tinba | 6b4c044a20b65bd1a83996ed153dd5a39a9fb3ff4373242786f2a5f9333b166e

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 07:55

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General

Target

6b4c044a20b65bd1a83996ed153dd5a39a9fb3ff4373242786f2a5f9333b166e.exe
Size

610KB
MD5

d2a131f0a6eaecca9af39478715d1e58
SHA1

f77e10d0fd404a7a44fa2c088748e3d8a3909ae3
SHA256

6b4c044a20b65bd1a83996ed153dd5a39a9fb3ff4373242786f2a5f9333b166e
SHA512

e38ef9a707b06e41ccd8d66de971c955e34c5194fcd24dbcfdb3eec478b3c3426d5477902b83bb1e1bb3126a33c03c5db965269642d1b91a8cb4607f8d3f4342
SSDEEP

12288:XATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:dT+KjUdQqboyyWoK1NGqzuhr

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\25A9B598 = "C:\\Users\\Admin\\AppData\\Roaming\\25A9B598\\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	6b4c044a20b65bd1a83996ed153dd5a39a9fb3ff4373242786f2a5f9333b166e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe
2764	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2764	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2764	3012	6b4c044a20b65bd1a83996ed153dd5a39a9fb3ff4373242786f2a5f9333b166e.exe	31
PID 3012 wrote to memory of 2764	3012	6b4c044a20b65bd1a83996ed153dd5a39a9fb3ff4373242786f2a5f9333b166e.exe	31
PID 3012 wrote to memory of 2764	3012	6b4c044a20b65bd1a83996ed153dd5a39a9fb3ff4373242786f2a5f9333b166e.exe	31
PID 3012 wrote to memory of 2764	3012	6b4c044a20b65bd1a83996ed153dd5a39a9fb3ff4373242786f2a5f9333b166e.exe	31
PID 3012 wrote to memory of 2764	3012	6b4c044a20b65bd1a83996ed153dd5a39a9fb3ff4373242786f2a5f9333b166e.exe	31
PID 2764 wrote to memory of 1220	2764	winver.exe	21
PID 2764 wrote to memory of 1120	2764	winver.exe	19
PID 2764 wrote to memory of 1176	2764	winver.exe	20
PID 2764 wrote to memory of 1220	2764	winver.exe	21
PID 2764 wrote to memory of 1104	2764	winver.exe	23
PID 2764 wrote to memory of 3012	2764	winver.exe	30

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1220
- C:\Users\Admin\AppData\Local\Temp\6b4c044a20b65bd1a83996ed153dd5a39a9fb3ff4373242786f2a5f9333b166e.exe
  "C:\Users\Admin\AppData\Local\Temp\6b4c044a20b65bd1a83996ed153dd5a39a9fb3ff4373242786f2a5f9333b166e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3012
- - 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:2764

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1104

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/1104-18-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/1104-28-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/1120-29-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1120-9-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1176-26-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1176-12-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1220-6-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1220-15-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1220-1-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1220-3-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1220-27-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/2764-23-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2764-4-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2764-31-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/3012-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download