MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4237ec4fb86ccec2ee6f9ce1f9073aa92d2bce2c4839a9247607998727b4110. 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



Tinba


Vendor detections: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: a4237ec4fb86ccec2ee6f9ce1f9073aa92d2bce2c4839a9247607998727b4110
SHA3-384 hash: 42190bfc37de7c7d034f500da2c4d80028a55dee4431854f1f3cb2e3f2986ef8db79076e6447446550c4e80b1afcbb0d
SHA1 hash: 15022e3d25a96d7454d433d4339662c3bc66f24a
MD5 hash: 22797a1fd000464054365ed179f4c2ab
humanhash: hydrogen-oven-fruit-north
File name:a4237ec4fb86ccec2ee6f9ce1f9073aa92d2bce2c4839a9247607998727b4110
Download: download sample
Signature Tinba
File size:1'048'576 bytes
First seen:2021-08-30 06:15:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d8e139e0f88ebfd29de489053d171e83 (62 x Tinba)
ssdeep 1536:MKMxrpM6t6n4+DLGgh3aOe5idSQmwzqnwqjhurmKFct:3e64+XGEKFRxwGjAqGct
Threatray 165 similar samples on MalwareBazaar
TLSH T197252972E205E48BE917D4F6991ADC3124A33DBC98A0495E32E97F9D58B3AD30445F0F
dhash icon 9288ce8c2a868f92 (89 x Tinba, 7 x AsyncRAT, 6 x Dridex)
Reporter JAMESWT_WT
Tags:exe Tinba

Intelligence


File Origin
# of uploads :
1
# of downloads :
762
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file in the %AppData% subdirectories
DNS request
Connection attempt
Sending an HTTP POST request
Connection attempt to an infection source
Sending a UDP request
Setting browser functions hooks
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Unauthorized injection to a system process
Unauthorized injection to a browser process
Sending an HTTP POST request to an infection source
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to inject threads in other processes
Creates a thread in another existing process (thread injection)
Creates autostart registry keys with suspicious names
Detected unpacking (changes PE section rights)
Hooks files or directories query functions (used to hide files and directories)
Hooks registry keys query functions (used to hide registry keys)
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Svchost Process
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 474578 Sample: u37DQa0CHD Startdate: 31/08/2021 Architecture: WINDOWS Score: 100 41 vcklmnnejwxx.pw 2->41 43 uyhgqunqkxnx.pw 2->43 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Multi AV Scanner detection for domain / URL 2->53 55 Antivirus / Scanner detection for submitted sample 2->55 57 7 other signatures 2->57 10 u37DQa0CHD.exe 1 2->10         started        signatures3 process4 signatures5 65 Detected unpacking (changes PE section rights) 10->65 67 Writes to foreign memory regions 10->67 13 winver.exe 1 4 10->13         started        18 conhost.exe 10->18         started        process6 dnsIp7 49 spaines.pw 216.218.185.162, 49706, 49714, 49720 HURRICANEUS United States 13->49 39 C:\Users\user\AppData\Roaming\...\bin.exe, PE32 13->39 dropped 75 Creates autostart registry keys with suspicious names 13->75 77 Contains functionality to inject threads in other processes 13->77 79 Injects code into the Windows Explorer (explorer.exe) 13->79 81 4 other signatures 13->81 20 explorer.exe 3 13->20 injected 23 svchost.exe 13->23 injected 26 sihost.exe 13->26 injected 28 12 other processes 13->28 file8 signatures9 process10 dnsIp11 59 Contains functionality to inject threads in other processes 20->59 61 Writes to foreign memory regions 20->61 63 Creates a thread in another existing process (thread injection) 20->63 30 bin.exe 1 20->30         started        33 bin.exe 1 20->33         started        45 23.203.67.116, 443, 49678 AKAMAI-ASUS United States 23->45 47 23.203.69.124, 49679, 80 AKAMAI-ASUS United States 23->47 signatures12 process13 signatures14 69 Antivirus detection for dropped file 30->69 71 Detected unpacking (changes PE section rights) 30->71 73 Machine Learning detection for dropped file 30->73 35 conhost.exe 30->35         started        37 conhost.exe 33->37         started        process15
Threat name:
Win32.Downloader.Dofoil
Status:
Malicious
First seen:
2021-08-20 10:50:48 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
39 of 46 (84.78%)
Threat level:
  3/5
Result
Malware family:
Score:
  10/10
Tags:
family:tinba banker persistence trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
Tinba / TinyBanker
Unpacked files
SH256 hash:
2b5c5207c9a8cf676922307958ec31d2da9c02b7c9721aa0d506bcb3f16ff689
MD5 hash:
2fba00bd0adf27c015d59d54c5309916
SHA1 hash:
fee2310aeecea7c606a75b9ccce0363bde314813
SH256 hash:
a4237ec4fb86ccec2ee6f9ce1f9073aa92d2bce2c4839a9247607998727b4110
MD5 hash:
22797a1fd000464054365ed179f4c2ab
SHA1 hash:
15022e3d25a96d7454d433d4339662c3bc66f24a
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Comments