tinba | a87231d678ab6489f9aab44a568fe454c8ec0eaafb94b5e1d5a8f82b167a01cc

Analysis

max time kernel
149s
max time network
147s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
27/10/2024, 14:10

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General

Target

a87231d678ab6489f9aab44a568fe454c8ec0eaafb94b5e1d5a8f82b167a01ccN.exe
Size

152KB
MD5

31f3867cfc5cc34e70281f1f630edbb0
SHA1

3c4ff21af64d5156f75499f4308a463405ccb08a
SHA256

a87231d678ab6489f9aab44a568fe454c8ec0eaafb94b5e1d5a8f82b167a01cc
SHA512

f1e746cc87b254fe7f9b16ee19f309baddefb59fed4d01063fb5e273e33deaa9175983d8b954bf22d5f4620631d228f50c7ed617ca9a62d8b1789369e347e836
SSDEEP

1536:a6myQm5x9jSp42U/35fK6q+vMoGMaK9aWLwbOB0QQiz:fn3Wy2w5fK6tvFt9aW+Ozfz

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\634A6DF8 = "C:\\Users\\Admin\\AppData\\Roaming\\634A6DF8\\bin.exe"	winver.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2972 set thread context of 2536	2972	a87231d678ab6489f9aab44a568fe454c8ec0eaafb94b5e1d5a8f82b167a01ccN.exe	30

System Location Discovery: System Language Discovery 1 TTPs 3 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	a87231d678ab6489f9aab44a568fe454c8ec0eaafb94b5e1d5a8f82b167a01ccN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a87231d678ab6489f9aab44a568fe454c8ec0eaafb94b5e1d5a8f82b167a01ccN.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe
2404	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2404	winver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2972	a87231d678ab6489f9aab44a568fe454c8ec0eaafb94b5e1d5a8f82b167a01ccN.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 2536	2972	a87231d678ab6489f9aab44a568fe454c8ec0eaafb94b5e1d5a8f82b167a01ccN.exe	30
PID 2972 wrote to memory of 2536	2972	a87231d678ab6489f9aab44a568fe454c8ec0eaafb94b5e1d5a8f82b167a01ccN.exe	30
PID 2972 wrote to memory of 2536	2972	a87231d678ab6489f9aab44a568fe454c8ec0eaafb94b5e1d5a8f82b167a01ccN.exe	30
PID 2972 wrote to memory of 2536	2972	a87231d678ab6489f9aab44a568fe454c8ec0eaafb94b5e1d5a8f82b167a01ccN.exe	30
PID 2972 wrote to memory of 2536	2972	a87231d678ab6489f9aab44a568fe454c8ec0eaafb94b5e1d5a8f82b167a01ccN.exe	30
PID 2972 wrote to memory of 2536	2972	a87231d678ab6489f9aab44a568fe454c8ec0eaafb94b5e1d5a8f82b167a01ccN.exe	30
PID 2972 wrote to memory of 2536	2972	a87231d678ab6489f9aab44a568fe454c8ec0eaafb94b5e1d5a8f82b167a01ccN.exe	30
PID 2972 wrote to memory of 2536	2972	a87231d678ab6489f9aab44a568fe454c8ec0eaafb94b5e1d5a8f82b167a01ccN.exe	30
PID 2536 wrote to memory of 2404	2536	a87231d678ab6489f9aab44a568fe454c8ec0eaafb94b5e1d5a8f82b167a01ccN.exe	31
PID 2536 wrote to memory of 2404	2536	a87231d678ab6489f9aab44a568fe454c8ec0eaafb94b5e1d5a8f82b167a01ccN.exe	31
PID 2536 wrote to memory of 2404	2536	a87231d678ab6489f9aab44a568fe454c8ec0eaafb94b5e1d5a8f82b167a01ccN.exe	31
PID 2536 wrote to memory of 2404	2536	a87231d678ab6489f9aab44a568fe454c8ec0eaafb94b5e1d5a8f82b167a01ccN.exe	31
PID 2536 wrote to memory of 2404	2536	a87231d678ab6489f9aab44a568fe454c8ec0eaafb94b5e1d5a8f82b167a01ccN.exe	31
PID 2404 wrote to memory of 1212	2404	winver.exe	21
PID 2404 wrote to memory of 1088	2404	winver.exe	19
PID 2404 wrote to memory of 1168	2404	winver.exe	20
PID 2404 wrote to memory of 1212	2404	winver.exe	21
PID 2404 wrote to memory of 1444	2404	winver.exe	25
PID 2404 wrote to memory of 2536	2404	winver.exe	30

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1088

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\a87231d678ab6489f9aab44a568fe454c8ec0eaafb94b5e1d5a8f82b167a01ccN.exe
  "C:\Users\Admin\AppData\Local\Temp\a87231d678ab6489f9aab44a568fe454c8ec0eaafb94b5e1d5a8f82b167a01ccN.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2972
- - C:\Users\Admin\AppData\Local\Temp\a87231d678ab6489f9aab44a568fe454c8ec0eaafb94b5e1d5a8f82b167a01ccN.exe
    "C:\Users\Admin\AppData\Local\Temp\a87231d678ab6489f9aab44a568fe454c8ec0eaafb94b5e1d5a8f82b167a01ccN.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2536
  - - C:\Windows\SysWOW64\winver.exe
      winver
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:2404

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1444

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/1088-15-0x00000000020F0000-0x00000000020F7000-memory.dmp

Filesize
28KB

Download
memory/1088-27-0x00000000020F0000-0x00000000020F7000-memory.dmp

Filesize
28KB

Download
memory/1088-28-0x00000000774E1000-0x00000000774E2000-memory.dmp

Filesize
4KB

Download
memory/1168-30-0x0000000000130000-0x0000000000137000-memory.dmp

Filesize
28KB

Download
memory/1168-19-0x0000000000130000-0x0000000000137000-memory.dmp

Filesize
28KB

Download
memory/1212-29-0x0000000002AC0000-0x0000000002AC7000-memory.dmp

Filesize
28KB

Download
memory/1212-3-0x0000000002AB0000-0x0000000002AB7000-memory.dmp

Filesize
28KB

Download
memory/1212-8-0x0000000002AB0000-0x0000000002AB7000-memory.dmp

Filesize
28KB

Download
memory/1212-22-0x0000000002AC0000-0x0000000002AC7000-memory.dmp

Filesize
28KB

Download
memory/1212-10-0x00000000774E1000-0x00000000774E2000-memory.dmp

Filesize
4KB

Download
memory/1212-4-0x0000000002AB0000-0x0000000002AB7000-memory.dmp

Filesize
28KB

Download
memory/1444-24-0x0000000001D90000-0x0000000001D97000-memory.dmp

Filesize
28KB

Download
memory/1444-31-0x0000000001D90000-0x0000000001D97000-memory.dmp

Filesize
28KB

Download
memory/1444-32-0x00000000774E1000-0x00000000774E2000-memory.dmp

Filesize
4KB

Download
memory/2404-5-0x0000000000120000-0x0000000000127000-memory.dmp

Filesize
28KB

Download
memory/2404-11-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/2404-7-0x0000000000461000-0x0000000000462000-memory.dmp

Filesize
4KB

Download
memory/2404-9-0x0000000000460000-0x0000000000476000-memory.dmp

Filesize
88KB

Download
memory/2536-2-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download