tinba | 4b258791979a84e3dbe69f113b018dd8a60ef4eeff4f22c86c5ad6f46fc8b4fe

General

Target

4b258791979a84e3dbe69f113b018dd8a60ef4eeff4f22c86c5ad6f46fc8b4feN.exe
Size

225KB
MD5

c6176034086a92d4f559f09c0a98de20
SHA1

41d6b42dd02f7e950396945d832143d5c628857e
SHA256

4b258791979a84e3dbe69f113b018dd8a60ef4eeff4f22c86c5ad6f46fc8b4fe
SHA512

75a852bffd6d68f1007770daa5cdeb1df75f2528a042b7458d7dd8cf31ec6f84c25956ecd931870d54485a573e15cc468802d08defc69f390f127de950c780e0
SSDEEP

6144:WA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:WATuTAnKGwUAW3ycQqgf

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\781F2F3F = "C:\\Users\\Admin\\AppData\\Roaming\\781F2F3F\\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	4b258791979a84e3dbe69f113b018dd8a60ef4eeff4f22c86c5ad6f46fc8b4feN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2660	winver.exe
1236	Explorer.EXE
1236	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1236	Explorer.EXE
1236	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 2660	2144	4b258791979a84e3dbe69f113b018dd8a60ef4eeff4f22c86c5ad6f46fc8b4feN.exe	30
PID 2144 wrote to memory of 2660	2144	4b258791979a84e3dbe69f113b018dd8a60ef4eeff4f22c86c5ad6f46fc8b4feN.exe	30
PID 2144 wrote to memory of 2660	2144	4b258791979a84e3dbe69f113b018dd8a60ef4eeff4f22c86c5ad6f46fc8b4feN.exe	30
PID 2144 wrote to memory of 2660	2144	4b258791979a84e3dbe69f113b018dd8a60ef4eeff4f22c86c5ad6f46fc8b4feN.exe	30
PID 2144 wrote to memory of 2660	2144	4b258791979a84e3dbe69f113b018dd8a60ef4eeff4f22c86c5ad6f46fc8b4feN.exe	30
PID 2660 wrote to memory of 1236	2660	winver.exe	21
PID 2660 wrote to memory of 1112	2660	winver.exe	19
PID 2660 wrote to memory of 1176	2660	winver.exe	20
PID 2660 wrote to memory of 1236	2660	winver.exe	21
PID 2660 wrote to memory of 2040	2660	winver.exe	23

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

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:1236
- C:\Users\Admin\AppData\Local\Temp\4b258791979a84e3dbe69f113b018dd8a60ef4eeff4f22c86c5ad6f46fc8b4feN.exe
  "C:\Users\Admin\AppData\Local\Temp\4b258791979a84e3dbe69f113b018dd8a60ef4eeff4f22c86c5ad6f46fc8b4feN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2144
- - 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:2660

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2040

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/1112-11-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1112-24-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1176-26-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1176-14-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1236-6-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1236-3-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1236-25-0x0000000002B30000-0x0000000002B36000-memory.dmp

Filesize
24KB

Download
memory/1236-1-0x0000000002610000-0x0000000002616000-memory.dmp

Filesize
24KB

Download
memory/1236-17-0x0000000002B30000-0x0000000002B36000-memory.dmp

Filesize
24KB

Download
memory/2040-20-0x0000000001E30000-0x0000000001E36000-memory.dmp

Filesize
24KB

Download
memory/2040-27-0x0000000001E30000-0x0000000001E36000-memory.dmp

Filesize
24KB

Download
memory/2144-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2660-23-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2660-4-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2660-29-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads