tinba | 0fb6075437c15fb7fbb32382dd12e6b398e680b8e7c67aa08042a6b32732d32a

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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
3396	bin.exe
4620	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-1-5-21-3053180483-1881419501-3594244048-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\56EC41A5 = "C:\\Users\\Admin\\AppData\\Roaming\\56EC41A5\\bin.exe"	EXPLORER.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
5140	3016	WerFault.exe	87
1360	4084	WerFault.exe	97

System Location Discovery: System Language Discovery 1 TTPs 6 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	EXPLORER.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bin.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bin.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXPLORER.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpuqzsjy5f.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3016	EXPLORER.exe
3016	EXPLORER.exe
4084	EXPLORER.exe
4084	EXPLORER.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4560	tmpuqzsjy5f.exe
3396	bin.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4560 wrote to memory of 1808	4560	tmpuqzsjy5f.exe	86
PID 4560 wrote to memory of 1808	4560	tmpuqzsjy5f.exe	86
PID 4560 wrote to memory of 1808	4560	tmpuqzsjy5f.exe	86
PID 4560 wrote to memory of 1808	4560	tmpuqzsjy5f.exe	86
PID 1808 wrote to memory of 3016	1808	tmpuqzsjy5f.exe	87
PID 1808 wrote to memory of 3016	1808	tmpuqzsjy5f.exe	87
PID 3016 wrote to memory of 2972	3016	EXPLORER.exe	51
PID 3396 wrote to memory of 4620	3396	bin.exe	96
PID 3396 wrote to memory of 4620	3396	bin.exe	96
PID 3396 wrote to memory of 4620	3396	bin.exe	96
PID 3396 wrote to memory of 4620	3396	bin.exe	96
PID 4620 wrote to memory of 4084	4620	bin.exe	97
PID 4620 wrote to memory of 4084	4620	bin.exe	97
PID 4084 wrote to memory of 2972	4084	EXPLORER.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2972

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:4560
- 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:1808
- - 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:3016
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3016 -s 1008
      4⤵
      Program crash
      PID:5140

C:\Users\Admin\AppData\Roaming\56EC41A5\bin.exe
C:\Users\Admin\AppData\Roaming\56EC41A5\bin.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3396
- C:\Users\Admin\AppData\Roaming\56EC41A5\bin.exe
  C:\Users\Admin\AppData\Roaming\56EC41A5\bin.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4620
- - C:\Windows\SysWOW64\EXPLORER.exe
    EXPLORER
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:4084
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 808
      4⤵
      Program crash
      PID:1360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3016 -ip 3016
1⤵
PID:1060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4084 -ip 4084
1⤵
PID:3776

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\56EC41A5\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

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memory/1808-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

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memory/1808-6-0x00000000006D0000-0x00000000010D0000-memory.dmp

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memory/1808-9-0x0000000000400000-0x0000000000404400-memory.dmp

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memory/1808-10-0x00000000006D0000-0x00000000010D0000-memory.dmp

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memory/2972-17-0x0000000000320000-0x0000000000326000-memory.dmp

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memory/2972-30-0x00007FFC91BD0000-0x00007FFC91BD1000-memory.dmp

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memory/2972-29-0x0000000000330000-0x0000000000336000-memory.dmp

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memory/2972-26-0x0000000000330000-0x0000000000336000-memory.dmp

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memory/2972-18-0x00007FFC91A4D000-0x00007FFC91A4E000-memory.dmp

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memory/3016-7-0x0000000077812000-0x0000000077813000-memory.dmp

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memory/3016-20-0x0000000001290000-0x0000000001296000-memory.dmp

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memory/3016-8-0x0000000001290000-0x0000000001296000-memory.dmp

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memory/3016-5-0x0000000001290000-0x0000000001296000-memory.dmp

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memory/3396-22-0x00007FFC919B0000-0x00007FFC91BA5000-memory.dmp

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memory/4084-24-0x0000000001720000-0x0000000001726000-memory.dmp

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memory/4084-27-0x0000000001720000-0x0000000001726000-memory.dmp

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memory/4560-2-0x00000000005E0000-0x00000000005E6000-memory.dmp

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memory/4560-4-0x00000000005E0000-0x00000000005E6000-memory.dmp

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memory/4620-23-0x00007FFC919B0000-0x00007FFC91BA5000-memory.dmp

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