc) 49->237 file14 signatures15 process16 file17 211 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 56->211 213 Maps a DLL or memory area into another process 56->213 215 Checks if the current machine is a virtual machine (disk enumeration) 56->215 217 Creates a thread in another existing process (thread injection) 56->217 68 explorer.exe 56->68 injected 219 Contains functionality to inject code into remote processes 61->219 221 Writes to foreign memory regions 61->221 223 Allocates memory in foreign processes 61->223 73 AppLaunch.exe 9 1 61->73         started        75 WerFault.exe 22 16 61->75         started        225 Injects a PE file into a foreign processes 63->225 77 AppLaunch.exe 13 63->77         started        79 WerFault.exe 21 16 63->79         started        101 C:\Users\user\AppData\Local\...\2GF527nK.exe, PE32 65->101 dropped 103 C:\Users\user\AppData\Local\...\1rv14Cr1.exe, PE32 65->103 dropped 81 1rv14Cr1.exe 65->81         started        signatures18 process19 dnsIp20 153 5.42.65.80, 49756, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 68->153 155 77.91.68.29, 49719, 80 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 68->155 159 2 other IPs or domains 68->159 117 C:\Users\user\AppData\Local\Temp405.exe, PE32 68->117 dropped 119 C:\Users\user\AppData\Local\Temp\DF51.exe, PE32 68->119 dropped 121 C:\Users\user\AppData\Local\Temp\DC33.exe, PE32 68->121 dropped 123 6 other files (5 malicious) 68->123 dropped 177 System process connects to network (likely due to code injection or exploit) 68->177 179 Benign windows process drops PE files 68->179 181 Hides that the sample has been downloaded from the Internet (zone.identifier) 68->181 83 C666.exe 68->83         started        86 CCEF.exe 68->86         started        89 rundll32.exe 68->89         started        183 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 73->183 185 Found many strings related to Crypto-Wallets (likely being stolen) 73->185 187 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 73->187 195 3 other signatures 73->195 157 5.42.92.211, 49713, 49721, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 77->157 189 Writes to foreign memory regions 81->189 191 Allocates memory in foreign processes 81->191 193 Injects a PE file into a foreign processes 81->193 91 AppLaunch.exe 81->91         started        file21 signatures22 process23 file24 113 C:\Users\user\AppData\Local\...\FB0CQ9mf.exe, PE32 83->113 dropped 115 C:\Users\user\AppData\Local\...\6VU06Xq.exe, PE32 83->115 dropped 93 FB0CQ9mf.exe 83->93         started        197 Multi AV Scanner detection for dropped file 86->197 199 Writes to foreign memory regions 86->199 201 Allocates memory in foreign processes 86->201 203 Injects a PE file into a foreign processes 86->203 96 AppLaunch.exe 86->96         started        signatures25 process26 file27 137 C:\Users\user\AppData\Local\...\tE2ad1ol.exe, PE32 93->137 dropped 139 C:\Users\user\AppData\Local\...\5Di75Km.exe, PE32 93->139 dropped 98 tE2ad1ol.exe 93->98         started        process28 file29 105 C:\Users\user\AppData\Local\...\Mw7Kf5HB.exe, PE32 98->105 dropped 107 C:\Users\user\AppData\Local\...\4kZ114tC.exe, PE32 98->107 dropped
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/248fcc901aff4e4b4c48c91e4d78a939bf681c9a1bc24addc3551b32768f907b/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2023-10-06 07:46:55 UTC
File Type:
PE (Exe)
Extracted files:
151
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=esh4zea275hewtcizepe26fjhg7wqhe2dpbevxodkunte5upsb5q._file
Verdict:
malicious
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:amadey family:dcrat family:healer family:mystic family:redline family:smokeloader botnet:6012068394_99 botnet:frant botnet:lutyr botnet:magia backdoor discovery dropper evasion infostealer persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/231010-dy7ggaad7z/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Drops file in Program Files 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
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Windows security modification
Downloads MZ/PE file
DcRat
Detect Mystic stealer payload
Detects Healer an antivirus disabler dropper
Healer
Modifies Windows Defender Real-time Protection settings
Mystic
RedLine
RedLine payload
SmokeLoader
Suspicious use of NtCreateUserProcessOtherParentProcess
Amadey
Malware Config
C2 Extraction:
77.91.124.55:19071
http://77.91.68.29/fks/
http://77.91.124.1/theme/index.php
https://pastebin.com/raw/8baCJyMF
Unpacked files
SH256 hash:
1d0456db5ac87538efc9e0b9a1d22a0038f552d358e44b5cefe5d2b522fba2fe
MD5 hash:
08d43cfa3d0c294d16052d3d8ad5dbcb
SHA1 hash:
3dde897ffba855ea34a6da4ac48a41b00a33500e
Link:
https://www.unpac.me/results/7251a894-c002-4513-8ceb-39512cd39dde/
SH256 hash:
58ce039c64a822f4aa91baae1f44daf17c068502ac91a884cfb71cda31a8cc12
MD5 hash:
c4ad3022ae218c23a3f9b359435dc224
SHA1 hash:
3fc604f9ee2d10ee5597c838e837912e78e2c339
Link:
https://www.unpac.me/results/7251a894-c002-4513-8ceb-39512cd39dde/
SH256 hash:
f7602f7a103e638632cf1300dce19336680cfa058667592e5db9de8eb621d95e
MD5 hash:
2a1200dd724672ee26250c56b3ab70c8
SHA1 hash:
2dac494f05f381954410f8da6bae7e2618ad40e6
Link:
https://www.unpac.me/results/7251a894-c002-4513-8ceb-39512cd39dde/
SH256 hash:
248fcc901aff4e4b4c48c91e4d78a939bf681c9a1bc24addc3551b32768f907b
MD5 hash:
18cbe55c3b28754916f1cbf4dfc95cf9
SHA1 hash:
7ccfb7678c34d6a2bedc040da04e2b5201be453b
Link:
https://www.unpac.me/results/7251a894-c002-4513-8ceb-39512cd39dde/
Malware family:
RedNet
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/248fcc901aff/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Redline
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/248fcc901aff4e4b4c48c91e4d78a939bf681c9a1bc24addc3551b32768f907b

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
Create hunting rule
Author:Varp0s
Rule name:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:redline_stealer_1
Create hunting rule
Author:Nikolaos 'n0t' Totosis
Description:RedLine Stealer Payload
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

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