tinba | 761f4953113097dd5a0252a4954c429afd1b5810a91ce81c2a68ee619d8fef03

Analysis

max time kernel
111s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-01-2025 23:52

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General

Target

761f4953113097dd5a0252a4954c429afd1b5810a91ce81c2a68ee619d8fef03N.exe
Size

45KB
MD5

e3d846bef938597601324aa18ce185f0
SHA1

c6918eaf056e698d9ec57e3fcf035bd65ba5b27f
SHA256

761f4953113097dd5a0252a4954c429afd1b5810a91ce81c2a68ee619d8fef03
SHA512

8b2cfdbacb75a460961f95af989b2bc63e4d93833f4aa915f5b1b31a245583f4c7edb5f9f57e87b5cbc0b661c17d5e5352b094723c358a9e220718f73b6ae724
SSDEEP

768:ShP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ23:esWE9N5dFu53dsniQaB/xZ14n7zIF+qj

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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0CF9F7DB = "C:\\Users\\Admin\\AppData\\Roaming\\0CF9F7DB\\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/3716-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3968	968	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	761f4953113097dd5a0252a4954c429afd1b5810a91ce81c2a68ee619d8fef03N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
968	winver.exe
968	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3412	Explorer.EXE
Token: SeCreatePagefilePrivilege	3412	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
968	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3716 wrote to memory of 968	3716	761f4953113097dd5a0252a4954c429afd1b5810a91ce81c2a68ee619d8fef03N.exe	83
PID 3716 wrote to memory of 968	3716	761f4953113097dd5a0252a4954c429afd1b5810a91ce81c2a68ee619d8fef03N.exe	83
PID 3716 wrote to memory of 968	3716	761f4953113097dd5a0252a4954c429afd1b5810a91ce81c2a68ee619d8fef03N.exe	83
PID 3716 wrote to memory of 968	3716	761f4953113097dd5a0252a4954c429afd1b5810a91ce81c2a68ee619d8fef03N.exe	83
PID 968 wrote to memory of 3412	968	winver.exe	55
PID 968 wrote to memory of 2644	968	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2644

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3412
- C:\Users\Admin\AppData\Local\Temp\761f4953113097dd5a0252a4954c429afd1b5810a91ce81c2a68ee619d8fef03N.exe
  "C:\Users\Admin\AppData\Local\Temp\761f4953113097dd5a0252a4954c429afd1b5810a91ce81c2a68ee619d8fef03N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3716
- - 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:968
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 968 -s 352
      4⤵
      Program crash
      PID:3968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 968 -ip 968
1⤵
PID:4952

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/968-5-0x0000000077DF2000-0x0000000077DF3000-memory.dmp

Filesize
4KB

Download
memory/968-14-0x0000000000FD0000-0x0000000000FD6000-memory.dmp

Filesize
24KB

Download
memory/968-11-0x0000000000FD0000-0x0000000000FD6000-memory.dmp

Filesize
24KB

Download
memory/968-7-0x00007FFEA2C30000-0x00007FFEA2E25000-memory.dmp

Filesize
2.0MB

Download
memory/2644-13-0x0000000000020000-0x0000000000026000-memory.dmp

Filesize
24KB

Download
memory/3412-3-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download
memory/3412-6-0x00007FFEA2CCD000-0x00007FFEA2CCE000-memory.dmp

Filesize
4KB

Download
memory/3412-2-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download
memory/3716-4-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/3716-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3716-9-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/3716-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3716-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download