tinba | 68026e08844f2ad4f7ba1d19d90466f9b027b8cb03da1f3113e75f32c1627ac0

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17/10/2024, 22:48

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General

Target

68026e08844f2ad4f7ba1d19d90466f9b027b8cb03da1f3113e75f32c1627ac0.exe
Size

237KB
MD5

7ac6e1817ef9c26985f74883d3616801
SHA1

2fe59492c019c33fc28e96faeef23087c47c1718
SHA256

68026e08844f2ad4f7ba1d19d90466f9b027b8cb03da1f3113e75f32c1627ac0
SHA512

d7aba9e77f4ad67812e4655706e10a4e7ef05f4e3d408f02a06ed30049b4d9c1ae0768c310e9cb71a256e231a8998a823da6fefc81fd459afd0df0373fdd1500
SSDEEP

6144:QA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:QATuTAnKGwUAWVycQqgj

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

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\1AAC5FDC = "C:\\Users\\Admin\\AppData\\Roaming\\1AAC5FDC\\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	68026e08844f2ad4f7ba1d19d90466f9b027b8cb03da1f3113e75f32c1627ac0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe
2228	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2228	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 2228	1908	68026e08844f2ad4f7ba1d19d90466f9b027b8cb03da1f3113e75f32c1627ac0.exe	31
PID 1908 wrote to memory of 2228	1908	68026e08844f2ad4f7ba1d19d90466f9b027b8cb03da1f3113e75f32c1627ac0.exe	31
PID 1908 wrote to memory of 2228	1908	68026e08844f2ad4f7ba1d19d90466f9b027b8cb03da1f3113e75f32c1627ac0.exe	31
PID 1908 wrote to memory of 2228	1908	68026e08844f2ad4f7ba1d19d90466f9b027b8cb03da1f3113e75f32c1627ac0.exe	31
PID 1908 wrote to memory of 2228	1908	68026e08844f2ad4f7ba1d19d90466f9b027b8cb03da1f3113e75f32c1627ac0.exe	31
PID 2228 wrote to memory of 1204	2228	winver.exe	21
PID 2228 wrote to memory of 1112	2228	winver.exe	19
PID 2228 wrote to memory of 1164	2228	winver.exe	20
PID 2228 wrote to memory of 1204	2228	winver.exe	21
PID 2228 wrote to memory of 1656	2228	winver.exe	25
PID 2228 wrote to memory of 1908	2228	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\68026e08844f2ad4f7ba1d19d90466f9b027b8cb03da1f3113e75f32c1627ac0.exe
  "C:\Users\Admin\AppData\Local\Temp\68026e08844f2ad4f7ba1d19d90466f9b027b8cb03da1f3113e75f32c1627ac0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1908
- - 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:2228

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1656

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/1112-29-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1112-9-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1164-12-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1164-28-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1204-15-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1204-1-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1204-6-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1204-27-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1656-18-0x0000000001BE0000-0x0000000001BE6000-memory.dmp

Filesize
24KB

Download
memory/1656-26-0x0000000001BE0000-0x0000000001BE6000-memory.dmp

Filesize
24KB

Download
memory/1908-25-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2228-23-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/2228-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2228-31-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download