tinba | 1f34d4ee6eed3fba6904a2f75ea6ee45282c26fb55e937c94a0094a40fce9c70

Analysis

max time kernel
103s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2024 09:22

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General

Target

1f34d4ee6eed3fba6904a2f75ea6ee45282c26fb55e937c94a0094a40fce9c70N.exe
Size

45KB
MD5

f57bee689697effa32425410d4fb7230
SHA1

fcdc976b2d1d508ab02413cfd42bb78ebcc783a1
SHA256

1f34d4ee6eed3fba6904a2f75ea6ee45282c26fb55e937c94a0094a40fce9c70
SHA512

8d21bc68a48cde196ce31433be8c8f002f25ba500b17b8b811f1bd664ded327bd785356952e550be1645a4e1925f76b6c18296cd5cbb4778a675ca62f474400b
SSDEEP

768:1hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:nsWE9N5dFu53dsniQaB/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
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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\137DD7FD = "C:\\Users\\Admin\\AppData\\Roaming\\137DD7FD\\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/3024-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
224	4004	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	1f34d4ee6eed3fba6904a2f75ea6ee45282c26fb55e937c94a0094a40fce9c70N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4004	winver.exe
4004	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3528	Explorer.EXE
Token: SeCreatePagefilePrivilege	3528	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4004	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 4004	3024	1f34d4ee6eed3fba6904a2f75ea6ee45282c26fb55e937c94a0094a40fce9c70N.exe	86
PID 3024 wrote to memory of 4004	3024	1f34d4ee6eed3fba6904a2f75ea6ee45282c26fb55e937c94a0094a40fce9c70N.exe	86
PID 3024 wrote to memory of 4004	3024	1f34d4ee6eed3fba6904a2f75ea6ee45282c26fb55e937c94a0094a40fce9c70N.exe	86
PID 3024 wrote to memory of 4004	3024	1f34d4ee6eed3fba6904a2f75ea6ee45282c26fb55e937c94a0094a40fce9c70N.exe	86
PID 4004 wrote to memory of 3528	4004	winver.exe	56
PID 4004 wrote to memory of 2640	4004	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2640

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3528
- C:\Users\Admin\AppData\Local\Temp\1f34d4ee6eed3fba6904a2f75ea6ee45282c26fb55e937c94a0094a40fce9c70N.exe
  "C:\Users\Admin\AppData\Local\Temp\1f34d4ee6eed3fba6904a2f75ea6ee45282c26fb55e937c94a0094a40fce9c70N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3024
- - 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:4004
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4004 -s 352
      4⤵
      Program crash
      PID:224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4004 -ip 4004
1⤵
PID:640

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/2640-14-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/3024-10-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/3024-4-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/3024-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3024-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3024-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3528-3-0x0000000000D70000-0x0000000000D76000-memory.dmp

Filesize
24KB

Download
memory/3528-2-0x0000000000D70000-0x0000000000D76000-memory.dmp

Filesize
24KB

Download
memory/3528-6-0x00007FFAB8C2D000-0x00007FFAB8C2E000-memory.dmp

Filesize
4KB

Download
memory/4004-5-0x0000000077432000-0x0000000077433000-memory.dmp

Filesize
4KB

Download
memory/4004-7-0x00007FFAB8B90000-0x00007FFAB8D85000-memory.dmp

Filesize
2.0MB

Download
memory/4004-12-0x0000000000A80000-0x0000000000A86000-memory.dmp

Filesize
24KB

Download
memory/4004-15-0x0000000000A80000-0x0000000000A86000-memory.dmp

Filesize
24KB

Download