tinba | 3030fc7ccfccdf1cbc850656b033a679d69140dad9e5f0bf25a993f70ff41f0d

Analysis

max time kernel
118s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/09/2024, 18:14

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General

Target

25b36c07df84b1d0b69a916bf01748d0N.exe
Size

45KB
MD5

25b36c07df84b1d0b69a916bf01748d0
SHA1

e7d6db7e7b9b6ea7104fb4cf4b624b3396d19aa2
SHA256

3030fc7ccfccdf1cbc850656b033a679d69140dad9e5f0bf25a993f70ff41f0d
SHA512

69802e31e5dc1b60b868141c06ab4e7d3950720497d5a44ac66267de9bec8f245b5128cb264826094264b66c38e2972adfddf6d0c9e194407a8e8cd8abda121f
SSDEEP

768:hhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:bsWE9N5dFu53dsniQaB/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/1088-0-0x0000000000400000-0x000000000041D000-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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C3656B7D = "C:\\Users\\Admin\\AppData\\Roaming\\C3656B7D\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2364	3796	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	25b36c07df84b1d0b69a916bf01748d0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3796	winver.exe
3796	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

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

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3796	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3520	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 3796	1088	25b36c07df84b1d0b69a916bf01748d0N.exe	84
PID 1088 wrote to memory of 3796	1088	25b36c07df84b1d0b69a916bf01748d0N.exe	84
PID 1088 wrote to memory of 3796	1088	25b36c07df84b1d0b69a916bf01748d0N.exe	84
PID 1088 wrote to memory of 3796	1088	25b36c07df84b1d0b69a916bf01748d0N.exe	84
PID 3796 wrote to memory of 3520	3796	winver.exe	56
PID 3796 wrote to memory of 2552	3796	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2552

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3520
- C:\Users\Admin\AppData\Local\Temp\25b36c07df84b1d0b69a916bf01748d0N.exe
  "C:\Users\Admin\AppData\Local\Temp\25b36c07df84b1d0b69a916bf01748d0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1088
- - 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:3796
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3796 -s 352
      4⤵
      Program crash
      PID:2364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3796 -ip 3796
1⤵
PID:1540

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/1088-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1088-1-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/1088-12-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/1088-4-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/1088-11-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2552-16-0x0000000000910000-0x0000000000916000-memory.dmp

Filesize
24KB

Download
memory/3520-6-0x00007FFAB1B8D000-0x00007FFAB1B8E000-memory.dmp

Filesize
4KB

Download
memory/3520-9-0x00007FFAB1D20000-0x00007FFAB1D21000-memory.dmp

Filesize
4KB

Download
memory/3520-7-0x00007FFAB1B8C000-0x00007FFAB1B8D000-memory.dmp

Filesize
4KB

Download
memory/3520-2-0x0000000001410000-0x0000000001416000-memory.dmp

Filesize
24KB

Download
memory/3520-3-0x0000000001410000-0x0000000001416000-memory.dmp

Filesize
24KB

Download
memory/3796-5-0x00000000771B2000-0x00000000771B3000-memory.dmp

Filesize
4KB

Download
memory/3796-8-0x00007FFAB1AF0000-0x00007FFAB1CE5000-memory.dmp

Filesize
2.0MB

Download
memory/3796-14-0x0000000002750000-0x0000000002756000-memory.dmp

Filesize
24KB

Download
memory/3796-17-0x0000000002750000-0x0000000002756000-memory.dmp

Filesize
24KB

Download