tinba | e27bb617f275714b301f5a73afb055ea8b75cfa0a8d01850be60fdaf22817130

Analysis

max time kernel
140s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2025 22:48

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General

Target

e27bb617f275714b301f5a73afb055ea8b75cfa0a8d01850be60fdaf22817130.exe
Size

59KB
MD5

11dbd3b89a7eba591434bae7f34feef1
SHA1

16887b950fcd85c3588c06545d12e37fd2f83bd3
SHA256

e27bb617f275714b301f5a73afb055ea8b75cfa0a8d01850be60fdaf22817130
SHA512

c2468f73ea78813ee01761055e2ca2cc8411d34da1b4493ff292a0c3d066d8f3aff0ad9ec84c2c58116b4d1a7783bf2373488af1e231c5509f276198f30d7047
SSDEEP

768:T+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9Jn:T+mFM2HXKZgiFP7xIksu+XM5O9Jn

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\62A2049E = "C:\\Users\\Admin\\AppData\\Roaming\\62A2049E\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2096	4896	WerFault.exe	84

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	e27bb617f275714b301f5a73afb055ea8b75cfa0a8d01850be60fdaf22817130.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4896	winver.exe
4896	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4896	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 4896	2968	e27bb617f275714b301f5a73afb055ea8b75cfa0a8d01850be60fdaf22817130.exe	84
PID 2968 wrote to memory of 4896	2968	e27bb617f275714b301f5a73afb055ea8b75cfa0a8d01850be60fdaf22817130.exe	84
PID 2968 wrote to memory of 4896	2968	e27bb617f275714b301f5a73afb055ea8b75cfa0a8d01850be60fdaf22817130.exe	84
PID 2968 wrote to memory of 4896	2968	e27bb617f275714b301f5a73afb055ea8b75cfa0a8d01850be60fdaf22817130.exe	84
PID 4896 wrote to memory of 3436	4896	winver.exe	56
PID 4896 wrote to memory of 2616	4896	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2616

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\e27bb617f275714b301f5a73afb055ea8b75cfa0a8d01850be60fdaf22817130.exe
  "C:\Users\Admin\AppData\Local\Temp\e27bb617f275714b301f5a73afb055ea8b75cfa0a8d01850be60fdaf22817130.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2968
- - 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:4896
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4896 -s 356
      4⤵
      Program crash
      PID:2096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4896 -ip 4896
1⤵
PID:4648

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/2616-12-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2968-0-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/2968-3-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/2968-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2968-8-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/3436-2-0x0000000000850000-0x0000000000856000-memory.dmp

Filesize
24KB

Download
memory/3436-1-0x0000000000850000-0x0000000000856000-memory.dmp

Filesize
24KB

Download
memory/3436-5-0x00007FFC9E28D000-0x00007FFC9E28E000-memory.dmp

Filesize
4KB

Download
memory/4896-4-0x0000000077062000-0x0000000077063000-memory.dmp

Filesize
4KB

Download
memory/4896-6-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

Filesize
2.0MB

Download
memory/4896-10-0x0000000000B50000-0x0000000000B56000-memory.dmp

Filesize
24KB

Download
memory/4896-13-0x0000000000B50000-0x0000000000B56000-memory.dmp

Filesize
24KB

Download