tinba | ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 04:20

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General

Target

ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663.exe
Size

225KB
MD5

f7c530b83d8b1a0d029861f4b3bb97f4
SHA1

d76b31ae643e49bdb9896a4db8a157d0a863d329
SHA256

ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663
SHA512

9357a487efdf9e0011c5f00808d19211393deb1c3f78f44da4a89f890e9cbbf1225d642a01503067a5ae94e334975dd292e4373507696a2e91d2b5816c48dcff
SSDEEP

6144:tA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:tATuTAnKGwUAW3ycQqgf

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\0C0F6A1C = "C:\\Users\\Admin\\AppData\\Roaming\\0C0F6A1C\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe
1780	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1780	winver.exe
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 844 wrote to memory of 1780	844	ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663.exe	30
PID 844 wrote to memory of 1780	844	ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663.exe	30
PID 844 wrote to memory of 1780	844	ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663.exe	30
PID 844 wrote to memory of 1780	844	ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663.exe	30
PID 844 wrote to memory of 1780	844	ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663.exe	30
PID 1780 wrote to memory of 1256	1780	winver.exe	21
PID 1780 wrote to memory of 1128	1780	winver.exe	19
PID 1780 wrote to memory of 1204	1780	winver.exe	20
PID 1780 wrote to memory of 1256	1780	winver.exe	21
PID 1780 wrote to memory of 1092	1780	winver.exe	25
PID 1780 wrote to memory of 844	1780	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1128

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1204

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1256
- C:\Users\Admin\AppData\Local\Temp\ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663.exe
  "C:\Users\Admin\AppData\Local\Temp\ea9850669e964bac88a1f10aff37c039a00774443df40d45753e9c692ef90663.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:844
- - 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:1780

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1092

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 Information Discovery

T1082

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/844-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1092-29-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/1092-20-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/1128-26-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1128-11-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1204-14-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1204-28-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1256-1-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1256-17-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/1256-3-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1256-27-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/1256-6-0x00000000029D0000-0x00000000029D6000-memory.dmp

Filesize
24KB

Download
memory/1780-25-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1780-4-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1780-31-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download