tinba | 39784f592186890a1639a0ecca272aa5a5b4dbbb27fa84d1430b24d9d3be0da8

Analysis

max time kernel
102s
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
21-01-2025 13:42

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General

Target

39784f592186890a1639a0ecca272aa5a5b4dbbb27fa84d1430b24d9d3be0da8.exe
Size

89KB
MD5

fc4e99aed09ccbcf7dd50cf5f11dfdab
SHA1

909bb0f1522950f768665e5b73481edd39361a37
SHA256

39784f592186890a1639a0ecca272aa5a5b4dbbb27fa84d1430b24d9d3be0da8
SHA512

028722cbd7a0d6137d67c07596d8c273f03cd66a81d922d5d5ed0cbae8b8ad3f48361078c179fb131daf8c66e8b4b2181f5dc77902960fb5c430b2fd700ac810
SSDEEP

1536:Uz44CpRkr9DXhH/2m//56RrufqjhzrmKIFAV0ER:UzvokZRfN/yFj1qrFAHR

Score

10^/10

tinba banker discovery persistence trojan

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\6728DD90 = "C:\\Users\\Admin\\AppData\\Roaming\\6728DD90\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1456	1472	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	39784f592186890a1639a0ecca272aa5a5b4dbbb27fa84d1430b24d9d3be0da8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1472	winver.exe
1472	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1472	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 1472	5056	39784f592186890a1639a0ecca272aa5a5b4dbbb27fa84d1430b24d9d3be0da8.exe	83
PID 5056 wrote to memory of 1472	5056	39784f592186890a1639a0ecca272aa5a5b4dbbb27fa84d1430b24d9d3be0da8.exe	83
PID 5056 wrote to memory of 1472	5056	39784f592186890a1639a0ecca272aa5a5b4dbbb27fa84d1430b24d9d3be0da8.exe	83
PID 5056 wrote to memory of 1472	5056	39784f592186890a1639a0ecca272aa5a5b4dbbb27fa84d1430b24d9d3be0da8.exe	83
PID 1472 wrote to memory of 3500	1472	winver.exe	55
PID 1472 wrote to memory of 2636	1472	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2636

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3500
- C:\Users\Admin\AppData\Local\Temp\39784f592186890a1639a0ecca272aa5a5b4dbbb27fa84d1430b24d9d3be0da8.exe
  "C:\Users\Admin\AppData\Local\Temp\39784f592186890a1639a0ecca272aa5a5b4dbbb27fa84d1430b24d9d3be0da8.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5056
- - 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:1472
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 352
      4⤵
      Program crash
      PID:1456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1472 -ip 1472
1⤵
PID:2560

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/1472-6-0x0000000077A82000-0x0000000077A83000-memory.dmp

Filesize
4KB

Download
memory/1472-15-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/1472-8-0x00007FFBF0670000-0x00007FFBF0865000-memory.dmp

Filesize
2.0MB

Download
memory/1472-5-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/2636-14-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3500-2-0x00000000011A0000-0x00000000011A6000-memory.dmp

Filesize
24KB

Download
memory/3500-7-0x00007FFBF070D000-0x00007FFBF070E000-memory.dmp

Filesize
4KB

Download
memory/3500-3-0x00000000011A0000-0x00000000011A6000-memory.dmp

Filesize
24KB

Download
memory/5056-4-0x0000000002300000-0x0000000002D00000-memory.dmp

Filesize
10.0MB

Download
memory/5056-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/5056-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/5056-10-0x0000000002300000-0x0000000002D00000-memory.dmp

Filesize
10.0MB

Download
memory/5056-1-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download