tinba | 1870d793b243ac984d21406a75ab02bb253a727a23ebda8900acdc8a2439fd78

Analysis

max time kernel
115s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2025, 21:24

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General

Target

1870d793b243ac984d21406a75ab02bb253a727a23ebda8900acdc8a2439fd78.exe
Size

110KB
MD5

ca1ad4921c36244782141aba4e5a47e0
SHA1

23c49c58ae4c0e5fd38e84d15ce7655ca8bfe352
SHA256

1870d793b243ac984d21406a75ab02bb253a727a23ebda8900acdc8a2439fd78
SHA512

d4fa16013ac9972a652c9f1e856cdc6df645f0d20dc7b9386cb2794c18e028d715ddc612cf29b749257aa2fff2201480ffa85a0a88f6b162da025dc9dd4fcaf5
SSDEEP

1536:FiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:FiyvRmDLs/ZrwWJjAqGcRJ2hw

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\38097148 = "C:\\Users\\Admin\\AppData\\Roaming\\38097148\\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/2852-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3076	3048	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	1870d793b243ac984d21406a75ab02bb253a727a23ebda8900acdc8a2439fd78.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3048	winver.exe
3048	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3416	Explorer.EXE
Token: SeCreatePagefilePrivilege	3416	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3048	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2852 wrote to memory of 3048	2852	1870d793b243ac984d21406a75ab02bb253a727a23ebda8900acdc8a2439fd78.exe	83
PID 2852 wrote to memory of 3048	2852	1870d793b243ac984d21406a75ab02bb253a727a23ebda8900acdc8a2439fd78.exe	83
PID 2852 wrote to memory of 3048	2852	1870d793b243ac984d21406a75ab02bb253a727a23ebda8900acdc8a2439fd78.exe	83
PID 2852 wrote to memory of 3048	2852	1870d793b243ac984d21406a75ab02bb253a727a23ebda8900acdc8a2439fd78.exe	83
PID 3048 wrote to memory of 3416	3048	winver.exe	56
PID 3048 wrote to memory of 2652	3048	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2652

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3416
- C:\Users\Admin\AppData\Local\Temp\1870d793b243ac984d21406a75ab02bb253a727a23ebda8900acdc8a2439fd78.exe
  "C:\Users\Admin\AppData\Local\Temp\1870d793b243ac984d21406a75ab02bb253a727a23ebda8900acdc8a2439fd78.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2852
- - 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:3048
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 352
      4⤵
      Program crash
      PID:3076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3048 -ip 3048
1⤵
PID:3832

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

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Downloads

memory/2652-13-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/2852-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2852-1-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download
memory/2852-9-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/2852-4-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/2852-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3048-5-0x00000000776C2000-0x00000000776C3000-memory.dmp

Filesize
4KB

Download
memory/3048-7-0x00007FFDDC8F0000-0x00007FFDDCAE5000-memory.dmp

Filesize
2.0MB

Download
memory/3048-11-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/3048-14-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/3416-6-0x00007FFDDC98D000-0x00007FFDDC98E000-memory.dmp

Filesize
4KB

Download
memory/3416-3-0x0000000002430000-0x0000000002436000-memory.dmp

Filesize
24KB

Download
memory/3416-2-0x0000000002430000-0x0000000002436000-memory.dmp

Filesize
24KB

Download