tinba | bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 02:50

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General

Target

bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0.exe
Size

610KB
MD5

e887c5f8cf73b3fcb7df7887f7c94e2a
SHA1

1feaa6807299f8ff4c5296f8d7573a8612cab709
SHA256

bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0
SHA512

149b0f5bfbeb91e44a2c77fa7e3089497baa035f463e65d4d1e7e1e732ebbc5f22f244abe4e0ae2cb176f52ade69be4ea5b146282c64b9d4fb5f6506cf3143a0
SSDEEP

12288:OATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:gT+KjUdQqboyyWoK1NGqzuhb

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\99F0D1D3 = "C:\\Users\\Admin\\AppData\\Roaming\\99F0D1D3\\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	bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe
2872	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2872	winver.exe
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 2872	2604	bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0.exe	31
PID 2604 wrote to memory of 2872	2604	bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0.exe	31
PID 2604 wrote to memory of 2872	2604	bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0.exe	31
PID 2604 wrote to memory of 2872	2604	bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0.exe	31
PID 2604 wrote to memory of 2872	2604	bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0.exe	31
PID 2872 wrote to memory of 1232	2872	winver.exe	21
PID 2872 wrote to memory of 1116	2872	winver.exe	19
PID 2872 wrote to memory of 1176	2872	winver.exe	20
PID 2872 wrote to memory of 1232	2872	winver.exe	21
PID 2872 wrote to memory of 1848	2872	winver.exe	25
PID 2872 wrote to memory of 2604	2872	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1232
- C:\Users\Admin\AppData\Local\Temp\bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0.exe
  "C:\Users\Admin\AppData\Local\Temp\bf5d2bead87e18b1779fff22b385cd95fdafe22007bb5a1e3a6e7cba43e48cd0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2604
- - 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:2872

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1848

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/1116-29-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1116-11-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1176-14-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1176-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1232-1-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1232-17-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/1232-6-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1232-3-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1232-27-0x0000000002E50000-0x0000000002E56000-memory.dmp

Filesize
24KB

Download
memory/1848-20-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/1848-26-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/2604-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2872-25-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2872-4-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2872-31-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download