tinba | aec1b9d9a1d0dfb23ce82acd363f6f2652f7bd5d0a5fd31445b550436aacc5c3

General

Target

9a46ea5727981c972b3b6c7ef8f5ed80N.exe
Size

237KB
MD5

9a46ea5727981c972b3b6c7ef8f5ed80
SHA1

5f7c7e1ba85b84a1f213f031b54778c39a122841
SHA256

aec1b9d9a1d0dfb23ce82acd363f6f2652f7bd5d0a5fd31445b550436aacc5c3
SHA512

0f980e93ce404557681f26093c345cd7a0768592a405ce276fd73c9b4d658e32f3200265a01bfdd6be26ccdf87ad11cd0ead074dc224c7de17be0f9bdbf59fab
SSDEEP

6144:MA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:MATuTAnKGwUAWVycQqgj

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\B49AB98D = "C:\\Users\\Admin\\AppData\\Roaming\\B49AB98D\\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	9a46ea5727981c972b3b6c7ef8f5ed80N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 47 IoCs

pid	Process
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2828	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 2828	3068	9a46ea5727981c972b3b6c7ef8f5ed80N.exe	31
PID 3068 wrote to memory of 2828	3068	9a46ea5727981c972b3b6c7ef8f5ed80N.exe	31
PID 3068 wrote to memory of 2828	3068	9a46ea5727981c972b3b6c7ef8f5ed80N.exe	31
PID 3068 wrote to memory of 2828	3068	9a46ea5727981c972b3b6c7ef8f5ed80N.exe	31
PID 3068 wrote to memory of 2828	3068	9a46ea5727981c972b3b6c7ef8f5ed80N.exe	31
PID 2828 wrote to memory of 1188	2828	winver.exe	21
PID 2828 wrote to memory of 1100	2828	winver.exe	19
PID 2828 wrote to memory of 1164	2828	winver.exe	20
PID 2828 wrote to memory of 1188	2828	winver.exe	21
PID 2828 wrote to memory of 1348	2828	winver.exe	25
PID 2828 wrote to memory of 3068	2828	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

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\9a46ea5727981c972b3b6c7ef8f5ed80N.exe
  "C:\Users\Admin\AppData\Local\Temp\9a46ea5727981c972b3b6c7ef8f5ed80N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3068
- - 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:2828

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/1100-26-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1100-9-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1164-12-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1164-28-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1188-15-0x0000000002F30000-0x0000000002F36000-memory.dmp

Filesize
24KB

Download
memory/1188-1-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1188-6-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1188-27-0x0000000002F30000-0x0000000002F36000-memory.dmp

Filesize
24KB

Download
memory/1348-18-0x0000000002320000-0x0000000002326000-memory.dmp

Filesize
24KB

Download
memory/1348-29-0x0000000002320000-0x0000000002326000-memory.dmp

Filesize
24KB

Download
memory/2828-23-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2828-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2828-31-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/3068-25-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads