tinba | 23448590187355c378a032145a230f65fddb9b7a8e47b2d27232b1334f93ee0e

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-01-2025 13:58

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General

Target

23448590187355c378a032145a230f65fddb9b7a8e47b2d27232b1334f93ee0eN.exe
Size

238KB
MD5

e4a2b065058f4233377723862baeaac0
SHA1

c95b4af5da323708087322d7257b71842003d43b
SHA256

23448590187355c378a032145a230f65fddb9b7a8e47b2d27232b1334f93ee0e
SHA512

9f8275db0bffa00006d1a377ca3e8d34dfc7fa9bc163523580ead9c9ca63d7921e158276e5818f06ea89f550a90fdd7cfb7fda74c3b56e87abf3a5366aa4eb69
SSDEEP

6144:xmkLu0Aq9r8q7XMaC4+yPY7HLgZl3MovMfCp5CR:EkLsq9r8q7Xp27rk3Moa

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\A3E84C74 = "C:\\Users\\Admin\\AppData\\Roaming\\A3E84C74\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	23448590187355c378a032145a230f65fddb9b7a8e47b2d27232b1334f93ee0eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 59 IoCs

pid	Process
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe
2212	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2212	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 2212	2816	23448590187355c378a032145a230f65fddb9b7a8e47b2d27232b1334f93ee0eN.exe	30
PID 2816 wrote to memory of 2212	2816	23448590187355c378a032145a230f65fddb9b7a8e47b2d27232b1334f93ee0eN.exe	30
PID 2816 wrote to memory of 2212	2816	23448590187355c378a032145a230f65fddb9b7a8e47b2d27232b1334f93ee0eN.exe	30
PID 2816 wrote to memory of 2212	2816	23448590187355c378a032145a230f65fddb9b7a8e47b2d27232b1334f93ee0eN.exe	30
PID 2816 wrote to memory of 2212	2816	23448590187355c378a032145a230f65fddb9b7a8e47b2d27232b1334f93ee0eN.exe	30
PID 2212 wrote to memory of 1100	2212	winver.exe	19
PID 2212 wrote to memory of 1048	2212	winver.exe	17
PID 2212 wrote to memory of 1092	2212	winver.exe	18
PID 2212 wrote to memory of 1100	2212	winver.exe	19
PID 2212 wrote to memory of 1556	2212	winver.exe	25
PID 2212 wrote to memory of 2816	2212	winver.exe	29

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1048

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1092

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1100
- C:\Users\Admin\AppData\Local\Temp\23448590187355c378a032145a230f65fddb9b7a8e47b2d27232b1334f93ee0eN.exe
  "C:\Users\Admin\AppData\Local\Temp\23448590187355c378a032145a230f65fddb9b7a8e47b2d27232b1334f93ee0eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2816
- - 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:2212

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1556

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 Information Discovery

T1082

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/1048-13-0x00000000001C0000-0x00000000001C7000-memory.dmp

Filesize
28KB

Download
memory/1048-32-0x00000000001C0000-0x00000000001C7000-memory.dmp

Filesize
28KB

Download
memory/1092-16-0x00000000002D0000-0x00000000002D7000-memory.dmp

Filesize
28KB

Download
memory/1092-33-0x00000000002D0000-0x00000000002D7000-memory.dmp

Filesize
28KB

Download
memory/1100-10-0x0000000002D70000-0x0000000002D77000-memory.dmp

Filesize
28KB

Download
memory/1100-7-0x0000000002D70000-0x0000000002D77000-memory.dmp

Filesize
28KB

Download
memory/1100-6-0x0000000002D70000-0x0000000002D77000-memory.dmp

Filesize
28KB

Download
memory/1100-31-0x0000000002D80000-0x0000000002D87000-memory.dmp

Filesize
28KB

Download
memory/1100-19-0x0000000002D80000-0x0000000002D87000-memory.dmp

Filesize
28KB

Download
memory/1556-30-0x0000000002300000-0x0000000002307000-memory.dmp

Filesize
28KB

Download
memory/1556-22-0x0000000002300000-0x0000000002307000-memory.dmp

Filesize
28KB

Download
memory/2212-8-0x00000000001A0000-0x00000000001A7000-memory.dmp

Filesize
28KB

Download
memory/2816-25-0x0000000000050000-0x0000000000057000-memory.dmp

Filesize
28KB

Download
memory/2816-28-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2816-0-0x00000000021A0000-0x0000000002320000-memory.dmp

Filesize
1.5MB

Download
memory/2816-3-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2816-1-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2816-2-0x00000000021A0000-0x0000000002320000-memory.dmp

Filesize
1.5MB

Download