MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4e829917aed647a2de16f331bc71b4b847a8172892ef097f845039f6fac2d5c. 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: 10


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

SHA256 hash: c4e829917aed647a2de16f331bc71b4b847a8172892ef097f845039f6fac2d5c
SHA3-384 hash: 54c1803989600f550f7cf119e31e6750462f6730f11268f04e4594457ac5beda817442349152f4edba992ebf5a13be45
SHA1 hash: 1d46cc42c02ec17482ea821b7bebe68c61844542
MD5 hash: a59978a54fc1323fd2fbf3692c6363cd
humanhash: butter-burger-sodium-moon
File name:file
Download: download sample
Signature Backdoor.TeamViewer
Create hunting rule
File size:3'245'520 bytes
First seen:2023-10-30 18:33:36 UTC
Last seen:2023-10-30 20:32:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'518 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 98304:tBwPOxT6hvALHQAhueBRV6Nb/OvgSJebhpg:jw6OvA8AueB4NSJebDg
Threatray 109 similar samples on MalwareBazaar
TLSH T139E53388E67531F9C33188BEC96F0412416F7FBCAD356C49F87CB9A88EBB1955402366
TrID 59.4% (.EXE) Inno Setup installer (109740/4/30)
22.5% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
7.6% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
2.4% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 7ffcf492d2e0fc7f (1 x Backdoor.TeamViewer)
Reporter jstrosch
Tags:Backdoor.TeamViewer exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
344
Origin country :
US US
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/457166/
Detection(s):
SecuriteInfo.com.FileRepMalware.7939.23216.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for the window
Searching for synchronization primitives
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Launching a process
Modifying a system file
Creating a file
Creating a service
Enabling autorun for a service
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control greyware installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/653ff72272356e4f29e949c8/reports/7f82e722-cafd-4ad7-998f-4a9e969933f9/overview
Verdict:
Suspicious
Labled as:
HEUR/AGEN.1332570
Link:
https://www.hybrid-analysis.com/sample/c4e829917aed647a2de16f331bc71b4b847a8172892ef097f845039f6fac2d5c
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c21c2626-adf9-4d18-bd6b-366e06a3c23b
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1334452
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to infect the boot sector
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found API chain indicative of debugger detection
Machine Learning detection for dropped file
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1334452 Sample: file.exe Startdate: 30/10/2023 Architecture: WINDOWS Score: 96 39 Antivirus detection for URL or domain 2->39 41 Antivirus detection for dropped file 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 5 other signatures 2->45 8 file.exe 2 2->8         started        process3 file4 25 C:\Users\user\AppData\Local\Temp\...\file.tmp, PE32 8->25 dropped 11 file.tmp 16 27 8->11         started        process5 file6 27 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 11->27 dropped 29 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 11->29 dropped 31 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 11->31 dropped 33 15 other files (13 malicious) 11->33 dropped 47 Uses schtasks.exe or at.exe to add and modify task schedules 11->47 15 KAudioConverter.exe 1 3 11->15         started        18 KAudioConverter.exe 1 15 11->18         started        21 schtasks.exe 1 11->21         started        signatures7 process8 dnsIp9 35 C:\ProgramData\...\Video Fetcher.exe, PE32 15->35 dropped 37 ehicore.ua 185.141.63.172, 49716, 49717, 49718 BELCLOUDBG Bulgaria 18->37 23 conhost.exe 21->23         started        file10 process11
Score:
63%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/c4e829917aed647a2de16f331bc71b4b847a8172892ef097f845039f6fac2d5c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c4e829917aed647a2de16f331bc71b4b847a8172892ef097f845039f6fac2d5c/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ytuctel25vshulpbn4zrxry3jochvalsrexpbf7yiubz635mfvoa._file
Verdict:
malicious
Similar samples:
00d26d8524ce924c37cbccc10d05f829b39c03037ce1b3e4d5d265d8c2993b26
Backdoor.TeamViewer
20ea338af45c4221e0ac33de59e84a3cf0d0eed2f609fbad4d3227f5131de0e2
Backdoor.TeamViewer
3ff3e11128ead9eca87a33ac9bc9453cb8450212c0a002bd464243188a3d2f03
Backdoor.TeamViewer
94f90d551dfd3fc18c3fc5dd7c4b279b2ebc71bbb2df9619731fc1a796c8173a
Backdoor.TeamViewer
a94c46db65430f4dfd0f41a6c054733038c26b11b584f8bb622d9553df129d2b
Backdoor.TeamViewer
b98bf14f443ca064cd02bb82354743bcc4ac70a57a66ada9d058bb3bb201b9a1
Backdoor.TeamViewer
f14a2ea59f53b770192ee6e9b6f0c0c9ef614d53411aca619194490f16f1dabd
Backdoor.TeamViewer
+ 99 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/231030-w7rrgsee9v/
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Checks installed software on the system
Executes dropped EXE
Loads dropped DLL
Unexpected DNS network traffic destination
Unpacked files
SH256 hash:
5ea8ca63d5f6ec5b286a5dc4805a01816706e20de47621b58c4ccaa344bcc6b0
MD5 hash:
cb04440f8c225d36b84eacec5042e81e
SHA1 hash:
fe9ab63826a60e93b0aa02c4b6ad2f93621244a6
Link:
https://www.unpac.me/results/4762e995-fb16-4cf5-8315-5357a2d1dafb/
SH256 hash:
85cb3e01862ced09a23f8a4c66395d158f1783b6910ebf7a353224e43a436ae3
MD5 hash:
410a085c87131b04fcd694bf46407828
SHA1 hash:
63e139a5da721bc6ead5e2f880af3557456d8377
Link:
https://www.unpac.me/results/4762e995-fb16-4cf5-8315-5357a2d1dafb/
SH256 hash:
67fc1edd2adc49516b9a0d25e49fc53a2c2ec97b53d13c60eeda76a219244366
MD5 hash:
20a34c1d79cf4ab33c502ab1117f0125
SHA1 hash:
6f5e7a94f2136dbbae295e57f577e017cf0137c1
Link:
https://www.unpac.me/results/4762e995-fb16-4cf5-8315-5357a2d1dafb/
SH256 hash:
0fbb558534457450396bead44a7066a8eecb82830ac368d5bf5f140e40ae736d
MD5 hash:
efbfa2a8ece765c237bce1cf79fddfd5
SHA1 hash:
54ec74f6d8bbca4d590494896311f0965c7457bc
Link:
https://www.unpac.me/results/4762e995-fb16-4cf5-8315-5357a2d1dafb/
SH256 hash:
50a45cb9c30bd0824e0b0e82a211f30c8af6581aa70f2ad547d0dc75b6ce426d
MD5 hash:
7371b1636a80a1ff6004c4b11179bc5f
SHA1 hash:
30f71e843ae20416cbf2abc3f245c7260daee36c
Link:
https://www.unpac.me/results/4762e995-fb16-4cf5-8315-5357a2d1dafb/
SH256 hash:
c4e829917aed647a2de16f331bc71b4b847a8172892ef097f845039f6fac2d5c
MD5 hash:
a59978a54fc1323fd2fbf3692c6363cd
SHA1 hash:
1d46cc42c02ec17482ea821b7bebe68c61844542
Link:
https://www.unpac.me/results/4762e995-fb16-4cf5-8315-5357a2d1dafb/
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/c4e829917aed647a2de16f331bc71b4b847a8172892ef097f845039f6fac2d5c

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

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 c4e829917aed647a2de16f331bc71b4b847a8172892ef097f845039f6fac2d5c

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/457166/

Comments