tinba | 09908dfbc78a2542a5bda59490567e791361e3c06787a269e1528f20b43c9ac4

Analysis

max time kernel
107s
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
26-12-2024 13:54

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General

Target

09908dfbc78a2542a5bda59490567e791361e3c06787a269e1528f20b43c9ac4.exe
Size

45KB
MD5

ab6537721f619985316eaaab3d30b663
SHA1

5aff7bd18b722e05ee8d16fcdd6411b87b1ea3a5
SHA256

09908dfbc78a2542a5bda59490567e791361e3c06787a269e1528f20b43c9ac4
SHA512

1222d1b0f1cbee582880dbb8c21d4480b35abd2bd64e9831b5c2c8391d9b52fc2fd1289c309cc32a3469ff929caaf9d05cee750881e98a7ba66e6f3e9c2dc7c2
SSDEEP

768:5hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ21:jsWE9N5dFu53dsniQaB/xZ14n7zIF+qZ

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\F9B736B4 = "C:\\Users\\Admin\\AppData\\Roaming\\F9B736B4\\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/4300-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3844	3448	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	09908dfbc78a2542a5bda59490567e791361e3c06787a269e1528f20b43c9ac4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3448	winver.exe
3448	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3448	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4300 wrote to memory of 3448	4300	09908dfbc78a2542a5bda59490567e791361e3c06787a269e1528f20b43c9ac4.exe	84
PID 4300 wrote to memory of 3448	4300	09908dfbc78a2542a5bda59490567e791361e3c06787a269e1528f20b43c9ac4.exe	84
PID 4300 wrote to memory of 3448	4300	09908dfbc78a2542a5bda59490567e791361e3c06787a269e1528f20b43c9ac4.exe	84
PID 4300 wrote to memory of 3448	4300	09908dfbc78a2542a5bda59490567e791361e3c06787a269e1528f20b43c9ac4.exe	84
PID 3448 wrote to memory of 3460	3448	winver.exe	56
PID 3448 wrote to memory of 3060	3448	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3060

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3460
- C:\Users\Admin\AppData\Local\Temp\09908dfbc78a2542a5bda59490567e791361e3c06787a269e1528f20b43c9ac4.exe
  "C:\Users\Admin\AppData\Local\Temp\09908dfbc78a2542a5bda59490567e791361e3c06787a269e1528f20b43c9ac4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4300
- - 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:3448
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3448 -s 352
      4⤵
      Program crash
      PID:3844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3448 -ip 3448
1⤵
PID:2896

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/3060-14-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/3448-5-0x0000000077122000-0x0000000077123000-memory.dmp

Filesize
4KB

Download
memory/3448-15-0x00000000009E0000-0x00000000009E6000-memory.dmp

Filesize
24KB

Download
memory/3448-12-0x00000000009E0000-0x00000000009E6000-memory.dmp

Filesize
24KB

Download
memory/3448-7-0x00007FFFF8690000-0x00007FFFF8885000-memory.dmp

Filesize
2.0MB

Download
memory/3460-3-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3460-6-0x00007FFFF872D000-0x00007FFFF872E000-memory.dmp

Filesize
4KB

Download
memory/3460-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4300-4-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/4300-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4300-10-0x00000000022B0000-0x0000000002CB0000-memory.dmp

Filesize
10.0MB

Download
memory/4300-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4300-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download