tinba | d4936ad4aedf4903da253250e7418b153dc57752eaef3b3e3e702bd8dc7937f2

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
06-12-2024 07:25

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General

Target

d4936ad4aedf4903da253250e7418b153dc57752eaef3b3e3e702bd8dc7937f2.exe
Size

59KB
MD5

d17e08e14e101184bd81e7675a77882e
SHA1

cd6586cd069cb713bae2a5d16be7343734e33c9b
SHA256

d4936ad4aedf4903da253250e7418b153dc57752eaef3b3e3e702bd8dc7937f2
SHA512

3b474ca392719d660fdb98e7ae1542a2cdff28d453db8b782ee78496baa94a874082619f8d8175ec7c14e39903a731461ce3bd718d9c60e8ade556931e0d32e9
SSDEEP

768:w+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9Jl:w+mFM2HXKZgiFP7xIksu+XM5O9Jl

Score

10^/10

tinba banker discovery persistence trojan

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba
Tinba family
tinba

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\57B7B61C = "C:\\Users\\Admin\\AppData\\Roaming\\57B7B61C\\bin.exe"	winver.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d4936ad4aedf4903da253250e7418b153dc57752eaef3b3e3e702bd8dc7937f2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe
2512	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2512	winver.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 2512	1776	d4936ad4aedf4903da253250e7418b153dc57752eaef3b3e3e702bd8dc7937f2.exe	31
PID 1776 wrote to memory of 2512	1776	d4936ad4aedf4903da253250e7418b153dc57752eaef3b3e3e702bd8dc7937f2.exe	31
PID 1776 wrote to memory of 2512	1776	d4936ad4aedf4903da253250e7418b153dc57752eaef3b3e3e702bd8dc7937f2.exe	31
PID 1776 wrote to memory of 2512	1776	d4936ad4aedf4903da253250e7418b153dc57752eaef3b3e3e702bd8dc7937f2.exe	31
PID 1776 wrote to memory of 2512	1776	d4936ad4aedf4903da253250e7418b153dc57752eaef3b3e3e702bd8dc7937f2.exe	31
PID 2512 wrote to memory of 1100	2512	winver.exe	20
PID 2512 wrote to memory of 1040	2512	winver.exe	17
PID 2512 wrote to memory of 1068	2512	winver.exe	18
PID 2512 wrote to memory of 1100	2512	winver.exe	20

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1040

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1068

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1100
- C:\Users\Admin\AppData\Local\Temp\d4936ad4aedf4903da253250e7418b153dc57752eaef3b3e3e702bd8dc7937f2.exe
  "C:\Users\Admin\AppData\Local\Temp\d4936ad4aedf4903da253250e7418b153dc57752eaef3b3e3e702bd8dc7937f2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1776
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1040-23-0x0000000077261000-0x0000000077262000-memory.dmp

Filesize
4KB

Download
memory/1040-22-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1068-24-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/1068-19-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/1100-1-0x0000000002B30000-0x0000000002B36000-memory.dmp

Filesize
24KB

Download
memory/1100-2-0x0000000002B30000-0x0000000002B36000-memory.dmp

Filesize
24KB

Download
memory/1100-9-0x0000000077261000-0x0000000077262000-memory.dmp

Filesize
4KB

Download
memory/1100-26-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1100-3-0x0000000002B30000-0x0000000002B36000-memory.dmp

Filesize
24KB

Download
memory/1100-21-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1776-4-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/1776-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1776-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1776-12-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2512-5-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/2512-6-0x0000000077410000-0x0000000077411000-memory.dmp

Filesize
4KB

Download
memory/2512-7-0x000000007740F000-0x0000000077410000-memory.dmp

Filesize
4KB

Download
memory/2512-8-0x000000007740F000-0x0000000077411000-memory.dmp

Filesize
8KB

Download
memory/2512-25-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/2512-10-0x0000000077210000-0x00000000773B9000-memory.dmp

Filesize
1.7MB

Download
memory/2512-30-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download