tinba | b332b6c2945a68b9a5f9f3ece9580b20055f8fd144e55415a70cb333b37aac7e

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
24/02/2025, 13:27

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General

Target

b332b6c2945a68b9a5f9f3ece9580b20055f8fd144e55415a70cb333b37aac7e.exe
Size

54KB
MD5

3e4f5925ab8cff3cf37c5fd7d7b14873
SHA1

83f334dc9c53015bd335f8aba36f5381daafccc2
SHA256

b332b6c2945a68b9a5f9f3ece9580b20055f8fd144e55415a70cb333b37aac7e
SHA512

ce481598398c6b82a7314b0d09532686096715c9d83379f2a98e97c587f5a1d1fb0196baefbdca0b66d32ec3b7941caf964b8bf8153af8528f15b4dbbaee19de
SSDEEP

768:W3CCRtWM5usSRJDTlLTOpJiqRZNoCRtxihG1gfFNsHWP4jBC:O5tPusSRJDTlLTOpJiaDjts4gfFi2+g

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\588CC735 = "C:\\Users\\Admin\\AppData\\Roaming\\588CC735\\bin.exe"	winver.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 976 set thread context of 3040	976	b332b6c2945a68b9a5f9f3ece9580b20055f8fd144e55415a70cb333b37aac7e.exe	31

System Location Discovery: System Language Discovery 1 TTPs 3 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	b332b6c2945a68b9a5f9f3ece9580b20055f8fd144e55415a70cb333b37aac7e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b332b6c2945a68b9a5f9f3ece9580b20055f8fd144e55415a70cb333b37aac7e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe
3052	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3052	winver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
976	b332b6c2945a68b9a5f9f3ece9580b20055f8fd144e55415a70cb333b37aac7e.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 976 wrote to memory of 3040	976	b332b6c2945a68b9a5f9f3ece9580b20055f8fd144e55415a70cb333b37aac7e.exe	31
PID 976 wrote to memory of 3040	976	b332b6c2945a68b9a5f9f3ece9580b20055f8fd144e55415a70cb333b37aac7e.exe	31
PID 976 wrote to memory of 3040	976	b332b6c2945a68b9a5f9f3ece9580b20055f8fd144e55415a70cb333b37aac7e.exe	31
PID 976 wrote to memory of 3040	976	b332b6c2945a68b9a5f9f3ece9580b20055f8fd144e55415a70cb333b37aac7e.exe	31
PID 976 wrote to memory of 3040	976	b332b6c2945a68b9a5f9f3ece9580b20055f8fd144e55415a70cb333b37aac7e.exe	31
PID 976 wrote to memory of 3040	976	b332b6c2945a68b9a5f9f3ece9580b20055f8fd144e55415a70cb333b37aac7e.exe	31
PID 976 wrote to memory of 3040	976	b332b6c2945a68b9a5f9f3ece9580b20055f8fd144e55415a70cb333b37aac7e.exe	31
PID 3040 wrote to memory of 3052	3040	b332b6c2945a68b9a5f9f3ece9580b20055f8fd144e55415a70cb333b37aac7e.exe	32
PID 3040 wrote to memory of 3052	3040	b332b6c2945a68b9a5f9f3ece9580b20055f8fd144e55415a70cb333b37aac7e.exe	32
PID 3040 wrote to memory of 3052	3040	b332b6c2945a68b9a5f9f3ece9580b20055f8fd144e55415a70cb333b37aac7e.exe	32
PID 3040 wrote to memory of 3052	3040	b332b6c2945a68b9a5f9f3ece9580b20055f8fd144e55415a70cb333b37aac7e.exe	32
PID 3040 wrote to memory of 3052	3040	b332b6c2945a68b9a5f9f3ece9580b20055f8fd144e55415a70cb333b37aac7e.exe	32
PID 3052 wrote to memory of 1224	3052	winver.exe	21
PID 3052 wrote to memory of 1104	3052	winver.exe	19
PID 3052 wrote to memory of 1172	3052	winver.exe	20
PID 3052 wrote to memory of 1224	3052	winver.exe	21
PID 3052 wrote to memory of 1764	3052	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1224
- C:\Users\Admin\AppData\Local\Temp\b332b6c2945a68b9a5f9f3ece9580b20055f8fd144e55415a70cb333b37aac7e.exe
  "C:\Users\Admin\AppData\Local\Temp\b332b6c2945a68b9a5f9f3ece9580b20055f8fd144e55415a70cb333b37aac7e.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:976
- - C:\Users\Admin\AppData\Local\Temp\b332b6c2945a68b9a5f9f3ece9580b20055f8fd144e55415a70cb333b37aac7e.exe
    "C:\Users\Admin\AppData\Local\Temp\b332b6c2945a68b9a5f9f3ece9580b20055f8fd144e55415a70cb333b37aac7e.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3040
  - - C:\Windows\SysWOW64\winver.exe
      winver
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:3052

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1764

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1104-28-0x0000000077CA1000-0x0000000077CA2000-memory.dmp

Filesize
4KB

Download
memory/1104-15-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/1104-27-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/1172-29-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1172-18-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1224-10-0x0000000077CA1000-0x0000000077CA2000-memory.dmp

Filesize
4KB

Download
memory/1224-8-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1224-5-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1224-21-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1224-4-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1224-30-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1764-23-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1764-32-0x0000000077CA1000-0x0000000077CA2000-memory.dmp

Filesize
4KB

Download
memory/1764-31-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/3040-2-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3052-26-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/3052-9-0x0000000000170000-0x0000000000186000-memory.dmp

Filesize
88KB

Download
memory/3052-11-0x0000000077C50000-0x0000000077DF9000-memory.dmp

Filesize
1.7MB

Download
memory/3052-6-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/3052-3-0x0000000000171000-0x0000000000172000-memory.dmp

Filesize
4KB

Download
memory/3052-38-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download