tinba | 802f9b6593f3a015518845b1bdc5f1c1e3cf22f8a627d771b961e5f120cfc47b

General

Target

83f037c0fde3ddf84c309102f5344500N.exe
Size

225KB
MD5

83f037c0fde3ddf84c309102f5344500
SHA1

7e72832180ba6d0539ac31f4471c12c9ee5d40bd
SHA256

802f9b6593f3a015518845b1bdc5f1c1e3cf22f8a627d771b961e5f120cfc47b
SHA512

19c3309ac802606cdf3c3f2644a88deb8aa8814f0e3f46299f9eb767a083abfdeb193c16028b97a3957d0fcf35958918f35e6f2bf38468eda559b44c5f4c53e3
SSDEEP

6144:LA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:LATuTAnKGwUAW3ycQqgf

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-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\D0C3714B = "C:\\Users\\Admin\\AppData\\Roaming\\D0C3714B\\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	83f037c0fde3ddf84c309102f5344500N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe
2636	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2636	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2636	2672	83f037c0fde3ddf84c309102f5344500N.exe	30
PID 2672 wrote to memory of 2636	2672	83f037c0fde3ddf84c309102f5344500N.exe	30
PID 2672 wrote to memory of 2636	2672	83f037c0fde3ddf84c309102f5344500N.exe	30
PID 2672 wrote to memory of 2636	2672	83f037c0fde3ddf84c309102f5344500N.exe	30
PID 2672 wrote to memory of 2636	2672	83f037c0fde3ddf84c309102f5344500N.exe	30
PID 2636 wrote to memory of 1188	2636	winver.exe	21
PID 2636 wrote to memory of 1072	2636	winver.exe	18
PID 2636 wrote to memory of 1164	2636	winver.exe	20
PID 2636 wrote to memory of 1188	2636	winver.exe	21
PID 2636 wrote to memory of 1572	2636	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1072

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188
- C:\Users\Admin\AppData\Local\Temp\83f037c0fde3ddf84c309102f5344500N.exe
  "C:\Users\Admin\AppData\Local\Temp\83f037c0fde3ddf84c309102f5344500N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2672
- - 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:2636

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1572

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/1072-24-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1072-11-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1164-14-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/1164-26-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/1188-6-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1188-17-0x0000000002960000-0x0000000002966000-memory.dmp

Filesize
24KB

Download
memory/1188-1-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1188-25-0x0000000002960000-0x0000000002966000-memory.dmp

Filesize
24KB

Download
memory/1572-20-0x0000000001B60000-0x0000000001B66000-memory.dmp

Filesize
24KB

Download
memory/1572-27-0x0000000001B60000-0x0000000001B66000-memory.dmp

Filesize
24KB

Download
memory/2636-23-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2636-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2636-29-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2672-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads