tinba | 721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264

General

Target

721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264.exe
Size

610KB
MD5

05c785cff90081fe294c8c8a6a38e8b2
SHA1

88dcce3432223ed1f82de31efe67da31b2d7be81
SHA256

721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264
SHA512

dc81385934af56cc4b987ae2266546d1514ba183d65c10d21ff258c952614c67f52abfb5af74e9854e50d60a7c082edd56eb497db437b03be07f1c8f0b9cbf1c
SSDEEP

12288:EATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:6T+KjUdQqboyyWoK1NGqzuhj

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\992DEF0C = "C:\\Users\\Admin\\AppData\\Roaming\\992DEF0C\\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	721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe
2572	winver.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2572	winver.exe
1252	Explorer.EXE
1252	Explorer.EXE
1252	Explorer.EXE

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1252	Explorer.EXE
1252	Explorer.EXE
1252	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 2572	2892	721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264.exe	31
PID 2892 wrote to memory of 2572	2892	721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264.exe	31
PID 2892 wrote to memory of 2572	2892	721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264.exe	31
PID 2892 wrote to memory of 2572	2892	721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264.exe	31
PID 2892 wrote to memory of 2572	2892	721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264.exe	31
PID 2572 wrote to memory of 1252	2572	winver.exe	21
PID 2572 wrote to memory of 1104	2572	winver.exe	19
PID 2572 wrote to memory of 1168	2572	winver.exe	20
PID 2572 wrote to memory of 1252	2572	winver.exe	21
PID 2572 wrote to memory of 1348	2572	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1252
- C:\Users\Admin\AppData\Local\Temp\721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264.exe
  "C:\Users\Admin\AppData\Local\Temp\721b09e59311a6c98d4e7500baf334b3bd3bbc7b1497c3bb782e149a0267f264.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2892
- - 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:2572

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1348

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1104-11-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1104-26-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/1168-24-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-14-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1252-6-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1252-17-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1252-1-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1252-3-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1252-25-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1348-20-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/1348-27-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/2572-4-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2572-23-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2572-29-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2892-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads