tinba | 0fb6075437c15fb7fbb32382dd12e6b398e680b8e7c67aa08042a6b32732d32a

Analysis

max time kernel
149s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
18/05/2026, 22:59

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General

Target
tmpuqzsjy5f.exe
Size 91KB
Sample260518-2yrysadz21
SHA256 0fb6075437c15fb7fbb32382dd12e6b398e680b8e7c67aa08042a6b32732d32a
MD5 189a1053e1a069735095a98f2285f005
SHA1 0b157222944b6c74c41599659e7b9e38a855cab7
SHA512 1aee4650a583c4fe50f38e2b5c3a105ed25753de8eb99ad0d7d82ff9c9397b2d8f51950d8515b94a4789dc4055ecc7399a7d1d9e877bf144518683025539af04
SSDEEP 1536:o9k+nPk8Pw27LfQXJNwJxJ9jgfhWE1jC7yrybfcBySQOW:1+XQX/wJxbgg8jeyoUeh
TLSH
T1B2935AD71A0CD33FF9440AB2585386FDDD66A0270A84EB3E17A7CD102FA6E9CA511357
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

banker discovery tinba persistence trojan

Malware Config

Signatures

Family: Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba

Executes dropped EXE 2 IoCs

pid	Process
4920	bin.exe
2852	bin.exe

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-1-5-21-2043432456-1617298091-2772621413-1000\Software\Microsoft\Windows\CurrentVersion\Run\869BAF65 = "C:\\Users\\Admin\\AppData\\Roaming\\869BAF65\\bin.exe"	EXPLORER.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3940	4240	WerFault.exe	81
1660	2852	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 4 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	tmpuqzsjy5f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpuqzsjy5f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXPLORER.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bin.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4240	EXPLORER.exe
4240	EXPLORER.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4832	tmpuqzsjy5f.exe
4920	bin.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4832 wrote to memory of 3736	4832	tmpuqzsjy5f.exe	80
PID 4832 wrote to memory of 3736	4832	tmpuqzsjy5f.exe	80
PID 4832 wrote to memory of 3736	4832	tmpuqzsjy5f.exe	80
PID 4832 wrote to memory of 3736	4832	tmpuqzsjy5f.exe	80
PID 3736 wrote to memory of 4240	3736	tmpuqzsjy5f.exe	81
PID 3736 wrote to memory of 4240	3736	tmpuqzsjy5f.exe	81
PID 4240 wrote to memory of 2524	4240	EXPLORER.exe	51
PID 4920 wrote to memory of 2852	4920	bin.exe	87
PID 4920 wrote to memory of 2852	4920	bin.exe	87
PID 4920 wrote to memory of 2852	4920	bin.exe	87
PID 4920 wrote to memory of 2852	4920	bin.exe	87

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2524

C:\Users\Admin\AppData\Local\Temp\tmpuqzsjy5f.exe
"C:\Users\Admin\AppData\Local\Temp\tmpuqzsjy5f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4832
- C:\Users\Admin\AppData\Local\Temp\tmpuqzsjy5f.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpuqzsjy5f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3736
- - C:\Windows\SysWOW64\EXPLORER.exe
    EXPLORER
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:4240
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4240 -s 1004
      4⤵
      Program crash
      PID:3940

C:\Users\Admin\AppData\Roaming\869BAF65\bin.exe
C:\Users\Admin\AppData\Roaming\869BAF65\bin.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4920
- C:\Users\Admin\AppData\Roaming\869BAF65\bin.exe
  C:\Users\Admin\AppData\Roaming\869BAF65\bin.exe
  2⤵
  - Executes dropped EXE
  PID:2852
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 84
    3⤵
    - Program crash
    PID:1660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4240 -ip 4240
1⤵
PID:3796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2852 -ip 2852
1⤵
PID:4520

Network

MITRE ATT&CK Enterprise v16

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

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Downloads

bin.exe

Path C:\Users\Admin\AppData\Roaming\869BAF65\bin.exe
Size 91KB
SHA256 0fb6075437c15fb7fbb32382dd12e6b398e680b8e7c67aa08042a6b32732d32a
MD5 189a1053e1a069735095a98f2285f005
SHA1 0b157222944b6c74c41599659e7b9e38a855cab7
SHA512 1aee4650a583c4fe50f38e2b5c3a105ed25753de8eb99ad0d7d82ff9c9397b2d8f51950d8515b94a4789dc4055ecc7399a7d1d9e877bf144518683025539af04
SSDEEP 1536:o9k+nPk8Pw27LfQXJNwJxJ9jgfhWE1jC7yrybfcBySQOW:1+XQX/wJxbgg8jeyoUeh
TLSH
T1B2935AD71A0CD33FF9440AB2585386FDDD66A0270A84EB3E17A7CD102FA6E9CA511357
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2524-17-0x00007FF92D663000-0x00007FF92D664000-memory.dmp

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memory/2524-15-0x0000000000940000-0x0000000000946000-memory.dmp

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memory/2524-16-0x0000000000940000-0x0000000000946000-memory.dmp

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memory/2852-22-0x0000000000400000-0x0000000000404400-memory.dmp

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memory/3736-4-0x00000000001C0000-0x00000000001C1000-memory.dmp

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memory/3736-5-0x0000000000800000-0x0000000001200000-memory.dmp

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memory/3736-8-0x0000000000400000-0x0000000000404400-memory.dmp

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memory/3736-9-0x0000000000800000-0x0000000001200000-memory.dmp

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memory/4240-6-0x0000000001410000-0x0000000001416000-memory.dmp

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memory/4240-7-0x0000000000690000-0x0000000000ABC000-memory.dmp

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memory/4240-18-0x0000000001410000-0x0000000001416000-memory.dmp

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memory/4832-2-0x0000000002190000-0x0000000002196000-memory.dmp

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memory/4832-3-0x0000000002190000-0x0000000002196000-memory.dmp

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memory/4920-20-0x00007FF92D5C0000-0x00007FF92D7C9000-memory.dmp

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memory/4920-23-0x00007FF92D5C0000-0x00007FF92D7C9000-memory.dmp

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