tinba | 54af50c210ed0ce121c36f4cb99f35ba623b2dfc3e7b2ec9400d85945d0347a8

Analysis

max time kernel
7s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-11-2024 09:43

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General

Target

54af50c210ed0ce121c36f4cb99f35ba623b2dfc3e7b2ec9400d85945d0347a8N.exe
Size

98KB
MD5

9b51fb8719222c80e96d06dfa0a6aec0
SHA1

5e4535b3bd25ba61b391ee814ecd84fdd59eab22
SHA256

54af50c210ed0ce121c36f4cb99f35ba623b2dfc3e7b2ec9400d85945d0347a8
SHA512

66b4ee8114be57f4064755ea0a23bf7eebb4d0db1902dd8ccdd5c8a314808e126466f9bf2abfcd93fd6b15fcf582aa08d4de4b02e317bb740d6f77b4778cdb57
SSDEEP

768:N+6p+OMlgGMCWhfDzU7f7JDgi9I57+sByZ+XsfXpwtG9ipelU9JF:N+mFM2HXKZgi9Iksu+XM57ipeq9JF

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C70A2842 = "C:\\Users\\Admin\\AppData\\Roaming\\C70A2842\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4456	4640	WerFault.exe	85

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	54af50c210ed0ce121c36f4cb99f35ba623b2dfc3e7b2ec9400d85945d0347a8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4640	winver.exe
4640	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4640	winver.exe
3468	Explorer.EXE
3468	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 4640	1656	54af50c210ed0ce121c36f4cb99f35ba623b2dfc3e7b2ec9400d85945d0347a8N.exe	85
PID 1656 wrote to memory of 4640	1656	54af50c210ed0ce121c36f4cb99f35ba623b2dfc3e7b2ec9400d85945d0347a8N.exe	85
PID 1656 wrote to memory of 4640	1656	54af50c210ed0ce121c36f4cb99f35ba623b2dfc3e7b2ec9400d85945d0347a8N.exe	85
PID 1656 wrote to memory of 4640	1656	54af50c210ed0ce121c36f4cb99f35ba623b2dfc3e7b2ec9400d85945d0347a8N.exe	85
PID 4640 wrote to memory of 3468	4640	winver.exe	56
PID 4640 wrote to memory of 2968	4640	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2968

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
PID:3468
- C:\Users\Admin\AppData\Local\Temp\54af50c210ed0ce121c36f4cb99f35ba623b2dfc3e7b2ec9400d85945d0347a8N.exe
  "C:\Users\Admin\AppData\Local\Temp\54af50c210ed0ce121c36f4cb99f35ba623b2dfc3e7b2ec9400d85945d0347a8N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1656
- - 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:4640
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4640 -s 352
      4⤵
      Program crash
      PID:4456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4640 -ip 4640
1⤵
PID:4784

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/1656-7-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1656-0-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/1656-3-0x00000000020E0000-0x0000000002AE0000-memory.dmp

Filesize
10.0MB

Download
memory/1656-8-0x00000000020E0000-0x0000000002AE0000-memory.dmp

Filesize
10.0MB

Download
memory/2968-14-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/3468-9-0x00007FF9732E0000-0x00007FF9732E1000-memory.dmp

Filesize
4KB

Download
memory/3468-5-0x00007FF97314D000-0x00007FF97314E000-memory.dmp

Filesize
4KB

Download
memory/3468-1-0x0000000000C50000-0x0000000000C56000-memory.dmp

Filesize
24KB

Download
memory/3468-10-0x00007FF9732C0000-0x00007FF9732C1000-memory.dmp

Filesize
4KB

Download
memory/3468-2-0x0000000000C50000-0x0000000000C56000-memory.dmp

Filesize
24KB

Download
memory/4640-6-0x00007FF9730B0000-0x00007FF9732A5000-memory.dmp

Filesize
2.0MB

Download
memory/4640-4-0x0000000077D52000-0x0000000077D53000-memory.dmp

Filesize
4KB

Download
memory/4640-12-0x00000000027D0000-0x00000000027D6000-memory.dmp

Filesize
24KB

Download
memory/4640-15-0x00000000027D0000-0x00000000027D6000-memory.dmp

Filesize
24KB

Download