tinba | fe9d65c75f4acaaa08b176ebba8b8df5640ae0d42e8e4a11aa70baf3f7c603f4

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
09-10-2024 05:11

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General

Target

fe9d65c75f4acaaa08b176ebba8b8df5640ae0d42e8e4a11aa70baf3f7c603f4.exe
Size

610KB
MD5

63b2109b00181ce207d51c457c4f962a
SHA1

6aacc7d58a29b93bfbc68b3290b122e482058e82
SHA256

fe9d65c75f4acaaa08b176ebba8b8df5640ae0d42e8e4a11aa70baf3f7c603f4
SHA512

7d810adec40c0d527e0f97c211e821168ec4aba89e0b85b1c25fa620a20a167462daa5a56fa7795eee83aec99947d5ff5a5c2d14f7de942e1ff493c444af0906
SSDEEP

12288:2ATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:IT+KjUdQqboyyWoK1NGqzuhb

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

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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\A362AEB0 = "C:\\Users\\Admin\\AppData\\Roaming\\A362AEB0\\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	fe9d65c75f4acaaa08b176ebba8b8df5640ae0d42e8e4a11aa70baf3f7c603f4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe
2864	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2864	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 2864	2476	fe9d65c75f4acaaa08b176ebba8b8df5640ae0d42e8e4a11aa70baf3f7c603f4.exe	31
PID 2476 wrote to memory of 2864	2476	fe9d65c75f4acaaa08b176ebba8b8df5640ae0d42e8e4a11aa70baf3f7c603f4.exe	31
PID 2476 wrote to memory of 2864	2476	fe9d65c75f4acaaa08b176ebba8b8df5640ae0d42e8e4a11aa70baf3f7c603f4.exe	31
PID 2476 wrote to memory of 2864	2476	fe9d65c75f4acaaa08b176ebba8b8df5640ae0d42e8e4a11aa70baf3f7c603f4.exe	31
PID 2476 wrote to memory of 2864	2476	fe9d65c75f4acaaa08b176ebba8b8df5640ae0d42e8e4a11aa70baf3f7c603f4.exe	31
PID 2864 wrote to memory of 1200	2864	winver.exe	21
PID 2864 wrote to memory of 1112	2864	winver.exe	19
PID 2864 wrote to memory of 1164	2864	winver.exe	20
PID 2864 wrote to memory of 1200	2864	winver.exe	21
PID 2864 wrote to memory of 336	2864	winver.exe	25
PID 2864 wrote to memory of 2476	2864	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\fe9d65c75f4acaaa08b176ebba8b8df5640ae0d42e8e4a11aa70baf3f7c603f4.exe
  "C:\Users\Admin\AppData\Local\Temp\fe9d65c75f4acaaa08b176ebba8b8df5640ae0d42e8e4a11aa70baf3f7c603f4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2476
- - 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:2864

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:336

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/336-28-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/336-18-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1112-29-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1112-9-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1164-12-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1164-26-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1200-1-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/1200-15-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/1200-6-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/1200-27-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/2476-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2864-23-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2864-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2864-31-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download