tinba | 3ba58a7d0d7888ca08c168081d9f6d34169bcf215d22ff75f78c86c938efd44a

General

Target

d12185db211da162cd12e6e568567800N.exe
Size

98KB
MD5

d12185db211da162cd12e6e568567800
SHA1

27e0833ab314f22b4ca23e939454c0b0dfaa2049
SHA256

3ba58a7d0d7888ca08c168081d9f6d34169bcf215d22ff75f78c86c938efd44a
SHA512

1d3d159bc0480051efa5b0148d297407772c1973ad03028b39af9208468b97e4e27ea6167018ccc4b3840f392b0cf1df18c7d4d0b8cff16f36516ede025cf50d
SSDEEP

768:B+6p+OMlgGMCWhfDzU7f7JDgi9I57+sByZ+XsfXpwtG9ipelU9JF:B+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

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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C7BCD0B1 = "C:\\Users\\Admin\\AppData\\Roaming\\C7BCD0B1\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1572	3012	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	d12185db211da162cd12e6e568567800N.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
3012	winver.exe
3012	winver.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3480	Explorer.EXE
Token: SeCreatePagefilePrivilege	3480	Explorer.EXE
Token: SeShutdownPrivilege	3480	Explorer.EXE
Token: SeCreatePagefilePrivilege	3480	Explorer.EXE
Token: SeShutdownPrivilege	3480	Explorer.EXE
Token: SeCreatePagefilePrivilege	3480	Explorer.EXE
Token: SeShutdownPrivilege	3480	Explorer.EXE
Token: SeCreatePagefilePrivilege	3480	Explorer.EXE
Token: SeShutdownPrivilege	3480	Explorer.EXE
Token: SeCreatePagefilePrivilege	3480	Explorer.EXE
Token: SeShutdownPrivilege	3480	Explorer.EXE
Token: SeCreatePagefilePrivilege	3480	Explorer.EXE
Token: SeShutdownPrivilege	3480	Explorer.EXE
Token: SeCreatePagefilePrivilege	3480	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3012	winver.exe
3480	Explorer.EXE
3480	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3480	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 3012	2436	d12185db211da162cd12e6e568567800N.exe	85
PID 2436 wrote to memory of 3012	2436	d12185db211da162cd12e6e568567800N.exe	85
PID 2436 wrote to memory of 3012	2436	d12185db211da162cd12e6e568567800N.exe	85
PID 2436 wrote to memory of 3012	2436	d12185db211da162cd12e6e568567800N.exe	85
PID 3012 wrote to memory of 3480	3012	winver.exe	56
PID 3012 wrote to memory of 2576	3012	winver.exe	43

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2576

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3480
- C:\Users\Admin\AppData\Local\Temp\d12185db211da162cd12e6e568567800N.exe
  "C:\Users\Admin\AppData\Local\Temp\d12185db211da162cd12e6e568567800N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2436
- - 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:3012
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3012 -s 352
      4⤵
      Program crash
      PID:1572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3012 -ip 3012
1⤵
PID:4268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2436-9-0x0000000002350000-0x0000000002D50000-memory.dmp

Filesize
10.0MB

Download
memory/2436-0-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/2436-3-0x0000000002350000-0x0000000002D50000-memory.dmp

Filesize
10.0MB

Download
memory/2436-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2576-14-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

Filesize
24KB

Download
memory/3012-15-0x0000000001140000-0x0000000001146000-memory.dmp

Filesize
24KB

Download
memory/3012-6-0x00007FF8062F0000-0x00007FF8064E5000-memory.dmp

Filesize
2.0MB

Download
memory/3012-4-0x0000000076EF2000-0x0000000076EF3000-memory.dmp

Filesize
4KB

Download
memory/3012-12-0x0000000001140000-0x0000000001146000-memory.dmp

Filesize
24KB

Download
memory/3480-5-0x00007FF80638D000-0x00007FF80638E000-memory.dmp

Filesize
4KB

Download
memory/3480-10-0x00007FF806500000-0x00007FF806501000-memory.dmp

Filesize
4KB

Download
memory/3480-2-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/3480-7-0x00007FF806520000-0x00007FF806521000-memory.dmp

Filesize
4KB

Download
memory/3480-1-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads