tinba | 7e562a5c204b245315cba0993fdcd2ef24aa6f164d21581e575b745605341f34

General

Target

ef2dbceeefe2c39e10e605aeb3b19620N.exe
Size

106KB
MD5

ef2dbceeefe2c39e10e605aeb3b19620
SHA1

abbe0c0a5a3064e94479880d0ffdb946efb9bc73
SHA256

7e562a5c204b245315cba0993fdcd2ef24aa6f164d21581e575b745605341f34
SHA512

d1f2951455faee5cf701215bd5f062fc6484b264e60892eaf2687e2c84a16ba12b9a73ba9e3e8901ce5df194b41aed7e974a8feebf38e5a8d568c06e298a0fc6
SSDEEP

768:U+6p+OMlgGXCWhfDzU7f0JDgi9I57+sByZ+XsfXpwtG9ipelU9JA:U+mFM2QXtZgi9Iksu+XM57ipeq9JA

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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E0C008A2 = "C:\\Users\\Admin\\AppData\\Roaming\\E0C008A2\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
440	3300	WerFault.exe	84

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	ef2dbceeefe2c39e10e605aeb3b19620N.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
3300	winver.exe
3300	winver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3300	winver.exe
3508	Explorer.EXE
3508	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3508	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5104 wrote to memory of 3300	5104	ef2dbceeefe2c39e10e605aeb3b19620N.exe	84
PID 5104 wrote to memory of 3300	5104	ef2dbceeefe2c39e10e605aeb3b19620N.exe	84
PID 5104 wrote to memory of 3300	5104	ef2dbceeefe2c39e10e605aeb3b19620N.exe	84
PID 5104 wrote to memory of 3300	5104	ef2dbceeefe2c39e10e605aeb3b19620N.exe	84
PID 3300 wrote to memory of 3508	3300	winver.exe	56
PID 3300 wrote to memory of 2492	3300	winver.exe	42

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2492

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:3508
- C:\Users\Admin\AppData\Local\Temp\ef2dbceeefe2c39e10e605aeb3b19620N.exe
  "C:\Users\Admin\AppData\Local\Temp\ef2dbceeefe2c39e10e605aeb3b19620N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5104
- - 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:3300
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3300 -s 352
      4⤵
      Program crash
      PID:440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3300 -ip 3300
1⤵
PID:4280

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/2492-16-0x0000000000EC0000-0x0000000000EC6000-memory.dmp

Filesize
24KB

Download
memory/3300-5-0x0000000077982000-0x0000000077983000-memory.dmp

Filesize
4KB

Download
memory/3300-17-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/3300-14-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/3300-7-0x00007FFA19A90000-0x00007FFA19C85000-memory.dmp

Filesize
2.0MB

Download
memory/3508-2-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download
memory/3508-6-0x00007FFA19B2D000-0x00007FFA19B2E000-memory.dmp

Filesize
4KB

Download
memory/3508-8-0x00007FFA19CC0000-0x00007FFA19CC1000-memory.dmp

Filesize
4KB

Download
memory/3508-12-0x00007FFA19CA0000-0x00007FFA19CA1000-memory.dmp

Filesize
4KB

Download
memory/3508-3-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download
memory/5104-4-0x0000000002320000-0x0000000002D20000-memory.dmp

Filesize
10.0MB

Download
memory/5104-11-0x0000000002320000-0x0000000002D20000-memory.dmp

Filesize
10.0MB

Download
memory/5104-10-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/5104-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/5104-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads