tinba | 239300e9a7e6f2c54457a144f017711fab9f4f952e4e2153cd55df8bc087ff79

General

Target

239300e9a7e6f2c54457a144f017711fab9f4f952e4e2153cd55df8bc087ff79.exe
Size

59KB
MD5

45274c7acfed6128f1228fa0e3def123
SHA1

a926752953599189e50904f0b28bcf6e597e3724
SHA256

239300e9a7e6f2c54457a144f017711fab9f4f952e4e2153cd55df8bc087ff79
SHA512

d5088f7ac56fe7f11502ae9c4ca156b58726620f29a5581ad9b5c81a7dd5838c406f08c9d686947ce5b0e726e7320160c430a751ce3f8f5e62c0ac3b27d1989e
SSDEEP

768:/+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:/+mFM2HXKZgiFP7xIksu+XM5O9J1

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FF7813D3 = "C:\\Users\\Admin\\AppData\\Roaming\\FF7813D3\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1812	4856	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	239300e9a7e6f2c54457a144f017711fab9f4f952e4e2153cd55df8bc087ff79.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
4856	winver.exe
4856	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3556	Explorer.EXE
Token: SeCreatePagefilePrivilege	3556	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4856	winver.exe
3556	Explorer.EXE
3556	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3556	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4968 wrote to memory of 4856	4968	239300e9a7e6f2c54457a144f017711fab9f4f952e4e2153cd55df8bc087ff79.exe	85
PID 4968 wrote to memory of 4856	4968	239300e9a7e6f2c54457a144f017711fab9f4f952e4e2153cd55df8bc087ff79.exe	85
PID 4968 wrote to memory of 4856	4968	239300e9a7e6f2c54457a144f017711fab9f4f952e4e2153cd55df8bc087ff79.exe	85
PID 4968 wrote to memory of 4856	4968	239300e9a7e6f2c54457a144f017711fab9f4f952e4e2153cd55df8bc087ff79.exe	85
PID 4856 wrote to memory of 3556	4856	winver.exe	56
PID 4856 wrote to memory of 2656	4856	winver.exe	44

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2656

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:3556
- C:\Users\Admin\AppData\Local\Temp\239300e9a7e6f2c54457a144f017711fab9f4f952e4e2153cd55df8bc087ff79.exe
  "C:\Users\Admin\AppData\Local\Temp\239300e9a7e6f2c54457a144f017711fab9f4f952e4e2153cd55df8bc087ff79.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4968
- - 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:4856
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4856 -s 352
      4⤵
      Program crash
      PID:1812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4856 -ip 4856
1⤵
PID:1564

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/2656-14-0x0000000000F20000-0x0000000000F26000-memory.dmp

Filesize
24KB

Download
memory/3556-9-0x00007FF9F7D80000-0x00007FF9F7D81000-memory.dmp

Filesize
4KB

Download
memory/3556-2-0x0000000001420000-0x0000000001426000-memory.dmp

Filesize
24KB

Download
memory/3556-1-0x0000000001420000-0x0000000001426000-memory.dmp

Filesize
24KB

Download
memory/3556-10-0x00007FF9F7D60000-0x00007FF9F7D61000-memory.dmp

Filesize
4KB

Download
memory/3556-5-0x00007FF9F7BED000-0x00007FF9F7BEE000-memory.dmp

Filesize
4KB

Download
memory/4856-6-0x00007FF9F7B50000-0x00007FF9F7D45000-memory.dmp

Filesize
2.0MB

Download
memory/4856-4-0x0000000077032000-0x0000000077033000-memory.dmp

Filesize
4KB

Download
memory/4856-12-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/4856-15-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/4968-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4968-8-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/4968-0-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/4968-3-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads