tinba | cd151540e35267d06d5f0013e41305cd4cb95a2dbbc8d5960a51930e90d63da4

Analysis

max time kernel
111s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-01-2025 15:57

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General

Target

cd151540e35267d06d5f0013e41305cd4cb95a2dbbc8d5960a51930e90d63da4.exe
Size

45KB
MD5

e9bdcfb2a5f68cc6d3efaa5f2b5b754c
SHA1

0ef6969026ed01754d2f9b7a7904176871c94d98
SHA256

cd151540e35267d06d5f0013e41305cd4cb95a2dbbc8d5960a51930e90d63da4
SHA512

2e8d55a897862e335a083588f938779b4b6ed1ba5e822717d4f677c539c37e163a85583532904b29a3d6cd846424f00064802744863daff53cb7b83c27d074fc
SSDEEP

768:HhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ23:BsWE9N5dFu53dsniQaB/xZ14n7zIF+qj

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3D3F34D5 = "C:\\Users\\Admin\\AppData\\Roaming\\3D3F34D5\\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/3444-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4852	4372	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	cd151540e35267d06d5f0013e41305cd4cb95a2dbbc8d5960a51930e90d63da4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4372	winver.exe
4372	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
4372	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3444 wrote to memory of 4372	3444	cd151540e35267d06d5f0013e41305cd4cb95a2dbbc8d5960a51930e90d63da4.exe	86
PID 3444 wrote to memory of 4372	3444	cd151540e35267d06d5f0013e41305cd4cb95a2dbbc8d5960a51930e90d63da4.exe	86
PID 3444 wrote to memory of 4372	3444	cd151540e35267d06d5f0013e41305cd4cb95a2dbbc8d5960a51930e90d63da4.exe	86
PID 3444 wrote to memory of 4372	3444	cd151540e35267d06d5f0013e41305cd4cb95a2dbbc8d5960a51930e90d63da4.exe	86
PID 4372 wrote to memory of 3520	4372	winver.exe	56
PID 4372 wrote to memory of 2672	4372	winver.exe	44

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2672

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\cd151540e35267d06d5f0013e41305cd4cb95a2dbbc8d5960a51930e90d63da4.exe
  "C:\Users\Admin\AppData\Local\Temp\cd151540e35267d06d5f0013e41305cd4cb95a2dbbc8d5960a51930e90d63da4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3444
- - 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:4372
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 352
      4⤵
      Program crash
      PID:4852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4372 -ip 4372
1⤵
PID:4940

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/2672-13-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/3444-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3444-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3444-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3444-4-0x00000000022F0000-0x0000000002CF0000-memory.dmp

Filesize
10.0MB

Download
memory/3444-9-0x00000000022F0000-0x0000000002CF0000-memory.dmp

Filesize
10.0MB

Download
memory/3520-2-0x0000000001510000-0x0000000001516000-memory.dmp

Filesize
24KB

Download
memory/3520-6-0x00007FFE3558D000-0x00007FFE3558E000-memory.dmp

Filesize
4KB

Download
memory/3520-3-0x0000000001510000-0x0000000001516000-memory.dmp

Filesize
24KB

Download
memory/4372-7-0x00007FFE354F0000-0x00007FFE356E5000-memory.dmp

Filesize
2.0MB

Download
memory/4372-5-0x0000000077292000-0x0000000077293000-memory.dmp

Filesize
4KB

Download
memory/4372-11-0x0000000002490000-0x0000000002496000-memory.dmp

Filesize
24KB

Download
memory/4372-14-0x0000000002490000-0x0000000002496000-memory.dmp

Filesize
24KB

Download