tinba | d81b613ab829e8b1b1e9a765e8084f625c555be0cedd3c3ee3fe7b97cce9df37

General

Target

2930d161a8734579212c9f160b600500N.exe
Size

45KB
MD5

2930d161a8734579212c9f160b600500
SHA1

73d531c3db12ddad5a001ea673179f48203b878c
SHA256

d81b613ab829e8b1b1e9a765e8084f625c555be0cedd3c3ee3fe7b97cce9df37
SHA512

687de90f560d647dd335c7b861ebd6354dd889e2b19591fbfeb5caa8fd4e5952ef373e3416bd0c7e56c18954001fd226a8fe9b89fb33ca3a49296edb4c5dfe16
SSDEEP

768:FhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:XsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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/4472-0-0x0000000000400000-0x000000000041D000-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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EB5DE07E = "C:\\Users\\Admin\\AppData\\Roaming\\EB5DE07E\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4828	5068	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	2930d161a8734579212c9f160b600500N.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
5068	winver.exe
5068	winver.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3496	Explorer.EXE
Token: SeCreatePagefilePrivilege	3496	Explorer.EXE
Token: SeShutdownPrivilege	3496	Explorer.EXE
Token: SeCreatePagefilePrivilege	3496	Explorer.EXE
Token: SeShutdownPrivilege	3496	Explorer.EXE
Token: SeCreatePagefilePrivilege	3496	Explorer.EXE
Token: SeShutdownPrivilege	3496	Explorer.EXE
Token: SeCreatePagefilePrivilege	3496	Explorer.EXE
Token: SeShutdownPrivilege	3496	Explorer.EXE
Token: SeCreatePagefilePrivilege	3496	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
5068	winver.exe
3496	Explorer.EXE
3496	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3496	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4472 wrote to memory of 5068	4472	2930d161a8734579212c9f160b600500N.exe	85
PID 4472 wrote to memory of 5068	4472	2930d161a8734579212c9f160b600500N.exe	85
PID 4472 wrote to memory of 5068	4472	2930d161a8734579212c9f160b600500N.exe	85
PID 4472 wrote to memory of 5068	4472	2930d161a8734579212c9f160b600500N.exe	85
PID 5068 wrote to memory of 3496	5068	winver.exe	56
PID 5068 wrote to memory of 2772	5068	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2772

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:3496
- C:\Users\Admin\AppData\Local\Temp\2930d161a8734579212c9f160b600500N.exe
  "C:\Users\Admin\AppData\Local\Temp\2930d161a8734579212c9f160b600500N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4472
- - 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:5068
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 352
      4⤵
      Program crash
      PID:4828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 5068 -ip 5068
1⤵
PID:2256

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2772-21-0x00007FFE15F30000-0x00007FFE15F31000-memory.dmp

Filesize
4KB

Download
memory/2772-17-0x0000000000E80000-0x0000000000E86000-memory.dmp

Filesize
24KB

Download
memory/3496-7-0x00007FFE15DAD000-0x00007FFE15DAE000-memory.dmp

Filesize
4KB

Download
memory/3496-3-0x0000000000D90000-0x0000000000D96000-memory.dmp

Filesize
24KB

Download
memory/3496-2-0x0000000000D90000-0x0000000000D96000-memory.dmp

Filesize
24KB

Download
memory/3496-13-0x00007FFE15F20000-0x00007FFE15F21000-memory.dmp

Filesize
4KB

Download
memory/3496-9-0x00007FFE15F40000-0x00007FFE15F41000-memory.dmp

Filesize
4KB

Download
memory/4472-4-0x0000000002360000-0x0000000002D60000-memory.dmp

Filesize
10.0MB

Download
memory/4472-11-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4472-12-0x0000000002360000-0x0000000002D60000-memory.dmp

Filesize
10.0MB

Download
memory/4472-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4472-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/5068-8-0x00007FFE15D10000-0x00007FFE15F05000-memory.dmp

Filesize
2.0MB

Download
memory/5068-6-0x00000000779C2000-0x00000000779C3000-memory.dmp

Filesize
4KB

Download
memory/5068-5-0x0000000002C30000-0x0000000002C36000-memory.dmp

Filesize
24KB

Download
memory/5068-18-0x0000000002C30000-0x0000000002C36000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads