MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fdec386da63058475415d75ff5a0c1e94095cf3ca17ea25d542baf2d26f04fea. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fdec386da63058475415d75ff5a0c1e94095cf3ca17ea25d542baf2d26f04fea
SHA3-384 hash: dc7459127cec68a1a5c7dd2ba860b4516bc8a894effdddfe02769c9d8b946ffe11d0368203c7ca5f9d4002f50bf9120a
SHA1 hash: c2935688d4eb3b0d3337f84fe5eb699d5c15c196
MD5 hash: 5619a2d76e86bd63d598f8118cf6fb59
humanhash: sodium-purple-apart-missouri
File name:file
Download: download sample
Signature Backdoor.TeamViewer
Create hunting rule
File size:12'072'960 bytes
First seen:2023-10-05 20:44:32 UTC
Last seen:2023-10-06 06:19:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'595 x Formbook, 12'238 x SnakeKeylogger)
ssdeep 196608:JG3adCGgsJsBFSmKAvVxaATV09BtBJ2MkkjcpZ6+ZzIJc0Dec3KQHooYod:JG38ChssHSIxt0ntBSm+Zsq0bH4od
Threatray 196 similar samples on MalwareBazaar
TLSH T1FAC62234B4E1644EB6F74E42577D772FC1BA7B368BC9C45E1E6DA088510223CAD7CA28
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter andretavare5
Tags:Backdoor.TeamViewer exe


Avatar
andretavare5
Sample downloaded from http://45.9.74.80/zinda.exe

Intelligence

File Origin
# of uploads :
7
# of downloads :
347
Origin country :
US US
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.MulDropNET.43.9456.29592.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file
Creating a window
Unauthorized injection to a recently created process
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm
Link:
https://www.filescan.io/uploads/651f2051f5e3ca1b0162915f/reports/33f86d8d-8a4b-4599-8daa-b690e8d8e8ae/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/fdec386da63058475415d75ff5a0c1e94095cf3ca17ea25d542baf2d26f04fea
Result
Verdict:
MALICIOUS
Malware family:
Upgdsed
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/37a38d1c-ee2d-4149-ad90-c07ee13f11c8
Result
Threat name:
Glupteba, SmokeLoader, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1320585
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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 infect the boot sector
Creates a thread in another existing process (thread injection)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found API chain indicative of debugger detection
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found stalling execution ending in API Sleep call
Found Tor onion address
Injects code into the Windows Explorer (explorer.exe)
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 power options to not sleep / hibernate
Modifies the context of a thread in another process (thread injection)
Modifies the hosts file
Multi AV Scanner detection for dropped file
Protects its processes via BreakOnTermination flag
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Sigma detected: Stop multiple services
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses powercfg.exe to modify the power settings
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Glupteba
Yara detected SmokeLoader
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1320585 Sample: file.exe Startdate: 05/10/2023 Architecture: WINDOWS Score: 100 101 rosatiauto.com 2->101 103 pik96.ru 2->103 105 2 other IPs or domains 2->105 115 Found malware configuration 2->115 117 Malicious sample detected (through community Yara rule) 2->117 119 Antivirus detection for URL or domain 2->119 121 21 other signatures 2->121 11 file.exe 6 2->11         started        15 updater.exe 2->15         started        17 cmd.exe 2->17         started        19 12 other processes 2->19 signatures3 process4 file5 89 C:\Users\user\AppData\Local\...\toolspub2.exe, PE32 11->89 dropped 91 C:\Users\user\AppData\Local\...\latestX.exe, PE32+ 11->91 dropped 93 C:\Users\user\AppData\Local\Temp\kos1.exe, PE32 11->93 dropped 99 2 other malicious files 11->99 dropped 145 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->145 21 kos1.exe 3 11->21         started        25 1d7ff176.exe 11->25         started        27 e0cbefcb1af40c7d4aff4aca26621a98.exe 13 11->27         started        35 2 other processes 11->35 95 C:\Windows\Temp\whxcdqscjswq.tmp, PE32+ 15->95 dropped 97 C:\Program Filesbehaviorgraphoogle\Libs\WR64.sys, PE32+ 15->97 dropped 147 Protects its processes via BreakOnTermination flag 15->147 149 Injects code into the Windows Explorer (explorer.exe) 15->149 151 Writes to foreign memory regions 15->151 161 3 other signatures 15->161 153 Uses powercfg.exe to modify the power settings 17->153 155 Modifies power options to not sleep / hibernate 17->155 29 conhost.exe 17->29         started        37 5 other processes 17->37 157 Query firmware table information (likely to detect VMs) 19->157 159 Changes security center settings (notifications, updates, antivirus, firewall) 19->159 31 conhost.exe 19->31         started        33 WerFault.exe 19->33         started        39 6 other processes 19->39 signatures6 process7 file8 77 C:\Users\user\AppData\Local\Temp\set16.exe, PE32 21->77 dropped 79 C:\Users\user\AppData\Local\Temp\kos.exe, PE32 21->79 dropped 123 Multi AV Scanner detection for dropped file 21->123 125 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 21->125 41 set16.exe 2 21->41         started        45 kos.exe 14 4 21->45         started        127 Detected unpacking (changes PE section rights) 25->127 129 Machine Learning detection for dropped file 25->129 131 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 25->131 141 3 other signatures 25->141 133 Detected unpacking (overwrites its own PE header) 27->133 135 Found Tor onion address 27->135 48 powershell.exe 27->48         started        81 C:\Program Filesbehaviorgraphoogle\Chrome\updater.exe, PE32+ 35->81 dropped 83 C:\Windows\System32\drivers\etc\hosts, ASCII 35->83 dropped 137 Modifies the hosts file 35->137 139 Adds a directory exclusion to Windows Defender 35->139 signatures9 process10 dnsIp11 85 C:\Users\user\AppData\Local\...\is-P8FUF.tmp, PE32 41->85 dropped 143 Multi AV Scanner detection for dropped file 41->143 50 is-P8FUF.tmp 41->50         started        107 iplogger.com 148.251.234.93, 443, 49691 HETZNER-ASDE Germany 45->107 53 WerFault.exe 45->53         started        55 conhost.exe 48->55         started        file12 signatures13 process14 file15 69 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 50->69 dropped 71 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 50->71 dropped 73 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 50->73 dropped 75 7 other files (6 malicious) 50->75 dropped 57 previewer.exe 50->57         started        60 net.exe 50->60         started        62 previewer.exe 50->62         started        process16 dnsIp17 87 C:\ProgramData\...\ContentDVSvc.exe, PE32 57->87 dropped 65 conhost.exe 60->65         started        67 net1.exe 60->67         started        109 datasheet.fun 104.21.89.251, 49695, 80 CLOUDFLARENETUS United States 62->109 111 brovwnx.com 185.141.63.172, 49696, 49697, 49698 BELCLOUDBG Bulgaria 62->111 113 185.141.63.85, 1074, 49727 BELCLOUDBG Bulgaria 62->113 file18 process19
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fdec386da63058475415d75ff5a0c1e94095cf3ca17ea25d542baf2d26f04fea/
Threat name:
ByteCode-MSIL.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-10-05 20:45:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
19 of 22 (86.36%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7xwdq3nggbmeovav25p7ligb5fajltz4uf7kexkufoxs2jxqj7va._file
Verdict:
malicious
Similar samples:
08dcd62ba2989e93c04ce28b5619d9aae32d1fa40ea8003eb85d211be9772089
Backdoor.TeamViewer
69ded352d815114251f0986f1f9d16702f1b33372c23fe8de2cd18ddab231e13
Backdoor.TeamViewer
88921dad96a51ff9f15a1d93b51910b2ac75589020fbb75956b6f090381d4d4f
Backdoor.TeamViewer
8be1d9004e4ffad4035fa973d6d6508835762adf097a7f4362039b11b5d41122
Backdoor.TeamViewer
903ee5d2fb1341754c10acba60faf45fdde7dec94b5c82e3d990a9e7a5a7cd7f
Backdoor.TeamViewer
9b914a04a6b4acb86915551f54a471fd3fc5edda4f8b948416db38808fa291bf
Backdoor.TeamViewer
ab1a8ab5aa1f5c62fa6f2027c9bc4ed91a30385ec847cf92226ae144493df35d
Backdoor.TeamViewer
d74686c87f0777d1e8c4fcc18b40fe3ce97d6e531e23b6665037e5599b72aa32
Backdoor.TeamViewer
+ 186 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:glupteba family:smokeloader family:xmrig botnet:pub2 botnet:up3 backdoor discovery dropper evasion loader miner persistence rootkit trojan
Link:
https://tria.ge/reports/231005-zjp5jafb8v/
Behaviour
Checks SCSI registry key(s)
Creates scheduled task(s)
Modifies data under HKEY_USERS
Modifies system certificate store
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: LoadsDriver
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
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
Adds Run key to start application
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Manipulates WinMon driver.
Manipulates WinMonFS driver.
Executes dropped EXE
Loads dropped DLL
Windows security modification
Drops file in Drivers directory
Modifies Windows Firewall
Possible attempt to disable PatchGuard
Stops running service(s)
Modifies boot configuration data using bcdedit
XMRig Miner payload
Glupteba
Glupteba payload
SmokeLoader
Suspicious use of NtCreateUserProcessOtherParentProcess
Windows security bypass
xmrig
Malware Config
C2 Extraction:
http://gudintas.at/tmp/
http://pik96.ru/tmp/
http://rosatiauto.com/tmp/
http://kingpirate.ru/tmp/
Unpacked files
SH256 hash:
d832d3be031602f645c4e39bd8987a8e783a6bad80d4f39659ead4585322cfc0
MD5 hash:
b6fddc8f25af4b751beee7e3922c73a4
SHA1 hash:
ac07f4fbbd0bdf5035956d27d18d108644e3f8aa
Link:
https://www.unpac.me/results/ed734006-8e36-470a-bff0-c7bdc1798f0b/
SH256 hash:
d1b71081d7ba414b589338329f278ba51c6ccf542d74f131f96c2337ee0a4c90
MD5 hash:
076ab7d1cc5150a5e9f8745cc5f5fb6c
SHA1 hash:
7b40783a27a38106e2cc91414f2bc4d8b484c578
Link:
https://www.unpac.me/results/ed734006-8e36-470a-bff0-c7bdc1798f0b/
Parent samples :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 hash:
86be1957ae3967782a3bf08a9b4965bb42b08aa36604d59c8148c0d2ac17c561
MD5 hash:
cad3606bbbc3e5c557a91f7ecdcef763
SHA1 hash:
1f32187a21e8323018f37b07909ec01928e8b2bc
Link:
https://www.unpac.me/results/ed734006-8e36-470a-bff0-c7bdc1798f0b/
SH256 hash:
ade96ebfb659fce7a506e6a94ae7f3078a4a462d946e6e978f04356c63ad97f9
MD5 hash:
09baf4aae4c6f0a1b79e1156dff9d003
SHA1 hash:
b06c6e7f0913b8e6242ddf9d3218963d4dc0b093
Link:
https://www.unpac.me/results/ed734006-8e36-470a-bff0-c7bdc1798f0b/
SH256 hash:
78efcbb0c6eb6a4c76c036adc65154b8ff028849f79d508e45babfb527cb7cfe
MD5 hash:
85b698363e74ba3c08fc16297ddc284e
SHA1 hash:
171cfea4a82a7365b241f16aebdb2aad29f4f7c0
Link:
https://www.unpac.me/results/ed734006-8e36-470a-bff0-c7bdc1798f0b/
SH256 hash:
4871b976de3d512306154ddc4c9505b84910f1101fa4404f634c36a464d26ddf
MD5 hash:
a51ed74cfbe1f1f6e2e2ffb8b7d9fdab
SHA1 hash:
0b9904042e3a3493d7cc14724bbac1addc5847d9
Link:
https://www.unpac.me/results/ed734006-8e36-470a-bff0-c7bdc1798f0b/
SH256 hash:
80b389e606f693d85c123d35c691a1798da93fcffad7b3772099475539dc5684
MD5 hash:
14149babdd9262af54c5e564b206d9b3
SHA1 hash:
7bcefcd5e9c7ac5bb8c732c3f11e7f25a5a0b14d
Link:
https://www.unpac.me/results/ed734006-8e36-470a-bff0-c7bdc1798f0b/
SH256 hash:
81277648c8431ecde6fdb269e2fb5a425bdc3003100b73a701a34abf544053bf
MD5 hash:
261830495b1cd25db817df8253b97002
SHA1 hash:
5be6fa53db459eeb12af5d106f61d81f7d1c039f
Link:
https://www.unpac.me/results/ed734006-8e36-470a-bff0-c7bdc1798f0b/
SH256 hash:
fdec386da63058475415d75ff5a0c1e94095cf3ca17ea25d542baf2d26f04fea
MD5 hash:
5619a2d76e86bd63d598f8118cf6fb59
SHA1 hash:
c2935688d4eb3b0d3337f84fe5eb699d5c15c196
Link:
https://www.unpac.me/results/ed734006-8e36-470a-bff0-c7bdc1798f0b/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fdec386da630/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fdec386da63058475415d75ff5a0c1e94095cf3ca17ea25d542baf2d26f04fea

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:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:MALWARE_Win_DLInjector04
Create hunting rule
Author:ditekSHen
Description:Detects downloader / injector
Rule name:msil_rc4
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:shortloader
Create hunting rule
Author:Nikos 'n0t' Totosis
Description:ShortLoader 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.

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
  
URLhaus
https://urlhaus.abuse.ch/url/2717230/

Comments