tinba | 3b15c5f86a281373a69f45dfadc7b58b5af7e98785721424748677526726c9ed

General

Target

3b15c5f86a281373a69f45dfadc7b58b5af7e98785721424748677526726c9edN.exe
Size

98KB
MD5

c5844379faae859feb79a9f1d2122d10
SHA1

81e085ae598473ebcc6325cb2192f0d30d91c1bd
SHA256

3b15c5f86a281373a69f45dfadc7b58b5af7e98785721424748677526726c9ed
SHA512

16a4c6d2f34008e951209169d550cf068dfa22850bfe221cb40dcdf4cf295fe02bf1a96c22c9515267b57b6b777cefc00fc3ddf49cba26aad162051bec84b476
SSDEEP

768:c+6p+OMlgGMCWhfDzU7f7JDgi9I57+sByZ+XsfXpwtG9ipelU9JF:c+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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6F9F041B = "C:\\Users\\Admin\\AppData\\Roaming\\6F9F041B\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4536	3440	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	3b15c5f86a281373a69f45dfadc7b58b5af7e98785721424748677526726c9edN.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
3440	winver.exe
3440	winver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3440	winver.exe
3432	Explorer.EXE
3432	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3432	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 3440	1748	3b15c5f86a281373a69f45dfadc7b58b5af7e98785721424748677526726c9edN.exe	85
PID 1748 wrote to memory of 3440	1748	3b15c5f86a281373a69f45dfadc7b58b5af7e98785721424748677526726c9edN.exe	85
PID 1748 wrote to memory of 3440	1748	3b15c5f86a281373a69f45dfadc7b58b5af7e98785721424748677526726c9edN.exe	85
PID 1748 wrote to memory of 3440	1748	3b15c5f86a281373a69f45dfadc7b58b5af7e98785721424748677526726c9edN.exe	85
PID 3440 wrote to memory of 3432	3440	winver.exe	56
PID 3440 wrote to memory of 2636	3440	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2636

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:3432
- C:\Users\Admin\AppData\Local\Temp\3b15c5f86a281373a69f45dfadc7b58b5af7e98785721424748677526726c9edN.exe
  "C:\Users\Admin\AppData\Local\Temp\3b15c5f86a281373a69f45dfadc7b58b5af7e98785721424748677526726c9edN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1748
- - 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:3440
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 352
      4⤵
      Program crash
      PID:4536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3440 -ip 3440
1⤵
PID:4856

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/1748-0-0x0000000002150000-0x0000000002151000-memory.dmp

Filesize
4KB

Download
memory/1748-3-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/1748-8-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/1748-7-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2636-16-0x00007FFD9DDB0000-0x00007FFD9DDB1000-memory.dmp

Filesize
4KB

Download
memory/2636-13-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/3432-6-0x00007FFD9DDC0000-0x00007FFD9DDC1000-memory.dmp

Filesize
4KB

Download
memory/3432-4-0x00007FFD9DC2D000-0x00007FFD9DC2E000-memory.dmp

Filesize
4KB

Download
memory/3432-9-0x00007FFD9DDA0000-0x00007FFD9DDA1000-memory.dmp

Filesize
4KB

Download
memory/3432-1-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/3432-2-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/3440-5-0x00007FFD9DB90000-0x00007FFD9DD85000-memory.dmp

Filesize
2.0MB

Download
memory/3440-11-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/3440-14-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads