tinba | e0435141c6a05631ca54de7266783f556bb0171703e5ce2ea5af26c5ec4ffe7c

Analysis

max time kernel
118s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27/10/2024, 03:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

e0435141c6a05631ca54de7266783f556bb0171703e5ce2ea5af26c5ec4ffe7cN.exe
Size

59KB
MD5

5d2ac99cd39b389ff98ad74d77d22fe0
SHA1

d45fedbd94ebfbbe875ebb8821e88ab06f12aac3
SHA256

e0435141c6a05631ca54de7266783f556bb0171703e5ce2ea5af26c5ec4ffe7c
SHA512

a9a93d5fb5ef1ef754a4380243529c8d4796d79f67e8b463c0f2ee526057703ef9e3196f8539e4919731ca3a40a3cc1f973503cbbbc7909e9c8bcf8ebc8b4a03
SSDEEP

768:X+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:X+mFM2HXKZgiFP7xIksu+XM5O9J1

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\208011B2 = "C:\\Users\\Admin\\AppData\\Roaming\\208011B2\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4768	4964	WerFault.exe	86

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e0435141c6a05631ca54de7266783f556bb0171703e5ce2ea5af26c5ec4ffe7cN.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4964	winver.exe
4964	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4964	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3452	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 4964	1720	e0435141c6a05631ca54de7266783f556bb0171703e5ce2ea5af26c5ec4ffe7cN.exe	86
PID 1720 wrote to memory of 4964	1720	e0435141c6a05631ca54de7266783f556bb0171703e5ce2ea5af26c5ec4ffe7cN.exe	86
PID 1720 wrote to memory of 4964	1720	e0435141c6a05631ca54de7266783f556bb0171703e5ce2ea5af26c5ec4ffe7cN.exe	86
PID 1720 wrote to memory of 4964	1720	e0435141c6a05631ca54de7266783f556bb0171703e5ce2ea5af26c5ec4ffe7cN.exe	86
PID 4964 wrote to memory of 3452	4964	winver.exe	56
PID 4964 wrote to memory of 696	4964	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:696

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3452
- C:\Users\Admin\AppData\Local\Temp\e0435141c6a05631ca54de7266783f556bb0171703e5ce2ea5af26c5ec4ffe7cN.exe
  "C:\Users\Admin\AppData\Local\Temp\e0435141c6a05631ca54de7266783f556bb0171703e5ce2ea5af26c5ec4ffe7cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1720
- - 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:4964
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 352
      4⤵
      Program crash
      PID:4768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4964 -ip 4964
1⤵
PID:644

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

Loading Replay Monitor...

Downloads

memory/696-13-0x00000000009A0000-0x00000000009A6000-memory.dmp

Filesize
24KB

Download
memory/696-16-0x00007FFF09FB0000-0x00007FFF09FB1000-memory.dmp

Filesize
4KB

Download
memory/1720-9-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Filesize
10.0MB

Download
memory/1720-3-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Filesize
10.0MB

Download
memory/1720-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1720-0-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/3452-5-0x00007FFF09E2D000-0x00007FFF09E2E000-memory.dmp

Filesize
4KB

Download
memory/3452-7-0x00007FFF09FC0000-0x00007FFF09FC1000-memory.dmp

Filesize
4KB

Download
memory/3452-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3452-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4964-4-0x0000000077D42000-0x0000000077D43000-memory.dmp

Filesize
4KB

Download
memory/4964-6-0x00007FFF09D90000-0x00007FFF09F85000-memory.dmp

Filesize
2.0MB

Download
memory/4964-11-0x0000000002740000-0x0000000002746000-memory.dmp

Filesize
24KB

Download
memory/4964-14-0x0000000002740000-0x0000000002746000-memory.dmp

Filesize
24KB

Download