tinba | 7e200ff586f0396ef01e9f527c1d32908fd56150e6886f5b7927c1cf382d643e

General

Target

8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3N.exe
Size

88KB
MD5

10db7b723c7d9344e3b9c09b9222dc4b
SHA1

339feb4b1c134a732ec6f5d3777f52180510e6a9
SHA256

7e200ff586f0396ef01e9f527c1d32908fd56150e6886f5b7927c1cf382d643e
SHA512

fafe71a75ee9b02b1d99fc204e0d893c05c75f90dce8b212a6c4f13548297b18dcde019503e3c0630f624c7a22c756df000afb869e9ab98131050d0ef4f41cb8
SSDEEP

1536:Az44CpRkr9DXhHf3aOd/56RrkQqjh+rmKVsNz:AzvokZR/KM/ysjwqWsNz

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AF364F74 = "C:\\Users\\Admin\\AppData\\Roaming\\AF364F74\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
896	4596	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	8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3N.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
4596	winver.exe
4596	winver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4596	winver.exe
3520	Explorer.EXE
3520	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3520	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3672 wrote to memory of 4596	3672	8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3N.exe	85
PID 3672 wrote to memory of 4596	3672	8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3N.exe	85
PID 3672 wrote to memory of 4596	3672	8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3N.exe	85
PID 3672 wrote to memory of 4596	3672	8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3N.exe	85
PID 4596 wrote to memory of 3520	4596	winver.exe	56
PID 4596 wrote to memory of 2644	4596	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2644

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:3520
- C:\Users\Admin\AppData\Local\Temp\8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3N.exe
  "C:\Users\Admin\AppData\Local\Temp\8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3672
- - 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:4596
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 352
      4⤵
      Program crash
      PID:896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4596 -ip 4596
1⤵
PID:1500

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/2644-15-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3520-8-0x00007FFC696E0000-0x00007FFC696E1000-memory.dmp

Filesize
4KB

Download
memory/3520-1-0x0000000002130000-0x0000000002136000-memory.dmp

Filesize
24KB

Download
memory/3520-2-0x0000000002130000-0x0000000002136000-memory.dmp

Filesize
24KB

Download
memory/3520-6-0x00007FFC6954D000-0x00007FFC6954E000-memory.dmp

Filesize
4KB

Download
memory/3520-11-0x00007FFC696C0000-0x00007FFC696C1000-memory.dmp

Filesize
4KB

Download
memory/3672-3-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/3672-0-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/3672-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3672-10-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/4596-7-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

Filesize
2.0MB

Download
memory/4596-4-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/4596-5-0x0000000077A72000-0x0000000077A73000-memory.dmp

Filesize
4KB

Download
memory/4596-16-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads