tinba | 0e355dae53a1bbcda45c294b15387f44e85fa4aa41434da8e24709047a6a3069

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15/09/2024, 11:23

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General

Target

50159868102ffa1523c93d91ca9870c0N.exe
Size

89KB
MD5

50159868102ffa1523c93d91ca9870c0
SHA1

85b84d78058b0adabf009e89abdbc9b3701fe234
SHA256

0e355dae53a1bbcda45c294b15387f44e85fa4aa41434da8e24709047a6a3069
SHA512

e56b7cad65179a0976d2bdd86231a42f7d9bfe1a747ffebd61feeee9cb00f5c9e5e37ba80a893eb58a0f825a6187421ecd96397f6d7fb54b2c02d03a65652b73
SSDEEP

1536:49o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:49o6fK2XqXQwhnHlqQo8Lvy

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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\0D11F3AE = "C:\\Users\\Admin\\AppData\\Roaming\\0D11F3AE\\bin.exe"	winver.exe

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	50159868102ffa1523c93d91ca9870c0N.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe
2712	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2712	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1348 wrote to memory of 2712	1348	50159868102ffa1523c93d91ca9870c0N.exe	30
PID 1348 wrote to memory of 2712	1348	50159868102ffa1523c93d91ca9870c0N.exe	30
PID 1348 wrote to memory of 2712	1348	50159868102ffa1523c93d91ca9870c0N.exe	30
PID 1348 wrote to memory of 2712	1348	50159868102ffa1523c93d91ca9870c0N.exe	30
PID 1348 wrote to memory of 2712	1348	50159868102ffa1523c93d91ca9870c0N.exe	30
PID 2712 wrote to memory of 1252	2712	winver.exe	21
PID 2712 wrote to memory of 1120	2712	winver.exe	19
PID 2712 wrote to memory of 1192	2712	winver.exe	20
PID 2712 wrote to memory of 1252	2712	winver.exe	21
PID 2712 wrote to memory of 1612	2712	winver.exe	25
PID 2712 wrote to memory of 1348	2712	winver.exe	29

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1192

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1252
- C:\Users\Admin\AppData\Local\Temp\50159868102ffa1523c93d91ca9870c0N.exe
  "C:\Users\Admin\AppData\Local\Temp\50159868102ffa1523c93d91ca9870c0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1348
- - 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:2712

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1612

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/1120-15-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1120-27-0x00000000779C1000-0x00000000779C2000-memory.dmp

Filesize
4KB

Download
memory/1120-26-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1192-31-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1192-18-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1252-21-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/1252-5-0x0000000002220000-0x0000000002226000-memory.dmp

Filesize
24KB

Download
memory/1252-2-0x0000000002220000-0x0000000002226000-memory.dmp

Filesize
24KB

Download
memory/1252-1-0x0000000002220000-0x0000000002226000-memory.dmp

Filesize
24KB

Download
memory/1252-12-0x00000000779C1000-0x00000000779C2000-memory.dmp

Filesize
4KB

Download
memory/1252-28-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/1348-32-0x00000000020F0000-0x0000000002AF0000-memory.dmp

Filesize
10.0MB

Download
memory/1348-0-0x0000000000240000-0x0000000000242000-memory.dmp

Filesize
8KB

Download
memory/1348-25-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1348-6-0x00000000020F0000-0x0000000002AF0000-memory.dmp

Filesize
10.0MB

Download
memory/1612-29-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1612-30-0x00000000779C1000-0x00000000779C2000-memory.dmp

Filesize
4KB

Download
memory/1612-23-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/2712-9-0x0000000077B6F000-0x0000000077B70000-memory.dmp

Filesize
4KB

Download
memory/2712-10-0x0000000077B6F000-0x0000000077B71000-memory.dmp

Filesize
8KB

Download
memory/2712-8-0x0000000077B70000-0x0000000077B71000-memory.dmp

Filesize
4KB

Download
memory/2712-11-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2712-7-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2712-13-0x0000000077970000-0x0000000077B19000-memory.dmp

Filesize
1.7MB

Download
memory/2712-3-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2712-38-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download