tinba | 61e85930a3c7dcd58aec095a4eeb8abf20211e971ff1d038308833392ab654ee

General

Target

556247f972887a43f46b93a34d8970ab7b7e2ed319a27c2604e79977d77976b9.exe
Size

131KB
MD5

493cb58a2f56814c2a730ce6fd3cb9c3
SHA1

b88d9b9d6e01cfb280f8b024138c5cb62c9835d8
SHA256

556247f972887a43f46b93a34d8970ab7b7e2ed319a27c2604e79977d77976b9
SHA512

0ca4301c702948747b1e401554a1c1e953a86715bc0cdf590f2dced8672c80583f5c23b06f3aa82ed73a64ff4f8318fc50ab5af470ce3a549a10653c86f64b8b
SSDEEP

1536:KPx+riFFG1A/m3wE/iVP9In2Zv4qjh+rmKK4cVSZj:EY8FE/MVIn2Z5jgq54c4d

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/1688-0-0x0000000000400000-0x0000000000423000-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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8B71C09C = "C:\\Users\\Admin\\AppData\\Roaming\\8B71C09C\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2836	2748	WerFault.exe	86

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	556247f972887a43f46b93a34d8970ab7b7e2ed319a27c2604e79977d77976b9.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
2748	winver.exe
2748	winver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2748	winver.exe
3476	Explorer.EXE
3476	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3476	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 2748	1688	556247f972887a43f46b93a34d8970ab7b7e2ed319a27c2604e79977d77976b9.exe	86
PID 1688 wrote to memory of 2748	1688	556247f972887a43f46b93a34d8970ab7b7e2ed319a27c2604e79977d77976b9.exe	86
PID 1688 wrote to memory of 2748	1688	556247f972887a43f46b93a34d8970ab7b7e2ed319a27c2604e79977d77976b9.exe	86
PID 1688 wrote to memory of 2748	1688	556247f972887a43f46b93a34d8970ab7b7e2ed319a27c2604e79977d77976b9.exe	86
PID 2748 wrote to memory of 3476	2748	winver.exe	56
PID 2748 wrote to memory of 3036	2748	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3036

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:3476
- C:\Users\Admin\AppData\Local\Temp\556247f972887a43f46b93a34d8970ab7b7e2ed319a27c2604e79977d77976b9.exe
  "C:\Users\Admin\AppData\Local\Temp\556247f972887a43f46b93a34d8970ab7b7e2ed319a27c2604e79977d77976b9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1688
- - 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:2748
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 352
      4⤵
      Program crash
      PID:2836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2748 -ip 2748
1⤵
PID:1524

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/1688-10-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1688-1-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/1688-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1688-4-0x00000000025C0000-0x0000000002FC0000-memory.dmp

Filesize
10.0MB

Download
memory/1688-11-0x00000000025C0000-0x0000000002FC0000-memory.dmp

Filesize
10.0MB

Download
memory/2748-7-0x00007FFAF3C10000-0x00007FFAF3E05000-memory.dmp

Filesize
2.0MB

Download
memory/2748-5-0x0000000077792000-0x0000000077793000-memory.dmp

Filesize
4KB

Download
memory/2748-14-0x00000000011F0000-0x00000000011F6000-memory.dmp

Filesize
24KB

Download
memory/2748-17-0x00000000011F0000-0x00000000011F6000-memory.dmp

Filesize
24KB

Download
memory/3036-16-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/3476-6-0x00007FFAF3CAD000-0x00007FFAF3CAE000-memory.dmp

Filesize
4KB

Download
memory/3476-3-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3476-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3476-8-0x00007FFAF3E40000-0x00007FFAF3E41000-memory.dmp

Filesize
4KB

Download
memory/3476-12-0x00007FFAF3E20000-0x00007FFAF3E21000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads