tinba | bd28276fd9ef4bddb3075cdf8453aed9f78da4e2713d5078bb001919f25919e8

Analysis

max time kernel
119s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-01-2025 05:54

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General

Target

bd28276fd9ef4bddb3075cdf8453aed9f78da4e2713d5078bb001919f25919e8.exe
Size

238KB
MD5

1f7fb7aa37910d6f38dfeb32e60a148d
SHA1

346e0a34ac874245db7f588f6865ab4d9cef5238
SHA256

bd28276fd9ef4bddb3075cdf8453aed9f78da4e2713d5078bb001919f25919e8
SHA512

e9450331f8d7253b1be4b57c463322ae58136c00530198a4169e7cfaec7307d50d164062f291892eb2d7473985e60f4b7370f3d771d22733c1956ac4a9d063e7
SSDEEP

6144:xmkLu0Aq9r8q7XMaC4+yPY7HLgZl3MovMfCp5Cj:EkLsq9r8q7Xp27rk3Moe

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\1C035992 = "C:\\Users\\Admin\\AppData\\Roaming\\1C035992\\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	bd28276fd9ef4bddb3075cdf8453aed9f78da4e2713d5078bb001919f25919e8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 59 IoCs

pid	Process
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe
1632	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1632	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 1632	2988	bd28276fd9ef4bddb3075cdf8453aed9f78da4e2713d5078bb001919f25919e8.exe	30
PID 2988 wrote to memory of 1632	2988	bd28276fd9ef4bddb3075cdf8453aed9f78da4e2713d5078bb001919f25919e8.exe	30
PID 2988 wrote to memory of 1632	2988	bd28276fd9ef4bddb3075cdf8453aed9f78da4e2713d5078bb001919f25919e8.exe	30
PID 2988 wrote to memory of 1632	2988	bd28276fd9ef4bddb3075cdf8453aed9f78da4e2713d5078bb001919f25919e8.exe	30
PID 2988 wrote to memory of 1632	2988	bd28276fd9ef4bddb3075cdf8453aed9f78da4e2713d5078bb001919f25919e8.exe	30
PID 1632 wrote to memory of 1192	1632	winver.exe	21
PID 1632 wrote to memory of 1116	1632	winver.exe	19
PID 1632 wrote to memory of 1164	1632	winver.exe	20
PID 1632 wrote to memory of 1192	1632	winver.exe	21
PID 1632 wrote to memory of 1236	1632	winver.exe	23
PID 1632 wrote to memory of 2988	1632	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\bd28276fd9ef4bddb3075cdf8453aed9f78da4e2713d5078bb001919f25919e8.exe
  "C:\Users\Admin\AppData\Local\Temp\bd28276fd9ef4bddb3075cdf8453aed9f78da4e2713d5078bb001919f25919e8.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2988
- - 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:1632

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1236

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/1116-30-0x0000000001FB0000-0x0000000001FB7000-memory.dmp

Filesize
28KB

Download
memory/1116-13-0x0000000001FB0000-0x0000000001FB7000-memory.dmp

Filesize
28KB

Download
memory/1164-16-0x0000000001EA0000-0x0000000001EA7000-memory.dmp

Filesize
28KB

Download
memory/1164-28-0x0000000001EA0000-0x0000000001EA7000-memory.dmp

Filesize
28KB

Download
memory/1192-7-0x0000000002C10000-0x0000000002C17000-memory.dmp

Filesize
28KB

Download
memory/1192-10-0x0000000002C10000-0x0000000002C17000-memory.dmp

Filesize
28KB

Download
memory/1192-5-0x0000000002C10000-0x0000000002C17000-memory.dmp

Filesize
28KB

Download
memory/1192-19-0x0000000002C20000-0x0000000002C27000-memory.dmp

Filesize
28KB

Download
memory/1192-29-0x0000000002C20000-0x0000000002C27000-memory.dmp

Filesize
28KB

Download
memory/1236-22-0x0000000000310000-0x0000000000317000-memory.dmp

Filesize
28KB

Download
memory/1236-31-0x0000000000310000-0x0000000000317000-memory.dmp

Filesize
28KB

Download
memory/1632-8-0x0000000000540000-0x0000000000547000-memory.dmp

Filesize
28KB

Download
memory/2988-26-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2988-1-0x0000000000500000-0x0000000000501000-memory.dmp

Filesize
4KB

Download
memory/2988-3-0x0000000000500000-0x0000000000501000-memory.dmp

Filesize
4KB

Download
memory/2988-2-0x00000000021A0000-0x0000000002320000-memory.dmp

Filesize
1.5MB

Download
memory/2988-0-0x00000000021A0000-0x0000000002320000-memory.dmp

Filesize
1.5MB

Download