tinba | 29f27e86bd5168156c1b7b3a760852bcbfd3586503bcc36b7fa5159777a6dda3

Analysis

max time kernel
108s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 02:23

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General

Target

29f27e86bd5168156c1b7b3a760852bcbfd3586503bcc36b7fa5159777a6dda3N.exe
Size

45KB
MD5

62da010cedba9f326e76b8ebcecbf860
SHA1

8fc9cd643e35fb14aec00a98d3768241cc0be932
SHA256

29f27e86bd5168156c1b7b3a760852bcbfd3586503bcc36b7fa5159777a6dda3
SHA512

9fe5c8ee5c74d414dde004aa21c4d98be3208f872d100f4074ffdabb221d6989cbe25bd3b49aadd55329effce500ebd7027fc76d153e04400e7f46a4a4121fa4
SSDEEP

768:AhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2H:8sWE9N5dFu53dsniQaB/xZ14n7zIF+qT

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
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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3700F452 = "C:\\Users\\Admin\\AppData\\Roaming\\3700F452\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4972-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4192	4220	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	29f27e86bd5168156c1b7b3a760852bcbfd3586503bcc36b7fa5159777a6dda3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4220	winver.exe
4220	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

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

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4220	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4972 wrote to memory of 4220	4972	29f27e86bd5168156c1b7b3a760852bcbfd3586503bcc36b7fa5159777a6dda3N.exe	84
PID 4972 wrote to memory of 4220	4972	29f27e86bd5168156c1b7b3a760852bcbfd3586503bcc36b7fa5159777a6dda3N.exe	84
PID 4972 wrote to memory of 4220	4972	29f27e86bd5168156c1b7b3a760852bcbfd3586503bcc36b7fa5159777a6dda3N.exe	84
PID 4972 wrote to memory of 4220	4972	29f27e86bd5168156c1b7b3a760852bcbfd3586503bcc36b7fa5159777a6dda3N.exe	84
PID 4220 wrote to memory of 3496	4220	winver.exe	56
PID 4220 wrote to memory of 2924	4220	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2924

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3496
- C:\Users\Admin\AppData\Local\Temp\29f27e86bd5168156c1b7b3a760852bcbfd3586503bcc36b7fa5159777a6dda3N.exe
  "C:\Users\Admin\AppData\Local\Temp\29f27e86bd5168156c1b7b3a760852bcbfd3586503bcc36b7fa5159777a6dda3N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4972
- - 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:4220
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4220 -s 352
      4⤵
      Program crash
      PID:4192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4220 -ip 4220
1⤵
PID:1996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2924-13-0x0000000000C50000-0x0000000000C56000-memory.dmp

Filesize
24KB

Download
memory/3496-6-0x00007FFE4E96D000-0x00007FFE4E96E000-memory.dmp

Filesize
4KB

Download
memory/3496-3-0x00000000012D0000-0x00000000012D6000-memory.dmp

Filesize
24KB

Download
memory/3496-2-0x00000000012D0000-0x00000000012D6000-memory.dmp

Filesize
24KB

Download
memory/4220-5-0x0000000077A12000-0x0000000077A13000-memory.dmp

Filesize
4KB

Download
memory/4220-7-0x00007FFE4E8D0000-0x00007FFE4EAC5000-memory.dmp

Filesize
2.0MB

Download
memory/4220-11-0x0000000000EB0000-0x0000000000EB6000-memory.dmp

Filesize
24KB

Download
memory/4220-14-0x0000000000EB0000-0x0000000000EB6000-memory.dmp

Filesize
24KB

Download
memory/4972-4-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download
memory/4972-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4972-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4972-9-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download
memory/4972-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download