tinba | 6fe58f8cc703053e88853b2b20f55310d4b3a6582708d4a30078241ecce02374

General

Target

51519e60ffa732ef5435439debbc86a6dabb99b1f104b88480a9da9e4b20a239.exe
Size

34KB
MD5

2abb82a00fb206277d588410c82c50cb
SHA1

7f46c54ccaf3693772478b2ef414dade96ff4be0
SHA256

51519e60ffa732ef5435439debbc86a6dabb99b1f104b88480a9da9e4b20a239
SHA512

44dbd0a08dd5419725abf47fd17110e310c381e8a8eeed4c28bd9458bd774eb7cd78b8e684ca9ebb35a7fa4e2528b3693cb5a3709dacfad5352bfe5ed7400531
SSDEEP

768:Ump22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:5pYoX58z1uirL98xMWnT0OQ9J2

Score

10^/10

tinba banker discovery persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2032-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BE4DBEFC = "C:\\Users\\Admin\\AppData\\Roaming\\BE4DBEFC\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2704	4920	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	51519e60ffa732ef5435439debbc86a6dabb99b1f104b88480a9da9e4b20a239.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
4920	winver.exe
4920	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3568	Explorer.EXE
Token: SeCreatePagefilePrivilege	3568	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4920	winver.exe
3568	Explorer.EXE
3568	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3568	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 4920	2032	51519e60ffa732ef5435439debbc86a6dabb99b1f104b88480a9da9e4b20a239.exe	85
PID 2032 wrote to memory of 4920	2032	51519e60ffa732ef5435439debbc86a6dabb99b1f104b88480a9da9e4b20a239.exe	85
PID 2032 wrote to memory of 4920	2032	51519e60ffa732ef5435439debbc86a6dabb99b1f104b88480a9da9e4b20a239.exe	85
PID 2032 wrote to memory of 4920	2032	51519e60ffa732ef5435439debbc86a6dabb99b1f104b88480a9da9e4b20a239.exe	85
PID 4920 wrote to memory of 3568	4920	winver.exe	56
PID 4920 wrote to memory of 2684	4920	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2684

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:3568
- C:\Users\Admin\AppData\Local\Temp\51519e60ffa732ef5435439debbc86a6dabb99b1f104b88480a9da9e4b20a239.exe
  "C:\Users\Admin\AppData\Local\Temp\51519e60ffa732ef5435439debbc86a6dabb99b1f104b88480a9da9e4b20a239.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2032
- - 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:4920
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4920 -s 352
      4⤵
      Program crash
      PID:2704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4920 -ip 4920
1⤵
PID:6040

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/2032-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2032-1-0x0000000000500000-0x0000000000501000-memory.dmp

Filesize
4KB

Download
memory/2032-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2032-4-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/2032-10-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/2684-15-0x0000000000FD0000-0x0000000000FD6000-memory.dmp

Filesize
24KB

Download
memory/3568-6-0x00007FFAB002D000-0x00007FFAB002E000-memory.dmp

Filesize
4KB

Download
memory/3568-8-0x00007FFAB01C0000-0x00007FFAB01C1000-memory.dmp

Filesize
4KB

Download
memory/3568-3-0x00000000012B0000-0x00000000012B6000-memory.dmp

Filesize
24KB

Download
memory/3568-11-0x00007FFAB01A0000-0x00007FFAB01A1000-memory.dmp

Filesize
4KB

Download
memory/3568-2-0x00000000012B0000-0x00000000012B6000-memory.dmp

Filesize
24KB

Download
memory/4920-5-0x0000000077782000-0x0000000077783000-memory.dmp

Filesize
4KB

Download
memory/4920-7-0x00007FFAAFF90000-0x00007FFAB0185000-memory.dmp

Filesize
2.0MB

Download
memory/4920-13-0x0000000002BD0000-0x0000000002BD6000-memory.dmp

Filesize
24KB

Download
memory/4920-16-0x0000000002BD0000-0x0000000002BD6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads