tinba | 4b4bee948e832d47ce4edb0d2ba8703e259b2d9034a6768645aac1283aa18637

General

Target

4b4bee948e832d47ce4edb0d2ba8703e259b2d9034a6768645aac1283aa18637N.exe
Size

225KB
MD5

92081f637065eed880b0983f8748f380
SHA1

e82cde22f6fa96596111d6388aa0b85ce898eb64
SHA256

4b4bee948e832d47ce4edb0d2ba8703e259b2d9034a6768645aac1283aa18637
SHA512

4597026c8676db3f743070a3da7fac1d0001caf4522bef333f5b2fccfd1f4b3b22a324e7b725bdf4ce83b3c1262eb963d3016466f3ecd05ff0ae3d925d06f5a6
SSDEEP

6144:RA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:RATuTAnKGwUAW3ycQqgf

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\13040C7F = "C:\\Users\\Admin\\AppData\\Roaming\\13040C7F\\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	4b4bee948e832d47ce4edb0d2ba8703e259b2d9034a6768645aac1283aa18637N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe
2788	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2788	winver.exe
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 2788	2528	4b4bee948e832d47ce4edb0d2ba8703e259b2d9034a6768645aac1283aa18637N.exe	31
PID 2528 wrote to memory of 2788	2528	4b4bee948e832d47ce4edb0d2ba8703e259b2d9034a6768645aac1283aa18637N.exe	31
PID 2528 wrote to memory of 2788	2528	4b4bee948e832d47ce4edb0d2ba8703e259b2d9034a6768645aac1283aa18637N.exe	31
PID 2528 wrote to memory of 2788	2528	4b4bee948e832d47ce4edb0d2ba8703e259b2d9034a6768645aac1283aa18637N.exe	31
PID 2528 wrote to memory of 2788	2528	4b4bee948e832d47ce4edb0d2ba8703e259b2d9034a6768645aac1283aa18637N.exe	31
PID 2788 wrote to memory of 1196	2788	winver.exe	21
PID 2788 wrote to memory of 1108	2788	winver.exe	19
PID 2788 wrote to memory of 1172	2788	winver.exe	20
PID 2788 wrote to memory of 1196	2788	winver.exe	21
PID 2788 wrote to memory of 1636	2788	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1196
- C:\Users\Admin\AppData\Local\Temp\4b4bee948e832d47ce4edb0d2ba8703e259b2d9034a6768645aac1283aa18637N.exe
  "C:\Users\Admin\AppData\Local\Temp\4b4bee948e832d47ce4edb0d2ba8703e259b2d9034a6768645aac1283aa18637N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2528
- - 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:2788

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1636

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/1108-24-0x0000000002030000-0x0000000002036000-memory.dmp

Filesize
24KB

Download
memory/1108-11-0x0000000002030000-0x0000000002036000-memory.dmp

Filesize
24KB

Download
memory/1172-14-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1172-26-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x00000000029B0000-0x00000000029B6000-memory.dmp

Filesize
24KB

Download
memory/1196-17-0x0000000002D40000-0x0000000002D46000-memory.dmp

Filesize
24KB

Download
memory/1196-1-0x00000000029B0000-0x00000000029B6000-memory.dmp

Filesize
24KB

Download
memory/1196-6-0x00000000029B0000-0x00000000029B6000-memory.dmp

Filesize
24KB

Download
memory/1196-25-0x0000000002D40000-0x0000000002D46000-memory.dmp

Filesize
24KB

Download
memory/1636-20-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1636-27-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/2528-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2788-23-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2788-4-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2788-29-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads