tinba | 7b952189267af0431899d3fae9b8e55025c4e4902326ddb85002bd12600c6040

Analysis

max time kernel
111s
max time network
97s
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 06:23

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General

Target

7b952189267af0431899d3fae9b8e55025c4e4902326ddb85002bd12600c6040.exe
Size

45KB
MD5

8f337b7f10de31a7e0a1b09f26d743d4
SHA1

ded26acd099db04d501a2d168d56c7a1dd519c0a
SHA256

7b952189267af0431899d3fae9b8e55025c4e4902326ddb85002bd12600c6040
SHA512

13c2f205e6e9ba303c32afce220992991ab925aee83db9a22530a57aa4ac04b9df85ca85b1f3fe4350815ae121beac0b08ce8f8737d73c5796ec8eec0334247f
SSDEEP

768:yhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2X:+sWE9N5dFu53dsniQaB/xZ14n7zIF+qD

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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5C4FB113 = "C:\\Users\\Admin\\AppData\\Roaming\\5C4FB113\\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/1916-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
232	3508	WerFault.exe	83

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	7b952189267af0431899d3fae9b8e55025c4e4902326ddb85002bd12600c6040.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3508	winver.exe
3508	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3356	Explorer.EXE
Token: SeCreatePagefilePrivilege	3356	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3508	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 3508	1916	7b952189267af0431899d3fae9b8e55025c4e4902326ddb85002bd12600c6040.exe	83
PID 1916 wrote to memory of 3508	1916	7b952189267af0431899d3fae9b8e55025c4e4902326ddb85002bd12600c6040.exe	83
PID 1916 wrote to memory of 3508	1916	7b952189267af0431899d3fae9b8e55025c4e4902326ddb85002bd12600c6040.exe	83
PID 1916 wrote to memory of 3508	1916	7b952189267af0431899d3fae9b8e55025c4e4902326ddb85002bd12600c6040.exe	83
PID 3508 wrote to memory of 3356	3508	winver.exe	55
PID 3508 wrote to memory of 2688	3508	winver.exe	47

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2688

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3356
- C:\Users\Admin\AppData\Local\Temp\7b952189267af0431899d3fae9b8e55025c4e4902326ddb85002bd12600c6040.exe
  "C:\Users\Admin\AppData\Local\Temp\7b952189267af0431899d3fae9b8e55025c4e4902326ddb85002bd12600c6040.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1916
- - 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:3508
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3508 -s 356
      4⤵
      Program crash
      PID:232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3508 -ip 3508
1⤵
PID:3960

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/1916-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1916-1-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/1916-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1916-4-0x00000000022F0000-0x0000000002CF0000-memory.dmp

Filesize
10.0MB

Download
memory/1916-9-0x00000000022F0000-0x0000000002CF0000-memory.dmp

Filesize
10.0MB

Download
memory/2688-13-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/3356-2-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

Filesize
24KB

Download
memory/3356-6-0x00007FFDDADED000-0x00007FFDDADEE000-memory.dmp

Filesize
4KB

Download
memory/3356-3-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

Filesize
24KB

Download
memory/3508-7-0x00007FFDDAD50000-0x00007FFDDAF45000-memory.dmp

Filesize
2.0MB

Download
memory/3508-5-0x0000000077C02000-0x0000000077C03000-memory.dmp

Filesize
4KB

Download
memory/3508-11-0x0000000002470000-0x0000000002476000-memory.dmp

Filesize
24KB

Download
memory/3508-14-0x0000000002470000-0x0000000002476000-memory.dmp

Filesize
24KB

Download