tinba | 2d8c68a7931e2f75d11ea87a6a944cf170265d0a08f9a04b728bfc9920999077

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 20:55

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General

Target

2d8c68a7931e2f75d11ea87a6a944cf170265d0a08f9a04b728bfc9920999077.exe
Size

610KB
MD5

f88a511b24b10d119d38a1e762ba9113
SHA1

6f3b62166726683cb36cb65173f809de85483dce
SHA256

2d8c68a7931e2f75d11ea87a6a944cf170265d0a08f9a04b728bfc9920999077
SHA512

30f0602fffe999095490e4dafc82797c3f8395227166b3f47e98cbea3e22bc5b40c388bf40b6ac2c64d46d19f5b4deee9fafee4b03ab2c11d639b875d3494e4f
SSDEEP

12288:cATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:yT+KjUdQqboyyWoK1NGqzuhh

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\1C44A910 = "C:\\Users\\Admin\\AppData\\Roaming\\1C44A910\\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	2d8c68a7931e2f75d11ea87a6a944cf170265d0a08f9a04b728bfc9920999077.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe
2860	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2860	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2860	2092	2d8c68a7931e2f75d11ea87a6a944cf170265d0a08f9a04b728bfc9920999077.exe	31
PID 2092 wrote to memory of 2860	2092	2d8c68a7931e2f75d11ea87a6a944cf170265d0a08f9a04b728bfc9920999077.exe	31
PID 2092 wrote to memory of 2860	2092	2d8c68a7931e2f75d11ea87a6a944cf170265d0a08f9a04b728bfc9920999077.exe	31
PID 2092 wrote to memory of 2860	2092	2d8c68a7931e2f75d11ea87a6a944cf170265d0a08f9a04b728bfc9920999077.exe	31
PID 2092 wrote to memory of 2860	2092	2d8c68a7931e2f75d11ea87a6a944cf170265d0a08f9a04b728bfc9920999077.exe	31
PID 2860 wrote to memory of 1196	2860	winver.exe	21
PID 2860 wrote to memory of 1100	2860	winver.exe	19
PID 2860 wrote to memory of 1160	2860	winver.exe	20
PID 2860 wrote to memory of 1196	2860	winver.exe	21
PID 2860 wrote to memory of 1208	2860	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\2d8c68a7931e2f75d11ea87a6a944cf170265d0a08f9a04b728bfc9920999077.exe
  "C:\Users\Admin\AppData\Local\Temp\2d8c68a7931e2f75d11ea87a6a944cf170265d0a08f9a04b728bfc9920999077.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2092
- - 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:2860

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1208

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/1100-24-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1100-11-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1160-14-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1160-26-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1196-17-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1196-1-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1196-6-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1196-25-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1208-20-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/1208-27-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/2092-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2860-23-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/2860-4-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2860-29-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download